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simplifying the outline of a complex feature

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12 hours ago
RichardMorris
Emerging Contributor

Hi, I have a raster showing river inundation (attached 'raster') which I'd like to transform into a simple polygon shape for ongoing presentation use. I've converted the raster to a polygon and tried Dissolve, but am still left with a complex shape with holes inside etc. (polygon).

Can anyone suggest a smoothing function or similar that will outpur a more simple feature?

Thanks.

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1 Reply
BobBooth1
Esri Contributor

You could clean up the raster with raster tools a bit before converting to polygon.

For example, see the linked section of a tutorial here:

https://learn.arcgis.com/en/projects/classify-land-cover-to-measure-shrinking-lakes/#clean-up-the-cl...

See also this help topic:

https://pro.arcgis.com/en/pro-app/latest/tool-reference/spatial-analyst/smoothing-zone-edges-with-bo...

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