def AdviseRead(self,
nXOff,
nYOff,
nXSize,
nYSize,
nBufXSize=None,
nBufYSize=None,
eDT=None,
BandMap=None,
options=[]):
if BandMap is None:
BandMap = range(1, self.RasterCount + 1)
if eDT is None:
eDT = self._band[0].DataType
if nBufXSize is None:
nBufXSize = nXSize
if nBufYSize is None:
nBufYSize = nYSize
IntBandMap = _gdal.ptrcreate('int', 0, len(BandMap))
for i in range(len(BandMap)):
_gdal.ptrset(IntBandMap, BandMap[i], i)
sl_options = _gdal.ListToStringList(options)
result = _gdal.GDALDatasetAdviseRead(self._o, nXOff, nYOff, nXSize,
nYSize, nBufXSize, nBufYSize, eDT,
len(BandMap), IntBandMap,
sl_options)
_gdal.CSLDestroy(sl_options)
_gdal.ptrfree(IntBandMap)
return result
def AdviseRead( self, nXOff, nYOff, nXSize, nYSize,
nBufXSize = None, nBufYSize = None,
eDT = None, BandMap = None, options = [] ):
if BandMap is None:
BandMap = range(1,self.RasterCount+1)
if eDT is None:
eDT = self._band[0].DataType
if nBufXSize is None:
nBufXSize = nXSize
if nBufYSize is None:
nBufYSize = nYSize
IntBandMap = _gdal.ptrcreate('int',0,len(BandMap))
for i in range(len(BandMap)):
_gdal.ptrset( IntBandMap, BandMap[i], i )
sl_options = _gdal.ListToStringList( options )
result = _gdal.GDALDatasetAdviseRead( self._o,
nXOff, nYOff, nXSize, nYSize,
nBufXSize, nBufYSize, eDT,
len(BandMap), IntBandMap,
sl_options )
_gdal.CSLDestroy( sl_options )
_gdal.ptrfree( IntBandMap )
return result
def SetGeoTransform(self,transform):
c_transform = _gdal.ptrcreate('double',0,6)
for i in range(6):
_gdal.ptrset( c_transform, transform[i], i );
err = _gdal.GDALSetGeoTransform(self._o,c_transform)
_gdal.ptrfree( c_transform )
return err
def SetGeoTransform(self, transform):
c_transform = _gdal.ptrcreate('double', 0, 6)
for i in range(6):
_gdal.ptrset(c_transform, transform[i], i)
err = _gdal.GDALSetGeoTransform(self._o, c_transform)
_gdal.ptrfree(c_transform)
return err
def SetDefaultHistogram( self, min, max, histogram ): count = len(histogram) hist_array = ptrcreate( 'int', 0, count) for i in range(count): ptrset( hist_array, histogram[i], i ) result = _gdal.GDALSetDefaultHistogram( self._o, min, max, count, hist_array ) ptrfree( hist_array ) return result
def SetDefaultHistogram(self, min, max, histogram):
count = len(histogram)
hist_array = ptrcreate('int', 0, count)
for i in range(count):
ptrset(hist_array, histogram[i], i)
result = _gdal.GDALSetDefaultHistogram(self._o, min, max, count,
hist_array)
ptrfree(hist_array)
return result
def ToNULLableString(x):
if x is None or x == 'NULL':
return 'NULL'
else:
l = len(x)
p = ptrcreate( 'char', '', l+1 )
for i in range(l):
ptrset( p, x[i], i )
ptrset( p, chr(0), l )
return ptrcast(p,'NULLableString')
def SetColorEntry( self, i, color ):
entry = ptrcreate( 'short', 0, 4 )
for j in range(4):
if j >= len(color):
ptrset( entry, 255, j )
else:
ptrset( entry, int(color[j]), j )
res = _gdal.GDALSetColorEntry( self._o, i,
ptrcast(entry,'GDALColorEntry_p') )
ptrfree( entry )
return res
def ToNULLableString(x):
if x is None or x == 'NULL':
return 'NULL'
else:
l = len(x)
p = ptrcreate('char', '', l + 1)
for i in range(l):
ptrset(p, x[i], i)
ptrset(p, chr(0), l)
return ptrcast(p, 'NULLableString')
def SetColorEntry(self, i, color):
entry = ptrcreate('short', 0, 4)
for j in range(4):
if j >= len(color):
ptrset(entry, 255, j)
else:
ptrset(entry, int(color[j]), j)
res = _gdal.GDALSetColorEntry(self._o, i,
ptrcast(entry, 'GDALColorEntry_p'))
ptrfree(entry)
return res