filters.decimation

The decimation filter retains every Nth point from an input point view.

Example

<?xml version="1.0" encoding="utf-8"?>
<Pipeline version="1.0">
  <Writer type="writers.las">
    <Option name="filename">smaller.las</Option>
    <Filter type="filters.decimation">
      <Option name="step">10</Option>
      <Reader type="readers.las">
          <Option name="filename">larger.las</Option>
      </Reader>
    </Filter>
  </Writer>
</Pipeline>

See also

filters.voxelgrid provides grid-style point decimation.

Options

step
Number of points to skip between each sample point. A step of 1 will skip no points. A step of 2 will skip every other point. A step of 100 will reduce the input by ~99%. [Default: 1]
offset
Point index to start sampling. Point indexes start at 0. [Default: 0]
limit
Point index at which sampling should stop (exclusive). [Default: No limit]