JP6171669B2 - Tree structure analysis display device, program, and recording medium - Google Patents

Description

  The present invention relates to a tree structure analysis display device, a program, and a recording medium, and more specifically, to realize a tree structure analysis display device that analyzes and displays a tree structure that changes over time, and the tree structure analysis display device. The present invention relates to a program for causing a computer system to function, and a computer-readable recording medium on which the program is recorded.

  In a tree structure (tree structure) which is a kind of data structure having a hierarchical structure, individual data is arranged in a state where a plurality of data located in a lower hierarchy are branched from one data belonging to a certain hierarchy. .

Patent Document 1 discloses an information processing apparatus that analyzes a tree structure between Web pages displayed on a display unit.
Patent Document 2 discloses an alternative content presentation device that analyzes metadata in which user operations and events are defined in advance for each node of a content tree structure describing an operation for each object, and converts the content structure into a tree structure. Is disclosed.

JP 2012-243077 A JP 2009-258824 A

  In recent years, broadcasting media such as satellite digital broadcasting such as BS (Broadcasting Satellite) digital broadcasting and CS (Communication Satellite) digital broadcasting, terrestrial digital broadcasting, CATV (CAble TeleVision), data distribution such as TV (TeleVision) broadcasting using the Internet, etc. In digital media and communication media, digital broadcasting and digital communication using compression coding technology based on MPEG (Moving Picture Experts Group) 2 are performed.

  In the MPEG2 system, which is a compression encoding system using MPEG2, an ES (Elementaly Stream) that is a bit stream of data obtained by compression encoding audio data (audio information) and video data (video information) is generated, and the audio data The ES (audio ES) and the video data ES (video ES) are multiplexed to generate a TS (Transport Stream).

Here, the ES packetized in meaningful units (frame unit for video data and block unit for audio data) is called a PES (Packetized Elementary Stream). The PES includes time data, and video data and audio data can be synchronized using the time data.
Since TS can constitute a plurality of programs in one bit stream, it is standardized assuming application to broadcasting media and communication media.

  One TS is composed of several to several hundred types of TS packets. The TS packet is a fixed-length packet such as 188 bytes or 204 bytes, and its length is considered to be consistent with ATM (Asynchronous Transfer Mode) cell length and applicability when performing error correction coding such as Reed-Solomon code. Has been determined.

  The TS packet includes a 4-byte fixed-length packet header, a variable-length adaptation field (adaptation field), and a payload. There are cases where only one of the adaptation field and the payload is present or both, and the presence or absence is indicated by a flag (adaptation field control) in the packet header.

The packet header includes various packet control data such as PID (Packet IDentification), a synchronization byte, and a continuity index, which are identifiers for identifying the type of TS packet.
The adaptation field includes reference time information (PCR: Program Clock Reference) for achieving synchronization between the transmission side and the reception side, and compression-coded video data or audio data.

The synchronization byte is data indicating the start of a TS packet.
PID is data indicating the content of data included in a TS packet (channel number, which of video data and audio data of that channel is included).
Since the same video data and the same audio data have the same PID, the TS receiving system can return to the original PES using the PID.

A transmission system installed in a broadcasting station (transmitting station), a relay station, a CATV station, or the like is a data string of TS packets by time-division multiplexing TS packets for a plurality of channels generated in this way. Since a TS is generated, a transmission signal is generated by modulating the TS with a predetermined modulation method, and the transmission signal is transmitted to the transmission means, television programs for a plurality of channels can be broadcast simultaneously.
The transmission means for transmitting signals is, for example, a broadcasting satellite in the case of satellite digital broadcasting, an antenna of a transmission / reception device in the case of terrestrial digital broadcasting, a dedicated communication line in the case of CATV, or an ISDN (Integrated Services Digital Network) in the case of the Internet. And public telephone lines including ADSL (Asymmetric Digital Subscriber Line), dedicated communication lines including optical communication lines, and the like.

A receiving system for receiving digital broadcasting or digital communication receives a transmission signal transmitted from a broadcasting station, a relay station, a CATV station, etc., and demodulates the received transmission signal by a predetermined demodulation method. Is generated.
Then, the reception system generates video data and audio data by selecting and decoding TS packets of a channel desired by the viewer from among TS packets for a plurality of channels included in the TS, and these data are converted into television data. Output to a receiver or personal computer for playback.

Applicant (Traffic Sim Co., Ltd.) is a product name “Portable TS Recording Analyzer HACOBE \ Hakobe TSA-1000P TSA as a PID tree structure analysis display device that analyzes and displays the PID tree structure (PID tree) in TS. -1000PQ "(registered trademark) is manufactured and sold.
This “HACOBE \ Hakobe” has already been used in many broadcasting stations, relay stations, and CATV stations, and has contributed greatly to improving the quality of broadcasting.

By the way, in “HACOBE \ Hakobe”, there is a function to analyze and display the PID tree structure at the present time (latest state, current state), but for a predetermined period (a predetermined period retroactive from the present time to a predetermined time point in the past, or It does not have a function of displaying a change in the tree structure of the PID in a time series in a predetermined period going back from a past predetermined time to a predetermined time in the past.
Further, not only the PID tree structure but also various tree structures (see, for example, Patent Documents 1 and 2) have been proposed for analyzing and displaying a tree structure at the present time. There is no technique for displaying changes in the tree structure in chronological order.
It should be noted that displaying the change in the tree structure in time series means, in other words, displaying a history of changes over time of the tree structure.

Therefore, when a problem occurs due to a change in the tree structure over time, it is difficult to determine the causal relationship between the problem and the change in the tree structure over time. It took a lot of time and effort to find out how.
Therefore, various tree structures including a PID tree structure are required not only to analyze and display the current tree structure but also to display changes in the tree structure over a predetermined period in time series.

The present invention has been made to satisfy the above-described requirements, and has the following objects.
(1) Provided is a tree structure analysis / display apparatus capable of not only analyzing and displaying a current tree structure but also displaying changes in the tree structure in a predetermined period in time series.
(2) A program for causing a computer system to function so as to realize the tree structure analysis display device of (1) is provided.
(3) Provided is a computer-readable recording medium on which a program for causing a computer system to function is implemented so as to realize the tree structure analysis display device of (1).

  As a result of intensive studies in order to solve the above-mentioned problems, the present inventors have arrived at each aspect of the present invention as follows.

<First aspect>
The first aspect is an analysis means for analyzing the content of a change in a tree structure that changes over time;
Recording means for recording and storing a history including the content of the change in the tree structure analyzed by the analysis means and the timing at which the change occurred;
Designation means for designating and reading out the history for a predetermined period from the history recorded and stored in the recording means;
A tree structure analysis display device comprising: display means for visually displaying the history of the predetermined period read from the recording means in time series.

Therefore, according to the first aspect, not only the current tree structure is analyzed and displayed, but also the history for a predetermined period (history including the content of the change in the tree structure and the timing at which the change occurred). It can be visually displayed in time series on the display means.
Therefore, the user of the tree structure analysis display device can easily grasp and recognize the history for a predetermined period.
As a result, when a problem occurs due to a change in the tree structure over time, the user can determine the causal relationship between the problem and the change in the tree structure over time. It is easy to quickly investigate the cause and solution of the problem.

<Second aspect>
The second aspect is the first aspect,
The analysis means analyzes data associated with the content of the tree structure change,
The recording means records and stores the data analyzed by the analyzing means and the timing at which the data is generated,
The designation means designates and reads the data of the predetermined period from the data recorded and stored in the recording means,
The display means visually displays the data of the predetermined period read from the recording means in time series in a state corresponding to the history of the predetermined period.

Therefore, according to the second aspect, the display means in a state in which the data for a predetermined period (data linked to the content of the change in the tree structure over time) is associated with the history for the predetermined period. Can be displayed visually in chronological order.
Therefore, the user of the tree structure analysis display device can surely grasp and easily recognize the data for a predetermined period, and in addition, can also grasp the correspondence between the data for the predetermined period and the history. Easy to recognize.
As a result, when a problem occurs due to a change with time of the data, the user can determine a causal relationship between the problem and a change with time of the tree structure. It is easy to quickly investigate the cause and solution of the problem.

<Third aspect>
The third aspect is the first aspect,
The display means includes a display screen,
The display screen includes
A tree structure display area for displaying the tree structure;
A history display area for displaying the history of the predetermined period;
A time scale display area for displaying a time scale of the history display area is set.

<Fourth aspect>
The fourth aspect is the second aspect,
The display means includes a display screen,
The display screen includes
A tree structure display area for displaying the tree structure;
A history display area for displaying the history of the predetermined period;
A data display area for displaying the data of the predetermined period;
A time scale display area for displaying a time scale common to the history display area and the data display area is set.

  Therefore, according to the third aspect or the fourth aspect, the user of the tree structure analysis display apparatus can grasp and easily recognize the display contents of each display area with a glance at the display screen.

<5th aspect>
The fifth aspect is the first to fourth aspects,
The predetermined period is a period retroactive from the present time to a predetermined time in the past, or a period retroactive from a predetermined time in the past to a predetermined time in the past.

  Therefore, according to the fifth aspect, the user of the tree structure analysis display device can freely specify the predetermined period by the specifying means based on the history or the data recorded and stored in the recording medium. The said effect | action and effect in a 1st-4th aspect can be obtained reliably.

<6th to 11th aspects>
In a sixth aspect, in the first to fifth aspects, the tree structure is a PID tree structure in an MPEG2 TS.
In a seventh aspect, in the first to fifth aspects, the tree structure is an EPG tree structure in an MPEG2 TS.
In an eighth aspect based on the first to fifth aspects, the tree structure is a tree structure of a business organization.
According to a ninth aspect, in the first to fifth aspects, the tree structure is a tree structure of an operation management system related to a transmission line for broadcast communication.
In a tenth aspect based on the first to fifth aspects, the tree structure is a tree structure of an Internet network.
In an eleventh aspect based on the first to fifth aspects, the tree structure is a functional programming tree structure.

<Twelfth and thirteenth aspects>
A twelfth aspect is a program for causing a computer system to function as each means in the tree structure analysis display apparatus according to the first to eleventh aspects.
A thirteenth aspect is a computer-readable recording medium on which a program for causing a computer system to function as each of the means in the tree structure analysis display apparatus of the first to eleventh aspects is recorded.

According to the 12th aspect, the program for functioning a computer system can be provided so that the tree structure analysis display apparatus of the 1st-11th aspect may be implement | achieved.
According to the thirteenth aspect, it is possible to provide a computer-readable recording medium on which the program of the twelfth aspect is recorded.

The block diagram which shows schematic structure of the tree structure analysis display apparatus 10 and 50 of 1st, 2nd embodiment which actualized this invention. The front view which shows the 1st display example of the tree structure of PID displayed on the display screen 41 of the display apparatus 40 in 1st Embodiment. The front view which shows the 2nd display example of the tree structure of PID displayed on the display screen 41 in 1st Embodiment. The front view which shows the 1st display example of the tree structure of EPG displayed on the display screen 41 in 2nd Embodiment. The front view which shows the 2nd display example of the tree structure of EPG displayed on the display screen 41 in 2nd Embodiment. The block diagram which shows schematic structure of the tree structure analysis display apparatus 60,70,80,90 of 3rd-6th embodiment which actualized this invention. The front view which shows the example of a display of the tree structure of the corporate organization displayed on the display screen 41 in 3rd Embodiment. The front view which shows the example of a display of the tree structure of the operation management system of the transmission line concerning TS displayed on the display screen 41 in 4th Embodiment. The front view which shows the example of a display of the tree structure of the network of the internet displayed on the display screen 41 in 5th Embodiment. The front view which shows the example of a display of the tree structure of the functional programming displayed on the display screen 41 in 6th Embodiment.

  Hereinafter, embodiments embodying the present invention will be described with reference to the drawings. In each embodiment, the same constituent members and constituent elements are denoted by the same reference numerals, and redundant description of the same contents is omitted.

<First Embodiment>
FIG. 1 is a block diagram showing a schematic configuration of a tree structure analysis display apparatus 10 of the first embodiment.
The tree structure analysis display device 10 includes a computer main body 20, an input device 30, a display device 40, and the like, and includes a wired line (CATV, TV broadcast using the Internet, etc.) and a wireless line (satellite digital broadcast, terrestrial digital broadcast). Or the like).

The computer main body 20 includes a central processing unit (CPU) 21, a read only memory (ROM) 22, a random access memory (RAM) 23, an input / output device (I / O) 24, a hard disk drive (HDD) 25, and the like. It is constituted by a known microcomputer system.
The tree structure analysis / display apparatus 10 loads the computer program of software stored (recorded) in the ROM 22 or the HDD 25 to the CPU 21 and performs various operations according to the computer program, thereby performing operations described later.

  By the way, the computer program is recorded (stored) in a backup RAM (not shown) built in the computer main body 20 or an external recording device (external storage device) (not shown) provided with a computer-readable recording medium instead of the ROM 22 or the HDD 25. In addition, the computer program may be loaded into the CPU 21 from the backup RAM or an external recording device and used as necessary.

Incidentally, computer-readable recording media include, for example, semiconductor memory (USB memory, SD memory card, etc.), HD (Hard Disk), optical disk (CD-ROM, DVD, etc.), magneto-optical disk (MO, etc.), There are phase change disk, magnetic disk, magnetic tape and so on. The names of specific examples of the recording medium include registered trademarks.
Further, the tree structure analysis display device 10 may be connected to an Internet line (not shown), and the computer program may be loaded from the Internet line to the CPU 21 and used as necessary.

The input device 30 is composed of, for example, a keyboard, a pointing device, and the like, converts an instruction command from a user of the tree structure analysis display device 10 into a data signal, and converts the data signal to the input / output device 24 of the computer main body 20. To the CPU 21.
The display device 40 includes various types of displays such as an LCD (Liquid Crystal Display) and a CRT (Cathode Ray Tube), and displays the processing results of the CPU 21 transferred via the input device 30 of the computer main body 20. Displayed on a screen (monitor screen) 41 to notify the user.

The tree structure analysis / display apparatus 10 receives a TS (broadcast TS) transmitted from the broadcast line BC.
The computer main body 20 shapes the received TS into an analyzable form, and then analyzes the content of the change in the PID tree structure in the TS.
Further, the computer main body 20 analyzes data (error occurrence rate in the TS) associated with the content of the change with time of the PID tree structure based on the received TS.
Here, the PID tree structure in the TS changes depending on factors on the side of the TS transmission facility (broadcast station, relay station, CATV station, broadcast line BC) regardless of the tree structure analysis display apparatus 10.

Then, the computer main body 20 records and saves in the HDD 25 a history including the analysis result of the content of the change in the PID tree structure in the TS and the timing (the year, month, day, hour, minute, second) of the change in the PID tree structure. To accumulate.
In addition, the computer main body 20 analyzes the analysis result of data (error occurrence rate in TS) associated with the content of the change of the PID tree structure over time, and the timing at which the data was generated (year, month, day, hour, minute, second) Are recorded and stored in the HDD 25 and accumulated.

Thereafter, the computer main body 20 reads the history and the data for a predetermined period from the history and the data recorded and stored in the HDD 25 in accordance with the user's designation using the input device 30.
Subsequently, the computer main body 20 visually displays the data for a predetermined period read from the HDD 25 in time series on the display screen 41 of the display device 40 in a state corresponding to the history for the predetermined period. Let

FIG. 2 shows a first display example of the PID tree structure displayed on the display screen 41.
In the display screen 41, display areas 41a to 41d are set.
The tree structure display area 41a displays a PID tree structure.
The history display area 41b displays the history for a predetermined period (history including the analysis result of the change in the PID tree structure in the TS and the timing when the change in the PID tree structure occurs).
The data display area 41c displays the data for a predetermined period (data associated with the content of change with time in the PID tree structure: error occurrence rate in TS).
The time scale display area 41d displays a time scale common to the display areas 41b and 41c.
Here, on the display screen 41, the display area 41a is displayed on the left side, the display area 41b is displayed on the right side, the display area 41c is displayed on the upper side of the display area 41b, and the display area 41d is displayed on the lower side. Yes.

In the first display example shown in FIG. 2, the display area 41a displays three services (service IDs: 0x0001, 0x0002, 0x0003) that branch as a lower layer for one TS (TSID: 0x0001). Yes.
In the display area 41a, PIDs of PMT (Program Map Table), VIDEO, and AUDIO branching as lower layers are displayed for each of the three services.
For example, for service ID: 0x0001, PMT: PID: 0x8000, VIDEO: PID: 0x0100, AUDIO: PID: 0x0200 are displayed.
Note that these data (TSID, service ID, PMT, VIDEO, AUDIO PID) are arranged vertically from the top to the bottom of the display area 41a, and the branching state in the tree structure can be discriminated at a glance. Is displayed.

Here, the tree structure of the PID is defined by packets indicating the tree structure such as NIT (Network Information Table), PAT (Program Association Table), and PMT (Program Map Table) in the TS.
The TS includes program specific information (PSI), and the PSI has five types of tables (NIT, PMT, PAT, CAT (Condition Access Table), and TSDT (Transport Stream Description Table)).
Therefore, based on NIT and PAT, a TV service (organization channel: service) that is a continuation of a broadcast program organized by a broadcaster is analyzed.
Then, by analyzing the service, the PID of the PMT, the PID of VIDEO (image data), and the PID of AUDIO (audio data) that are branched as lower layers of the service are analyzed.
The TSID is an identifier (ID: IDentification) assigned to each TS.
The service ID is an identifier (ID) assigned for each service.

  By the way, the concrete analysis method of the PID tree structure in TS is executed based on the standard established by the Association of Radio Industries and Businesses (ARIB). Therefore, detailed description is omitted.

In the first display example shown in FIG. 2, the current display date and time (July 1, 2013 (Monday) 17:36) is displayed in the display area 41d, and from that time, a predetermined period (17:00) is displayed. A time axis of 36 minutes 0 seconds to 21 seconds (21 seconds) is displayed every predetermined time unit (every second).
That is, the current time (current time) in the first display example shown in FIG. 2 is 17:36:21.
In addition, in the display area 41b, the content of the change in the tree structure of the PID displayed in the display area 41a is displayed in time series according to the time axis displayed in the display area 41d.

That is, in the first display example shown in FIG. 2, the broadcast of the service ID: 0x0003 is stopped at 17:36:10, and the data of the lower layer of the service ID: 0x0003 after 17:36:10 ( PMT: PID: 0x8002, VIDEO: PID: 0x0102, AUDIO: PID: 0x0202) no longer exist.
Therefore, in the display area 41b, for the service ID: 0x0003 after 17:36:10 and the area α1 indicating the data in the lower hierarchy, hatching indicating that there is invalid data is displayed, and the area The letters “broadcast stop” are displayed in α1.
Further, for a service other than service ID: 0x0003 (service ID: 0x0001, service ID: 0x0002) and its lower layer data, an area β1 indicating a time axis of 1 second from 17:36:10 to 11 seconds is: The area α1 is displayed with a different type of hatching.

  Therefore, the user of the tree structure analysis / display apparatus 10 only sees the display screen 41, and the service ID of the PID tree structure in the TS of TSID: 0x0001 is 17:36:10 on Monday, July 1, 2013 (Monday). : Easily recognize that 0x0003 service has been suspended.

The hatched display in the region β1 is for clarifying the time (change timing) when the PID tree structure changes.
In the first display example shown in FIG. 2, the areas α1 and β1 are hatched. However, as long as the areas α1 and β1 can be clearly distinguished, any display method (for example, color display, grayscale display, Screen tone display etc.) may be used.
In the first display example shown in FIG. 2, the characters “broadcast stop” are displayed in the area α1, but if the user can recognize that the broadcast of the service ID: 0x0003 has been stopped, the display screen 41 Characters may be displayed at any location.

In the first display example shown in FIG. 2, the error occurrence rate in the TS of TSID: 0x0001 is displayed as a line graph in the area 41c as data associated with the content of the change of the PID tree structure over time. ing.
In the first display example shown in FIG. 2, the error occurrence rate increases rapidly from the time when the service with the service ID: 0x0003 is suspended, but after a few seconds, it decreases and returns to the original state.

  Therefore, the user of the tree structure analysis display apparatus 10 can easily recognize the change of the error occurrence rate with the lapse of time in the TS of TSID: 0x0001 only by looking at the display screen 41, and the tree structure of the error occurrence rate and the PID. You can easily recognize the relationship with changes.

  Regarding TS errors, the applicant has previously filed multiple applications (Japanese Patent Application Nos. 2004-183887, 2005-329943, 2007-127721, 2008-292497). And Japanese Patent Application No. 2010-204147), and since it is a known technique, detailed description thereof is omitted.

FIG. 3 shows a second display example of the tree structure of the PID displayed on the display screen 41.
The second display example shown in FIG. 3 differs from the first display example shown in FIG. 2 only in the time scale of the display area 41d and the display contents of the display areas 41b and 41c corresponding to the time scale. The tree structure of the PID in the TS displayed in the area 41a is the same.
In the second display example shown in FIG. 3, the display area 41d displays the current calendar month date and time (Monday, July 1, 2013, 17:00) and a predetermined period from that time (17:30 to A time axis of 21 minutes / 51 minutes is displayed every predetermined time unit (every minute).
That is, the current time in the second display example shown in FIG. 3 is 17:51.

In the display area 41b, for the area α2 indicating the service ID: 0x0003 after 17:36 and the data in the lower layer, hatching indicating that there is invalid data is displayed, and in the area α2 Is displayed with the word “broadcast stop”.
Further, for services other than service ID: 0x0003 (service ID: 0x0001, service ID: 0x0002) and its lower layer data, a region β2 indicating a time axis from 17:36 to 1/37 minutes is represented by region α2. It is displayed with a different type of hatching.
It should be noted that the hatched display of the region β2 is for clarifying when the PID tree structure has changed.

Therefore, the user of the tree structure analysis / display apparatus 10 simply looks at the display screen 41, and regarding the PID tree structure in the TS of TSID: 0x0001, the service ID: 0x0003 at 17:36 on Monday, July 1, 2013. Can easily recognize that the service has been suspended.
That is, the first display example shown in FIG. 2 has the predetermined time unit as the second unit, and the second display example shown in FIG. 3 has the predetermined time unit as the minute unit.

  The computer main body 20 of the tree structure analysis / display apparatus 10 includes the history and data displayed on the display screen 41 according to a predetermined period (time width) of the display area 41d set by the user using the input device 30, and the predetermined The history and the data of a previous fixed period necessary for displaying the period are read from the HDD 25 and displayed on the display screen 41 as in the display example.

Here, the previous fixed period required for displaying the predetermined period depends on the content of the change of the PID tree structure over time, and when the PID tree structure changes frequently, the predetermined period is lengthened. When the PID tree structure does not change very frequently, the predetermined period is set to be the same as the predetermined period displayed in the display area 41b.
In the first display example shown in FIG. 2, the PID tree structure does not change very frequently, so the history and data for the predetermined period (21 seconds from 17: 36: 0 to 21 seconds), and the predetermined The history and data for 21 seconds (17:35:39 to 17: 36: 0) are read from the HDD 25 as a previous fixed period necessary for displaying the period.
Also in the second display example shown in FIG. 3, since the PID tree structure does not change very often, the history and data for the predetermined period (17:36 to 21/51) and the predetermined The history and the data for 21 minutes (17:15 to 17:36) are read from the HDD 25 as a predetermined period required for displaying the period.

By the way, when the user uses the input device 30 and designates that the current PID tree structure is to be displayed on the display device 40 (in the case of “Live display” designation), the display area is displayed every predetermined time unit as time elapses. 41b-41c scrolls to the left, and the right end of the display areas 41b-41c always displays the current time (latest state, current state).
In the first display example shown in FIG. 2, when the current time reaches 17:36:22 after 1 second has elapsed from 17:36:21, the predetermined period displayed in the display area 41 d is 17: 36: 1. From 21 seconds to 22 seconds, the display contents of the display areas 41b and 41c change corresponding to the predetermined period. That is, in the first display example shown in FIG. 2, the display areas 41 b to 41 c scroll leftward every second which is a time unit.
In the second display example shown in FIG. 3, when the current time has elapsed from 17:51 to 17:52, the predetermined period displayed in the display area 41 d is 17:31 to 52 seconds. 21 minutes, and the display contents of the display areas 41b and 41c change corresponding to the predetermined period. That is, in the second display example shown in FIG. 3, the display areas 41 b to 41 c scroll leftward every minute which is a time unit.

Furthermore, the time scale of the display area 41d is not limited to the current time, and a time axis of an arbitrary predetermined period (time width) from a desired time in the past can be displayed for each arbitrary time unit.
Thus, the time scale (time width, time unit) of the display area 41 d can be set to a desired state by the user using the input device 30.

By the way, in the product name “Portable TS Recording Analyzer HACOBE \ Hakobe TSA-1000P TSA-1000PQ” (registered trademark) which is a PID tree structure analysis display device manufactured and sold by the present applicant, the function of displaying the display area 41a is Although there is, there is no function to display the display areas 41b to 41c.
That is, although it has been possible to display the PID tree structure at the present time (latest state, current state) as a snapshot, changes in the PID tree structure in a predetermined period cannot be displayed in time series. It was.
Therefore, for example, if the current time is 17:36:11 on or after July 1, 2013 (Monday), the data of the lower layer of the service ID: 0x0003 does not exist, so the lower layer The fact that the data existed in the past cannot be notified to the user of the PID tree structure analysis display device.

  In the display area 41a, when the service ID that is currently suspended is hatched, the user can be notified that the service with service ID 0x0003 has existed in the past. It is not possible to notify the time of suspension, and the change in the PID tree structure in a predetermined period cannot be displayed in time series.

[Operations and effects of the first embodiment]
According to the tree structure analysis display device 10 of the first embodiment, the following actions and effects can be obtained.

  [1-1] The tree structure analysis / display apparatus 10 not only analyzes and displays the current PID tree structure but also displays the history (contents of changes in the PID tree structure and its changes) for a predetermined period. (History including timing) can be visually displayed in time series on the display screen 41 of the display device 40.

Therefore, the user of the tree structure analysis display device 10 can easily recognize and recognize the history of the predetermined period by simply looking at the display screen 41.
As a result, when a problem occurs due to a change in the tree structure over time, the user can determine the causal relationship between the problem and the change in the tree structure over time. It is easy to quickly investigate the cause and solution of the problem.

  [1-2] In the tree structure analysis display device 10, the data for a predetermined period (data associated with the content of the change with time of the PID tree structure: error occurrence rate in TS) It can be visually displayed in time series on the display screen 41 in a state corresponding to the history.

Therefore, the user can surely grasp and easily recognize the data for a predetermined period simply by looking at the display screen 41, and also reliably grasp the correspondence between the data for the predetermined period and the history. And can be easily recognized.
As a result, when a problem occurs due to a change with time of the data, the user can determine a causal relationship between the problem and a change with time of the tree structure. It is easy to quickly investigate the cause and solution of the problem.

  In the first embodiment, the error occurrence rate in the TS is displayed, but the data associated with the content of the change with the passage of time of the PID tree structure (the change of the change with the passage of time of the PID tree structure). Any data (for example, audience rating data) may be used.

[1-3] The display screen 41 of the display device 40 displays a tree structure display area 41a for displaying a PID tree structure, a history display area 41b for displaying the history for a predetermined period, and the data for a predetermined period. A data display area 41c to be displayed and a time scale display area 41d to display a time scale common to the display areas 41b and 41c are set.
Therefore, the user can grasp the display contents of the display areas 41a to 41d with certainty and easily recognize the display contents only by looking at the display screen 41.

[1-4] The predetermined period is a period retroactive from the present time to a predetermined time in the past, or a period retroactive from a predetermined time in the past to a predetermined time in the past.
Since the user can freely specify the predetermined period using the input device 30 based on the history and the data recorded and stored in the HDD 25, the operations [1-1] to [1-3] are performed.・ Effects can be obtained with certainty.

Second Embodiment
The configuration of the tree structure analysis display device 50 of the second embodiment is the same as that of the tree structure analysis display device 10 of the first embodiment shown in FIG.
The tree structure analysis display device 50 of the second embodiment differs from the tree structure analysis display device 10 of the first embodiment in the following points.

[2-a] The computer main body 20 of the tree structure analysis / display apparatus 50 shapes the received TS into an analyzable form, and then changes the tree structure of an electronic program guide (EPG) in the TS. Is analyzed.
Here, the tree structure of the EPG in the TS changes depending on the factor on the TS transmission facility side regardless of the tree structure analysis display device 50.

  [2-b] Based on the received TS, the computer main body 20 analyzes data (error occurrence rate in the TS) associated with the content of the change of the EPG tree structure over time.

[2-c] The computer main body 20 stores, in the HDD 25, a history including the analysis result of the change contents of the EPG tree structure in the TS and the timing (year, month, day, hour, minute, second) of the change of the EPG tree structure. Record and save.
In addition, the computer main body 20 analyzes the analysis result of data (error occurrence rate in TS) associated with the content of the change of the EPG tree structure over time, and the timing at which the data was generated (year, month, day, hour, minute, second) Are recorded and stored in the HDD 25 and accumulated.

FIG. 4 shows a first display example of the tree structure of the EPG displayed on the display screen 41.
In the display screen 41, a tree structure display area 41a for displaying an EPG tree structure and display areas 41b to 41d are set.

In the first display example shown in FIG. 4, the display area 41a displays p information, f information, and a schedule branching as a lower hierarchy for one service (service ID: 0x0001).
In the display area 41a, data on the current day, the next day, the second day, and the third day after the branching are displayed in the display area 41a.
In addition, the display area 41a includes eight time zones (00:00 to 03) that are divided every three hours for one day from midnight (00:00) to 12:00 pm (24:00). : 00, 03:00 to 06:00, 06:00 to 09: 00 ………) are displayed as lower layers.
In addition, the data of section number 0x00 is displayed as the lower hierarchy for the time zone “00:00 to 03:00”, and the data of section numbers 0x08 and 0x09 is the lower hierarchy for the time zone “03:00 to 06:00”. It is displayed as.

These data (service ID, p information, f information, schedule, current day, 00:00 to 03:00 ........., next day, two days later, three days later) are displayed downward from the upper side of the display area 41a. It is arranged in a vertical direction so that the state of branching in the tree structure can be discriminated at a glance.
By the way, as for the data for 6 days from the next day to 7 days later, as in the day, there are 8 time zones that divide 1 day from midnight to 12:00 every 3 hours as a lower hierarchy. However, in the first display example, only the data for the current day is displayed on the display screen 41 by the setting using the input device 30 by the user.

Here, the TS includes an EIT (Event Information Table).
The EPG tree structure is defined by p information (current program information), f information (next program information), and a schedule (EIT schdule) included in the EIT. The schedule is program information from the present time to one week ahead.
A section is a syntax structure used for mapping program arrangement information (SI: Service Information) to a TS packet, and a section number is a section number.

In addition, in each of the current day to the seventh day, the section number branching as a lower hierarchy is defined for every eight time zones, and the number of section numbers varies depending on the amount of program information included in the time zone. The tree structure changes.
That is, only one section number 0x00 is assigned in the time zone “00:00 to 03:00”. In addition, since the amount of program information is larger in the time zone “03:00 to 06:00” than in the time zone “00:00 to 03:00”, two section numbers 0x08 and 0x09 are assigned. .
Here, the program information is mainly composed of information such as a program name, a program start time, and a program broadcast time length.

  Incidentally, the specific analysis method of the tree structure of EPG in TS is executed based on the standard established by the Radio Industries and Businesses Association, and is a well-known technique, so detailed description is omitted.

In the first display example shown in FIG. 4, the display area 41d displays the current calendar month date and time (July 1, 2013 (Monday) 00:00) and a predetermined period (0:00) from that hour and minute. A time axis of 0 minutes 0 seconds to 16 seconds (16 seconds) is displayed for each predetermined time unit (every second).
That is, the current time in the first display example shown in FIG. 4 is 0: 0: 16.
In the display area 41b, changes in the tree structure of the EPG displayed in the display area 41a are displayed in time series according to the time axis displayed in the display area 41d.

In other words, in the first display example shown in FIG. 4, the transmission of the section number 0x09 is stopped at 0: 0: 9, and the section number 0x09 after 0: 0: 9 no longer exists.
Accordingly, in the display area 41b, for the area α3 indicating the section number 0x09 after 0: 0: 9, hatching indicating that there is invalid data is displayed, and “transmission stop” is indicated in the area α3. Characters are displayed.
For data other than the section number 0x09, a region β3 indicating a time axis of 1 second from 0 hours 0 minutes 9 seconds to 10 seconds is displayed by hatching of a different type from the region α3.
It should be noted that the hatched display of the region β3 is for clarifying when the tree structure of the EPG has changed.

In the first display example shown in FIG. 4, the program name in the transmission time “3:00 to 3:30” of the section number 0x08 is changed.
Therefore, in the display area 41b, on the right side of the section number 0x08, the program name “My ...” before the change and the transmission time “3: 00-3: 30” are displayed, and further on the right side after the change. The program name “Japan…” and the transmission time “3: 00-3: 30” are displayed.
In the display area 41b, on the right side of the section number 0x09, the program name “Nohara ...” and the transmission time “5:00 to 5:30” before transmission stop are displayed.
Here, a part of the program name displayed in the display area 41b is omitted to make it easy to fit in the display area 41b. For example, the program name "My hobby time" is displayed as "My ...". Yes.

Note that the program information for the current day is changed at a single timing within a few minutes from midnight, and an EIT for updating the program information for all the time zones of the current day is transmitted at that timing.
That is, in the first display example shown in FIG. 4, an EIT for updating program information in all time zones of the day is sent out at 0: 0: 9.
However, if the program information is changed for some reason (for example, sudden news generation, end or extension of a live broadcast such as a baseball broadcast, etc.), an EIT for updating the program information is sent out at any time. .

In the first display example shown in FIG. 4, the error occurrence rate is displayed as a line graph in the display area 41c as data associated with the content of the change of the EPG tree structure over time.
In the first display example shown in FIG. 4, the error occurrence rate increases rapidly from the time when EIT for updating the program information in all time zones of the day is sent out at 0: 0: 9. After a few seconds, it decreases and returns to its original state.
Therefore, the user of the tree structure analysis display device 50 can easily recognize the change of the error occurrence rate with the lapse of time only by looking at the display screen 41, and the relationship between the error occurrence rate and the change of the tree structure of the EPG. Can also be easily recognized.

FIG. 5 shows a second display example of the tree structure of the EPG displayed on the display screen 41.
The second display example shown in FIG. 5 is different from the first display example shown in FIG. 4 only in that a pop-up 41e is displayed in the display area 41b.
When the mouse cursor (mouse pointer) M is moved to the right side of the section number 0x09 in the display area 41b, the pop-up 41e is displayed on the mouse.
Note that the pop-up 41e may be displayed by a click action instead of the on-mouse display.

  The pop-up 41e displays the program name and its transmission time that cannot be displayed in the display area 41b for the time zone “05:00 to 06:00”, and the program name “Nohara…” and its transmission time “5”. : 00-5: 30 ”, program name“ Hobby… ”and its transmission time“ 5: 30-5: 50 ”, program name“ Weather… ”and its transmission time“ 5: 50-5: 55 ”, program name “Today…” and its transmission time “5: 55-6: 00” are displayed.

[Operation and Effect of Second Embodiment]
According to the tree structure analysis display device 50 of the second embodiment, in addition to the same operations and effects as [1-3] and [1-4] of the first embodiment, the following operations and effects can be obtained. it can.

[2-1] The tree structure analysis / display apparatus 50 not only analyzes and displays the tree structure of the EPG at the present time, but also the history of the predetermined period (contents of changes in the tree structure of the EPG and the changes have occurred). (History including timing) can be visually displayed in time series on the display screen 41 of the display device 40.
Therefore, also in 2nd Embodiment, the effect | action and effect similar to said [1-1] of 1st Embodiment are acquired.

  By the way, regarding the EPG tree structure in the TS, a technique for analyzing the tree structure at the present time and displaying the analysis result as a snapshot has been proposed in the past, but the change in the tree structure in a predetermined period is displayed in time series. There is no technology.

[2-2] In the tree structure analysis display device 50, the data for a predetermined period (data associated with the content of the change in the EPG tree structure over time: the error occurrence rate in the TS) is converted into the data for the predetermined period. It can be visually displayed in time series on the display screen 41 in a state corresponding to the history.
Therefore, also in 2nd Embodiment, the effect | action and effect similar to said [2-1] of 1st Embodiment are acquired.

  In the second embodiment, the error occurrence rate in the TS is displayed. However, the data associated with the content of the change in the EPG tree structure over time (the change in the EPG tree structure over time). Any data (for example, audience rating data) may be used.

<Third Embodiment>
FIG. 6 is a block diagram illustrating a schematic configuration of the tree structure analysis display device 60 of the third embodiment.
The tree structure analysis display device 60 of the third embodiment differs from the tree structure analysis display device 10 of the first embodiment in the following points.

[3-a] The computer main body 20 of the tree structure analysis display device 60 analyzes the content of the change in the tree structure of the business organization based on the personnel information of the business organization input by the user using the input device 30.
Here, the tree structure of the corporate organization changes depending on factors on the corporate side regardless of the tree structure analysis display device 60.

[3-b] The computer main body 20 analyzes data (sales) associated with the contents of the change of the tree structure of the business organization input by the user using the input device 30 over time.
In addition, when a user inputs personnel information of a corporate organization and the associated data using the input device 30, a file format such as CSV (Comma Separated Values) may be used.

[3-c] The computer main body 20 records and saves in the HDD 25 a history including the analysis result of the content of the change in the tree structure of the business organization and the timing (year of the year) when the change in the tree structure of the business organization occurs. To accumulate.
Further, the computer main body 20 stores the analysis result of the data (sales amount) linked to the content of the change of the tree structure of the business organization with the passage of time and the timing (year) of the occurrence of the data in the HDD 25. Record and save.

FIG. 7 shows a display example of the tree structure of the corporate organization displayed on the display screen 41.
In the display screen 41, a tree structure display area 41a for displaying a tree structure of a corporate organization and display areas 41b to 41d are set.

In the display example shown in FIG. 7, the display area 41 a displays departments (planning department, sales department, development department) branching as a lower hierarchy of the corporate organization for the applicant (Traffic Sim Co., Ltd.). The name of the employee belonging to each department is displayed.
For example, three employees, Mr. A, Mr. B, and Mr. C, belong to the planning department.
These data (names of departments and affiliated employees) are arranged in the vertical direction from the top to the bottom of the display area 41a, and are displayed so that the state of branching in the tree structure can be distinguished at a glance. .

In the display example shown in FIG. 7, the display area 41d displays the time axis for a predetermined period (21 months from September 2011 to May 2013) for each predetermined time unit (every month). The current date is May 2013.
In the display area 41b, changes in the tree structure of the business organization displayed in the display area 41a are displayed in time series according to the time axis displayed in the display area 41d.

That is, in the display example shown in FIG. 7, Mr. A, who belonged to the Planning Department at least from September 2011 to May 2012, changed the personnel to the Sales Department in June 2012, and as of May 2013 It continues to be assigned to the sales department.
Therefore, in the display area 41b, for the area α4 indicating Mr. A in the planning department after June 2012, hatching indicating that there is invalid data is displayed, and in the area α4, “personnel to the sales department” is displayed. "Change" is displayed.
In addition, in the area α5 indicating Mr. A in the sales department before May 2012, hatching indicating that there is invalid data is displayed, and the character “transfer personnel to sales department” is displayed on the right side of the area α5. Has been.
For employees other than Mr. A, the region β4 indicating the time axis for one month in June 2012 is displayed in a different type of hatching from the regions α4 and α5.

Therefore, the user of the tree structure analysis display device 60 can easily recognize that Mr. A has been transferred from the planning department to the sales department in June 2012 with respect to the tree structure of the corporate organization only by looking at the display screen 41.
It should be noted that the hatched display of the region β4 is for clarifying when the tree structure of the business organization has changed.

Further, in the display example shown in FIG. 7, the sales amount is displayed as a line graph in the display area 41 c as data associated with the contents of the change in the tree structure of the business organization over time.
In the display example shown in FIG. 7, the sales amount has rapidly increased from the time when Mr. A moved from the planning department to the sales department and has reached the present time.
Therefore, the user of the tree structure analysis display device 60 can easily recognize the change of the sales with the passage of time only by looking at the display screen 41, and can easily recognize the relationship between the sales and the change of the corporate organization. it can.

[Operation and Effect of Third Embodiment]
According to the tree structure analysis display device 60 of the third embodiment, in addition to the same operations and effects as the [1-3] and [1-4] of the first embodiment, the following operations and effects can be obtained. it can.

[3-1] The tree structure analysis / display apparatus 60 not only analyzes and displays the current tree structure of the business organization, but also displays the history of the predetermined period (contents of the change in the business organization's tree structure and its change). The history including the timing of occurrence) can be visually displayed in time series on the display screen 41 of the display device 40.
Therefore, also in 3rd Embodiment, the effect | action and effect similar to said [1-1] of 1st Embodiment are acquired.

  By the way, with regard to the tree structure of a corporate organization, a technique for analyzing the current tree structure and displaying the analysis result as a snapshot has been proposed, but a technique for displaying changes in the tree structure over a predetermined period in time series. Does not exist.

[3-2] In the tree structure analysis display device 60, the data for a predetermined period (data linked to the content of the change of the tree structure of the business organization with the passage of time: sales amount) is used as the history for the predetermined period. In a corresponding state, it can be visually displayed in time series on the display screen 41.
Therefore, also in the third embodiment, the same actions and effects as in [2-1] of the first embodiment can be obtained.

  In the third embodiment, the sales amount is displayed, but the data associated with the content of the change in the tree structure of the corporate organization over time (the content of the change in the tree structure of the corporate organization over time) Any data (eg, operating profit, stock price, etc.).

<Fourth embodiment>
The configuration of the tree structure analysis display device 70 of the fourth embodiment is the same as that of the tree structure analysis display device 60 of the third embodiment shown in FIG.
The tree structure analysis display device 70 of the fourth embodiment differs from the tree structure analysis display device 60 of the third embodiment in the following points.

[4-a] Regarding the operation management system related to the transmission line (TS transmission line) of broadcast communication, the computer main body 20 of the tree structure analysis display device 70 is configured by the user using the input device 30. Based on this, the contents of the change in the tree structure of the operation management system are analyzed.
Here, the tree structure of the operation management system changes depending on factors on the side of the transmission line for broadcast communication and the transmission equipment, regardless of the tree structure analysis display device 70.

[4-b] The computer main body 20 analyzes data (communication bandwidth) associated with the content of the change with time of the tree structure of the operation management system input by the user using the input device 30.
When the user inputs the configuration of the operation management system and the associated data using the input device 30, a file format such as CSV may be used.

Further, the configuration of the operation management system may be automatically changed using a specific communication protocol or ping (packet interNet groper) instead of being input by the user using the input device 30.
Here, when a specific communication protocol is used, there are a method using SNMP (Simple Network Management Protocol), a method in which a communication protocol is defined in advance for each monitoring system, and the like.
Further, when using ping, a network segment may be divided for each monitoring system, and the configuration of the monitoring system may be automatically determined from the address of the network segment based on a ping response.

[4-c] The computer main body 20 records in the HDD 25 a history including the analysis result of the content of the change in the tree structure of the operation management system and the timing (year of the year) when the change in the tree structure of the operation management system occurs. Save and accumulate.
In addition, the computer main body 20 indicates the analysis result of data (communication bandwidth) associated with the content of the change over time of the tree structure of the operation management system and the timing (year of the year) when the data is generated. Record and store in

By the way, in digital broadcasting and digital communication by MPEG2, it is necessary to monitor the occurrence status (occurrence state) of a plurality of types of errors for individual TS packets generated by the transmission system or the reception system.
This is because, in order to realize normal broadcasting and communication, it is necessary to investigate the cause of the error based on the TS error occurrence state and take preventive measures so that the error does not occur from the next time.

  Incidentally, the causes of TS errors include, for example, malfunctions of various devices constituting the transmission system or reception system, malfunctions of power supplied to the various apparatuses, imperfect scheduling of television programs, malfunctions in pause timing of broadcasting, There are radio wave interference (rain attenuation, lightning interference, etc.) due to weather.

2. Description of the Related Art Conventionally, in data transmission in MPEG2 digital broadcasting and digital communication, an operation management system is used in which an error monitoring device is installed at each of a plurality of transmission points in a broadcast communication transmission path.
In this operation management system, a TS is obtained for each transmission point and its error is detected to determine between which transmission points a TS error has occurred, and a TS error has occurred based on the determination result. The cause is being investigated, and TS acquired at each transmission point at the same time is retained for a certain period in the past and used as source data for subsequent error verification, or the TS acquired at each transmission point is equivalent to the transmission path Measures such as returning to the transmission point with a high-speed communication line and making a visual comparison are taken.

  Regarding the data recording system provided in the error monitoring apparatus and the operation management system, the applicant has previously filed a plurality of applications (Japanese Patent Application Nos. 2004-183887, 2007-127721, 2008- No. 292497 and Japanese Patent Application No. 2010-204147), which are well-known techniques and will not be described in detail.

FIG. 8 shows a display example of the tree structure of the operation management system displayed on the display screen 41.
In the display screen 41, a tree structure display area 41a for displaying the tree structure of the operation management system and display areas 41b to 41d are set.

In the display example shown in FIG. 8, in the display area 41a, monitoring systems (names “XX monitoring system”, “ΔΔ monitoring”) for each company (Company A, Company B, Company C) branching as a lower hierarchy of the operation management system are displayed. System "" □□ Monitoring System ") is displayed, and transmission points 1 to 3 are displayed for each monitoring system.
These data (monitoring system, transmission point) are arranged in the vertical direction from the upper side to the lower side of the display area 41a, and are displayed so that the branching state in the tree structure can be discriminated at a glance.

In the display example shown in FIG. 8, a time axis for a predetermined period (21 months from September 2011 to May 2013) is displayed for each predetermined time unit (every month) in the display area 41 d. The current date is May 2013.
In the display area 41b, changes in the tree structure of the operation management system displayed in the display area 41a are displayed in time series according to the time axis displayed in the display area 41d.

  That is, in the display example shown in FIG. 8, the XX monitoring system of Company A is introduced from at least September 2011, the error monitoring device of the XX monitoring system is installed at transmission points 1 to 3, and in June 2012 Company B's △△ monitoring system was introduced, and the △△ monitoring system error monitoring device was installed at transmission point 1. In July 2012, the △△ monitoring system error monitoring device was added to transmission point 2, 2012. In September, the △△ monitoring system error monitoring device was added to transmission point 3, and in June 2012, the □□ monitoring system of Company C was introduced, and the □□ monitoring system error monitoring device was installed at transmission points 1 to 3. It has been installed and has reached the present time.

  Therefore, in the display area 41b, the area α5 indicating the ΔΔ monitoring system before May 2012, the area α6 indicating the transmission point 1 of the monitoring system before May 2012, and the ΔΔ monitoring before June 2012. Area α7 indicating the transmission point 2 of the system, Δα before August 2012, Δα indicating the transmission point 3 of the monitoring system, Area α9 indicating the □□ monitoring system and transmission points 1 to 3 before May 2012 For, hatching indicating that there is invalid data is displayed.

In addition, characters “introducing a monitoring system” are displayed on the right side of the regions α5 and α9, and characters “addition” are displayed on the right side of the regions α7 and α8.
A region β5 indicating a time axis for one month in June 2012, a region β6 indicating a time axis for one month in July 2012, and a region β7 indicating a time axis for one month in September 2012. In a portion that does not overlap with the regions α7 and α8, different types of hatching from the regions α5 to α9 are displayed.

Therefore, the user of the tree structure analysis / display apparatus 70 only needs to look at the display screen 41 to determine the time of introduction and expansion of the monitoring system and the time of introduction of the monitoring and monitoring system for the tree structure of the operation management system. Easy to recognize.
The hatched display of the areas β5 to β7 is for clarifying the time when the tree structure of the operation management system changes.

Further, in the display example shown in FIG. 8, the communication band is displayed as a line graph in the display area 41c as data associated with the content of the change with time of the tree structure of the operation management system.
In the display example shown in FIG. 8, the communication band increases rapidly from the time when the error monitoring device is added to the transmission point 3 of the ΔΔ monitoring system to the present time.
Therefore, the user of the tree structure analysis display device 70 can easily recognize the change of the communication band with the passage of time only by looking at the display screen 41, and can easily relate the relationship between the change of the communication band and the operation management system. I can recognize it.

[Operations and effects of the fourth embodiment]
According to the tree structure analysis display device 70 of the fourth embodiment, in addition to the same operations and effects as the [1-3] and [1-4] of the first embodiment, the following operations and effects can be obtained. it can.

  [4-1] The tree structure analysis display device 70 not only analyzes and displays the tree structure of the current operation management system, but also records the history of the predetermined period (contents of the change in the tree structure of the operation management system and its The history including the timing at which the change occurred can be visually displayed in time series on the display screen 41 of the display device 40.

Therefore, the user of the tree structure analysis display device 70 can easily recognize and recognize the history of the predetermined period by simply looking at the display screen 41.
As a result, if any problem (for example, a sudden drop in performance, an increase in failure, or a reduction in man-hours) occurs due to a change in the tree structure of the operation management system over time, the problem and the tree structure It becomes possible to determine the causal relationship with changes over time, and it becomes easy to quickly determine the cause and solution of the problem.

  By the way, as for the tree structure of the operation management system, a technique for analyzing the tree structure at the present time and displaying the analysis result as a snapshot has been proposed, but the change of the tree structure in a predetermined period is displayed in time series. There is no technology.

[4-2] In the tree structure analysis display device 70, the data for a predetermined period (data linked to the content of the change with the passage of time of the tree structure of the operation management system: communication bandwidth) is stored in the history for the predetermined period. Can be visually displayed in time series on the display screen 41.
Therefore, also in 4th Embodiment, the effect | action and effect similar to said [2-1] of 1st Embodiment are acquired.

In the fourth embodiment, the communication band is displayed, but the data associated with the content of the change of the tree structure of the operation management system with the passage of time (the change with the passage of time of the tree structure of the operation management system) As long as the data is related to the content of
The fourth embodiment is applied to an operation management system related to a transmission line for broadcast communication. However, any operation management system (for example, an operation management system such as a railway operation, a power system, a portable antenna communication network, etc.) It is also possible to apply to.

<Fifth Embodiment>
The configuration of the tree structure analysis display device 80 of the fifth embodiment is the same as that of the tree structure analysis display device 60 of the third embodiment shown in FIG.
The tree structure analysis display device 80 of the fifth embodiment is different from the tree structure analysis display device 60 of the third embodiment in the following points.

[5-a] The computer main body 20 of the tree structure analysis display device 80 analyzes the contents of the change in the network tree structure based on the Internet network configuration input by the user using the input device 30.
Here, the tree structure of the network changes depending on factors on the network side regardless of the tree structure analysis display device 80.

[5-b] The computer main body 20 analyzes the data (communication bandwidth) associated with the content of the change of the tree structure of the network input by the user using the input device 30 over time.
When the user inputs the network configuration and the associated data using the input device 30, a file format such as CSV may be used.
Further, the network configuration may be automatically changed using a specific communication protocol or ping instead of being input by the user using the input device 30.

[5-c] The computer main body 20 records and stores in the HDD 25 a history including the analysis result of the content of the change in the network tree structure and the timing (year of the year) when the change in the network tree structure occurs. Let
Further, the computer main body 20 records in the HDD 25 the analysis result of data (communication bandwidth) associated with the contents of the change of the network tree structure over time and the timing (year of the year) when the data occurred. Save and accumulate.

FIG. 9 shows a display example of the network tree structure displayed on the display screen 41.
On the display screen 41, a tree structure display area 41a for displaying the tree structure of the network and display areas 41b to 41d are set.

In the display example shown in FIG. 9, the display area 41 a has three IP addresses “192.168.0.100, 192.168.0.101, 192.168.0.102” that are branched as lower layers of the IP (Internet Protocol) address “192.168.0. *”. ”Is displayed, and the three IP addresses“ 192.168.1.100, 192.168.1.101, 192.168.1.102 ”that are branched as lower layers of the IP address“ 192.168.1. * ”Are displayed, and the IP address“ 192.168.2. * ”Is displayed. The three IP addresses “192.168.2.100, 192.168.2.101, 192.168.2.102” branching as a lower layer of “are displayed.
These IP addresses are arranged in the vertical direction from the top to the bottom of the display area 41a, and are displayed so that the branching state in the tree structure can be distinguished at a glance.

In the display example shown in FIG. 9, the display area 41d displays a time axis for a predetermined period (21 months from September 2011 to May 2013) every predetermined time unit (every month). The current date is May 2013.
In the display area 41b, changes in the tree structure of the network displayed in the display area 41a are displayed in time series according to the time axis displayed in the display area 41d.

  That is, in the display example shown in FIG. 9, the IP address “192.168.0. *” Is set from at least September 2011, the IP address “192.168.1. *” Is set in June 2012, and the IP address “ 192.168.1.100 ”is added, IP address“ 192.168.1.101 ”is added in July 2012, IP address“ 192.168.1.102 ”is added in September 2012, and IP address“ 192.168.1 ”is added in June 2012. 2. * ”is set, and three IP addresses“ 192.168.2.100, 192.168.2.101, 192.168.2.102 ”are added to the present.

  Therefore, in the display area 41b, the area α10 indicating the IP address “192.168.0. *” Before May 2012, the area α11 indicating the IP address “192.168.1.100” before May 2012, and before June 2012. An area α12 indicating the IP address “192.168.1.101” of the network, an area α13 indicating the IP address “192.168.1.102” before August 2012, and an IP address “192.168.2. *, 192.168.2.100, before May 2012” In areas α14 to α17 indicating “192.168.2.101, 192.168.2.102”, hatching indicating that there is invalid data is displayed.

In addition, characters “add” are displayed on the right side of the regions α11 to α13 and α15 to α17.
A region β8 indicating a time axis for one month in June 2012, a region β9 indicating a time axis for one month in July 2012, and a region β10 indicating a time axis for one month in September 2012. In the portions that do not overlap with the regions α12 and α13, different types of hatching from the regions α10 to α17 are displayed.

Therefore, the user of the tree structure analysis display device 80 can easily recognize the IP address setting and addition time for the network tree structure only by looking at the display screen 41.
The hatched display of the regions β8 to β10 is for clarifying the time when the network tree structure changes.

Further, in the display example shown in FIG. 9, the communication band is displayed as a line graph in the display area 41c as data associated with the content of the change in the network tree structure over time.
In the display example shown in FIG. 9, the communication band has increased rapidly from the time when the IP address “192.168.1.102” is added to the current time.
Therefore, the user of the tree structure analysis display device 80 can easily recognize the change of the communication band with the passage of time and also can easily recognize the relationship between the communication band and the change of the network only by looking at the display screen 41. .

[Operation and Effect of Fifth Embodiment]
According to the tree structure analysis display device 80 of the fifth embodiment, in addition to the same operations and effects as the [1-3] and [1-4] of the first embodiment, the following operations and effects can be obtained. it can.

[5-1] The tree structure analysis / display apparatus 80 not only analyzes and displays the network tree structure at the present time, but also the history (contents of changes in the tree structure of the network and the changes occurred). (History including timing) can be visually displayed in time series on the display screen 41 of the display device 40.
Therefore, also in 5th Embodiment, the effect | action and effect similar to said [4-1] of 4th Embodiment are acquired.

  By the way, as for the tree structure of the network, a technique for analyzing the tree structure at the present time and displaying the analysis result as a snapshot has been proposed in the past, but a technique for displaying changes in the tree structure over a predetermined period in time series not exist.

[5-2] In the tree structure analysis / display apparatus 70, the data for a predetermined period (data associated with the content of change with time of the network tree structure: communication band) is associated with the history for the predetermined period. In this state, it can be visually displayed in time series on the display screen 41.
Therefore, also in 5th Embodiment, the effect | action and effect similar to said [2-1] of 1st Embodiment are acquired.

  In the fifth embodiment, the communication band is displayed. However, the data associated with the content of the change in the network tree structure over time (related to the content of the change in the network tree structure over time). Data), any data may be used.

<Sixth Embodiment>
The configuration of the tree structure analysis display device 90 of the sixth embodiment is the same as that of the tree structure analysis display device 60 of the third embodiment shown in FIG.
The tree structure analysis / display apparatus 90 of the sixth embodiment is different from the tree structure analysis / display apparatus 60 of the third embodiment in the following points.

[6-a] When the computer main body 20 of the tree structure analysis display device 90 uses the input device 30 to input that the user has changed the source code of the functional programming using the source code version management tool, the functional programming is performed. Based on the configuration, the contents of the change in the tree structure of functional programming are analyzed.
Here, the functional programming tree structure changes depending on factors on the functional programming side regardless of the tree structure analysis display device 90.

  [6-b] The computer main body 20 analyzes the analysis result of the change in the functional programming tree structure, the hierarchical index calculated for each function, and the timing at which the change in the functional programming tree structure occurs (month month) Are recorded and stored in the HDD 25 and accumulated.

FIG. 10 shows a display example of the network tree structure displayed on the display screen 41.
In the display screen 41, a tree structure display area 41a for displaying a functional programming tree structure and display areas 41b and 41d are set.

In the display example shown in FIG. 10, in the display area 41a, three files “AAA.c, BBB.c, CCC.c” branching as a lower hierarchy with respect to the program name “XX system” of functional programming are stored. It is displayed.
In the display area 41a, two functions “function1 (), function2 ()” branching as a lower hierarchy of the file “AAA.c” are displayed, and the function “function1 ()”, which is a lower hierarchy of the function “function1 ()”, is displayed. function1-1 () "is displayed.
In the display area 41a, three functions “function3 (), function4 (), function5 ()” that are branched as a lower layer of the file “BBB.c” are displayed, and a lower layer of the file “CCC.c”. The three functions "function6 (), function7 (), function8 ()" branching are displayed.
These functions are arranged in the vertical direction from the upper side to the lower side of the display area 41a, and are displayed so that the branching state in the tree structure can be discriminated at a glance.

In the display example shown in FIG. 10, the display area 41d displays a time axis for a predetermined period (11 days from May 31, 2013 to June 10, 2013) for each predetermined time unit (every day). The current date is June 10, 2013.
In the display area 41b, changes in the functional programming tree structure displayed in the display area 41a are displayed in time series according to the time axis displayed in the display area 41d.

In the display area 41b, for each function of functional programming displayed in the display area 41a, a number indicating a hierarchical index when any function is added or changed is displayed.
Here, the hierarchical index of a function represents the depth of the hierarchical structure. The number of functions existing in the lower hierarchy of the function and the sum of the hierarchical indices of the functions existing in the lower hierarchy of the function are expressed as follows. It is obtained by adding.

That is, in the display example shown in FIG. 10, the lower-layer function “function1-1 ()” is added to the function “function1 ()” on June 4, 2013, and June 6, 2013, 7th The function “function1-1 ()” is changed on the 9th and 9th respectively.
Therefore, in the display area 41b, hatching indicating that there is invalid data is displayed for the area α18 indicating the function “function1-1 ()” before June 3rd.
In addition, in the regions β11 to β14 indicating the time axis for one day on June 4, 6, 7, and 9, different types of hatching from the region α18 are displayed.

Therefore, the user of the tree structure analysis / display apparatus 90 can easily recognize the timing of addition and change of functions in the functional programming tree structure only by looking at the display screen 41.
The hatched display of the regions β11 to β14 is for clarifying the time when the functional programming tree structure changes.

Further, in the display example shown in FIG. 10, for the function addition or change date (June 4, 6, 7, 9), a number indicating the hierarchy index is displayed for each function.
For example, for the function “function1-1 ()”, the number “1” indicating the hierarchical index on June 4th, the number “3” indicating the hierarchical index on 6th, and the number “7” indicating the hierarchical index on the 7th. , The number “10” indicating the hierarchical index of the 9th is displayed, and the hierarchical structure becomes deeper every time the function “function1-1 ()” is changed.
On the other hand, for functions other than function “function1-1 ()”, the number indicating the hierarchy index has not changed, and is unrelated to the change of function “function1-1 ()”, and the hierarchical structure has changed. Absent.

  Accordingly, the user of the tree structure analysis display device 80 simply looks at the display screen 41, and the time when the hierarchical structure of the specific function “function1-1 ()” becomes deeper (functions “function1 (), function1-1 ()”). ”Is becoming more complex” and the process of deepening its hierarchical structure can be easily recognized.

[Operation and Effect of Sixth Embodiment]
According to the tree structure analysis display device 90 of the sixth embodiment, in addition to the same operations and effects as the [1-3] and [1-4] of the first embodiment, the following operations and effects can be obtained. it can.

  [6-1] The tree structure analysis display device 80 not only analyzes and displays the functional programming tree structure at the present time, but also records the history of the predetermined period of time (contents of changes in the functional programming tree structure, The history including the timing at which the change occurred can be visually displayed in time series on the display screen 41 of the display device 40.

Therefore, the user of the tree structure analysis display device 10 can easily recognize and recognize the history of the predetermined period by simply looking at the display screen 41.
This makes it possible to take measures to prevent quality degradation while improving the quality of software development by functional programming.
In addition, it is easy to recognize when the function that has become a problem is changed, so it is possible to identify changes to the function that need to be investigated in order to solve the problem much faster than before. Find solutions quickly.

  As a result, if any problem (for example, a sudden increase in the hierarchy index, an increase in the number of problems, an increase in the problem response time, etc.) occurs due to changes in the tree structure of functional programming over time And the causal relationship between changes in the tree structure over time, and it becomes easy to quickly determine the cause and solution of the problem.

  By the way, regarding the tree structure of functional programming, a technique for analyzing the current tree structure and displaying the analysis result as a snapshot has been proposed in the past, but changes in the tree structure over a predetermined period are displayed in time series. There is no technology.

<Another embodiment>
The present invention is not limited to the above-described embodiments, and may be embodied as follows. Even in this case, operations and effects equivalent to or higher than those of the above-described embodiments can be obtained.

  <1> In each of the above embodiments, a line graph is displayed in the data display area 41c on the display screen 41 of the display device 40. However, the data displayed in the data display area 41c (corresponding to the contents of the change in the tree structure). Any graph format (for example, bar graph, scatter diagram, etc.) may be used as long as the user can recognize the data).

  In addition to displaying one type of data linked to the content of the change in the tree structure in the data display area 41c, a plurality of types of data linked to the content of the change in the tree structure (for example, the first implementation) In the form, two types of data of error occurrence rate and audience rating in TS) may be displayed in the data display area 41c, and in that case, a graph displaying individual data may be arranged in the data display area 41c. A composite graph in which a plurality of graphs are superimposed may be used.

<2> In each of the above embodiments, the operation of the tree structure analysis display device is realized by software processing by the computer main body 20.
However, the computer main body 20 may be replaced with the dedicated circuit by providing a dedicated circuit having a function for realizing the operation of the tree structure analysis display device as hardware.

  <3> Although each embodiment uses the HDD 25 as a recording medium, the HDD 25 may be replaced with any recording medium as long as the operation of the tree structure analysis display apparatus can be performed reliably.

  <4> The present invention is not limited to the tree structure of each of the above embodiments, and may be applied to any tree structure.

<Explanation of terms>
Correspondence between the constituent elements described in [Claims] and [Means for Solving the Problems] and the constituent members described in [Mode for Carrying Out the Invention] is as follows.

“Analyzing means” corresponds to the computer main body 20.
The “recording unit” corresponds to the HDD 25.
The “designating means” corresponds to the computer main body 20 and the input device 30.
The “display unit” corresponds to the display device 40.

10, 50, 60, 70, 80, 90 ... tree structure analysis display device 20 ... computer main body (analysis means, designation means)
25. HDD (recording means)
30 ... Input device (specifying means)
40. Display device (display means)
41 ... Display screen 41a ... Tree structure display area 41b ... History display area 41c ... Data display area 41d ... Time scale display area BC ... Broadcast line

Claims (13)

Analytical means for analyzing the contents of the tree structure that changes over time,
Recording means for recording and storing a history including the content of the change in the tree structure analyzed by the analysis means and the timing at which the change occurred;
Designation means for designating and reading out the history for a predetermined period from the history recorded and stored in the recording means;
A tree structure analysis display device comprising: display means for visually displaying the history of the predetermined period read from the recording means in time series. In the tree structure analysis display device according to claim 1,
The analysis means analyzes data associated with the content of the tree structure change,
The recording means records and stores the data analyzed by the analyzing means and the timing at which the data is generated,
The designation means designates and reads the data of the predetermined period from the data recorded and stored in the recording means,
The display means visually displays the data of the predetermined period read from the recording means in time series in a state corresponding to the history of the predetermined period. Display device. In the tree structure analysis display device according to claim 1,
The display means includes a display screen,
The display screen includes
A tree structure display area for displaying the tree structure;
A history display area for displaying the history of the predetermined period;
A tree structure analysis display device, wherein a time scale display area for displaying a time scale of the history display area is set. In the tree structure analysis display device according to claim 2,
The display means includes a display screen,
The display screen includes
A tree structure display area for displaying the tree structure;
A history display area for displaying the history of the predetermined period;
A data display area for displaying the data of the predetermined period;
A tree structure analysis display device, wherein a time scale display area for displaying a time scale common to the history display area and the data display area is set. In the tree structure analysis display device according to any one of claims 1 to 4,
The tree structure analysis / display apparatus characterized in that the predetermined period is a period retroactive from the present time to a predetermined time in the past, or a period retroactive from a predetermined time in the past to a predetermined time in the past. In the tree structure analysis display device according to any one of claims 1 to 5,
2. The data recording system according to claim 1, wherein the tree structure is a tree structure of PID (Packet IDentification) in TS (Transport Stream) of MPEG (Moving Picture Experts Group) 2. In the tree structure analysis display device according to any one of claims 1 to 5,
2. The data recording system according to claim 1, wherein the tree structure is an EPG (Electronic Program Guide) tree structure in a TS (Transport Stream) of MPEG (Moving Picture Experts Group) 2. In the tree structure analysis display device according to any one of claims 1 to 5,
The data recording system according to claim 1, wherein the tree structure is a tree structure of a business organization. In the tree structure analysis display device according to any one of claims 1 to 5,
The data recording system according to claim 1, wherein the tree structure is a tree structure of an operation management system related to a transmission line for broadcast communication. In the tree structure analysis display device according to any one of claims 1 to 5,
The data recording system according to claim 1, wherein the tree structure is a tree structure of an Internet network. In the tree structure analysis display device according to any one of claims 1 to 5,
The data recording system, wherein the tree structure is a functional programming tree structure.   The program for functioning a computer system as said each means in the tree structure analysis display apparatus of any one of Claims 1-11.   The computer-readable recording medium with which the program for functioning a computer system was recorded as said each means in the tree structure analysis display apparatus of any one of Claims 1-11.

Images