You might be surprised to learn that ArcMap has two methods for clipping rasters. The “raster clip” or “Clip Raster Arcgis Polygon” tool in ArcToolbox is the traditional method. This has been the only one accessible for a long time.
However, from version 10, there has been a “Image Analysis” toolbar accessible. This utility also has a clipping tool for rasters and pictures.
The biggest benefit of using the image analysis toolbar is that you may preview the final result before exporting it!
By cutting a piece of the IGN orthophoto shoreline with the borders of the Pont Aven community, we will discuss both ways.
First method: ArcToolbox:
Double-click the clip tool in ArcToolbox (Data Management> Raster> Raster Processing> Clip)
Fill in the following fields:
1.raster for input (required)
2.It’s the raster from which a portion should be extracted.
3 The raster “2011-1820-6787-OL-RGB-L93.jp2” has to be clipped.
The output range (optional) specifies the polygon’s maximum size. You can choose certain records from the polygon data set to clip, and the clipping will be done inside that boundary. We choose the polygon that corresponds to the municipality of Pont-Aven in our situation.
Check the option that says “use the entities as clipping input.” This option instructs ArcMap to utilize the records specified in the polygons layer. If this option is not selected, all polygons in the scene are clipping mimics.
Output of a Raster Data Set This is the output’s name (clipped raster). Add an output extension (.tif,.img,.jpg, etc.) since the extension entered here controls the output raster.
Data Value NoData (optional) All pixels that are outside the clipping limit will be assigned a NoData value by default. These pixels will not display when you load the raster. This may be altered by assigning a different value to it.
By selecting OK, you may start the tool. The Pont Aven polygon will be used to trim the output raster.
You will adore this strategy if you have to know with LIDAR data!!!
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