Changes between Version 41 and Version 42 of Processing/LidarClassification

Timestamp:

May 1, 2018, 5:23:39 PM (8 years ago)

Author:

mark1

Comment:

--

Processing/LidarClassification

@@ -102 +102 @@
 batch_fw_class.py -v -c classified-directory -i unclassified-directory -o output-directory
 }}}
+
+=== Classify using hyperspectral data or a DSM ===
+
+You can use the HYLIGHT tool als_classify to classify LAS files using a reference DSM or including hyperspectral files or a classification file.
+Full instructions can be found in the [ manual] but some example commands:
+
+Fully classify points using a surface model and hyperspectral data:
+{{{
+als_classify --output classified_las  --hsclassification HS_class_mask.bsq  --vegheight --buildings  --alsfile unclassified_lidar_data.LAS  --refsurface my_reference_surface.bsq
+}}}
+
+Classify noisy points against a surface model:
+{{{
+als_classify --output classified_las  --alsfile unclassified_lidar_data.LAS   --refsurface my_reference_surface.bsq
+}}}
+
+==== using the wrapper ====
+
+To classify a directory of LAS files using a DSM only you can use the wrapper script classify_las_with_dem.py:
+{{{
+classify_las_with_dem.py --lidar unclassified_las_directory/ --dem dsm_in_same_projection_as_lidar.dem --output classified_las_directory/
+}}}