LAS to LAS Tool: Difference between revisions

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Revision as of 02:34, 13 September 2023


LAS to LAS

The Las To Las tool filters and modifies points in LIDAR files. It can clip points to a rectangle or circle, clip them to a range of heights, drop returns and classifications, and set the classification of all points.

Input Parameters

  • Lidar file to process – A LIDAR file containing LIDAR data.
  • Clip points to a rectangle – Discard all points outside of a rectangle. Enables the following options to define the rectangle:
    • X coordinate of first point on rectangle
    • Y coordinate of first point on rectangle
    • X coordinate of second point on rectangle
    • Y coordinate of second point on rectangle
  • Clip points to a circle – Discard all points outside of a circle. Enables the following options to define the circle:
    • X coordinate of center of circle
    • Y coordinate of center of circle
    • Radius of circle
  • Clip points to a range of heights – Discard all points outside a range of heights. Enables the following options to define the range:
    • Minimum height
    • Maximum height
  • Drop returns – Whether and how to drop returns. Options are:
    • Don't drop returns
    • Keep only first return
    • Keep only last return
    • Drop a list of returns – Enables the following option:
      • List of returns to drop, separated by space – A space-separated list of returns to drop, e.g. "1 2 3" to drop returns 1, 2, and 3. You can also specify just one number to drop only that return.
  • Filter points by class – Whether and how to filter points by their classification. Options are:
    • Don't filter classes – No filtering is done.
    • Keep class – Keep only specified classifications. Enables Class to filter/drop option.
    • Drop class – Drop only specified classifications. Enables Class to filter/drop option.
  • Class to filter/drop – Space separated list of classes to filter or drop.
  • Set classification of points – Whether to set the classification of points in the file. If used, all points in the file will be set to the chosen classification. Enables the following option:
    • Classification to set points to – What classification to set the points to.

Output Parameters

  • Output file – Where to write the output file to.

Current Location in Toolbox

Lidar/LAS to LAS