Spaces:
Running
on
Zero
Running
on
Zero
File size: 2,633 Bytes
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import os
import subprocess
# $ DATASET_PATH=/path/to/dataset
# $ colmap feature_extractor \
# --database_path $DATASET_PATH/database.db \
# --image_path $DATASET_PATH/images
# $ colmap exhaustive_matcher \
# --database_path $DATASET_PATH/database.db
# $ mkdir $DATASET_PATH/sparse
# $ colmap mapper \
# --database_path $DATASET_PATH/database.db \
# --image_path $DATASET_PATH/images \
# --output_path $DATASET_PATH/sparse
# $ mkdir $DATASET_PATH/dense
def run_colmap(basedir, match_type):
logfile_name = os.path.join(basedir, 'colmap_output.txt')
logfile = open(logfile_name, 'w')
feature_extractor_args = [
'colmap', 'feature_extractor',
'--database_path', os.path.join(basedir, 'database.db'),
'--image_path', os.path.join(basedir, 'images'),
'--ImageReader.single_camera', '1',
'--ImageReader.camera_model', 'SIMPLE_PINHOLE',
# '--SiftExtraction.use_gpu', '0',
]
feat_output = ( subprocess.check_output(feature_extractor_args, universal_newlines=True) )
logfile.write(feat_output)
print('Features extracted')
exhaustive_matcher_args = [
'colmap', match_type,
'--database_path', os.path.join(basedir, 'database.db'),
]
match_output = ( subprocess.check_output(exhaustive_matcher_args, universal_newlines=True) )
logfile.write(match_output)
print('Features matched')
p = os.path.join(basedir, 'sparse')
if not os.path.exists(p):
os.makedirs(p)
# mapper_args = [
# 'colmap', 'mapper',
# '--database_path', os.path.join(basedir, 'database.db'),
# '--image_path', os.path.join(basedir, 'images'),
# '--output_path', os.path.join(basedir, 'sparse'),
# '--Mapper.num_threads', '16',
# '--Mapper.init_min_tri_angle', '4',
# ]
mapper_args = [
'colmap', 'mapper',
'--database_path', os.path.join(basedir, 'database.db'),
'--image_path', os.path.join(basedir, 'images'),
'--output_path', os.path.join(basedir, 'sparse'), # --export_path changed to --output_path in colmap 3.6
'--Mapper.num_threads', '16',
'--Mapper.init_min_tri_angle', '4',
'--Mapper.multiple_models', '0',
'--Mapper.extract_colors', '0',
]
map_output = ( subprocess.check_output(mapper_args, universal_newlines=True) )
logfile.write(map_output)
logfile.close()
print('Sparse map created')
print( 'Finished running COLMAP, see {} for logs'.format(logfile_name) )
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