JPH03233680A - Map display system - Google Patents

Abstract

PURPOSE:To easily confirm relations to retrieved attribute information or the like by reading and displaying attribute information of a designated position from edited results at the time of designating the position on a map displayed by the indication of a display selecting part. CONSTITUTION:This system consists of an attribute information file 1, an input condition retrieving and holding part 12, an editing and holding part 13, a point information file 4, a point display processing part 8, a point number display processing part 9, an attribute display processing part 10, and a CRT (display device) 11. When a position on the display map is designated by the indication of the display selecting part, the attribute display processing part 10 reads and displays attribute information of this position from edited results. That is, retrieved attribute information is displayed on the pertinent map with the point number in the case of enlargement and with a point in the case of reduction, and attribute information of the designated point is displayed with characters if necessary. Thus, relations between attribute information and position information or the like are easily recognized.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a map display method using a computer system, and particularly to a map display method for displaying searched attribute information on a map.

[Conventional technology]

In conventional map display systems, when a search condition item is input and an attribute database is searched, the content of data (number of items, attributes, etc.) that corresponds to the condition is output as text information.

[Problem to be solved by the invention]

The above-mentioned map display method outputs the search results for attribute information such as buildings and residents as text information, so although it is suitable for obtaining detailed information for each individual, it does not display the attribute information for the corresponding location 1 surrounding environment. , it has the disadvantage that it is not suitable for knowing the relationship between attribute information and location information, such as the distribution situation within a certain area of a certain area.

SUMMARY OF THE INVENTION An object of the present invention is to provide a map display method that eliminates these drawbacks and allows the user to easily understand the relationship between searched attribute information and location information.

[Means for Solving the Problems] The map display method of the present invention includes: an attribute information file storing attribute information including a map key corresponding to a map including a point where an attribute exists; and conditions input by an operator. an input condition search holding unit that searches the attribute information file for attribute information that satisfies the attribute information file and holds the search results; a point information file that stores position information on a map; an editing holding unit that edits location information corresponding to the search results and holds the editing results; a display selection unit that starts a display process selected by an operator based on the editing results; and instructions for the display selection unit. a point display processing section that displays points on the corresponding map based on the editing results; and a point display processing section that displays points on the corresponding map based on the editing results; and an attribute display processing unit that reads out attribute information of the position from the editing result and displays it when a position on the displayed map is designated by an instruction from the display selection unit. .

(Example) Next, an example of the present invention will be described with reference to the drawings.

Fig. 1 is a functional block diagram showing an embodiment of the present invention, Fig. 2 is a functional block diagram showing a point display processing section of this embodiment, and Fig. 3 is a functional block diagram showing a point display processing section of this embodiment. FIG. 4 is a functional block diagram showing the attribute display processing section of this embodiment.

This map display method consists of an attribute information file 1, a manual condition search holding section 12, an editing holding section 13, a point information file 4, a point display processing section 8, a point number display processing section 9, and an attribute display processing section. 10 and a CRT (display device) 11.

Furthermore, the input condition search holding section 12 consists of a condition search section 2 and a temporary file A3, the editing holding section 13 consists of an editing section 5 and a temporary file B6, and the point display processing section 8 consists of a condition search section 2 and a temporary file A3. As shown in FIG. 3, the point number display processing section 9 is composed of a temporary file C21 and a point processing section 22, and the point number display processing section 9 is composed of a temporary file D31, a temporary file E32, and a point number processing section 33, as shown in FIG. The attribute display processing unit 10
As shown in FIG. 4, it is made up of a temporary file F41, an attribute display processing section 43, and a point constant human power section 42.

and condition search section 22 editorial section 5. Point display processing section 8
The 0 point processing section 22, the point number processing section 33 of the point number display processing section 9, and the attribute display processing section 43 of the attribute display processing section IO have subprograms for operating each section.

Attribute information file 1 contains attribute information consisting of attributes such as buildings and residents, a map key indicating a map that includes a point at the location of this attribute, and a serial number of the points in the same map of this map key. , is stored in database (DB) format. This map key is predetermined for each small-scale map.

The condition search unit 2 searches the attribute information file 1 for attribute information data that satisfies the search input conditions input by the operator, and temporarily stores the data in a temporary file A3.

The temporary file A3 temporarily holds the attribute information data searched by the condition search unit 2.

The structure of the contents stored in this temporary file A3 is the same as that of the attribute information file I.

The point information file 4 stores position information that corresponds to and is combined with attribute information. This location information is composed of a map number serving as a primary key, a serial number of a point within the map, and coordinate data indicating a position on the map.

The editing unit 5 searches the point information file 4, reads the position information that matches the map key and point serial number of the attribute information in the temporary file A3, and temporarily stores the coordinate data indicating the position on the map in the same record. The attribute information and link of file A3 are edited and temporarily held in temporary file B6.

The temporary file B6 temporarily stores data consisting of attribute information and position information edited by the editing section 5.

The selection unit 7 includes a point display processing unit 8 that performs processing to display data in the temporary file B6 as position information on a small-scale map according to a selection instruction from an operation;
Alternatively, a point number display processing unit 9 that processes the data in the temporary file B6 to display the number of data per unit area on a large-scale map, or an attribute display processing unit 10 that processes the display of attribute information as text information. Select and start display processing. and point display processing section 8. Point count display processing unit 9. The processing results of the attribute display processing unit 10 are displayed on the CRTII.

As shown in FIG. 2, the temporary file C21 of the point display processing section 8 is composed of the same elements as the temporary file B6, and stores data necessary for display.

The point processing unit 22 reads the data stored in the temporary file C21, refers to the map key and coordinate value data, and displays points based on location information on the small scale map displayed on the CRTll.

As shown in FIG. 3, the temporary file D31 of the point count display processing section 9 is composed of the same elements as the temporary file B6, and stores data necessary for display.

The temporary file E32 temporarily stores the map key and the number of attribute information items.

The point number processing unit 33 reads data that satisfies the conditions from the temporary file D31, counts the number of pieces of attribute information having the same map key per unit area for each map key, and stores the counted data in the temporary file E32.

Then, when a large-scale map is displayed on the CRTll, a mensch (w4) is drawn on the map of the CRTII to divide it by map key, and the number of attribute information items with the same map key counted for each map key is stored in the temporary file E32. Display it in the mesh of the loaded CRTII.

As shown in FIG. 4, the temporary file F41 of the attribute display processing unit JO is composed of the same elements as the temporary file B6, and stores data necessary for display.

When the operator specifies a point on the map displayed on the CRTII, the point designation input unit 42 converts the specified point into coordinate data, and the attribute display processing unit 43 converts the specified point into coordinate data.
Send to.

The attribute display processing unit 43 reads the temporary file F41, edits it, and displays it on the CRTII as character information. Furthermore, when a point on the map displayed on the CRTII is specified by the point input specification section 43,
The temporary file F41 is searched from the coordinate data of the specified point, edited, and displayed as character information on the CRTII.

Next, map display processing according to this embodiment will be explained with reference to FIGS. 1 to 4.

When the operator inputs a search condition, for example, address O○, OO town, ○○ city, the condition search unit 2 searches for information on buildings, residents, etc. in the area, a map key that includes points with this attribute, and the same address as this map key. - Search for attribute information including point numbers in the map and temporarily store it in temporary file A3.

The editing unit 5 searches the point information file 4, reads and edits position information that matches data such as attribute information of the temporary file A3, and temporarily stores it in the temporary file B6.

When the operator selects the point display processing section 8 in the display selection section 7, the data of the temporary file B6 is stored in the temporary file C21 and processing is started. The point processing unit 22 reads the data in the temporary file C21 and refers to the map key and coordinate value data to display points based on positional information on the small scale map displayed on the CRT II.

Further, when the point number display processing unit 9 is selected by the operation, the data of the temporary file B6 is stored in the temporary file D31, and processing is started. The point count processing unit 33 reads out data that satisfies the conditions from the temporary file D31, counts the number of buildings, residents, etc. per unit area in the designated area for each map key, and stores it in the temporary file E32. , After displaying the large-scale map and mesh on the CRTll,
The number of buildings, residents, etc. is displayed in this mesh.

Further, when the attribute display processing unit 10 is selected by the operation, the data of the temporary file B6 is stored in the temporary file F41, and processing is started. When the operator specifies a point on the map displayed on the CRT, the attribute display processing section 43 receives coordinate data of the specified point from the point input specification section, searches the temporary file F41 from this coordinate data, and edits it. TeCR
The number of buildings and residents in the area of that point is displayed as text information in an easy-to-see table on the Tll.

As explained above, the map display method of the present invention includes a map key having an attribute and a point where the attribute exists, an attribute information file that stores a serial number in the map, and an attribute information file that satisfies the input conditions input by the operator. An input condition search holding section that searches and holds attribute information etc. from an attribute information file, a map key corresponding to the attribute information, a point information file that stores serial numbers and coordinate data, an input condition search holding section and attributes in the point information file. an editing holding unit that edits and holds the map key and serial number in the information and the map key and serial number in the point information file;
A display selection unit starts display processing based on operator selection, a point display processing unit 8 displays points on the corresponding small-scale map, and calculates the number of items for each map key by referring to map keys in attribute information. It has a display processing unit 9 for displaying the number of points to be displayed, and an attribute display processing unit that displays the attributes of the point in text by specifying the point displayed on the map. 1
The number of cases and attributes can be displayed on a CRT map.

〔Effect of the invention〕

As explained above, the present invention displays one or more pieces of retrieved attribute information on the corresponding map, by displaying the number of items in the case of a large scale, and by points in the case of a small scale. For example, by displaying the attribute information of a specified point in text, you can easily understand the relationship between attribute information and location information, that is, the distribution of attribute information on the map, location, surrounding environment, and the relationship between each attribute information. There is an effect that can be done.

[Brief explanation of drawings]

FIG. 1 is a functional block diagram showing an embodiment of the present invention. FIG. 2 is a functional block diagram showing the point display processing section of FIG. 1. FIG. 3 is a functional block diagram showing the point display processing section of FIG. 1. FIG. 4 is a functional block diagram showing the attribute display processing section of FIG. 1. 1... Attribute information file 4... Point information file 8... Point display processing unit 9... Point count display processing unit 10... Attribute display processing unit 12 ...Input condition search holding section 13...Editing holding section

Claims (1)

[Claims] (1) Search an attribute information file that stores attribute information including a map key corresponding to a map that includes a point where the attribute exists, and search the attribute information file for attribute information that satisfies the conditions input by the operator; an input condition search holding unit that holds results; a point information file that stores position information on a map; and edits and edits the search results and position information corresponding to the search results read from the point information file. an edit holding section that holds the results; a display selection section that starts display processing selected by the operator based on the editing results; and a display selection section that starts display processing selected by the operator based on the editing results; a point display processing section that displays points; a point number display processing section that counts the number of edit results for each map key according to instructions from the display selection section and displays the number on a map; and a display selection section that counts the number of edit results for each map key. A map display method comprising: an attribute display processing unit which, when a position on the displayed map is designated by an instruction, reads out attribute information of the position from the editing result and displays it.