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Slope calculation

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01-15-2012 05:05 AM
Andrei_SebastianSasu
Emerging Contributor
Hello

I'm new to ArcGIS but I study hard to learn. Well, I have a problem. I've created a TIN surface from contours. I want to calculate the slope in degrees and percentage. I have converted the TIN surface to Raster data. Then, in ArcCatalog in toolbox, from 3D Analyst - > Raster Surface - > Slope.

The question is... Why when I convert the TIN to Raster with 10.89 cell size, the slope calculation is working. But when I convert the TIN to raster with, for example 1 or less cell size, the Slope calculation won't work. It showes me values like: "3.4135+E0..".

And are any ways to calculate the slope? The next thing I have to do, is to create a path or a road with the slope values. Is there any way to correlate them in model builder?

Thanks

Have a nice day
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