#Canopy height model

2 posts

Tutorial Python

Canopy height map in Python: Meta 1 m and ETH 10 m maps checked against UK LiDAR (Forest of Dean)

Read the open Meta/WRI global 1 m canopy height map from AWS with no login, compare it with ETH Global Canopy Height 2020, and validate both against a canopy height model made from Environment Agency LiDAR in the Forest of Dean: CRS alignment, bias, RMSE, hexbin plots, height classes and honest limitations.

Intermediate 17 min read 21 October 2026

Tutorial Python

LiDAR point clouds in Python with laspy: from a LAZ file to a DTM, DSM and canopy height model

Stream free USGS 3DEP lidar of Washington, D.C., read and inspect a LAZ file with laspy, remove noise, grid the points into a 1 m DTM, DSM and canopy height model, and use the result to measure the Washington Monument to within 44 cm.

Intermediate 10 min read 15 October 2026