Пример #1
0
    def process(self, args, outputs):
        tree = outputs['tree']
        reconstruction = outputs['reconstruction']
        photos = reconstruction.photos

        if not photos:
            log.ODM_ERROR('Not enough photos in photos array to start OpenSfM')
            exit(1)

        octx = OSFMContext(tree.opensfm)
        octx.setup(args,
                   tree.dataset_raw,
                   photos,
                   reconstruction=reconstruction,
                   rerun=self.rerun())
        octx.extract_metadata(self.rerun())
        self.update_progress(20)
        octx.feature_matching(self.rerun())
        self.update_progress(30)
        octx.reconstruct(self.rerun())
        octx.extract_cameras(tree.path("cameras.json"), self.rerun())
        self.update_progress(70)

        if args.optimize_disk_space:
            for folder in ["features", "matches", "exif", "reports"]:
                folder_path = octx.path(folder)
                if os.path.islink(folder_path):
                    os.unlink(folder_path)
                else:
                    shutil.rmtree(folder_path)

        # If we find a special flag file for split/merge we stop right here
        if os.path.exists(octx.path("split_merge_stop_at_reconstruction.txt")):
            log.ODM_INFO("Stopping OpenSfM early because we found: %s" %
                         octx.path("split_merge_stop_at_reconstruction.txt"))
            self.next_stage = None
            return

        if args.fast_orthophoto:
            output_file = octx.path('reconstruction.ply')
        elif args.use_opensfm_dense:
            output_file = tree.opensfm_model
        else:
            output_file = tree.opensfm_reconstruction

        updated_config_flag_file = octx.path('updated_config.txt')

        # Make sure it's capped by the depthmap-resolution arg,
        # since the undistorted images are used for MVS
        outputs['undist_image_max_size'] = max(
            gsd.image_max_size(photos,
                               args.orthophoto_resolution,
                               tree.opensfm_reconstruction,
                               ignore_gsd=args.ignore_gsd,
                               has_gcp=reconstruction.has_gcp()),
            args.depthmap_resolution)

        if not io.file_exists(updated_config_flag_file) or self.rerun():
            octx.update_config({
                'undistorted_image_max_size':
                outputs['undist_image_max_size']
            })
            octx.touch(updated_config_flag_file)

        # These will be used for texturing / MVS
        if args.radiometric_calibration == "none":
            octx.convert_and_undistort(self.rerun())
        else:

            def radiometric_calibrate(shot_id, image):
                photo = reconstruction.get_photo(shot_id)
                return multispectral.dn_to_reflectance(
                    photo,
                    image,
                    use_sun_sensor=args.radiometric_calibration ==
                    "camera+sun")

            octx.convert_and_undistort(self.rerun(), radiometric_calibrate)

        self.update_progress(80)

        if reconstruction.multi_camera:
            # Dump band image lists
            log.ODM_INFO("Multiple bands found")
            for band in reconstruction.multi_camera:
                log.ODM_INFO("Exporting %s band" % band['name'])
                image_list_file = octx.path("image_list_%s.txt" %
                                            band['name'].lower())

                if not io.file_exists(image_list_file) or self.rerun():
                    with open(image_list_file, "w") as f:
                        f.write("\n".join([p.filename
                                           for p in band['photos']]))
                        log.ODM_INFO("Wrote %s" % image_list_file)
                else:
                    log.ODM_WARNING(
                        "Found a valid image list in %s for %s band" %
                        (image_list_file, band['name']))

                nvm_file = octx.path(
                    "undistorted",
                    "reconstruction_%s.nvm" % band['name'].lower())
                if not io.file_exists(nvm_file) or self.rerun():
                    octx.run('export_visualsfm --points --image_list "%s"' %
                             image_list_file)
                    os.rename(tree.opensfm_reconstruction_nvm, nvm_file)
                else:
                    log.ODM_WARNING(
                        "Found a valid NVM file in %s for %s band" %
                        (nvm_file, band['name']))

        if not io.file_exists(tree.opensfm_reconstruction_nvm) or self.rerun():
            octx.run('export_visualsfm --points')
        else:
            log.ODM_WARNING(
                'Found a valid OpenSfM NVM reconstruction file in: %s' %
                tree.opensfm_reconstruction_nvm)

        self.update_progress(85)

        # Skip dense reconstruction if necessary and export
        # sparse reconstruction instead
        if args.fast_orthophoto:
            if not io.file_exists(output_file) or self.rerun():
                octx.run('export_ply --no-cameras')
            else:
                log.ODM_WARNING("Found a valid PLY reconstruction in %s" %
                                output_file)

        elif args.use_opensfm_dense:
            if not io.file_exists(output_file) or self.rerun():
                octx.run('compute_depthmaps')
            else:
                log.ODM_WARNING("Found a valid dense reconstruction in %s" %
                                output_file)

        self.update_progress(90)

        if reconstruction.is_georeferenced() and (not io.file_exists(
                tree.opensfm_transformation) or self.rerun()):
            octx.run('export_geocoords --transformation --proj \'%s\'' %
                     reconstruction.georef.proj4())
        else:
            log.ODM_WARNING("Will skip exporting %s" %
                            tree.opensfm_transformation)

        if args.optimize_disk_space:
            os.remove(octx.path("tracks.csv"))
            os.remove(octx.path("undistorted", "tracks.csv"))
            os.remove(octx.path("undistorted", "reconstruction.json"))
            if io.dir_exists(octx.path("undistorted", "depthmaps")):
                files = glob.glob(
                    octx.path("undistorted", "depthmaps", "*.npz"))
                for f in files:
                    os.remove(f)
Пример #2
0
    def process(self, args, outputs):
        tree = outputs['tree']
        reconstruction = outputs['reconstruction']
        photos = reconstruction.photos

        if not photos:
            raise system.ExitException(
                'Not enough photos in photos array to start OpenSfM')

        octx = OSFMContext(tree.opensfm)
        octx.setup(args,
                   tree.dataset_raw,
                   reconstruction=reconstruction,
                   rerun=self.rerun())
        octx.photos_to_metadata(photos, self.rerun())
        self.update_progress(20)
        octx.feature_matching(self.rerun())
        self.update_progress(30)
        octx.reconstruct(self.rerun())
        octx.extract_cameras(tree.path("cameras.json"), self.rerun())
        self.update_progress(70)

        def cleanup_disk_space():
            if args.optimize_disk_space:
                for folder in ["features", "matches", "reports"]:
                    folder_path = octx.path(folder)
                    if os.path.exists(folder_path):
                        if os.path.islink(folder_path):
                            os.unlink(folder_path)
                        else:
                            shutil.rmtree(folder_path)

        # If we find a special flag file for split/merge we stop right here
        if os.path.exists(octx.path("split_merge_stop_at_reconstruction.txt")):
            log.ODM_INFO("Stopping OpenSfM early because we found: %s" %
                         octx.path("split_merge_stop_at_reconstruction.txt"))
            self.next_stage = None
            cleanup_disk_space()
            return

        # Stats are computed in the local CRS (before geoprojection)
        if not args.skip_report:

            # TODO: this will fail to compute proper statistics if
            # the pipeline is run with --skip-report and is subsequently
            # rerun without --skip-report a --rerun-* parameter (due to the reconstruction.json file)
            # being replaced below. It's an isolated use case.

            octx.export_stats(self.rerun())

        self.update_progress(75)

        # We now switch to a geographic CRS
        if reconstruction.is_georeferenced() and (not io.file_exists(
                tree.opensfm_topocentric_reconstruction) or self.rerun()):
            octx.run(
                'export_geocoords --reconstruction --proj "%s" --offset-x %s --offset-y %s'
                % (reconstruction.georef.proj4(),
                   reconstruction.georef.utm_east_offset,
                   reconstruction.georef.utm_north_offset))
            shutil.move(tree.opensfm_reconstruction,
                        tree.opensfm_topocentric_reconstruction)
            shutil.move(tree.opensfm_geocoords_reconstruction,
                        tree.opensfm_reconstruction)
        else:
            log.ODM_WARNING("Will skip exporting %s" %
                            tree.opensfm_geocoords_reconstruction)

        self.update_progress(80)

        updated_config_flag_file = octx.path('updated_config.txt')

        # Make sure it's capped by the depthmap-resolution arg,
        # since the undistorted images are used for MVS
        outputs['undist_image_max_size'] = max(
            gsd.image_max_size(photos,
                               args.orthophoto_resolution,
                               tree.opensfm_reconstruction,
                               ignore_gsd=args.ignore_gsd,
                               has_gcp=reconstruction.has_gcp()),
            get_depthmap_resolution(args, photos))

        if not io.file_exists(updated_config_flag_file) or self.rerun():
            octx.update_config({
                'undistorted_image_max_size':
                outputs['undist_image_max_size']
            })
            octx.touch(updated_config_flag_file)

        # Undistorted images will be used for texturing / MVS

        alignment_info = None
        primary_band_name = None
        largest_photo = None
        undistort_pipeline = []

        def undistort_callback(shot_id, image):
            for func in undistort_pipeline:
                image = func(shot_id, image)
            return image

        def resize_thermal_images(shot_id, image):
            photo = reconstruction.get_photo(shot_id)
            if photo.is_thermal():
                return thermal.resize_to_match(image, largest_photo)
            else:
                return image

        def radiometric_calibrate(shot_id, image):
            photo = reconstruction.get_photo(shot_id)
            if photo.is_thermal():
                return thermal.dn_to_temperature(photo, image,
                                                 tree.dataset_raw)
            else:
                return multispectral.dn_to_reflectance(
                    photo,
                    image,
                    use_sun_sensor=args.radiometric_calibration ==
                    "camera+sun")

        def align_to_primary_band(shot_id, image):
            photo = reconstruction.get_photo(shot_id)

            # No need to align if requested by user
            if args.skip_band_alignment:
                return image

            # No need to align primary
            if photo.band_name == primary_band_name:
                return image

            ainfo = alignment_info.get(photo.band_name)
            if ainfo is not None:
                return multispectral.align_image(image, ainfo['warp_matrix'],
                                                 ainfo['dimension'])
            else:
                log.ODM_WARNING(
                    "Cannot align %s, no alignment matrix could be computed. Band alignment quality might be affected."
                    % (shot_id))
                return image

        if reconstruction.multi_camera:
            largest_photo = find_largest_photo(photos)
            undistort_pipeline.append(resize_thermal_images)

        if args.radiometric_calibration != "none":
            undistort_pipeline.append(radiometric_calibrate)

        image_list_override = None

        if reconstruction.multi_camera:

            # Undistort only secondary bands
            image_list_override = [
                os.path.join(tree.dataset_raw, p.filename) for p in photos
            ]  # if p.band_name.lower() != primary_band_name.lower()

            # We backup the original reconstruction.json, tracks.csv
            # then we augment them by duplicating the primary band
            # camera shots with each band, so that exports, undistortion,
            # etc. include all bands
            # We finally restore the original files later

            added_shots_file = octx.path('added_shots_done.txt')
            s2p, p2s = None, None

            if not io.file_exists(added_shots_file) or self.rerun():
                primary_band_name = multispectral.get_primary_band_name(
                    reconstruction.multi_camera, args.primary_band)
                s2p, p2s = multispectral.compute_band_maps(
                    reconstruction.multi_camera, primary_band_name)

                if not args.skip_band_alignment:
                    alignment_info = multispectral.compute_alignment_matrices(
                        reconstruction.multi_camera,
                        primary_band_name,
                        tree.dataset_raw,
                        s2p,
                        p2s,
                        max_concurrency=args.max_concurrency)
                else:
                    log.ODM_WARNING("Skipping band alignment")
                    alignment_info = {}

                log.ODM_INFO("Adding shots to reconstruction")

                octx.backup_reconstruction()
                octx.add_shots_to_reconstruction(p2s)
                octx.touch(added_shots_file)

            undistort_pipeline.append(align_to_primary_band)

        octx.convert_and_undistort(self.rerun(), undistort_callback,
                                   image_list_override)

        self.update_progress(95)

        if reconstruction.multi_camera:
            octx.restore_reconstruction_backup()

            # Undistort primary band and write undistorted
            # reconstruction.json, tracks.csv
            octx.convert_and_undistort(self.rerun(),
                                       undistort_callback,
                                       runId='primary')

        if not io.file_exists(tree.opensfm_reconstruction_nvm) or self.rerun():
            octx.run('export_visualsfm --points')
        else:
            log.ODM_WARNING(
                'Found a valid OpenSfM NVM reconstruction file in: %s' %
                tree.opensfm_reconstruction_nvm)

        if reconstruction.multi_camera:
            log.ODM_INFO("Multiple bands found")

            # Write NVM files for the various bands
            for band in reconstruction.multi_camera:
                nvm_file = octx.path(
                    "undistorted",
                    "reconstruction_%s.nvm" % band['name'].lower())

                if not io.file_exists(nvm_file) or self.rerun():
                    img_map = {}

                    if primary_band_name is None:
                        primary_band_name = multispectral.get_primary_band_name(
                            reconstruction.multi_camera, args.primary_band)
                    if p2s is None:
                        s2p, p2s = multispectral.compute_band_maps(
                            reconstruction.multi_camera, primary_band_name)

                    for fname in p2s:

                        # Primary band maps to itself
                        if band['name'] == primary_band_name:
                            img_map[add_image_format_extension(
                                fname, 'tif')] = add_image_format_extension(
                                    fname, 'tif')
                        else:
                            band_filename = next(
                                (p.filename for p in p2s[fname]
                                 if p.band_name == band['name']), None)

                            if band_filename is not None:
                                img_map[add_image_format_extension(
                                    fname,
                                    'tif')] = add_image_format_extension(
                                        band_filename, 'tif')
                            else:
                                log.ODM_WARNING(
                                    "Cannot find %s band equivalent for %s" %
                                    (band, fname))

                    nvm.replace_nvm_images(tree.opensfm_reconstruction_nvm,
                                           img_map, nvm_file)
                else:
                    log.ODM_WARNING("Found existing NVM file %s" % nvm_file)

        # Skip dense reconstruction if necessary and export
        # sparse reconstruction instead
        if args.fast_orthophoto:
            output_file = octx.path('reconstruction.ply')

            if not io.file_exists(output_file) or self.rerun():
                octx.run('export_ply --no-cameras --point-num-views')
            else:
                log.ODM_WARNING("Found a valid PLY reconstruction in %s" %
                                output_file)

        cleanup_disk_space()

        if args.optimize_disk_space:
            os.remove(octx.path("tracks.csv"))
            if io.file_exists(octx.recon_backup_file()):
                os.remove(octx.recon_backup_file())

            if io.dir_exists(octx.path("undistorted", "depthmaps")):
                files = glob.glob(
                    octx.path("undistorted", "depthmaps", "*.npz"))
                for f in files:
                    os.remove(f)

            # Keep these if using OpenMVS
            if args.fast_orthophoto:
                files = [
                    octx.path("undistorted", "tracks.csv"),
                    octx.path("undistorted", "reconstruction.json")
                ]
                for f in files:
                    if os.path.exists(f):
                        os.remove(f)
Пример #3
0
    def process(self, args, outputs):
        tree = outputs['tree']
        reconstruction = outputs['reconstruction']
        photos = reconstruction.photos

        if not photos:
            log.ODM_ERROR('Not enough photos in photos array to start OpenSfM')
            exit(1)

        octx = OSFMContext(tree.opensfm)
        octx.setup(args,
                   tree.dataset_raw,
                   photos,
                   gcp_path=reconstruction.gcp.gcp_path,
                   rerun=self.rerun())
        octx.extract_metadata(self.rerun())
        self.update_progress(20)
        octx.feature_matching(self.rerun())
        self.update_progress(30)
        octx.reconstruct(self.rerun())
        octx.extract_cameras(tree.path("cameras.json"), self.rerun())
        self.update_progress(70)

        # If we find a special flag file for split/merge we stop right here
        if os.path.exists(octx.path("split_merge_stop_at_reconstruction.txt")):
            log.ODM_INFO("Stopping OpenSfM early because we found: %s" %
                         octx.path("split_merge_stop_at_reconstruction.txt"))
            self.next_stage = None
            return

        if args.fast_orthophoto:
            output_file = octx.path('reconstruction.ply')
        elif args.use_opensfm_dense:
            output_file = tree.opensfm_model
        else:
            output_file = tree.opensfm_reconstruction

        updated_config_flag_file = octx.path('updated_config.txt')
        if not io.file_exists(updated_config_flag_file) or self.rerun():
            octx.update_config({
                'undistorted_image_max_size':
                gsd.image_max_size(photos,
                                   args.orthophoto_resolution,
                                   tree.opensfm_reconstruction,
                                   ignore_gsd=args.ignore_gsd)
            })
            octx.touch(updated_config_flag_file)

        # These will be used for texturing
        undistorted_images_path = octx.path("undistorted")

        if not io.dir_exists(undistorted_images_path) or self.rerun():
            octx.run('undistort')
        else:
            log.ODM_WARNING("Found an undistorted directory in %s" %
                            undistorted_images_path)

        self.update_progress(80)

        if not io.file_exists(tree.opensfm_reconstruction_nvm) or self.rerun():
            octx.run('export_visualsfm --undistorted')
        else:
            log.ODM_WARNING(
                'Found a valid OpenSfM NVM reconstruction file in: %s' %
                tree.opensfm_reconstruction_nvm)

        self.update_progress(85)

        # Skip dense reconstruction if necessary and export
        # sparse reconstruction instead
        if args.fast_orthophoto:
            if not io.file_exists(output_file) or self.rerun():
                octx.run('export_ply --no-cameras')
            else:
                log.ODM_WARNING("Found a valid PLY reconstruction in %s" %
                                output_file)

        elif args.use_opensfm_dense:
            if not io.file_exists(output_file) or self.rerun():
                octx.run('compute_depthmaps')
            else:
                log.ODM_WARNING("Found a valid dense reconstruction in %s" %
                                output_file)

        # check if reconstruction was exported to bundler before
        octx.export_bundler(tree.opensfm_bundle_list, self.rerun())

        self.update_progress(90)

        if reconstruction.is_georeferenced() and (not io.file_exists(
                tree.opensfm_transformation) or self.rerun()):
            octx.run('export_geocoords --transformation --proj \'%s\'' %
                     reconstruction.georef.proj4())
        else:
            log.ODM_WARNING("Will skip exporting %s" %
                            tree.opensfm_transformation)