def __init__(self, layer_ptr):
"Needs a C pointer (Python/ctypes integer) in order to initialize."
self._ptr = None # Initially NULL
if not layer_ptr:
raise OGRException('Cannot create Layer, invalid pointer given')
self._ptr = layer_ptr
self._ldefn = get_layer_defn(self._ptr)
def __init__(self, layer_ptr):
"Needs a C pointer (Python/ctypes integer) in order to initialize."
self._ptr = None # Initially NULL
if not layer_ptr:
raise OGRException('Cannot create Layer, invalid pointer given')
self._ptr = layer_ptr
self._ldefn = get_layer_defn(self._ptr)
def __init__(self, layer_ptr):
"Needs a C pointer (Python/ctypes integer) in order to initialize."
self._ptr = None # Initially NULL
if not layer_ptr:
raise OGRException('Cannot create Layer, invalid pointer given')
self._ptr = layer_ptr
self._ldefn = get_layer_defn(self._ptr)
# Does the Layer support random reading?
self._random_read = self.test_capability('RandomRead')
def __init__(self, layer_ptr, ds):
"""
Initializes on an OGR C pointer to the Layer and the `DataSource` object
that owns this layer. The `DataSource` object is required so that a
reference to it is kept with this Layer. This prevents garbage
collection of the `DataSource` while this Layer is still active.
"""
if not layer_ptr:
raise GDALException('Cannot create Layer, invalid pointer given')
self.ptr = layer_ptr
self._ds = ds
self._ldefn = capi.get_layer_defn(self._ptr)
# Does the Layer support random reading?
self._random_read = self.test_capability(b'RandomRead')
def __init__(self, layer_ptr, ds):
"""
Initializes on an OGR C pointer to the Layer and the `DataSource` object
that owns this layer. The `DataSource` object is required so that a
reference to it is kept with this Layer. This prevents garbage
collection of the `DataSource` while this Layer is still active.
"""
if not layer_ptr:
raise OGRException('Cannot create Layer, invalid pointer given')
self.ptr = layer_ptr
self._ds = ds
self._ldefn = capi.get_layer_defn(self._ptr)
# Does the Layer support random reading?
self._random_read = self.test_capability(b'RandomRead')
from ctypes import byref, c_double
