diff options
Diffstat (limited to 'lib/python2.7/site-packages/django/contrib/gis/geos/point.py')
-rw-r--r-- | lib/python2.7/site-packages/django/contrib/gis/geos/point.py | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/lib/python2.7/site-packages/django/contrib/gis/geos/point.py b/lib/python2.7/site-packages/django/contrib/gis/geos/point.py deleted file mode 100644 index 907347d..0000000 --- a/lib/python2.7/site-packages/django/contrib/gis/geos/point.py +++ /dev/null @@ -1,137 +0,0 @@ -from ctypes import c_uint -from django.contrib.gis.geos.error import GEOSException -from django.contrib.gis.geos.geometry import GEOSGeometry -from django.contrib.gis.geos import prototypes as capi -from django.utils import six -from django.utils.six.moves import xrange - -class Point(GEOSGeometry): - _minlength = 2 - _maxlength = 3 - - def __init__(self, x, y=None, z=None, srid=None): - """ - The Point object may be initialized with either a tuple, or individual - parameters. - - For Example: - >>> p = Point((5, 23)) # 2D point, passed in as a tuple - >>> p = Point(5, 23, 8) # 3D point, passed in with individual parameters - """ - if isinstance(x, (tuple, list)): - # Here a tuple or list was passed in under the `x` parameter. - ndim = len(x) - coords = x - elif isinstance(x, six.integer_types + (float,)) and isinstance(y, six.integer_types + (float,)): - # Here X, Y, and (optionally) Z were passed in individually, as parameters. - if isinstance(z, six.integer_types + (float,)): - ndim = 3 - coords = [x, y, z] - else: - ndim = 2 - coords = [x, y] - else: - raise TypeError('Invalid parameters given for Point initialization.') - - point = self._create_point(ndim, coords) - - # Initializing using the address returned from the GEOS - # createPoint factory. - super(Point, self).__init__(point, srid=srid) - - def _create_point(self, ndim, coords): - """ - Create a coordinate sequence, set X, Y, [Z], and create point - """ - if ndim < 2 or ndim > 3: - raise TypeError('Invalid point dimension: %s' % str(ndim)) - - cs = capi.create_cs(c_uint(1), c_uint(ndim)) - i = iter(coords) - capi.cs_setx(cs, 0, next(i)) - capi.cs_sety(cs, 0, next(i)) - if ndim == 3: capi.cs_setz(cs, 0, next(i)) - - return capi.create_point(cs) - - def _set_list(self, length, items): - ptr = self._create_point(length, items) - if ptr: - capi.destroy_geom(self.ptr) - self._ptr = ptr - self._set_cs() - else: - # can this happen? - raise GEOSException('Geometry resulting from slice deletion was invalid.') - - def _set_single(self, index, value): - self._cs.setOrdinate(index, 0, value) - - def __iter__(self): - "Allows iteration over coordinates of this Point." - for i in xrange(len(self)): - yield self[i] - - def __len__(self): - "Returns the number of dimensions for this Point (either 0, 2 or 3)." - if self.empty: return 0 - if self.hasz: return 3 - else: return 2 - - def _get_single_external(self, index): - if index == 0: - return self.x - elif index == 1: - return self.y - elif index == 2: - return self.z - - _get_single_internal = _get_single_external - - def get_x(self): - "Returns the X component of the Point." - return self._cs.getOrdinate(0, 0) - - def set_x(self, value): - "Sets the X component of the Point." - self._cs.setOrdinate(0, 0, value) - - def get_y(self): - "Returns the Y component of the Point." - return self._cs.getOrdinate(1, 0) - - def set_y(self, value): - "Sets the Y component of the Point." - self._cs.setOrdinate(1, 0, value) - - def get_z(self): - "Returns the Z component of the Point." - if self.hasz: - return self._cs.getOrdinate(2, 0) - else: - return None - - def set_z(self, value): - "Sets the Z component of the Point." - if self.hasz: - self._cs.setOrdinate(2, 0, value) - else: - raise GEOSException('Cannot set Z on 2D Point.') - - # X, Y, Z properties - x = property(get_x, set_x) - y = property(get_y, set_y) - z = property(get_z, set_z) - - ### Tuple setting and retrieval routines. ### - def get_coords(self): - "Returns a tuple of the point." - return self._cs.tuple - - def set_coords(self, tup): - "Sets the coordinates of the point with the given tuple." - self._cs[0] = tup - - # The tuple and coords properties - tuple = property(get_coords, set_coords) - coords = tuple |