Kernel Density Workflows and Use Cases

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05-01-2017 12:11 PM
TimothyHales
Esri Notable Contributor

How are you using Kernel Density? I'd like to understand your workflows and use cases. Are you using the output raster only as a visual, or are you processing it further using a tool like Zonal Statistics? Thanks for your input!

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4 Replies
DanPatterson_Retired
MVP Emeritus

If I am working with points in that context, I prefer to use a Voronoi diagram or Delaunay triangulation since I can choose how to symbolize or interpret the intervening space between points.  Probably not what you are after, but I find density and interpolation representations of space a bit disconcerting in that the original point patterns are not retained and presented by default.  They may look nice, but are they representative.

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NeilAyres
MVP Alum

Forever the scientist

They may look nice, but are they representative.

Sometimes, a nice picture is all that is required....

I have used kernel densities quite a lot in the past, but you have to be careful about search radii and output cell sizes to be able to interpret the output correctly.

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DanPatterson_Retired
MVP Emeritus

Neil...

....but you have to be careful about search radii and output cell sizes...

you mean all the stuff that everyone ignores or has no clue about

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TimothyHales
Esri Notable Contributor

Also don't for get about the symbology classification methods as well. 

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