see: src/mvs/mat.h void Mat ::Write(const std::string& path)
(array, path)
| 56 | |
| 57 | |
| 58 | def write_array(array, path): |
| 59 | """ |
| 60 | see: src/mvs/mat.h |
| 61 | void Mat<T>::Write(const std::string& path) |
| 62 | """ |
| 63 | assert array.dtype == np.float32 |
| 64 | if len(array.shape) == 2: |
| 65 | height, width = array.shape |
| 66 | channels = 1 |
| 67 | elif len(array.shape) == 3: |
| 68 | height, width, channels = array.shape |
| 69 | else: |
| 70 | assert False |
| 71 | |
| 72 | with open(path, "w") as fid: |
| 73 | fid.write(str(width) + "&" + str(height) + "&" + str(channels) + "&") |
| 74 | |
| 75 | with open(path, "ab") as fid: |
| 76 | if len(array.shape) == 2: |
| 77 | array_trans = np.transpose(array, (1, 0)) |
| 78 | elif len(array.shape) == 3: |
| 79 | array_trans = np.transpose(array, (1, 0, 2)) |
| 80 | else: |
| 81 | assert False |
| 82 | data_1d = array_trans.reshape(-1, order="F") |
| 83 | data_list = data_1d.tolist() |
| 84 | endian_character = "<" |
| 85 | format_char_sequence = "".join(["f"] * len(data_list)) |
| 86 | byte_data = struct.pack(endian_character + format_char_sequence, *data_list) |
| 87 | fid.write(byte_data) |
| 88 | |
| 89 | |
| 90 | def parse_args(): |