Image Geographic Coordinate Reference File

Feature Description

When importing or exporting image files, the geographic coordinate reference file can be used to obtain or provide GCS reference information for raster files that lack GCS records. During image import, this file specifies GCS information for image data. When exporting image files, it outputs GCS information for image datasets. This geographic coordinate reference file can be opened and edited using Notepad.

desktop products support TFW format geographic coordinate reference files.

Tiff Geography Reference File (*.tfw), TIFF GCS File (Example and description below)

25

The X-resolution of a pixel in the X direction on the map

0

Rotation component in X direction

0

Rotation component in Y direction

-25

Negative value of Y-resolution of a pixel in Y direction

18263450.000000

X-coordinate of the center of pixel 1,1

3658590.000000

Y-coordinate of the center of pixel 1,1