jamie.finney

Invert Raster

Discussion created by jamie.finney on Aug 1, 2011
Latest reply on Aug 2, 2011 by timothy_hales-esristaff
Is it possible to invert a raster in ArcView + spatial analyst?

I can manually invert the raster using the following expression "(("Fac" - Z_Max) * -1) + Z_min" where z_max/min are manually looked up and replaced using the legend eg. (("Fac" - 1000) * -1) + 0.

however i've got lots of these to run in batch so i don't want to have to manually look up the values each time. i need to run the cost distance tool on these files so they can't have negative numbers my only option at the moment is to use generic min/max numbers then reclass any negative numbers to 0 which isn't ideal

this seems like a pretty straight forward task i'm sure there must be a better way.

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