kopia lustrzana https://github.com/OpenDroneMap/ODM
379 wiersze
15 KiB
Python
379 wiersze
15 KiB
Python
import os
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import shutil
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import warnings
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import numpy as np
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from opendm import get_image_size
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from opendm import location
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from opendm.gcp import GCPFile
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from pyproj import CRS
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import xmltodict as x2d
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from six import string_types
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from opendm import log
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from opendm import io
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from opendm import system
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from opendm import context
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from opendm.progress import progressbc
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from opendm.photo import ODM_Photo
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# Ignore warnings about proj information being lost
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warnings.filterwarnings("ignore")
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class ODM_Reconstruction(object):
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def __init__(self, photos):
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self.photos = photos
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self.georef = None
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self.gcp = None
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self.multi_camera = self.detect_multi_camera()
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def detect_multi_camera(self):
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"""
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Looks at the reconstruction photos and determines if this
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is a single or multi-camera setup.
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"""
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band_photos = {}
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band_indexes = {}
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for p in self.photos:
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if not p.band_name in band_photos:
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band_photos[p.band_name] = []
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if not p.band_name in band_indexes:
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band_indexes[p.band_name] = str(p.band_index)
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band_photos[p.band_name].append(p)
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bands_count = len(band_photos)
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if bands_count >= 2 and bands_count <= 8:
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# Validate that all bands have the same number of images,
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# otherwise this is not a multi-camera setup
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img_per_band = len(band_photos[p.band_name])
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for band in band_photos:
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if len(band_photos[band]) != img_per_band:
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log.ODM_ERROR("Multi-camera setup detected, but band \"%s\" (identified from \"%s\") has only %s images (instead of %s), perhaps images are missing or are corrupted. Please include all necessary files to process all bands and try again." % (band, band_photos[band][0].filename, len(band_photos[band]), img_per_band))
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raise RuntimeError("Invalid multi-camera images")
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mc = []
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for band_name in band_indexes:
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mc.append({'name': band_name, 'photos': band_photos[band_name]})
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# Sort by band index
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mc.sort(key=lambda x: band_indexes[x['name']])
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return mc
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return None
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def is_georeferenced(self):
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return self.georef is not None
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def has_gcp(self):
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return self.is_georeferenced() and self.gcp is not None and self.gcp.exists()
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def georeference_with_gcp(self, gcp_file, output_coords_file, output_gcp_file, output_model_txt_geo, rerun=False):
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if not io.file_exists(output_coords_file) or not io.file_exists(output_gcp_file) or rerun:
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gcp = GCPFile(gcp_file)
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if gcp.exists():
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if gcp.entries_count() == 0:
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raise RuntimeError("This GCP file does not have any entries. Are the entries entered in the proper format?")
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# Convert GCP file to a UTM projection since the rest of the pipeline
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# does not handle other SRS well.
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rejected_entries = []
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utm_gcp = GCPFile(gcp.create_utm_copy(output_gcp_file, filenames=[p.filename for p in self.photos], rejected_entries=rejected_entries, include_extras=False))
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if not utm_gcp.exists():
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raise RuntimeError("Could not project GCP file to UTM. Please double check your GCP file for mistakes.")
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for re in rejected_entries:
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log.ODM_WARNING("GCP line ignored (image not found): %s" % str(re))
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if utm_gcp.entries_count() > 0:
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log.ODM_INFO("%s GCP points will be used for georeferencing" % utm_gcp.entries_count())
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else:
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raise RuntimeError("A GCP file was provided, but no valid GCP entries could be used. Note that the GCP file is case sensitive (\".JPG\" is not the same as \".jpg\").")
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self.gcp = utm_gcp
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# Compute RTC offsets from GCP points
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x_pos = [p.x for p in utm_gcp.iter_entries()]
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y_pos = [p.y for p in utm_gcp.iter_entries()]
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x_off, y_off = int(np.round(np.mean(x_pos))), int(np.round(np.mean(y_pos)))
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# Create coords file, we'll be using this later
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# during georeferencing
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with open(output_coords_file, 'w') as f:
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coords_header = gcp.wgs84_utm_zone()
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f.write(coords_header + "\n")
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f.write("{} {}\n".format(x_off, y_off))
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log.ODM_INFO("Generated coords file from GCP: %s" % coords_header)
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# Deprecated: This is mostly for backward compatibility and should be
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# be removed at some point
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shutil.copyfile(output_coords_file, output_model_txt_geo)
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log.ODM_INFO("Wrote %s" % output_model_txt_geo)
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else:
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log.ODM_WARNING("GCP file does not exist: %s" % gcp_file)
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return
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else:
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log.ODM_INFO("Coordinates file already exist: %s" % output_coords_file)
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log.ODM_INFO("GCP file already exist: %s" % output_gcp_file)
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self.gcp = GCPFile(output_gcp_file)
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self.georef = ODM_GeoRef.FromCoordsFile(output_coords_file)
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return self.georef
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def georeference_with_gps(self, images_path, output_coords_file, output_model_txt_geo, rerun=False):
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try:
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if not io.file_exists(output_coords_file) or rerun:
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location.extract_utm_coords(self.photos, images_path, output_coords_file)
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else:
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log.ODM_INFO("Coordinates file already exist: %s" % output_coords_file)
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# Deprecated: This is mostly for backward compatibility and should be
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# be removed at some point
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if not io.file_exists(output_model_txt_geo) or rerun:
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with open(output_coords_file, 'r') as f:
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with open(output_model_txt_geo, 'w+') as w:
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w.write(f.readline()) # CRS
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w.write(f.readline()) # Offset
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else:
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log.ODM_INFO("Model geo file already exist: %s" % output_model_txt_geo)
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self.georef = ODM_GeoRef.FromCoordsFile(output_coords_file)
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except:
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log.ODM_WARNING('Could not generate coordinates file. The orthophoto will not be georeferenced.')
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self.gcp = GCPFile(None)
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return self.georef
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def save_proj_srs(self, file):
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# Save proj to file for future use (unless this
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# dataset is not georeferenced)
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if self.is_georeferenced():
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with open(file, 'w') as f:
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f.write(self.get_proj_srs())
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def get_proj_srs(self):
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if self.is_georeferenced():
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return self.georef.proj4()
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def get_proj_offset(self):
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if self.is_georeferenced():
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return (self.georef.utm_east_offset, self.georef.utm_north_offset)
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else:
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return (None, None)
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def get_photo(self, filename):
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for p in self.photos:
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if p.filename == filename:
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return p
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class ODM_GeoRef(object):
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@staticmethod
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def FromCoordsFile(coords_file):
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# check for coordinate file existence
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if not io.file_exists(coords_file):
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log.ODM_WARNING('Could not find file %s' % coords_file)
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return
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srs = None
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utm_east_offset = None
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utm_north_offset = None
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with open(coords_file) as f:
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# extract reference system and utm zone from first line.
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# We will assume the following format:
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# 'WGS84 UTM 17N' or 'WGS84 UTM 17N \n'
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line = f.readline().rstrip()
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srs = location.parse_srs_header(line)
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# second line is a northing/easting offset
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line = f.readline().rstrip()
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utm_east_offset, utm_north_offset = map(float, line.split(" "))
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return ODM_GeoRef(srs, utm_east_offset, utm_north_offset)
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def __init__(self, srs, utm_east_offset, utm_north_offset):
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self.srs = srs
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self.utm_east_offset = utm_east_offset
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self.utm_north_offset = utm_north_offset
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self.transform = []
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def proj4(self):
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return self.srs.to_proj4()
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def utm_offset(self):
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return (self.utm_east_offset, self.utm_north_offset)
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class ODM_Tree(object):
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def __init__(self, root_path, gcp_file = None, geo_file = None):
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# root path to the project
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self.root_path = io.absolute_path_file(root_path)
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self.input_images = os.path.join(self.root_path, 'images')
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# modules paths
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# here are defined where all modules should be located in
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# order to keep track all files al directories during the
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# whole reconstruction process.
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self.dataset_raw = os.path.join(self.root_path, 'images')
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self.opensfm = os.path.join(self.root_path, 'opensfm')
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self.openmvs = os.path.join(self.opensfm, 'undistorted', 'openmvs')
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self.odm_meshing = os.path.join(self.root_path, 'odm_meshing')
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self.odm_texturing = os.path.join(self.root_path, 'odm_texturing')
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self.odm_25dtexturing = os.path.join(self.root_path, 'odm_texturing_25d')
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self.odm_georeferencing = os.path.join(self.root_path, 'odm_georeferencing')
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self.odm_filterpoints = os.path.join(self.root_path, 'odm_filterpoints')
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self.odm_orthophoto = os.path.join(self.root_path, 'odm_orthophoto')
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self.odm_report = os.path.join(self.root_path, 'odm_report')
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# important files paths
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# benchmarking
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self.benchmarking = os.path.join(self.root_path, 'benchmark.txt')
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self.dataset_list = os.path.join(self.root_path, 'img_list.txt')
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# opensfm
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self.opensfm_image_list = os.path.join(self.opensfm, 'image_list.txt')
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self.opensfm_reconstruction = os.path.join(self.opensfm, 'reconstruction.json')
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self.opensfm_reconstruction_nvm = os.path.join(self.opensfm, 'undistorted/reconstruction.nvm')
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self.opensfm_geocoords_reconstruction = os.path.join(self.opensfm, 'reconstruction.geocoords.json')
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self.opensfm_topocentric_reconstruction = os.path.join(self.opensfm, 'reconstruction.topocentric.json')
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# OpenMVS
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self.openmvs_model = os.path.join(self.openmvs, 'scene_dense_dense_filtered.ply')
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# filter points
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self.filtered_point_cloud = os.path.join(self.odm_filterpoints, "point_cloud.ply")
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# odm_meshing
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self.odm_mesh = os.path.join(self.odm_meshing, 'odm_mesh.ply')
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self.odm_meshing_log = os.path.join(self.odm_meshing, 'odm_meshing_log.txt')
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self.odm_25dmesh = os.path.join(self.odm_meshing, 'odm_25dmesh.ply')
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self.odm_25dmeshing_log = os.path.join(self.odm_meshing, 'odm_25dmeshing_log.txt')
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# texturing
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self.odm_textured_model_obj = 'odm_textured_model_geo.obj'
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# odm_georeferencing
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self.odm_georeferencing_coords = os.path.join(
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self.odm_georeferencing, 'coords.txt')
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self.odm_georeferencing_gcp = gcp_file or io.find('gcp_list.txt', self.root_path)
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self.odm_georeferencing_gcp_utm = os.path.join(self.odm_georeferencing, 'gcp_list_utm.txt')
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self.odm_geo_file = geo_file or io.find('geo.txt', self.root_path)
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self.odm_georeferencing_proj = 'proj.txt'
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self.odm_georeferencing_model_txt_geo = os.path.join(
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self.odm_georeferencing, 'odm_georeferencing_model_geo.txt')
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self.odm_georeferencing_xyz_file = os.path.join(
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self.odm_georeferencing, 'odm_georeferenced_model.csv')
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self.odm_georeferencing_model_laz = os.path.join(
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self.odm_georeferencing, 'odm_georeferenced_model.laz')
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self.odm_georeferencing_model_las = os.path.join(
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self.odm_georeferencing, 'odm_georeferenced_model.las')
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# odm_orthophoto
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self.odm_orthophoto_render = os.path.join(self.odm_orthophoto, 'odm_orthophoto_render.tif')
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self.odm_orthophoto_tif = os.path.join(self.odm_orthophoto, 'odm_orthophoto.tif')
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self.odm_orthophoto_corners = os.path.join(self.odm_orthophoto, 'odm_orthophoto_corners.txt')
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self.odm_orthophoto_log = os.path.join(self.odm_orthophoto, 'odm_orthophoto_log.txt')
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self.odm_orthophoto_tif_log = os.path.join(self.odm_orthophoto, 'gdal_translate_log.txt')
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# tiles
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self.orthophoto_tiles = os.path.join(self.root_path, "orthophoto_tiles")
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# Split-merge
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self.submodels_path = os.path.join(self.root_path, 'submodels')
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# Tiles
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self.entwine_pointcloud = self.path("entwine_pointcloud")
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self.ogc_tiles = self.path("3d_tiles")
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def path(self, *args):
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return os.path.join(self.root_path, *args)
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class ODM_Stage:
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def __init__(self, name, args, progress=0.0, **params):
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self.name = name
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self.args = args
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self.progress = progress
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self.params = params
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if self.params is None:
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self.params = {}
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self.next_stage = None
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self.prev_stage = None
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def connect(self, stage):
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self.next_stage = stage
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stage.prev_stage = self
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return stage
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def rerun(self):
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"""
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Does this stage need to be rerun?
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"""
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return (self.args.rerun is not None and self.args.rerun == self.name) or \
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(self.args.rerun_all) or \
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(self.args.rerun_from is not None and self.name in self.args.rerun_from)
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def run(self, outputs = {}):
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start_time = system.now_raw()
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log.logger.log_json_stage_run(self.name, start_time)
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log.ODM_INFO('Running %s stage' % self.name)
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self.process(self.args, outputs)
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# The tree variable should always be populated at this point
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if outputs.get('tree') is None:
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raise Exception("Assert violation: tree variable is missing from outputs dictionary.")
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if self.args.time:
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system.benchmark(start_time, outputs['tree'].benchmarking, self.name)
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log.ODM_INFO('Finished %s stage' % self.name)
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self.update_progress_end()
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# Last stage?
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if self.args.end_with == self.name or self.args.rerun == self.name:
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log.ODM_INFO("No more stages to run")
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return
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# Run next stage?
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elif self.next_stage is not None:
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self.next_stage.run(outputs)
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def delta_progress(self):
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if self.prev_stage:
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return max(0.0, self.progress - self.prev_stage.progress)
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else:
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return max(0.0, self.progress)
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def previous_stages_progress(self):
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if self.prev_stage:
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return max(0.0, self.prev_stage.progress)
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else:
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return 0.0
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def update_progress_end(self):
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self.update_progress(100.0)
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def update_progress(self, progress):
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progress = max(0.0, min(100.0, progress))
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progressbc.send_update(self.previous_stages_progress() +
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(self.delta_progress() / 100.0) * float(progress))
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def last_stage(self):
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if self.next_stage:
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return self.next_stage.last_stage()
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else:
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return self
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def process(self, args, outputs):
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raise NotImplementedError
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