def _to_multi_init(self, shape_type):
"""!
@brief Prepare Writer for MultiPoints* Shapefile
@param shape_type <int>: shape type identifier
"""
w = shp.MyWriter(
shapeType=shape_type
) # brute-force fix for MultiPointZ- and MultiPointM-writing bug
for field_name, field_type, field_length, decimal_length in self.fields:
w.field(field_name, field_type, str(field_length), decimal_length)
return w
def to_multi(self, new_shapes, to_file):
w = shp.MyWriter(
shapeType=self.shape_type
) # brute-force fix for MultiPointZ- and MultiPointM-writing bug
for field_name, field_type, field_length, decimal_length in self.fields:
w.field(field_name, field_type, str(field_length), decimal_length)
for points, points_m, attributes in zip(new_shapes, self.m,
self.attributes):
coords = np.array(points)
new_m = [0 if m is None else m for m in points_m]
m_flat = np.array(new_m).reshape((coords.shape[0], 1))
coords = np.hstack((coords, m_flat))
w.poly(parts=[list(map(tuple, coords))], shapeType=self.shape_type)
w.record(*attributes)
w.save(to_file)