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ENVI

Reproject LAS File Sample Code

Reproject LAS File Sample Code

This sample shows how to reproject LAS file output.

Use the sample code to become familiar with extensions. This sample provides information on how to:

  • Specify an input .las or .laz file, if one is not open.
  • Specify an output location and .las output type.
  • Reproject the data.
  • Write the reprojected points with projection information to a new .las file.

View the Sample Code


  1. Start the IDL Workbench.
  2. Select File > Open and navigate to the PRO Code file C:\Program Files\Harris\ENVIxx\examples\lidar\reproject_las_file.pro. The file opens in the IDL Workbench.

Run the Sample Code from the ENVI Toolbox


  1. Copy the PRO code source file C:\Program Files\Harris\ENVIxx\examples\lidar\reproject_las_file.pro to a directory that ENVI searches for extensions. See Deploy Extensions for directory information.

  2. Launch ENVI+IDL by clicking ENVI+IDL from the Windows Start menu.
  3. In the ENVI Toolbox, select Extensions > LiDAR > Samples and double-click Reproject LAS File.

Note: Depending on your user account privileges, you may not be able to save changes to the sample extensions. Refer to Toolbox Extensions for information on copying the samples to a user-writeable location.



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