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CAD tip CAD tip # 7087:

Question CAD 
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Q - question

How to reconstruct a world file from a raster image?

A - answer If you want to create a georeference "world" file from a precisely positioned raster image (picture, map) in your AutoCAD drawing, you can use the auxiliar command WORLDOUT from the "CADstudio GeoRefImg" LISP utility.

After you select a raster image (bitmap), this command automatically exports the relevant world file containing the georeference (TFW, PGW, GFW, JGW, EWW...) in the image file folder.

WorldOut works also in Map and Civil but do not use the image repositioning command from GeoRefImg.vlx there.

You can download the free GeoRefImg from

100% *  CAD 
1.12.2009    22258×  

See also:
Tip 12881:How to attach multiple raster images to my DWG in one go?
Tip 9564:What are the .TFWX world files?
Tip 9139:How to place GeoTIFF images automatically to right positions?
Tip 4540:Georeferenced images also in plain AutoCAD.
Tip 3515:What are the .TFW, .JGW or .PGW files?

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