This command allows you to create a new shapefile that is composed of many identical sized cells. The shapefile will look like a fishnet of square or rectangular cells. One common use is to create an index grid.
You can download the zip file to any location, but make sure you unzip it to a safe folder that will not be deleted. Readme.txt has instructions for installing and using the command. You do not need to know anything about ArcObjects to use Fishnet. However, all of the source code is supplied in case you want to modify it.
The command works in either ArcMap or ArcCatalog, or in both. Your new shapefile will have the coordinate system defined, and will also have a spatial index. The output can be either a line or polygon shapefile.
Performance and other considerations are discussed in Readme.txt.
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