JP2926620B2 - Rectangular layout processing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Summary] The present invention relates to a rectangle arrangement processing apparatus for arranging rectangles on an arrangement screen. In a two-dimensional / three-dimensional CAD system, a box is arranged in contact with another box on a rectangle arrangement screen. The scale of the rectangle selection screen for selecting a box on one display and the scale of the rectangle placement screen for placing the box selected from this rectangle selection screen were arbitrarily changed, and the center of gravity of the box placed on the rectangle placement screen was displayed. In this case, the vertices of the rectangular box corresponding to the internal specification and the external specification of the already-arranged rectangular box on the rectangular layout area of the rectangular layout screen are determined as reference points, and the determined reference point is specified as a vertex. It is configured so that another box is arranged in the direction. Also,
A rectangular arrangement screen for arranging a box and a rectangle selection screen for arranging a box to be selected are provided on one display, and the scales of the rectangle arrangement screen and the rectangle selection screen are arbitrarily changed as necessary and corresponding to these scales. The reference box serving as a reference is displayed on each screen in a size corresponding to the scale. In addition, in response to the box being placed in the rectangular placement area of the rectangle placement screen, the center of gravity of the entire box placed in the rectangular placement area is determined, and a warning message and a necessary message are displayed when this is outside a predetermined range. Is configured to display the position of the center of gravity / coordinate value of the center of gravity in accordance with.

[Industrial applications]

The present invention relates to a rectangle arrangement processing device that arranges rectangles on an arrangement screen. In the 2D / 3D CAD system, for rectangular boxes (objects), (1) a rectangular box for selecting a box on one display, or (2) selecting a box on one display Simple operation, such as changing the scale of the rectangular layout screen and the scale of the rectangular layout screen for arranging the box selected from the rectangular layout screen, and (3) displaying the center of gravity of the box placed on the rectangular layout screen It is desired to arrange by. This will be described sequentially below.

[Problems to be solved by conventional technology and invention]

In a two-dimensional / three-dimensional CAD system, for example, as shown in FIG. 4, a rectangle selection screen is provided on the right side of a display and a rectangle arrangement screen is provided on the left side, and an arbitrary box is hit from the rectangle selection screen. There is a system for arranging luggage (boxes) in an arbitrary position on a rectangular arrangement screen (for example, arranging luggage (boxes) inside a container with maximum efficiency).

(1) Conventionally, placed in a rectangular arrangement screen the box, as shown in FIG. 5, to specify directly hit the reference point P ₁ with the light pen at the rectangular arrangement screen, the reference point P ₁ Hako was arranged with reference to. For this reason, it is difficult to accurately specify the reference point P ₁ (for example, a point in contact with the already-placed box) on the rectangular layout screen, and it is very easy to cause an error, and it is difficult to specify and place an accurate place. There was a problem. In order to solve this, it is necessary to round the coordinates specified on the software, and thus there is a problem that many man-hours are required and accuracy is deteriorated.

The present invention arranges a box adjacent to an already-arranged box in accordance with the designation of the inside of the already-arranged box on the rectangular arrangement screen and any external specification, and the designation of a direction with respect to a reference point obtained from the box. The purpose of this is to dispose in a precise position by a simple operation.

(2) Conventionally, a rectangular arrangement screen for arranging a box and a rectangular arrangement screen for selecting a box are provided on one graphic display, and one box is hit with a light pen from the rectangular arrangement screen to arrange the rectangle on the rectangle arrangement screen. It is arranged at a desired position in the area. At this time, the size of the box on the rectangle selection screen and the size of the box arranged on the rectangular arrangement screen on which the box is hit and arranged are displayed to be the same. For this reason, if you try to display the whole box layout at once on the rectangle layout screen and see the whole state, the area of the rectangle layout screen will decrease in proportion to this,
There is a problem that only a part of the box to be selected is displayed, which is inconvenient to operate.

The present invention changes the scale of the rectangle arrangement screen and the rectangle selection screen to display the box, and displays a reference box as a reference in a size corresponding to the scale, and arranges the box on the rectangle arrangement screen. The purpose is to make it easy to use one screen effectively.

(3) Conventionally, when a box is placed in a rectangular layout area on a rectangular layout screen (for example, when a box (luggage) is placed inside a container), the center of gravity of the whole box sometimes shifts extremely, which is desirable. However, there is a problem that a state may not be able to be checked in real time and a bad arrangement determination with a biased center of gravity may occur.

According to the present invention, when a box is placed in a rectangular arrangement area, the center of gravity of the box is obtained and a warning message is displayed when the box is outside a predetermined range, and a barycenter position display / barycenter coordinate value display is performed as necessary. Inform the operator in real time,
The purpose of the present invention is to efficiently determine the placement of a box with a small shift in the center of gravity.

[Means to solve the problem]

(1) Means for solving the problem will be described with reference to FIG.

In FIG. 1, a rectangular arrangement area 1-1 is an area in which boxes are arranged on the rectangular arrangement screen 1.

The box placement processing unit 3 obtains, as a reference point, the vertices of the box corresponding to the inside designation and the outside designation of the already-placed box on the rectangular placement area 1-1, and sets the obtained reference point as a vertex to another box. Is placed.

(2) Means for solving the problem will be described with reference to FIG.

In FIG. 6, a display 5 is one display device provided with a rectangular arrangement screen 1 for arranging a box and a rectangular arrangement screen 2 for arranging a box to be selected.

The box scale processing unit 6 arbitrarily changes the scales of the rectangle arrangement screen 1 and the rectangle selection screen 2 as necessary, and sets a reference box which is a reference corresponding to these scales in a size corresponding to the scale. Is displayed on the screen.

(3) Means for solving the problem will be described with reference to FIG.

In FIG. 8, a rectangular arrangement area 1-1 is an area where boxes are arranged on the rectangular arrangement screen 1.

The box center-of-gravity calculation unit 7 calculates the center of gravity of the entire box arranged in the rectangular arrangement area 1-1 in response to the arrangement of the box on the rectangular arrangement area 1-1.

[Action]

(1) According to the present invention, as shown in FIG. 1, the box placement processing unit 3 determines the vertices of the box corresponding to the designation of the inside of the already placed box on the rectangular placement area 1-1 and the designation of the outside by the operator. Is determined as a reference point, and another determined box specified by the operator is arranged with the determined reference point as a vertex.

Accordingly, one of the vertices of the box is determined as a reference point in accordance with the designation of the inside and outside of the already-arranged box on the rectangular arrangement area 1-1, and the reference point is further set in a direction corresponding to the designation of the box outside. By arranging a box as one vertex, another box can be arranged at an accurate position adjacent to a box by a simple operation.

(2) In the present invention, as shown in FIG. 6, a rectangular arrangement screen 1 for arranging a box and a rectangle selection screen 2 for arranging a box to be selected are provided on one display 5. The scales of the rectangle arrangement screen 1 and the rectangle selection screen 2 are arbitrarily changed as necessary, and a reference box as a reference corresponding to these scales is displayed on each screen in a size corresponding to the scale. I have to.

Accordingly, the scales of the rectangular layout screen 1 and the rectangular selection screen 2 are arbitrarily changed as necessary to display the horizontal box, and a reference horizontal frame serving as a reference is displayed in a size corresponding to the scale. It is possible to easily arrange the box on the screen 1 and to effectively use one screen.

(3) According to the present invention, as shown in FIG. 8, the box center of gravity calculation unit 7 is arranged on the rectangular arrangement area 1-1 in response to the arrangement of boxes on the rectangular arrangement screen 1. The center of gravity of the entire box is calculated, and when the center of gravity is out of a predetermined range, a warning message is displayed, and the center of gravity position display / center of gravity position coordinates are displayed as necessary.

Therefore, when the box is placed in the rectangular arrangement area 1-1, the center of gravity of the box is obtained and a warning message is displayed when the box is out of a predetermined range, and the barycenter position / center-of-gravity coordinate value display is performed as necessary. In this way, the operator is notified in real time, so that it is possible to efficiently determine the arrangement of the box with a small deviation of the center of gravity.

〔Example〕

(1) The configuration and operation of one embodiment of the present invention will be described in detail with reference to FIGS.

In FIG. 1, a rectangular arrangement area 1-1 is an area where a box is arranged on a rectangular arrangement screen 1 shown in FIG.

The box placement processing unit 3 determines the vertices of the box (eg, the figure) corresponding to the designation inside the box already placed (for example, p1 in the figure) and the outside specification (eg, p2 in the figure) on the rectangular placement area 1-1. P) is determined as a reference point, and another box is arranged with the determined reference point as a vertex.

Next, in the order shown in the flowchart of FIG.
The operation of the configuration of the embodiment of the present invention will be described in detail with reference to FIG. 4 and FIG.

In FIG. 2, the reference box is hit (p1). In this case, as shown in FIG. 1 (a) p1, the inside of an already-arranged box to be arranged adjacent to the box is hit with a light pen. In response to this hit, the coordinates (x, y) of the hit are fetched, and the coordinates (x, y) are obtained.
D (6) to D (9) of the coordinate data 4 of the box box including FIG.
(The start point coordinates and the end point coordinates of the box) are determined.

Finds the midpoint (px, py) of the box. The midpoint of this box is determined by the following equation (see FIG. 3).

px = (D (6) + D (8)) / 2 (1) py = (D (7) + D (9)) / 2 (2) hits the direction (p2) I do. In this case, as shown in FIG. 1 (a) p2, a light pen is used to hit the outside of the already-arranged box in the direction to be arranged adjacently. The coordinates of the hit (wx, wy) corresponding to this hit
Is taken in. Then, the magnitude relationship is determined, and the vertex is adopted as the reference point in the direction of p2 from the midpoint of the already-placed box.

When px ≦ wx and py ≦ wy, the lower right vertex p (D (8), D (9)) of the already-placed box is adopted as shown on the right. Otherwise, execute.

When px ≦ wx and py> wy, as shown on the right side, the upper right vertex p (D (8), D (7)) of the already-placed box is adopted. Otherwise, execute.

When px> wx and py> wy, the upper left vertex p (D (6), D (7)) of the already-arranged box as shown on the right is adopted. Otherwise, execute.

When px> wx and py ≦ wy, as shown on the right, the lower left vertex p (D (6), D (9)) of the already-placed box is adopted. Otherwise, an error occurs.

Through the above process, any vertex of the box shown on the right side of FIG. 2 is obtained as the reference point p. And after that,
A process of arranging another box when the vertex p (D (8), D (7)) at the upper right of the box is adopted will be described.

In FIG. 2, hits (p3) in the direction. In this case, as shown in FIG. 1 (a) p3, the direction of the box to be arranged from the obtained reference point of the box is hit with a light pen. The coordinates of the hit (x3,
y3) is imported. Then, the magnitude relationship is determined, and the position at which the box is arranged is determined from the reference point of the already-arranged box.

Is, when x ≧ x3 and y ≧ y3, as shown by the dotted line on the right side, the reference point p (D
(8), D (7)) is arranged as one vertex. Otherwise, execute.

When x <x3 and y ≧ y3, as shown by a dotted line on the right side, the reference point p (D
(8), D (7)) is arranged as one vertex. Otherwise, execute.

Is, when x <x3 and y <y3, the reference point p (D
(8), D (7)) is arranged as one vertex. Otherwise, an error is signaled.

As described above, FIG. 1 (a) finds the reference point p by hitting the inside p1 and the outside p2 of the already-placed box, and hits the outside p3 of the box to set the reference point p as one vertex. By arranging the box, the box can be accurately packed in contact with another box by a simple operation.

FIG. 3 shows an example of coordinate data according to the present invention. This is the coordinate data of the box shown in FIG. Here, the box ID of D (1) is an ID that uniquely determines the box to be placed. D (6), D (7) arranged 4 of Hako
This is the coordinate closest to the origin in the point. D (9), D (10)
Are the coordinates farthest from the origin among the four points of the arranged box.

FIG. 4 shows an example of a rectangle arrangement screen / rectangle selection screen. This is provided with a rectangle arrangement screen 1 and a rectangle selection screen 2 on a graphic display. On the rectangle selection screen 2, the size and number of boxes to be arranged are displayed. On the other hand, a rectangular arrangement area 1-1 is provided on the rectangular arrangement screen 1, which is an area in which boxes are to be packed. When placing a box by hitting with a light pen from the rectangle selection screen 2 in this rectangle placement area 1-1,
According to the above-described present embodiment, it is possible to arrange the boxes adjacent to each other by an accurate and simple operation.

(2) The configuration and operation of one embodiment of the present invention will be described in detail with reference to FIGS.

In FIG. 6A, the display 5 is one display device provided with a rectangular arrangement screen 1 for arranging a box and a rectangle selection screen 2 for arranging a box to be selected.

The rectangular arrangement screen 1 is a screen in which a rectangular arrangement area 1-1 for arranging a box and a reference box are arranged. The reference box is, for example, a box unit of a basic unit of box (for example, 180 mm which is a base unit of box (package) to be packed in a container) or a square having an integral multiple of the base unit. Here, as shown in the figure, the scale of the rectangle arrangement screen 1 is increased and the scale of the rectangle selection screen 2 is reduced. Referring to the reference box, even if the box size in the rectangular arrangement area 1-1 and the box size in the rectangle selection screen 2 are displayed at different scales, the approximate size is visually indicated. You can judge.

The rectangle selection screen 2 is a screen that displays a box that is hit by a light pen and is arranged in the rectangle arrangement area 1-1 and the number thereof. The reference box is also displayed in the rectangular selection screen 2.

The box scale processing unit 6 arbitrarily changes the scale of the rectangle arrangement screen 1 and the rectangle selection screen 2 as necessary, and displays a reference box having a size corresponding to these scales as shown in the drawing. It is. Although the size of the reference box differs on both screens, the actual size is the same.

Next, the operation of the configuration in FIG. 6A will be described in detail with reference to the flowchart in FIG.

In FIG. 6B, the CAD screen is initialized. In this method, a logical screen is divided into two on one display 5 and one rectangular arrangement screen 1 and the other one are selected as a rectangular selection screen 2. Each of them has a predetermined scale (a scale specified by an operator or a system scale). Set the selected scale).

Displays the reference box on the logical screen. In this case, the reference screens corresponding to the set scale are displayed on the logical screens of the rectangular layout screen 1 and the rectangular selection screen 2 divided as shown in FIG. 6A.

Sets the display location of the reference box on each logical screen. This is because when the position of the reference box displayed in is an unsightly position, the operator hits using the light pen and moves / rotates it to a position that is not in the way of obstruction and easy to see. Set. Then, normal work (work such as repeatedly performing one hit from the rectangle selection screen 2 and arranging it at a predetermined position in the rectangular arrangement area 1-1) is performed.

Through the above-described processing, the entire size of the rectangular arrangement screen 1 and the rectangular selection screen 2 displayed on one display can be arbitrarily changed as needed, and the entire box can be displayed.
The details of the box are displayed in large size, and the whole box to be further selected is displayed on the rectangle selection screen 2 so that the box can be easily arranged on the rectangle arrangement screen 1 and one screen is effectively used. It becomes possible.

 FIG. 7 shows a conceptual explanatory view of the present invention.

In FIG. 7, a logical screen A (here, a rectangular layout screen 1) and a logical screen B (here, a rectangular selection screen 2) are associated with one defined space, and the graphics of these two screens are superimposed, so to speak. It is displayed on the one space in a state. At this time, each of the logical screens A and B has an attribute (for example, a visible attribute, a scale according to the present embodiment, etc.), and the logical screens A and B are displayed at the scale at which only the figure designated with the visible attribute is set. A and B are displayed respectively. At this time, the reference boxes indicated by the diagonal lines according to the present embodiment are displayed in a size corresponding to the scale. As a result, the same reference box in space is displayed on the logical screen A and the logical screen B in a size corresponding to the reduced scale. Therefore, the size of the figure is determined with reference to the size of the reference box. Becomes possible.

(3) Next, FIG. 8 and FIG.
The configuration and operation of the embodiment will be sequentially described in detail.

In FIG. 8 (a), a rectangular arrangement area 1-1 is an area in which boxes are arranged on the rectangular arrangement screen 1.

The box center-of-gravity calculation unit 7 calculates the center of gravity of the entire box arranged on the rectangular arrangement area 1-1 in response to the box being arranged on the rectangular arrangement area 1-1. .

FIG. 8 (b) shows an example of coordinate data of a box. Here, the box ID of D (1) is an ID that uniquely determines the box to be placed. D (2) is the weight of the box. The weight of the box is uniform throughout the box to simplify the calculation. D (3) is a rectangular arrangement area 1-1
Is a flag indicating that the file has been arranged. D (4) is the size of the box (the size in the vertical direction is L), and D (5) is the size of the box (W,
(Size in the horizontal direction). D (6) and D (7) are coordinates closest to the origin among the four points of the box. D
(9) and D (10) are the coordinates farthest from the origin among the four points of the box. Therefore, the box start position ((D5, D5
(6)), based on the box layout end points (D (8), D (9)), and the box weight D (2), calculate the center of gravity of the entire box arranged on the rectangular placement area 1-1. You can ask.

Next, in the order shown in the flowchart of FIG.
The operation of the diagram configuration will be described in detail.

In FIG. 9, the arrangement of the center of gravity check is determined. This is to determine the center of gravity of the entire box placed in the rectangular placement area 1-1, and to display a warning message when the position of the center of gravity is outside the specified range.
For example, the starting point (cx1, cy1) shown using the dotted line in FIG.
And determine (specify) the range of the rectangle consisting of the end point (cx2, cy2).

Hits the box and places it in the rectangular placement area 1-1. In this case, one arbitrary box is hit with a light pen from the rectangle selection screen 2 in FIG. 8 (a) and the rectangle is arranged at a desired position in the rectangle arrangement area 1-1 of the rectangle arrangement screen 1.

Determines whether the arrangement has been completed. This is the eighth
(A) It is determined whether or not an instruction has been given as to whether or not the placement of the box on the rectangular placement area 1-1 has been completed. If yes, end. If NO, execute the following.

Determines the placement of the box. This corresponds to the fact that the box is placed at a desired position on the rectangular arrangement area 1-1, and the box L (D (D ()) in the coordinate data of FIG. 8 (b) corresponding to the box ID of the box. 4)), the arrangement start point coordinates (D (6)) and D (7)) and the arrangement end point coordinates (D (8)) and D (9)) are determined based on W (D (5)).

Calculates the center of gravity. This calculates the coordinates Gx and the coordinates Gy of the center of gravity of all the boxes, assuming that the weight of the box is uniform inside, as shown in the calculation formula at the lower right.

Determines whether or not it is within the range of the center of gravity check. YES
In the case of (coordinates (G
If x, Gy) is within the range of the center-of-gravity check, that is, within the rectangular range defined by the start point (cx1, cy1) and the end point (cx2, xy2) determined at, the next block is repeated. on the other hand,
In the case of NO (out of the range of the center of gravity check), a warning message such as "Weight of the center of gravity is out of range" is displayed at the upper end of the display in FIG.

Displays the position of the center of gravity. This means that "x" indicating the center of gravity is displayed at the position of the center of gravity (Gx, Gy) calculated by the above, or the coordinate value (Gx, Gy) of the position of the center of gravity is displayed together with the warning message.

According to the above-described processing, a warning message and barycentric coordinate values (Gx, Gy if necessary) are displayed when the positions of the barycenters are out of the preset range when the boxes are sequentially placed in the rectangular placement area 1-1. ) Is displayed in real time, so that the box (luggage) can be placed in a rectangular arrangement area (container) 1-1.
When arranging the center of the box, the position of the center of gravity of the entire box can be known in real time, and the center of gravity can be efficiently arranged at a position without bias.

〔The invention's effect〕

As described above, according to the present invention, (1) one of the vertices of a box is determined as a reference point corresponding to the designation of the inside and outside of the already-arranged box on the rectangular placement area, and the outside of the box is further determined. Is adopted in which the reference point is set as one vertex in the direction corresponding to the designation of the box, so that another box can be arranged at an accurate position adjacent to a certain box by a simple operation.

(2) A configuration is adopted in which the scales of the rectangle arrangement screen 1 and the rectangle selection screen 2 are arbitrarily changed as necessary to display the box and the reference box is displayed on each screen in a size corresponding to the scale. Therefore, the scale can be changed arbitrarily to make it easier to arrange the boxes on the rectangular arrangement screen 1 or to display the entire box on the rectangle selection screen 2 so that one screen can be used effectively.

(3) When the box is placed in the rectangular arrangement area 1-1, the center of gravity of the box is obtained and a warning message is displayed when the box is out of a predetermined range. Since the configuration in which (Gx, Gy) is displayed and the operator is notified in real time is adopted, it is possible to efficiently determine the arrangement of the jaws having a small shift in the center of gravity.

The rectangular arrangement processing method of the present invention having the above-described effects enables the box to be efficiently arranged in the rectangular arrangement area 1-1 in the two-dimensional / three-dimensional CAD system.

[Brief description of the drawings]

FIG. 1 is a block diagram of one embodiment of the present invention, and FIG.
FIG. 3 is an example of coordinate data according to the present invention, FIG. 4 is an example of a rectangle arrangement screen / rectangle selection screen, FIG.
FIG. 6 is an explanatory view of a layout of a box according to the prior art, FIG. 6 is a configuration and explanatory view of one embodiment of this embodiment, FIG. 7 is a conceptual explanatory view of the present invention, and FIG. 8 is a structural view of one embodiment of the present invention. FIG. 9 is a flowchart for explaining the operation of the present invention. In the figure, 1 is a rectangle arrangement screen, 1-1 is a rectangle arrangement area, 2 is a rectangle selection screen, 3 is a box arrangement processing unit, 4 is coordinate data,
Reference numeral 5 denotes a display, 6 denotes a box scale processing unit, and 7 denotes a box center of gravity calculation unit.

Continuation of front page (58) Fields investigated (Int. Cl. ⁶ , DB name) G06F 17/50 G06T 1/00 G09G 5/00 JICST (JOIS)

Claims (3)

(57) [Claims] 1. A rectangle arrangement processing apparatus for arranging a rectangle on an arrangement screen, comprising: a designated point inside a previously arranged box and a designated point outside the rectangle on a rectangle arrangement area of the rectangle arrangement screen. A rectangular arrangement processing device comprising: means for obtaining a vertex of the box as a reference point on the basis of the box; and means for arranging another box in a direction designated by using the obtained reference point as a vertex. 2. A rectangle for arranging rectangles on an arrangement screen is a position processing device, comprising: a display having a rectangle arrangement screen for arranging a box and a rectangle selection screen for arranging a box to be selected; Scale changing means for changing the scale of the arrangement screen and the rectangle selection screen; and reference box display means for displaying a reference box as a reference corresponding to these scales on the respective screens in a size corresponding to the scale. Having a rectangular arrangement processing device. 3. A rectangle arrangement processing device for arranging rectangles on an arrangement screen, wherein, in response to arranging a box in a rectangle arrangement area of the rectangle arrangement screen, the entire box arranged in the rectangle arrangement area is provided. A rectangular arrangement processing device comprising: means for obtaining a center of gravity; and means for displaying a warning message and, if necessary, a center of gravity position / center of gravity coordinate value when the obtained center of gravity falls outside a predetermined range.