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On-the-fly Image Processing in ArcGIS

Learn about on-the-fly image processing in ArcGIS, including raster functions, function editor, raster function models, sharing functions, and custom image processing techniques.

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On-the-fly Image Processing in ArcGIS

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  1. On-the-fly Image Processing in ArcGIS Prashant Mangtani Simon Woo

  2. Overview • Introduction to raster functions • Function editor • Raster function models • Sharing functions • Custom

  3. Image Processing • Transform pixels to create meaningful information products

  4. Traditional Image Processing Intermediary raster Intermediary raster Output raster Source rasters

  5. On-the-fly image processing f(x) f(x) f(x) Output raster Source rasters

  6. What is on-the-fly processing? What are the advantages of on-the-fly processing? • Save space • No intermediary data • No redundant data • Source pixels are referenced • Save time • Immediate results • No data written to disk • Easy to use

  7. What is a raster function? • A raster function performs on-the-fly processing on a raster • (Geoprocessing tools perform processing, but not on-the-fly) • The easiest way to use a raster function is to use a raster product • You can also easily use raster functions to produce your own meaningful results • Located on the Raster Functions pane in ArcGIS Pro • Located on the Image Analysis window in ArcMap

  8. Linking functions together • Just like traditional processing, you can also link raster functions together to create raster function chains. • You can keep adding on-the-fly processes to a single layer • Or you can use the Function Editor to create a complex chain, just like Model Builder

  9. Demo Raster functions and Function Editor

  10. Demo Raster functions and Function Editor

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