def calc_buffered_bounds(format, bounds, meters_per_pixel_dim, layer_name,
geometry_type, buffer_cfg):
"""
Calculate the buffered bounds per format per layer based on config.
"""
if not buffer_cfg:
return bounds
format_buffer_cfg = buffer_cfg.get(format.extension)
if format_buffer_cfg is None:
return bounds
geometry_type = normalize_geometry_type(geometry_type)
per_layer_cfg = format_buffer_cfg.get('layer', {}).get(layer_name)
if per_layer_cfg is not None:
layer_geom_pixels = per_layer_cfg.get(geometry_type)
if layer_geom_pixels is not None:
assert isinstance(layer_geom_pixels, Number)
result = bounds_buffer(bounds,
meters_per_pixel_dim * layer_geom_pixels)
return result
by_geometry_pixels = format_buffer_cfg.get('geometry',
{}).get(geometry_type)
if by_geometry_pixels is not None:
assert isinstance(by_geometry_pixels, Number)
result = bounds_buffer(bounds,
meters_per_pixel_dim * by_geometry_pixels)
return result
return bounds
def calc_buffered_bounds(
format, bounds, meters_per_pixel_dim, layer_name, geometry_type,
buffer_cfg):
"""
Calculate the buffered bounds per format per layer based on config.
"""
if not buffer_cfg:
return bounds
format_buffer_cfg = buffer_cfg.get(format.extension)
if format_buffer_cfg is None:
return bounds
geometry_type = normalize_geometry_type(geometry_type)
per_layer_cfg = format_buffer_cfg.get('layer', {}).get(layer_name)
if per_layer_cfg is not None:
layer_geom_pixels = per_layer_cfg.get(geometry_type)
if layer_geom_pixels is not None:
assert isinstance(layer_geom_pixels, Number)
result = bounds_buffer(
bounds, meters_per_pixel_dim * layer_geom_pixels)
return result
by_geometry_pixels = format_buffer_cfg.get('geometry', {}).get(
geometry_type)
if by_geometry_pixels is not None:
assert isinstance(by_geometry_pixels, Number)
result = bounds_buffer(
bounds, meters_per_pixel_dim * by_geometry_pixels)
return result
return bounds
def bounds_pad(bounds, meters_per_pixel_dim):
buffered_by_type = {}
for geometry_type in ('point', 'line', 'polygon'):
offset = meters_per_pixel_dim * buf_by_type[geometry_type]
buffered_by_type[geometry_type] = bounds_buffer(bounds, offset)
return buffered_by_type
def bounds_pad(bounds, meters_per_pixel_dim):
buffered_by_type = {}
for geometry_type in ('point', 'line', 'polygon'):
offset = meters_per_pixel_dim * buf_by_type[geometry_type]
buffered_by_type[geometry_type] = bounds_buffer(bounds, offset)
return buffered_by_type