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72 lines
2.6 KiB
72 lines
2.6 KiB
3 years ago
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# Copyright (c) 2022, ETH Zurich and UNC Chapel Hill.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# * Neither the name of ETH Zurich and UNC Chapel Hill nor the names of
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# its contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# Author: Johannes L. Schoenberger (jsch-at-demuc-dot-de)
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# This script merges multiple homogeneous PLY files into a single PLY file.
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import os
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import glob
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import argparse
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import numpy as np
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import plyfile
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def parse_args():
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parser = argparse.ArgumentParser()
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parser.add_argument("--folder_path", required=True)
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parser.add_argument("--merged_path", required=True)
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args = parser.parse_args()
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return args
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def main():
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args = parse_args()
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files = []
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for file_name in os.listdir(args.folder_path):
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if len(file_name) < 4 or file_name[-4:].lower() != ".ply":
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continue
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print("Reading file", file_name)
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file = plyfile.PlyData.read(os.path.join(args.folder_path, file_name))
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for element in file.elements:
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files.append(element.data)
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print("Merging files")
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merged_file = np.concatenate(files, -1)
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merged_el = plyfile.PlyElement.describe(merged_file, 'vertex')
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print("Writing merged file")
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plyfile.PlyData([merged_el]).write(args.merged_path)
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if __name__ == '__main__':
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main()
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