def _get_self_bounds(self):
"""
Computes the bounds of the object itself (not including it's children)
in the form [[lat_min, lon_min], [lat_max, lon_max]].
"""
if not self.embed:
raise ValueError('Cannot compute bounds of non-embedded GeoJSON.')
data = json.loads(self.data)
if 'features' not in data.keys():
# Catch case when GeoJSON is just a single Feature or a geometry.
if not (isinstance(data, dict) and 'geometry' in data.keys()):
# Catch case when GeoJSON is just a geometry.
data = {'type': 'Feature', 'geometry': data}
data = {'type': 'FeatureCollection', 'features': [data]}
bounds = [[None, None], [None, None]]
for feature in data['features']:
for point in iter_points(
feature.get('geometry', {}).get('coordinates',
{})): # noqa
bounds = [
[
none_min(bounds[0][0], point[1]),
none_min(bounds[0][1], point[0]),
],
[
none_max(bounds[1][0], point[1]),
none_max(bounds[1][1], point[0]),
],
]
return bounds
def _get_self_bounds(self):
"""Computes the bounds of the object itself (not including it's children)
in the form [[lat_min, lon_min], [lat_max, lon_max]]
"""
if not self.embed:
raise ValueError('Cannot compute bounds of non-embedded GeoJSON.')
data = json.loads(self.data)
if 'features' not in data.keys():
# Catch case when GeoJSON is just a single Feature or a geometry.
if not (isinstance(data, dict) and 'geometry' in data.keys()):
# Catch case when GeoJSON is just a geometry.
data = {'type' : 'Feature', 'geometry' : data}
data = {'type' : 'FeatureCollection', 'features' : [data]}
bounds = [[None,None],[None,None]]
for feature in data['features']:
for point in iter_points(feature.get('geometry',{}).get('coordinates',{})):
bounds = [
[
none_min(bounds[0][0], point[1]),
none_min(bounds[0][1], point[0]),
],
[
none_max(bounds[1][0], point[1]),
none_max(bounds[1][1], point[0]),
],
]
return bounds
def get_bounds(self):
"""
Computes the bounds of the object itself (not including it's children)
in the form [[lat_min, lon_min], [lat_max, lon_max]]
"""
if not self.embed:
raise ValueError('Cannot compute bounds of non-embedded TopoJSON.')
xmin, xmax, ymin, ymax = None, None, None, None
for arc in self.data['arcs']:
x, y = 0, 0
for dx, dy in arc:
x += dx
y += dy
xmin = none_min(x, xmin)
xmax = none_max(x, xmax)
ymin = none_min(y, ymin)
ymax = none_max(y, ymax)
return [
[
self.data['transform']['translate'][1] + self.data['transform']['scale'][1] * ymin, # noqa
self.data['transform']['translate'][0] + self.data['transform']['scale'][0] * xmin # noqa
],
[
self.data['transform']['translate'][1] + self.data['transform']['scale'][1] * ymax, # noqa
self.data['transform']['translate'][0] + self.data['transform']['scale'][0] * xmax # noqa
]
]
def _get_self_bounds(self):
"""Computes the bounds of the object itself (not including it's children)
in the form [[lat_min, lon_min], [lat_max, lon_max]]
"""
bounds = [[None,None],[None,None]]
for point in self.data:
bounds = [
[
none_min(bounds[0][0], point[1]),
none_min(bounds[0][1], point[0]),
],
[
none_max(bounds[1][0], point[1]),
none_max(bounds[1][1], point[0]),
],
]
return bounds
def _get_self_bounds(self):
"""Computes the bounds of the object itself (not including it's children)
in the form [[lat_min, lon_min], [lat_max, lon_max]]
"""
bounds = [[None, None], [None, None]]
for point in self.data:
bounds = [
[
none_min(bounds[0][0], point[1]),
none_min(bounds[0][1], point[0]),
],
[
none_max(bounds[1][0], point[1]),
none_max(bounds[1][1], point[0]),
],
]
return bounds