Normalize by DEM

Summary

The normalization tool can remove the influence of terrain relief on the elevation value of the point cloud data. This function requires that the extent of the DEM overlaps with the extent of the point cloud data. The normalization process is performed by subtracting the corresponding terrain elevation of the DEM from each point's Z value. The output of this function is similar to Normalize by Ground Class.

Lidar360 Normalization result

Usage

Click Data Management > Point Cloud Tools > Normalize by DEM

Lidar360 Normalization

Settings

  • Input Data: The input file can be a single point cloud data file or multiple data files. File Format: *.LiData.
  • Input DEM File: Users can select single or multiple single-band TIFF image files from the drop-down list. File format: *.tif.
  • Lidar360 DataAdd: Users can add external DEM file data.
  • Lidar360 DataDelete: Users can select a file in the list and click this button to remove the file from the list.
  • Lidar360 brush: Click this button to clear all the data in the list.
  • Add Z Value to Additional Attributes: Add the Z value of the current point cloud to the additional attribute table. If this option is not checked, then the normalized point cloud cannot be denormalized.
  • Output Path: Path of the output file. After the algorithm being executed, the new normalized file will be generated. When entering more than one file, the path will need to be set as a folder.

Note: The newly generated LiData files in normalized format default to the highest version supported by the current software (supporting registered attributes).

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