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Instructions provided describe how to use CONVERTIMAGE to change or edit TIFF header information. ArcMap uses the header information in a TIFF to georeference that image, and occasionally the information in the header causes problems with scale and georeference in ArcMap. Editing the header information is typically the safest way to solve such problems. This can be done by using CONVERTIMAGE at an Arc prompt to create a new TIFF.
In the example below, the input image is converted to a bitmap. Bitmaps do not support any header information; therefore, the world files for the image are used for reference when the bitmap is converted back to TIFF.
CONVERTIMAGE input1.tif output1.bmp BMP
For specifics on the CONVERTIMAGE command, refer to ArcDoc.
If the TIFF is compressed, use the NONE option in CONVERTIMAGE to get an uncompressed TIFF before converting to a bitmap.
World files, *.tfw, *.bpw, and so forth, can be created, viewed, and edited with any text editor, such as Notepad.