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CLI Patch Command Reference

The ign-lidar patch command generates machine learning training patches from processed LiDAR point clouds.

Syntax​

ign-lidar patch [OPTIONS] INPUT_PATH OUTPUT_PATH

Basic Usage​

Generate Standard Patches​

ign-lidar patch enriched_data.las training_patches.h5

Custom Patch Size​

ign-lidar patch --patch-size 64 --overlap 0.3 input.las patches.h5

Command Options​

Patch Generation​

--patch-size​

Size of square patches in points. Default: 32

--overlap​

Overlap between adjacent patches (0.0-1.0). Default: 0.5

--min-points​

Minimum points required per patch. Default: 100

Output Options​

--output-format​

Output format for patches. Options: h5, npz, pkl Default: h5

--augmentation​

Enable data augmentation.

Processing Options​

--batch-size​

Processing batch size. Default: 10000

--num-workers​

Number of parallel workers.

Examples​

Basic Patch Generation​

ign-lidar patch --patch-size 48 --overlap 0.4 input.las patches.h5

High-Quality Training Data​

ign-lidar patch \
  --patch-size 64 \
  --overlap 0.3 \
  --min-points 200 \
  --augmentation \
  input.las training_data.h5