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Problem in using Math(abs)

Question asked by ShiuliPervin on Jun 18, 2014
Latest reply on Jun 18, 2014 by Dan_Patterson
I have a raster with Pixel values ranges from High : 0,187477 to Low : -1,14927. I want to avoid negetive Value without altering the value of Pixel. I tried to use math(abs). But the out raster give the pixel values ranges from High:1.14927 and low:0.0379639 that are not same as original. Could anyone tell me How it works?