How to delineate an area that has a certain slope

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11-26-2022 08:52 AM
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FidelTedla
New Contributor III

Hi,

I am using ArcGISPro 2.8.0.

I have point and raster elevation data. I am looking to calculate the slope around each point and delineate the boundaries of the area (around the point) where the slope is less than 5%.

What tools/workflow can be used?

Thanks

Fidel

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DanPatterson
MVP Esteemed Contributor

Con (Spatial Analyst)—ArcGIS Pro | Documentation

Con(Raster("slope") < 5, 1, 0)

Will give you the areas where slope is < 5

If you want to differentiate them you could look into RegionGroup or perhaps convert to vector, then use the  MultiPartToSinglePart tool to get individual areas.  A Spatial Join can associate the areas to the points.


... sort of retired...

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DanPatterson
MVP Esteemed Contributor

Con (Spatial Analyst)—ArcGIS Pro | Documentation

Con(Raster("slope") < 5, 1, 0)

Will give you the areas where slope is < 5

If you want to differentiate them you could look into RegionGroup or perhaps convert to vector, then use the  MultiPartToSinglePart tool to get individual areas.  A Spatial Join can associate the areas to the points.


... sort of retired...
FidelTedla
New Contributor III

Thanks Dan.

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