JP2005221883A5

JP2005221883A5 -

Info

Publication number: JP2005221883A5
Application number: JP2004031225A
Authority: JP
Filing date: 2004-02-06
Publication date: 2005-09-29
Anticipated expiration: 2024-02-06

Claims

A map and orthophoto image of a specific area is saved as raster data, and a caution area based on sabo related information is overlaid on these raster data, while the map and orthophoto image are displayed lightly for viewing sabo related information. A storage medium storing a program,
Computer
The latitude and longitude show the map information of a specific area indicated by plane rectangular coordinate raster data, the map information of the raster data, the first map data projected in the first measure of the following measures of該地diagram information No. Means for storing in one memory,
Of the first map data, a map of a predetermined area where the orthophoto image exists is projected on a second scale (first scale> second scale ) corresponding to the resolution of the orthophoto image. Means for linking two map data to the predetermined area in the format of the raster data and storing them in a second memory;
Aerial photographs of the predetermined area, the second is converted into the orthophoto image of the resolution corresponding to the scale, a third memory which to put links to the second map data in the form of the raster data Means to remember,
The sabo related information is a landslide disaster special warning area, a landslide disaster warning area, a debris flow inundation assumption area, a debris flow danger mountain area, a landslide danger area, a landslide danger area,
The coordinate data of the contours of these areas is defined by the rectangular coordinate system of the second map data, and the color density corresponding to the type of the area is assigned to this, and this is stored in the fourth memory as the data of the attention area. Means to remember,
Each map stored in advance, and displays an operation tool box with a scale for changing the color density of the orthophoto image, means for informing the bar OPERA fragile location of the scale,
The first map data is read from the first memory, displayed on the screen as a first map, and when the designation of the position occurs on the first map, the first map data of the second memory is displayed . Means for reading the second map data of a scale of 2 over a window of a certain size and outputting it as a second map on the first map in a format for display on the first map;
When the display designation of the orthophoto image is inputted on the second map, when the second map is displayed on the screen, the window is put on the orthophoto image of the third memory. Means for reading and outputting in a format for display on the second map;
When the second map or orthophoto image read out in the window is output, a density value at the bar position of the scale is obtained, and the first map, the second map, or Means for changing the color density of the orthophoto image and outputting it to the screen;
When displaying the earth and sand disaster special warning area and the earth and sand disaster warning area on the screen , a program for browsing sabo related information for functioning as a means for thinly displaying the density of pixels within a certain range of the outline of the area is provided. Stored storage medium.

The computer
The orthophoto image read by the window after inputting the coordinate data of the attention area from the fourth memory and changing the color density of this information to a preset color density of 30% to 80%. Means for displaying on the screen in a form to be overlaid on top,
A storage medium storing a program for browsing sabo related information according to claim 1 for functioning as a storage medium.

The first measure of the first map in 30,000 minutes 1, second measure of the second map is 1/10000,
The computer
Reading the second map data from the second memory
When the position is designated on the first map of the screen, the first scale is read, and the first coordinates obtained by converting the pixel coordinates of the designated position into the plane rectangular coordinate system based on the read scale Means for outputting a value;
The window that has a range that is less than or equal to the size of the second map, and that extracts raster data of the second map data in the range;
Have
Read the first coordinate value, determine the first coordinate value in the second map data, move the center of the window to the determined position, and read the second map data in the window 3. A storage medium storing a program for browsing sabo related information according to claim 1 or 2, wherein the program is executed by means for displaying on the screen .

The computer
Reading the first map data is
A large map area including the specific area is stored as raster data having a constant scale (fixed scale> first scale) equal to or higher than the first scale, and the large map is displayed on the screen. 4. The storage medium storing a program for browsing sabo related information according to claim 1, wherein the first map data is read out when a specific area is designated.

The orthophoto image has a resolution of 1/10000 corresponding to the second scale,
The computer
Reading out the orthophoto image
The first coordinate value is read, and the first coordinate value is set in an orthophoto image area of the third memory, and is executed by means for moving the center of the window to the determined position. The storage medium which memorize | stored the program for browsing of the sabo related information in any one of Claim 1, 2, 3 or 4.

2. The program for viewing sabo related information according to claim 1, wherein the operation tool box includes a button for displaying the second map and the orthophoto image with the scale in between. A storage medium that stores

Map of specific area, orthophoto image is saved as raster data, and caution area based on sabo related information is overlaid and displayed on these raster data, while the map and orthophoto image are displayed thinly on the display section. System for
The latitude and longitude show the map information of a specific area indicated by plane rectangular coordinate raster data, the map information of the raster data, the first memory map data projected by the first measure following scale of該地diagram information The first memory
Of the first map data, a map of a predetermined area where the orthophoto image exists is projected on a second scale (first scale> second scale ) corresponding to the resolution of the orthophoto image. 2 of map data, a second memory that stores the attached links in the predetermined area in the form of the raster data,
An aerial photograph of the predetermined area is converted into an orthophoto image based on the resolution corresponding to the second scale, and this is linked to the second map data in the format of the raster data and stored. Memory,
The sabo related information is a landslide disaster special warning area, a landslide disaster warning area, a debris flow inundation assumption area, a debris flow danger mountain area, a landslide danger area, a landslide danger area,
A fourth memory that defines the coordinate data of these areas in the rectangular coordinate system of the second map data and assigns a color density according to the type of the area, and stores this as data of the attention area;
Each map stored in advance, and displays an operation tool box with a scale for changing the color density of the orthophoto image, and means for notifying the bar OPERA fragile location of the scale,
The first map data is read from the first memory, displayed on the screen as a first map, and when the designation of the position occurs on the first map, the first map data of the second memory is displayed . Means for reading out the second map data of a scale of 2 by applying a window of a certain size and outputting it as a second map on the first map in a format to be displayed on the first map; ,
When the display designation of the orthophoto image is inputted on the second map, when the second map is displayed on the screen, the window is put on the orthophoto image of the third memory. Means for reading and outputting in a format for display on the second map;
When the second map or orthophoto image read out in the window is output, the density value of the bar position of the scale is obtained, and the first map, the second map or the ortho image is obtained according to the color density. A system for browsing sabo related information, characterized by comprising means for changing a photo image and outputting it to the screen.

The orthophoto image read in the window by inputting the coordinate data of the attention area from the fourth memory and changing the color density of this information to a preset color density of 30% to 80%. Means for displaying on the screen in a form to be overlaid on top,
The system for browsing sabo related information according to claim 7.

The first scale of the first map is 1 / 30,000, the second scale of the second map is 1 / 10,000,
Reading the second map data from the second memory
When the position is designated on the first map of the screen, the first scale is read, and the first coordinates obtained by converting the pixel coordinates of the designated position into the plane rectangular coordinate system based on the read scale Means for outputting a value;
A window having a size less than or equal to the size of the second map, and extracting the raster data of the second map data in the range;
A means for reading the first coordinate value, determining the first coordinate value in the second map data, and moving the center of the window to the determined position. 8. A system for browsing information related to sabo according to 8.

Reading the first map data is
A large map area including the specific area is stored as raster data having a constant scale (fixed scale> first scale) equal to or higher than the first scale, and the large map is displayed on the screen. 10. The system for browsing sabo related information according to claim 7, 8 or 9, wherein the first map data is read when a specific area is designated.

Reading out the orthophoto image
The first coordinate value is read, and the first coordinate value is set in an orthophoto image area of the third memory, and is executed by means for moving the center of the window to the determined position. The system for browsing sabo related information according to any one of claims 7, 8, 9 or 10.