meghan3357

Creating GRID STACKS

Discussion created by meghan3357 on Jul 1, 2010
Hi,

I am trying to analyse across a large number of raster layers with depth and velocity data obtained from flood modelling. I have 360 raster layers per flood scenario which i would like to compare. Ultimately i would like to write a code for this - if someone has already done this please let me know.

But in the short term, how could i use the raster calculator to just contrast 3 to start with?
I have typed in this expression but it continues to fail or produce invalid raster data:

MAKESTACK C:\tempgis\stack LIST [m2_30h][m2_60h][m2_90h]

This is for version 9.1.

Please help if you can,

Meg

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