def merge_dems(dem_filename, human_name):
if not io.dir_exists(tree.path('odm_dem')):
system.mkdir_p(tree.path('odm_dem'))
dem_file = tree.path("odm_dem", dem_filename)
if not io.file_exists(dem_file) or self.rerun():
all_dems = get_submodel_paths(tree.submodels_path, "odm_dem", dem_filename)
log.ODM_INFO("Merging %ss" % human_name)
# Merge
dem_vars = utils.get_dem_vars(args)
eu_map_source = None # Default
# Use DSM's euclidean map for DTMs
# (requires the DSM to be computed)
if human_name == "DTM":
eu_map_source = "dsm"
euclidean_merge_dems(all_dems, dem_file, dem_vars, euclidean_map_source=eu_map_source)
if io.file_exists(dem_file):
# Crop
if args.crop > 0:
Cropper.crop(merged_bounds_file, dem_file, dem_vars,
keep_original=not args.optimize_disk_space)
log.ODM_INFO("Created %s" % dem_file)
if args.tiles:
generate_dem_tiles(dem_file, tree.path("%s_tiles" % human_name.lower()),
args.max_concurrency)
else:
log.ODM_WARNING("Cannot merge %s, %s was not created" % (human_name, dem_file))
else:
log.ODM_WARNING("Found merged %s in %s" % (human_name, dem_filename))
def process(self, args, outputs):
tree = outputs['tree']
reconstruction = outputs['reconstruction']
dem_input = tree.odm_georeferencing_model_laz
pc_model_found = io.file_exists(dem_input)
ignore_resolution = False
pseudo_georeference = False
if not reconstruction.is_georeferenced():
log.ODM_WARNING("Not georeferenced, using ungeoreferenced point cloud...")
ignore_resolution = True
pseudo_georeference = True
resolution = gsd.cap_resolution(args.dem_resolution, tree.opensfm_reconstruction,
gsd_error_estimate=-3,
ignore_gsd=args.ignore_gsd,
ignore_resolution=ignore_resolution,
has_gcp=reconstruction.has_gcp())
log.ODM_INFO('Classify: ' + str(args.pc_classify))
log.ODM_INFO('Create DSM: ' + str(args.dsm))
log.ODM_INFO('Create DTM: ' + str(args.dtm))
log.ODM_INFO('DEM input file {0} found: {1}'.format(dem_input, str(pc_model_found)))
# define paths and create working directories
odm_dem_root = tree.path('odm_dem')
if not io.dir_exists(odm_dem_root):
system.mkdir_p(odm_dem_root)
if args.pc_classify and pc_model_found:
pc_classify_marker = os.path.join(odm_dem_root, 'pc_classify_done.txt')
if not io.file_exists(pc_classify_marker) or self.rerun():
log.ODM_INFO("Classifying {} using Simple Morphological Filter".format(dem_input))
commands.classify(dem_input,
args.smrf_scalar,
args.smrf_slope,
args.smrf_threshold,
args.smrf_window,
verbose=args.verbose
)
with open(pc_classify_marker, 'w') as f:
f.write('Classify: smrf\n')
f.write('Scalar: {}\n'.format(args.smrf_scalar))
f.write('Slope: {}\n'.format(args.smrf_slope))
f.write('Threshold: {}\n'.format(args.smrf_threshold))
f.write('Window: {}\n'.format(args.smrf_window))
progress = 20
self.update_progress(progress)
if args.pc_rectify:
commands.rectify(dem_input, args.debug)
# Do we need to process anything here?
if (args.dsm or args.dtm) and pc_model_found:
dsm_output_filename = os.path.join(odm_dem_root, 'dsm.tif')
dtm_output_filename = os.path.join(odm_dem_root, 'dtm.tif')
if (args.dtm and not io.file_exists(dtm_output_filename)) or \
(args.dsm and not io.file_exists(dsm_output_filename)) or \
self.rerun():
products = []
if args.dsm or (args.dtm and args.dem_euclidean_map):
products.append('dsm')
if args.dtm:
products.append('dtm')
radius_steps = [(resolution / 100.0) / 2.0]
for _ in range(args.dem_gapfill_steps - 1):
radius_steps.append(radius_steps[-1] * 2) # 2 is arbitrary, maybe there's a better value?
for product in products:
commands.create_dem(
dem_input,
product,
output_type='idw' if product == 'dtm' else 'max',
radiuses=list(map(str, radius_steps)),
gapfill=args.dem_gapfill_steps > 0,
outdir=odm_dem_root,
resolution=resolution / 100.0,
decimation=args.dem_decimation,
verbose=args.verbose,
max_workers=args.max_concurrency,
keep_unfilled_copy=args.dem_euclidean_map
)
dem_geotiff_path = os.path.join(odm_dem_root, "{}.tif".format(product))
bounds_file_path = os.path.join(tree.odm_georeferencing, 'odm_georeferenced_model.bounds.gpkg')
if args.crop > 0:
# Crop DEM
Cropper.crop(bounds_file_path, dem_geotiff_path, utils.get_dem_vars(args),
keep_original=not args.optimize_disk_space)
if args.dem_euclidean_map:
unfilled_dem_path = io.related_file_path(dem_geotiff_path, postfix=".unfilled")
if args.crop > 0:
# Crop unfilled DEM
Cropper.crop(bounds_file_path, unfilled_dem_path, utils.get_dem_vars(args),
keep_original=not args.optimize_disk_space)
commands.compute_euclidean_map(unfilled_dem_path,
io.related_file_path(dem_geotiff_path, postfix=".euclideand"),
overwrite=True)
if pseudo_georeference:
pseudogeo.add_pseudo_georeferencing(dem_geotiff_path)
if args.tiles:
generate_dem_tiles(dem_geotiff_path, tree.path("%s_tiles" % product), args.max_concurrency)
progress += 30
self.update_progress(progress)
else:
log.ODM_WARNING('Found existing outputs in: %s' % odm_dem_root)
else:
log.ODM_WARNING('DEM will not be generated')