OpenDroneMap-NodeODM/scripts/postprocess.sh

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#!/bin/bash
# This file executes the post-processing steps for a task after a dataset
# has been processed by OpenDroneMap. It generates secondary outputs.
#
# As a general rule, post-processing commands should never fail the task
#(for example, if a point cloud could not be generated, the PotreeConverter
# step will fail, but the script should still continue processing the rest and
# return a 0 code). The idea is to post-process as much as possible, knowing
# that some parts might fail and that partial results should be returned in such cases.
if [ -z "$1" ]; then
echo "Usage: $0 <projectPath>"
exit 0
fi
# Switch to project path folder (data/<uuid>/)
script_path=$(realpath $(dirname "$0"))
cd "$script_path/../$1"
echo "Postprocessing: $(pwd)"
# Generate colored shaded relief for DTM/DSM files if available
dem_products=()
if [ -e "odm_dem/dsm.tif" ]; then dem_products=(${dem_products[@]} dsm); fi
if [ -e "odm_dem/dtm.tif" ]; then dem_products=(${dem_products[@]} dtm); fi
if hash gdaldem 2>/dev/null; then
for dem_product in ${dem_products[@]}; do
dem_path="odm_dem/""$dem_product"".tif"
gdaldem color-relief $dem_path $script_path/color_relief.txt "odm_dem/""$dem_product""_colored.tif" -alpha -co ALPHA=YES
gdaldem hillshade $dem_path "odm_dem/""$dem_product""_hillshade.tif" -z 1.0 -s 1.0 -az 315.0 -alt 45.0
python "$script_path/hsv_merge.py" "odm_dem/""$dem_product""_colored.tif" "odm_dem/""$dem_product""_hillshade.tif" "odm_dem/""$dem_product""_colored_hillshade.tif"
done
else
echo "gdaldem is not installed, will skip colored hillshade generation"
fi
# Generate Tiles
g2t_options="--processes $(nproc) -z 5-21 -n -w none"
orthophoto_path="odm_orthophoto/odm_orthophoto.tif"
if [ -e "$orthophoto_path" ]; then
python "$script_path/gdal2tiles.py" $g2t_options $orthophoto_path orthophoto_tiles
else
echo "No orthophoto found at $orthophoto_path: will skip tiling"
fi
for dem_product in ${dem_products[@]}; do
colored_dem_path="odm_dem/""$dem_product""_colored_hillshade.tif"
if [ -e "$colored_dem_path" ]; then
python "$script_path/gdal2tiles.py" $g2t_options $colored_dem_path "$dem_product""_tiles"
else
echo "No $dem_product found at $colored_dem_path: will skip tiling"
fi
done
# Generate point cloud (if entwine or potreeconverter is available)
pointcloud_input_path=""
for path in "odm_georeferencing/odm_georeferenced_model.laz" \
"odm_georeferencing/odm_georeferenced_model.las" \
"odm_filterpoints/point_cloud.ply" \
"opensfm/depthmaps/merged.ply" \
"smvs/smvs_dense_point_cloud.ply" \
"mve/mve_dense_point_cloud.ply" \
"pmvs/recon0/models/option-0000.ply"; do
if [ -e $path ]; then
echo "Found point cloud: $path"
pointcloud_input_path=$path
break
fi
done
# Never generate point cloud tiles with split-merge workflows
if [ -e "submodels" ] && [ -e "entwine_pointcloud" ]; then
pointcloud_input_path=""
echo "Split-merge dataset with point cloud detected. No need to regenerate point cloud tiles."
fi
if [ ! -z "$pointcloud_input_path" ]; then
# Convert the failsafe PLY point cloud to laz in odm_georeferencing
# if necessary, otherwise it will not get zipped
if [ "$pointcloud_input_path" == "odm_filterpoints/point_cloud.ply" ] || [ "$pointcloud_input_path" == "opensfm/depthmaps/merged.ply" ] || [ "$pointcloud_input_path" == "pmvs/recon0/models/option-0000.ply" ]; then
echo "Converting $pointcloud_input_path to odm_georeferencing/odm_georeferenced_model.laz, even though it's not georeferenced..."
if hash pdal 2>/dev/null; then
pdal translate -i "$pointcloud_input_path" -o "odm_georeferencing/odm_georeferenced_model.laz"
if [ -e "odm_georeferencing/odm_georeferenced_model.laz" ]; then
pointcloud_input_path="odm_georeferencing/odm_georeferenced_model.laz"
fi
else
echo "Cannot find pdal, skipping conversion"
fi
fi
if hash entwine 2>/dev/null; then
# Optionally cleanup previous results (from a restart)
if [ -e "entwine_pointcloud" ]; then
rm -fr "entwine_pointcloud"
fi
entwine build --threads $(nproc) --tmp "entwine_pointcloud-tmp" -i "$pointcloud_input_path" -o entwine_pointcloud
# Cleanup
if [ -e "entwine_pointcloud-tmp" ]; then
rm -fr "entwine_pointcloud-tmp"
fi
else
echo "Entwine is not installed, checking if PotreeConverter is available instead..."
if hash PotreeConverter 2>/dev/null; then
PotreeConverter "$pointcloud_input_path" -o potree_pointcloud --overwrite -a RGB CLASSIFICATION
else
echo "PotreeConverter is also not installed, will skip generation of Potree point cloud"
fi
fi
else
echo "Point cloud tiles will not be generated"
fi
echo "Postprocessing: done (•̀ᴗ•́)و!"
exit 0