.coo file extension
- (Bounding) Coordinates file.
Contains information to geo-code an image (showing where the image exists in
.coo files are generated and used by AutoCAD, and are also known as cookie files where each cookie file will relate to a single raster file.
A .coo file is a text editable file, and contains the bounding coordinates for a geocoded image/raster file in Cartesian space (for use when for example loading into a mapping system.)
A coo file contains 9 lines, such as:
File name: 5154.tif File type: TIFF B&W PACKBITS LLX: 96000 LLY: 133000 URX: 100000 URY: 136000 Resolution 0.2 Columns 20000 Lines 15000
Each line provides the following information:
Line 1: File name The name of the image/raster file. In the example above the image file is a .tif file but it could be other types of image file or a .dwg file. Line 2: File type Line 3: LLX X-Coordinate (or Easting) of the pixel at the lower left corner. Line 4: LLY Y-Coordinate (or Northing) of the pixel at the lower left corner. Line 5: URX X-Coordinate (or Easting) of the pixel at the upper right corner. Line 6: URY Y-Coordinate (or Northing) of the pixel at the upper right corner. Line 7: Resolution Scale, indicating the effective height/width of each pixel in physical units. In the example above, each pixel corresponds to an area of 0.2m2 Line 8: Columns The width of the image in pixels. Line 9: Lines The height of the image in pixels.
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