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How to fill "holes" in Raster / Polygon?

JosuaInauen

Is there a way to automatically fill such holes which aren't really holes?

Thx in advance!

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Accepted answers

DanPatterson_Retired

Or for the case being shown...

Expand the raster (maybe by 2 cells) the buffer equivalent for rasters, then a
Shrink the result of the above by the same amount

This Expand/Shrink sequence can be used to get rid of inner inclusions and exterior fiddly-bits as well. You can repeat the above overwriting the temporary grids, It is an alternative to pointing at the screen and saying get rid of that bit

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Alena

We use the Fill tool. Spatial Analyst Tools > Hydrology > Fill

DavidPike

For a vector, a handy trick is to use the Union geoprocessing tool with only one input and the 'allow gaps' option disabled. It is however a bit temperamental.

SteveLynch

You could use the Con tool

DavidPike

How would this be implemented Steve? is there some way to look for containment?

DanPatterson_Retired

Or for the case being shown...

Expand the raster (maybe by 2 cells) the buffer equivalent for rasters, then a
Shrink the result of the above by the same amount

JosuaInauen

Many thanks! Exactly what i needed:)

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