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I have a world imagery layer that I want to clip to a single county. I would just save as a JPEG and edit using other software, but this uses a lot of processing power if I want a high resolution. I would like to clip the image before exporting to JPEG. Is this possible?

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Which software are you using? If you are using QGIS, you can see this question: gis.stackexchange.com/questions/10117/… –  jvangeld Mar 6 '13 at 22:07
    
I am using ArcMap 10.1 –  user15868 Mar 6 '13 at 22:09

2 Answers 2

To clip the Image layer, you firstly need a polygon feature class of your area of Interest.

Once You have the data, you can 'clip' the Raster Data using Extract By Mask. This would require a Spatial Analyst License. and would give you a raster containing the data inside your polygon.

If you require a Rectangular image, centered on your Area of Interest, you could use Extract By Rectangle.

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ERROR 000864: Input Raster: The input is not within the defined domain. ERROR 000863: Invalid GP data type. –  user15868 Mar 7 '13 at 16:08
    
I get these errors when I try to use my image as the input. (World Imagery.lyr). I am using a county shapefile as the extent or mask data. –  user15868 Mar 7 '13 at 16:10
    
Don't use the .lyr file as the input. Use the actual data. –  Devdatta Tengshe Mar 7 '13 at 16:15
    
How would I do that? I'm a novice on GIS, so forgive my ignorance. –  user15868 Mar 7 '13 at 17:14
    
I am unable to open the file to access any kind of data. I can only open it with GIS, which kind of treats it as an image. There are no subfolders, etc. –  user15868 Mar 7 '13 at 17:42

If this World Imagery layer is from the 'Add Data from ArcGIS Online', then you will not be able to clip or extract as indicated in the typically correct answer by @Devdatta Tengshe. There are other ways around it but will be in violation of the Terms of Use.

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That's why it won't work then. Thanks –  user15868 Mar 7 '13 at 19:05

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