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@@ -1,105 +1,105 @@
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-# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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-#
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-# Licensed under the Apache License, Version 2.0 (the "License");
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-# you may not use this file except in compliance with the License.
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-# You may obtain a copy of the License at
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-#
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-# http://www.apache.org/licenses/LICENSE-2.0
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-#
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-# Unless required by applicable law or agreed to in writing, software
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-# distributed under the License is distributed on an "AS IS" BASIS,
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-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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-# See the License for the specific language governing permissions and
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-# limitations under the License.
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-
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-import os
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-import os.path as osp
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-import argparse
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-
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-import numpy as np
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-from PIL import Image
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-try:
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- from osgeo import gdal, ogr, osr
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-except ImportError:
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- import gdal
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- import ogr
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- import osr
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-
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-from utils import Raster, save_geotiff, time_it
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-
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-
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-def _mask2tif(mask_path, tmp_path, proj, geot):
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- dst_ds = save_geotiff(
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- np.asarray(Image.open(mask_path)), tmp_path, proj, geot,
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- gdal.GDT_UInt16, False)
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- return dst_ds
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-
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-
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-def _polygonize_raster(mask_path, vec_save_path, proj, geot, ignore_index, ext):
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- if proj is None or geot is None:
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- tmp_path = None
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- ds = gdal.Open(mask_path)
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- else:
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- tmp_path = vec_save_path.replace("." + ext, ".tif")
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- ds = _mask2tif(mask_path, tmp_path, proj, geot)
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- srcband = ds.GetRasterBand(1)
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- maskband = srcband.GetMaskBand()
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- gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "YES")
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- gdal.SetConfigOption("SHAPE_ENCODING", "UTF-8")
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- ogr.RegisterAll()
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- drv = ogr.GetDriverByName("ESRI Shapefile" if ext == "shp" else "GeoJSON")
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- if osp.exists(vec_save_path):
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- os.remove(vec_save_path)
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- dst_ds = drv.CreateDataSource(vec_save_path)
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- prosrs = osr.SpatialReference(wkt=ds.GetProjection())
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- dst_layer = dst_ds.CreateLayer(
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- "POLYGON", geom_type=ogr.wkbPolygon, srs=prosrs)
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- dst_fieldname = "CLAS"
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- fd = ogr.FieldDefn(dst_fieldname, ogr.OFTInteger)
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- dst_layer.CreateField(fd)
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- gdal.Polygonize(srcband, maskband, dst_layer, 0, [])
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- # TODO: temporary: delete ignored values
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- dst_ds.Destroy()
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- ds = None
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- vec_ds = drv.Open(vec_save_path, 1)
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- lyr = vec_ds.GetLayer()
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- lyr.SetAttributeFilter("{} = '{}'".format(dst_fieldname, str(ignore_index)))
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- for holes in lyr:
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- lyr.DeleteFeature(holes.GetFID())
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- vec_ds.Destroy()
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- if tmp_path is not None:
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- os.remove(tmp_path)
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-
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-
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-@time_it
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-def raster2vector(srcimg_path, mask_path, save_path, ignore_index=255):
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- vec_ext = save_path.split(".")[-1].lower()
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- if vec_ext not in ["json", "geojson", "shp"]:
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- raise ValueError(
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- "The extension of `save_path` must be 'json/geojson' or 'shp', not {}.".
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- format(vec_ext))
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- ras_ext = srcimg_path.split(".")[-1].lower()
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- if osp.exists(srcimg_path) and ras_ext in ["tif", "tiff", "geotiff", "img"]:
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- src = Raster(srcimg_path)
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- _polygonize_raster(mask_path, save_path, src.proj, src.geot,
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- ignore_index, vec_ext)
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- src = None
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- else:
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- _polygonize_raster(mask_path, save_path, None, None, ignore_index,
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- vec_ext)
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-
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-
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-parser = argparse.ArgumentParser()
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-parser.add_argument("--mask_path", type=str, required=True, \
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- help="Path of mask data.")
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-parser.add_argument("--save_path", type=str, required=True, \
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- help="Path to save the shape file (the extension is .json/geojson or .shp).")
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-parser.add_argument("--srcimg_path", type=str, default="", \
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- help="Path of original data with geoinfo. Default to empty.")
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-parser.add_argument("--ignore_index", type=int, default=255, \
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- help="The ignored index will not be converted to a value in the shape file. Default value is 255.")
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-
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-if __name__ == "__main__":
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- args = parser.parse_args()
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- raster2vector(args.srcimg_path, args.mask_path, args.save_path,
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- args.ignore_index)
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+# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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+#
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+# Licensed under the Apache License, Version 2.0 (the "License");
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+# you may not use this file except in compliance with the License.
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+# You may obtain a copy of the License at
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+#
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+# http://www.apache.org/licenses/LICENSE-2.0
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+#
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+# Unless required by applicable law or agreed to in writing, software
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+# distributed under the License is distributed on an "AS IS" BASIS,
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+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+# See the License for the specific language governing permissions and
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+# limitations under the License.
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+
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+import os
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+import os.path as osp
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+import argparse
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+
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+import numpy as np
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+from PIL import Image
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+try:
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+ from osgeo import gdal, ogr, osr
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+except ImportError:
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+ import gdal
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+ import ogr
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+ import osr
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+
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+from utils import Raster, save_geotiff, time_it
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+
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+
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+def _mask2tif(mask_path, tmp_path, proj, geot):
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+ dst_ds = save_geotiff(
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+ np.asarray(Image.open(mask_path)), tmp_path, proj, geot,
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+ gdal.GDT_UInt16, False)
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+ return dst_ds
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+
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+
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+def _polygonize_raster(mask_path, vec_save_path, proj, geot, ignore_index, ext):
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+ if proj is None or geot is None:
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+ tmp_path = None
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+ ds = gdal.Open(mask_path)
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+ else:
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+ tmp_path = vec_save_path.replace("." + ext, ".tif")
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+ ds = _mask2tif(mask_path, tmp_path, proj, geot)
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+ srcband = ds.GetRasterBand(1)
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+ maskband = srcband.GetMaskBand()
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+ gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "YES")
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+ gdal.SetConfigOption("SHAPE_ENCODING", "UTF-8")
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+ ogr.RegisterAll()
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+ drv = ogr.GetDriverByName("ESRI Shapefile" if ext == "shp" else "GeoJSON")
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+ if osp.exists(vec_save_path):
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+ os.remove(vec_save_path)
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+ dst_ds = drv.CreateDataSource(vec_save_path)
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+ prosrs = osr.SpatialReference(wkt=ds.GetProjection())
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+ dst_layer = dst_ds.CreateLayer(
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+ "POLYGON", geom_type=ogr.wkbPolygon, srs=prosrs)
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+ dst_fieldname = "CLAS"
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+ fd = ogr.FieldDefn(dst_fieldname, ogr.OFTInteger)
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+ dst_layer.CreateField(fd)
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+ gdal.Polygonize(srcband, maskband, dst_layer, 0, [])
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+ # TODO: temporary: delete ignored values
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+ dst_ds.Destroy()
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+ ds = None
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+ vec_ds = drv.Open(vec_save_path, 1)
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+ lyr = vec_ds.GetLayer()
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+ lyr.SetAttributeFilter("{} = '{}'".format(dst_fieldname, str(ignore_index)))
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+ for holes in lyr:
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+ lyr.DeleteFeature(holes.GetFID())
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+ vec_ds.Destroy()
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+ if tmp_path is not None:
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+ os.remove(tmp_path)
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+
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+
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+@time_it
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+def mask2shape(srcimg_path, mask_path, save_path, ignore_index=255):
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+ vec_ext = save_path.split(".")[-1].lower()
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+ if vec_ext not in ["json", "geojson", "shp"]:
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+ raise ValueError(
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+ "The extension of `save_path` must be 'json/geojson' or 'shp', not {}.".
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+ format(vec_ext))
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+ ras_ext = srcimg_path.split(".")[-1].lower()
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+ if osp.exists(srcimg_path) and ras_ext in ["tif", "tiff", "geotiff", "img"]:
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+ src = Raster(srcimg_path)
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+ _polygonize_raster(mask_path, save_path, src.proj, src.geot,
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+ ignore_index, vec_ext)
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+ src = None
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+ else:
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+ _polygonize_raster(mask_path, save_path, None, None, ignore_index,
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+ vec_ext)
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+
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+
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+parser = argparse.ArgumentParser()
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+parser.add_argument("--mask_path", type=str, required=True, \
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+ help="Path of mask data.")
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+parser.add_argument("--save_path", type=str, required=True, \
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+ help="Path to save the shape file (the extension is .json/geojson or .shp).")
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+parser.add_argument("--srcimg_path", type=str, default="", \
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+ help="Path of original data with geoinfo. Default to empty.")
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+parser.add_argument("--ignore_index", type=int, default=255, \
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+ help="The ignored index will not be converted to a value in the shape file. Default value is 255.")
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+
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+if __name__ == "__main__":
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+ args = parser.parse_args()
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+ mask2shape(args.srcimg_path, args.mask_path, args.save_path,
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+ args.ignore_index)
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