JP2889984B2 - Schematic map generator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a schematic map creation device for drawing and editing a schematic map. [Prior Art] In the conventional technique, when only a schematic map is limited, a drawing plane of roads, rivers, railways, subways, tunnels, pedestrian bridges and their intersections and terminal shapes, and figures, arrows, The overlay drawing plane, the character / map symbol description plane, and the trajectory drawing plane are not superimposed and combined, but all are described on the same plane. If a part of the plane is blanked and the planes are superimposed and combined, it is not possible to validate only the specified area of some planes. It is necessary to delete the graphic in the area each time, and it is necessary to perform the divided graphic drawing in consideration of the blank area in advance, and the drawing operation is burdensome. [Problems to be Solved by the Invention] In the conventional technology, when only a rough map is created, a drawing plane of roads, rivers, railways, subways, tunnels, pedestrian bridges, their intersections and terminal shapes, and figures and arrows are drawn.・ It is not possible to combine the drawing plane of the fill in the figure with the plane of the character / map symbol description and the plane of the trajectory drawing, but to write all of them on the same plane. When blanking some arbitrary planes and superimposing the planes, it is not possible to activate only the specified area of some planes. It is necessary to erase the graphic in the area each time, and it is necessary to grasp the whole image of the drawing in advance and to perform the divided graphic drawing in consideration of the blank area in advance, so that the burden of the drawing operation is large. SUMMARY OF THE INVENTION It is an object of the present invention to overcome these problems and to provide an apparatus that can more easily create a drawing. [Means for Solving the Problems] In order to solve these problems, the schematic map creating apparatus of the present invention uses various types of maps including roads, rivers, railway tracks, etc., and general characters and symbols. A schematic map creating device that creates a schematic map by combining the map elements of the above, wherein for each of the map elements, the predetermined map surface is selected from a plurality of drawing surfaces based on an attribute of the map element. Selecting drawing means for drawing the map element on the drawing surface, and setting a blank area for at least a part of the plurality of drawing surfaces including a drawing surface on which a map figure is drawn. A selected drawing surface blank region setting means for blanking the map element on the selected drawing surface corresponding to the region, and blanking the map element on the selected drawing surface in the blank region. On a drawing surface other than the selected drawing surface Drawing synthesizing means for synthesizing the plurality of drawing surfaces so as to display the map element. Examples Examples of the present invention will be described below. The outline of the present embodiment is a road map drawing device that selects and draws a plurality of roads having different road widths in a straight line or a curve on a display device in a rough map creation device for easily creating only a rough map, A river drawing device that selects and creates a plurality of rivers with different river widths with straight lines or curves, a railway drawing device that draws multiple types of railways such as railway subways and tunnels with straight lines or curves, and a pedestrian bridge drawing device that draws pedestrian bridges Intersections of these roads, rivers, railways, subways, tunnels, and pedestrian bridges are taken as intersections, and each road, river, railroad, subway, tunnel, and pedestrian bridge are individually crossed or plane-crossed to create an intersection shape And a terminal drawing device that transforms the shape of the end of each road / river / railway / subway / tunnel into a plurality of shapes such as semicircle, square and triangle. Roads, rivers, railways, and on one side by the formation means subways,
Draw tunnels and pedestrian bridges and their intersections and ends. In addition, figures for creating basic figures such as circles, polygons, straight lines, curves, etc. with multiple line widths for creating shapes other than roads, rivers, railways, subway tunnels, pedestrian bridges, intersections for creating schematic maps It is composed of a drawing device, an arrow drawing device that creates a plurality of shapes of arrows for designating one point on the map, and an intermediate coating device that fills the inside of the drawn line with a plurality of shapes. Various figures are drawn on one surface by the figure creating means, and an intermediate coating is performed. Then, these are described on one surface by a character description means constituted by a character drawing editing device for writing characters on the map and a map symbol drawing device for writing map symbols on the map. The trajectory drawing means of the trajectory drawing device for writing a movement trajectory on a map according to the movement of the cursor has a bit pattern on one surface. The four planes drawn by the road creation means, the figure creation means, the character description means, and the trajectory drawing means are superimposed and synthesized to generate one character / figure plane, which is displayed on the display device. At the time of combining these four surfaces, if a certain region is designated by the combining part cutoff device, the surface by the road creating means and the surface by the graphic creating means are left blank only in that region and combined with other surfaces. . Examples will be described in more detail below. FIG. 1 is a diagram showing a schematic map creation device of the present invention.
Reference numeral 1 in the figure denotes an input device for inputting characters, processing instructions, and display coordinate positions. The data input by the input device 1 is classified into three types of command / character input display coordinates and sent to the command analyzer 3, the character input device 4, and the display coordinate analyzer 5, respectively. The instruction analyzer 3 analyzes the processing contents, sends the processing contents to the respective devices and performs predetermined processing, and the characters input by the character input device 4 are sent to the character drawing / editing device 20, and the display coordinate analysis device. The coordinate data analyzed by 5 is used for predetermined processing of each device. In the road creating means 8, various roads are drawn on the dedicated plane by the road drawing device 10, and various rivers are drawn by the river drawing device 13,
Various railways are drawn by the railway drawing device 11, pedestrian bridges are drawn by the pedestrian bridge drawing device 14, these intersections are drawn by the intersection drawing device 9, and these terminal shapes are drawn by the terminal drawing device 12. In the figure creating means 15, a figure, such as a straight line, a curve, a circle, or a rectangle, is drawn by various lines on the dedicated plane by a figure drawing device 16, and a plurality of arrows are drawn by an arrow drawing device 17, and these are drawn. The closed section surrounded by the figure is filled by the middle coat device 18 with a plurality of patterns. Then, the character description means 19 describes the character input to the predetermined coordinate position by the character drawing / editing device 20 on the dedicated plane, and describes the map symbol specified by the map symbol drawing device 21 at the predetermined coordinate position. I do. Further, in the trajectory drawing means 22, the trajectory drawing device 23 draws the trajectory of the position designated by the cursor or the like on the dedicated plane. The drawing and synthesizing device 6 superimposes these four planes.
OR is combined into one plane. At this time, the area of the plane defined by the road creating means and the area of the plane defined by the figure creating means are the same in relative position from the plane reference point and the blocking area specified by the combining partial blocking device 7. Is rendered blank by the drawing synthesizing device 6 and synthesized into one plane, and is displayed on the display device 2. FIG. 2 illustrates a specific example in which the schematic map creating apparatus of the present invention combines various surfaces. The plane e is a plane dedicated to the road creation means 8, the plane d is a plane dedicated to the figure creation means 15, and the plane b is a character description means.
The plane a is a plane exclusively used for the trajectory drawing means 22. Further, the plane c is considered as the plane of the combined partial cutoff device 7, and in the figure, α is an area where the planes d and e are blanked out, and the area other than α on the same plane transmits the data of the planes d and e. Part. Therefore, the drawing composition device 6 composes five planes a, b, c, d, and e to create one plane A. [Effects of the Invention] The present invention has the following effects. According to the present invention, the data of a certain area of the selected drawing surface can be invalidated by the selected drawing surface blank region setting means. For this reason, even if a map figure or the like is drawn without being conscious of the blank area in advance, the blank area can be easily set later, and characters and hand-drawn pictures can be generated in the blank area. become.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a schematic map creation device of the present invention. FIG. 2 illustrates a specific example in which the schematic map creating apparatus of the present invention combines various surfaces. 7 ... Synthetic part cutoff device

   ────────────────────────────────────────────────── ─── Continuation of front page       (56) References JP-A-59-178567 (JP, A)                 JP-A-61-199172 (JP, A)                 JP-A-61-237172 (JP, A)                 JP-A-58-91492 (JP, A)                 JP-A-58-211185 (JP, A)                 JP-A-62-113281 (JP, A)

Claims (1)

(57) [Claims] A schematic map creation device that creates a schematic map by combining various map elements including map graphics such as roads, rivers, tracks, and general-purpose characters and symbols, for each of the map elements, Selection drawing means for drawing the map element on the predetermined drawing surface while selecting a predetermined drawing surface from a plurality of drawing surfaces based on the attribute of the map element; and at least a map figure in the plurality of drawing surfaces Setting a blank area for a part of the selected drawing planes including the drawing plane on which is drawn, and blanking the map element on the selected drawing plane corresponding to the selected area. Means, in the blank area, blank the map element on the selected drawing surface to display the map element on a drawing surface other than the selected drawing surface, and display the plurality of drawing surfaces. A drawing composition means for compositing; A schematic map creating device comprising: