Show the difference between two surfaces

monkey5672monkey5672 Global Mapper UserPosts: 6
edited September 2012 in Elevation Data
Hi,

I have two data sets (existing and proposed condistions of a closed mine site). Just wondering if there's any easy way to create a surface or point grid showing the difference between the two surfaces?

Example: current surface elevation 192 m, proposed surface elevation 190 m, different 2m.

Any ideas? I am working in version 11, but also have Arcgis desktop and Surfer to work with.

Thanks! -jm

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