kopia lustrzana https://github.com/OpenDroneMap/ODM
134 wiersze
6.1 KiB
Python
134 wiersze
6.1 KiB
Python
import os
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from opendm import io
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from opendm import log
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from opendm import system
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from opendm import context
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from opendm import types
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from opendm import gsd
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from opendm import orthophoto
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from opendm.concurrency import get_max_memory
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from opendm.cropper import Cropper
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from opendm.cutline import compute_cutline
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class ODMOrthoPhotoStage(types.ODM_Stage):
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def process(self, args, outputs):
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tree = outputs['tree']
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reconstruction = outputs['reconstruction']
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verbose = '-verbose' if args.verbose else ''
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# define paths and create working directories
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system.mkdir_p(tree.odm_orthophoto)
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if not io.file_exists(tree.odm_orthophoto_file) or self.rerun():
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# odm_orthophoto definitions
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kwargs = {
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'bin': context.odm_modules_path,
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'log': tree.odm_orthophoto_log,
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'ortho': tree.odm_orthophoto_file,
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'corners': tree.odm_orthophoto_corners,
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'res': 1.0 / (gsd.cap_resolution(args.orthophoto_resolution, tree.opensfm_reconstruction, ignore_gsd=args.ignore_gsd) / 100.0),
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'verbose': verbose
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}
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# Have geo coordinates?
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georef = reconstruction.georef
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# Check if the georef object is initialized
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# (during a --rerun this might not be)
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# TODO: we should move this to a more central
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# location (perhaps during the dataset initialization)
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if georef and not georef.utm_east_offset:
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georeferencing_dir = tree.odm_georeferencing if args.use_3dmesh and not args.skip_3dmodel else tree.odm_25dgeoreferencing
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odm_georeferencing_model_txt_geo_file = os.path.join(georeferencing_dir, tree.odm_georeferencing_model_txt_geo)
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if io.file_exists(odm_georeferencing_model_txt_geo_file):
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georef.extract_offsets(odm_georeferencing_model_txt_geo_file)
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else:
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log.ODM_WARNING('Cannot read UTM offset from {}. An orthophoto will not be generated.'.format(odm_georeferencing_model_txt_geo_file))
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if georef:
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if args.use_3dmesh:
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kwargs['model_geo'] = os.path.join(tree.odm_texturing, tree.odm_georeferencing_model_obj_geo)
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else:
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kwargs['model_geo'] = os.path.join(tree.odm_25dtexturing, tree.odm_georeferencing_model_obj_geo)
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else:
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if args.use_3dmesh:
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kwargs['model_geo'] = os.path.join(tree.odm_texturing, tree.odm_textured_model_obj)
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else:
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kwargs['model_geo'] = os.path.join(tree.odm_25dtexturing, tree.odm_textured_model_obj)
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# run odm_orthophoto
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system.run('{bin}/odm_orthophoto -inputFile {model_geo} '
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'-logFile {log} -outputFile {ortho} -resolution {res} {verbose} '
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'-outputCornerFile {corners}'.format(**kwargs))
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# Create georeferenced GeoTiff
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geotiffcreated = False
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if georef and georef.projection and georef.utm_east_offset and georef.utm_north_offset:
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ulx = uly = lrx = lry = 0.0
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with open(tree.odm_orthophoto_corners) as f:
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for lineNumber, line in enumerate(f):
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if lineNumber == 0:
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tokens = line.split(' ')
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if len(tokens) == 4:
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ulx = float(tokens[0]) + \
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float(georef.utm_east_offset)
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lry = float(tokens[1]) + \
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float(georef.utm_north_offset)
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lrx = float(tokens[2]) + \
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float(georef.utm_east_offset)
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uly = float(tokens[3]) + \
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float(georef.utm_north_offset)
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log.ODM_INFO('Creating GeoTIFF')
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orthophoto_vars = orthophoto.get_orthophoto_vars(args)
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kwargs = {
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'ulx': ulx,
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'uly': uly,
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'lrx': lrx,
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'lry': lry,
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'vars': ' '.join(['-co %s=%s' % (k, orthophoto_vars[k]) for k in orthophoto_vars]),
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'proj': georef.projection.srs,
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'png': tree.odm_orthophoto_file,
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'tiff': tree.odm_orthophoto_tif,
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'log': tree.odm_orthophoto_tif_log,
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'max_memory': get_max_memory(),
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}
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system.run('gdal_translate -a_ullr {ulx} {uly} {lrx} {lry} '
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'{vars} '
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'-a_srs \"{proj}\" '
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'--config GDAL_CACHEMAX {max_memory}% '
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'{png} {tiff} > {log}'.format(**kwargs))
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bounds_file_path = os.path.join(tree.odm_georeferencing, 'odm_georeferenced_model.bounds.gpkg')
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# Cutline computation, before cropping
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# We want to use the full orthophoto, not the cropped one.
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if args.orthophoto_cutline:
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compute_cutline(tree.odm_orthophoto_tif,
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bounds_file_path,
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os.path.join(tree.odm_orthophoto, "cutline.gpkg"),
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args.max_concurrency,
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tmpdir=os.path.join(tree.odm_orthophoto, "grass_cutline_tmpdir"))
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if args.crop > 0:
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Cropper.crop(bounds_file_path, tree.odm_orthophoto_tif, orthophoto_vars)
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if args.build_overviews:
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orthophoto.build_overviews(tree.odm_orthophoto_tif)
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geotiffcreated = True
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if not geotiffcreated:
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log.ODM_WARNING('No geo-referenced orthophoto created due '
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'to missing geo-referencing or corner coordinates.')
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else:
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log.ODM_WARNING('Found a valid orthophoto in: %s' % tree.odm_orthophoto_file)
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