def map2segment(self):
"""Transform an existing map to segment file.
"""
row_buffer = Buffer((self._cols), self.mtype)
for row in range(self._rows):
libraster.Rast_get_row(self._fd, row_buffer.p, row, self._gtype)
self.segment.put_row(row, row_buffer)
def readbands(self, y):
self.y = int(y)
if self.y < 0:
self.y = 0
for n in range(0, 6):
raster.Rast_get_row(self.infd[n], self.Bandbuf[n], self.y,
self.data_type[n])
def map2segment(self):
"""Transform an existing map to segment file.
"""
if self.is_open():
row_buffer = Buffer((self._cols), self.mtype)
for row in xrange(self._rows):
libraster.Rast_get_row(self._fd, row_buffer.p, row,
self._gtype)
libseg.segment_put_row(ctypes.byref(self.segment.cseg),
row_buffer.p, row)
def get_row(self, row, row_buffer=None):
"""Private method that return the row using the read mode
call the `Rast_get_row` C function.
>>> elev[0] # doctest: +ELLIPSIS +NORMALIZE_WHITESPACE
Buffer([ 141.99613953, 141.27848816, 141.37904358, ..., 58.40825272,
58.30711365, 58.18310547], dtype=float32)
>>> elev.get_row(0) # doctest: +ELLIPSIS +NORMALIZE_WHITESPACE
Buffer([ 141.99613953, 141.27848816, 141.37904358, ..., 58.40825272,
58.30711365, 58.18310547], dtype=float32)
"""
if row_buffer is None:
row_buffer = Buffer((self._cols, ), self.mtype)
libraster.Rast_get_row(self._fd, row_buffer.p, row, self._gtype)
return row_buffer
def get_row(self, row, row_buffer=None):
"""Private method that return the row using the read mode
call the `Rast_get_row` C function.
:param row: the number of row to obtain
:type row: int
:param row_buffer: Buffer object instance with the right dim and type
:type row_buffer: Buffer
>>> elev = RasterRow(test_raster_name)
>>> elev.open()
>>> elev[0]
Buffer([11, 21, 31, 41], dtype=int32)
>>> elev.get_row(0)
Buffer([11, 21, 31, 41], dtype=int32)
"""
if row_buffer is None:
row_buffer = Buffer((self._cols, ), self.mtype)
libraster.Rast_get_row(self._fd, row_buffer.p, row, self._gtype)
return row_buffer
def get_row(self, row, row_buffer=None):
"""Private method that return the row using the read mode
call the `Rast_get_row` C function.
:param row: the number of row to obtain
:type row: int
:param row_buffer: Buffer object instance with the right dim and type
:type row_buffer: Buffer
>>> elev = RasterRow('elevation')
>>> elev.open()
>>> elev[0] # doctest: +ELLIPSIS +NORMALIZE_WHITESPACE
Buffer([ 141.99613953, 141.27848816, 141.37904358, ..., 58.40825272,
58.30711365, 58.18310547], dtype=float32)
>>> elev.get_row(0) # doctest: +ELLIPSIS +NORMALIZE_WHITESPACE
Buffer([ 141.99613953, 141.27848816, 141.37904358, ..., 58.40825272,
58.30711365, 58.18310547], dtype=float32)
"""
if row_buffer is None:
row_buffer = Buffer((self._cols, ), self.mtype)
libraster.Rast_get_row(self._fd, row_buffer.p, row, self._gtype)
return row_buffer
