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Recast function

The Recast function is used to dynamically modify the function parameter used in a mosaic dataset or image service without physically persisting the changes.

The Recast function contains a list of variable names and corresponding values you can change to. For example, a mosaic dataset may contain pansharpened rasters that are added using a pansharpen template. To display a mosaic or image service published from the mosaic with different pansharpen weights without modifying the mosaic dataset, you can define a Recast function with the following name and values:

NameValue

Weights

0.37 0.23 0.4

Once you set the values, save it as a template. You can then access the mosaic dataset with the template by adding the template as a mosaic dataset property.

The names of these keywords can be found under the Variable Manager tab of the Raster Function Properties window. Following is a set of steps that shows how to find the name of your keywords.

  1. In ArcMap, click Customize, and choose Customize Mode.
  2. Click the Commands tab.
  3. Type Raster Function Template Editor.
  4. Highlight the Raster Function Template Editor command, and drag it to any existing toolbar.
  5. Click Close on the Customize window.
  6. Click the Raster Function Template Editor button that you dragged onto your toolbar.
  7. Right-click Identify, point to Insert Function, and choose the function you want to recast. For example, choose Pansharpening Function.
  8. Click the Variable Manager tab. The Argument field contains the names you can use in the Name field within the Recast function.

  • Using the Recast on the LAS Dataset function

Related Topics

  • What are the functions used by a raster or mosaic dataset?
  • Editing function chains in a mosaic dataset
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