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I have downloaded the MODIS data for calculating the NDVi but the ranges of values in its attribute table ranges from -32768 to 9830 i want to club the similar values upto 2 decimal places and also want to multiply these values with scaling factor of 0.0001

Could somebody please help by expalining me how to do this in erdas

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i dont know what version of erdas are you using, but in erdas 2011:

go to raster - > radiometric -> rescale and choose your min/max values and it will stretch all values. i dont know about the 2 decimal format.

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