def get_row_slices(self):
for row in self.get_tile_rows():
top = self.origin_offset + self.padding \
- (row * self.meters_per_tile)
bottom = self.origin_offset - self.padding \
- ((row + 1) * self.meters_per_tile)
clip = _box(self._minx, top, self._maxx, bottom)
clipped = clip.intersection(self.polygon)
yield (row, clipped)
def get_row_slices(self):
for row in self.get_tile_rows():
top = self.origin_offset + self.padding \
- (row * self.meters_per_tile)
bottom = self.origin_offset - self.padding \
- ((row + 1) * self.meters_per_tile)
clip = _box(self._minx, top, self._maxx, bottom)
clipped = clip.intersection(self.polygon)
yield (row, clipped)
def get_tile_slices(self):
for row, polygon in self.get_row_slices():
for column in self.get_tile_columns():
left = column * self.meters_per_tile - self.padding \
- self.origin_offset
right = (column + 1) * self.meters_per_tile + self.padding \
- self.origin_offset
clip = _box(left, self._miny, right, self._maxy)
clipped = clip.intersection(polygon)
if clipped:
wkb = _dump_polygon_wkb(clipped)
yield (row, column, wkb)
def get_tile_slices(self):
for row, polygon in self.get_row_slices():
for column in self.get_tile_columns():
left = column * self.meters_per_tile - self.padding \
- self.origin_offset
right = (column + 1) * self.meters_per_tile + self.padding \
- self.origin_offset
clip = _box(left, self._miny, right, self._maxy)
clipped = clip.intersection(polygon)
if clipped:
wkb = _dump_polygon_wkb(clipped)
yield (row, column, wkb)