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How To: Clip a MrSID file in ArcMap

Summary

The instructions provided describe how to clip a MrSID (.sid) file in ArcMap.

Procedure

Use one of the following solutions to clip a .sid file in ArcMap.

Option A: Use Image Analysis to clip the .sid file to the desired extent. This process creates a new layer with the same format:

1. Start ArcMap.

2. Open the .sid file.

3. Zoom in to the desired extent.

4. Click the Windows tab, and select Image Analysis.
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5. Check the desired .sid file, and select the file.

6. Under Processing, click Clip.
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Option B: Export the raster to the desired file type, clipped to the desired extent:

1. Follow steps 1, 2, and 3 in Option A.

2. In the Table Of Contents, right-click the raster name.

3. Point the cursor to Data, and select Export Data.
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4. Under Extent, click the Data Frame (Current) button.

5. From the Format drop-down list, select the desired export format.
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6. Click Save.

7. If the Output Raster window explaining to add NoData pixels displays, click No.
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8. Click Yes to add the exported layer to the map as a layer.

Option C: Draw a graphic, and use the graphic as the clip boundary and export the raster to the desired file type:

1. Follow steps 1 and 2 from Option A.

2. Click the Customize tab, point the cursor to Toolbars, and check Draw to turn on the Draw toolbar.
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3. From the toolbar, select the desired shape to draw as a boundary.
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4. Draw the graphic at the desired part of the raster to be clipped.
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Note:
Under Extent, the Selected Graphics (Clipping) option is selected by default if the graphic is still selected.
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5. Follow steps 3 through 8 in Option B.

6. Delete the graphic to expose the clipped image.

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