Tutorial on creating a custom index

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Cubert GmbH - Tutorial

Aim

After this tutorial, you will be able to create your self-defined index calculation, install it with Cubert Utils Touch as a plug-in and execute it on your own hyperspectral images.

Requirements

Prior getting started you will need

  • Cubert Utils Fuchsia (v. 2.1.0 or newer, available for download here)
  • Flight data from a Cubert Hyperspectral camera (please find sample data here)
  • XML Editor
    • free: Notepad++ with XML-Toolkit plug-in for XSD validaiton
    • Recommended: Visual Studio (for syntax completion)

Demo data

  • FLOWERS CU3 DATA
  • Trial version Cubert Utils 2.2.0 or newer

Steps

  1. Browse to the installation directory of Cubert Utils (2.1.0 or newer) and then <Install-Dir>  /Bin/user/plugin/ref
  2. Create an empty file tutorial.xml (Note: due to the file extensions it is easier to simply copy an existing XML file and then clear it)
  3. Open the file with an XML editor
  4. Optional: If you wish to see syntax highlighting and auto-completion, you need to link your file to the schema file located at: <Install-Dir> /Bin/xsd_schemes/userplugin.xsd
  5. Program the index as follows:
  6. Save the file
  7. (re-)start Cubert Utils Touch
  8. Navigate to the data you want to watch with the new index (or with a life camera: perform dark and white calibration)
  9. Switch to reflectance processing mode
  10. Select “Tutorial” view

Conclusion

Congratulations! You have created you first custom index (NDVI) and installed it to Cubert Utils Touch.

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