August 31 2009 |
Please kindly tell me how can i clip raster image or tin by polygon with different shape but not to rectangle shape.
Mapping Center Answer:
You can clip a raster to a polygon with a different shape other than a rectangle by using the New Polygon tool in the Draw toolbar.
Using the New Polygon tool, draw the shape that you want.
Right click the raster dataset in the Table of Contents and select Data > Export Data. In the Export Raster Data window under Extent choose the option Selected Graphics (Clipping).
You should now have a resulting raster that is the same extent as the graphic that you drew.
For more information on exporting and converting raster datasets, visit: http://webhelp.esri.com/arcgisdesktop/9.3/index.cfm?id=3133&pid=3127&topicname=Exporting_or_converting_raster_datasets
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