I'm looking for a tool similar to Erase_analysis but for raster source instead of a feature class. The clip feature is still vector. That is the opposite of Clip_management (leaving a hole of NoData in the result). I have found three ways to do it so far, but they all seem a little cumbersome, and I'm looking for something simpler. My possible workarounds are so far:* Convert clip feature class to raster, and call SetNull * Create a feature class from raster extent, call erase with clip feature class, and then Clip Raster * Same as above but ExtractByMask instead of Clip Raster Is there anyone out there with a better idea on how to accomplish this task? I Have ArcGIS 10 / ArcInfo with spatial to play with.

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Erase but for raster

NiklasNorrthon

I'm looking for a tool similar to Erase_analysis but for raster source instead of a feature class. The clip feature is still vector. That is the opposite of Clip_management (leaving a hole of NoData in the result). I have found three ways to do it so far, but they all seem a little cumbersome, and I'm looking for something simpler.

My possible workarounds are so far:

Convert clip feature class to raster, and call SetNull
Create a feature class from raster extent, call erase with clip feature class, and then Clip Raster
Same as above but ExtractByMask instead of Clip Raster

Is there anyone out there with a better idea on how to accomplish this task?

I Have ArcGIS 10 / ArcInfo with spatial to play with.

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mTylerH

I think you could just set the extent environment variable to be the extent of the "OriginalRaster" before performing the Raster Calculation and that should solve the issue.

https://desktop.arcgis.com/en/arcmap/latest/tools/environments/output-extent.htm

nmasto

I know this is really old, but this answer was perfect, EXCEPT how do you preserve the shape of the original raster? I performed this operation and the "new raster" was clipped by the extent of the "EraseRaster" when really, I'd like the extent of the "OriginalRaster".

ChrisStarbird1

I don't see who originally posted this solution, but thanks. It saved me from having to brush up on my raster calculator. Thanks.

JoshuaTrygg

Additionally this can be achieved using Raster Calculator:

SetNull( Not(IsNull( [EraseRaster] )), [OriginalRaster] )

Note that Not must be replaced with ~ in Arc 10.

This was EXACTLY what I needed! Thanks so much for sharing!

ThomasLaxson

I know this is an old question, but I just encountered a need for this functionality as well, so I thought I'd share my solution:

Use Extract By Polygon, and set the extraction area parameter to 'OUTSIDE'. See: http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/Extract_by_Polygon/009z0000002q000000/

No need to convert between vector and raster and run a series of clips and reclassifications. Just one tool and done.

NiklasNorrthon

Yes I know about that one. Forgot to mention it. It does exactly what I want. My problem is only that this is one little step in a huge model. So I what I need is that functionality but as a toolbox tool, so I can connect it with other tool.

Thanks for mention it anyway.

RobertBerger

Greetings,

Have you looked at the Image Analysis window and the clip / mask buttons? They are very easy to use and give you quick results.
The window is new at 10.0 and can be accessed from windows > Image Analysis.

Robert

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