本文整理匯總了Python中django.contrib.gis.geos.polygon.Polygon方法的典型用法代碼示例。如果您正苦於以下問題：Python polygon.Polygon方法的具體用法？Python polygon.Polygon怎麽用？Python polygon.Polygon使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類django.contrib.gis.geos.polygon的用法示例。
在下文中一共展示了polygon.Polygon方法的6個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: length
# 需要導入模塊: from django.contrib.gis.geos import polygon [as 別名]
# 或者: from django.contrib.gis.geos.polygon import Polygon [as 別名]
def length(self):
"""
Returns the length of this Geometry (e.g., 0 for point, or the
circumfrence of a Polygon).
"""
return capi.geos_length(self.ptr, byref(c_double())) 示例2: write
# 需要導入模塊: from django.contrib.gis.geos import polygon [as 別名]
# 或者: from django.contrib.gis.geos.polygon import Polygon [as 別名]
def write(self, geom):
"Returns the WKB representation of the given geometry."
from django.contrib.gis.geos import Polygon
geom = self._handle_empty_point(geom)
wkb = wkb_writer_write(self.ptr, geom.ptr, byref(c_size_t()))
if isinstance(geom, Polygon) and geom.empty:
# Fix GEOS output for empty polygon.
# See https://trac.osgeo.org/geos/ticket/680.
wkb = wkb[:-8] + b'\0' * 4
return six.memoryview(wkb) 示例3: write_hex
# 需要導入模塊: from django.contrib.gis.geos import polygon [as 別名]
# 或者: from django.contrib.gis.geos.polygon import Polygon [as 別名]
def write_hex(self, geom):
"Returns the HEXEWKB representation of the given geometry."
from django.contrib.gis.geos.polygon import Polygon
geom = self._handle_empty_point(geom)
wkb = wkb_writer_write_hex(self.ptr, geom.ptr, byref(c_size_t()))
if isinstance(geom, Polygon) and geom.empty:
wkb = wkb[:-16] + b'0' * 8
return wkb
# ### WKBWriter Properties ###
# Property for getting/setting the byteorder. 示例4: _post_init
# 需要導入模塊: from django.contrib.gis.geos import polygon [as 別名]
# 或者: from django.contrib.gis.geos.polygon import Polygon [as 別名]
def _post_init(self, srid):
"Helper routine for performing post-initialization setup."
# Setting the SRID, if given.
if srid and isinstance(srid, int): self.srid = srid
# Setting the class type (e.g., Point, Polygon, etc.)
self.__class__ = GEOS_CLASSES[self.geom_typeid]
# Setting the coordinate sequence for the geometry (will be None on
# geometries that do not have coordinate sequences)
self._set_cs() 示例5: geom_type
# 需要導入模塊: from django.contrib.gis.geos import polygon [as 別名]
# 或者: from django.contrib.gis.geos.polygon import Polygon [as 別名]
def geom_type(self):
"Returns a string representing the Geometry type, e.g. 'Polygon'"
return capi.geos_type(self.ptr).decode() 示例6: convex_hull
# 需要導入模塊: from django.contrib.gis.geos import polygon [as 別名]
# 或者: from django.contrib.gis.geos.polygon import Polygon [as 別名]
def convex_hull(self):
"""
Returns the smallest convex Polygon that contains all the points
in the Geometry.
"""
return self._topology(capi.geos_convexhull(self.ptr))