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AddSurfaceInformation slope units

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06-05-2014 07:38 AM
MaikeHeuner
Emerging Contributor
Hi,

I use the tool AddSurfaceInformation (3DAnayst) in ArcGIS 10.0. In its help is written : "Slope values for line features are calculated as a percent, or grade, for each line segment." When I open the tool for loading the data, I can't choose the slope unit. So calculating the slopes for polylines, in what unit is the slope calculated? In percent or grade? The help of ArcGIS 10.1 is also weird to me with the expression in brackets: "Slope values are measured in percentage units (grade) and, for line features, get calculated at each segment along the line." Is it not a case of either or? My slope values are small values.
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3 Replies
MaikeHeuner
Emerging Contributor
Please, is there anybody who can tell me what slope unit is used in the tool AddSurfaceInformation? Grade (degree) or percentage?
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KhalidDuri1
Esri Contributor
Hello Heuner,

Grade in this context is indicated in percent units, not degree.
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MaikeHeuner
Emerging Contributor
Thank you very much for answering!
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