def test_identify_1():
file_list = gdal.ReadDir('data')
dr = gdal.IdentifyDriver('data/byte.tif', file_list)
assert dr is not None and dr.GetDescription() == 'GTiff', \
'Got wrong driver for byte.tif'
def netcdf_18():
if gdaltest.netcdf_drv is None:
return 'skip'
ifile = 'data/trmm-nc4c.nc'
if gdaltest.netcdf_drv_has_nc4:
# test with Open()
ds = gdal.Open(ifile)
if ds is None:
return 'fail'
else:
name = ds.GetDriver().GetDescription()
ds = None
#return fail if did not open with the netCDF driver (i.e. HDF5Image)
if name != 'netCDF':
return 'fail'
# test with Identify()
name = gdal.IdentifyDriver(ifile).GetDescription()
if name != 'netCDF':
return 'fail'
else:
return 'skip'
return 'success'
def isRaster(source):
"""
Test if loadRaster fails for the given input
Parameters:
-----------
source : str
The path to the raster file to load
Returns:
--------
bool -> True if the given input is a raster
"""
if isinstance(source, gdal.Dataset):
try:
if source.GetLayerCount() == 0:
return True # This should always be true?
else:
return False
except:
return False
elif isinstance(source, str):
d = gdal.IdentifyDriver(source)
meta = d.GetMetadata()
if meta.get("DCAP_RASTER", False) == "YES": return True
else: return False
else:
return False
def isVector(source):
"""
Test if loadVector fails for the given input
Parameters:
-----------
source : str
The path to the vector file to load
Returns:
--------
bool -> True if the given input is a vector
"""
if isinstance(source, gdal.Dataset):
if source.GetLayerCount() > 0: return True
else: return False
elif isinstance(source, str):
d = gdal.IdentifyDriver(source)
meta = d.GetMetadata()
if meta.get("DCAP_VECTOR", False) == "YES": return True
else: return False
else:
return False
def netcdf_23():
#don't skip if netcdf is not enabled in GDAL
#if gdaltest.netcdf_drv is None:
# return 'skip'
#if not gdaltest.netcdf_drv_has_hdf4:
# return 'skip'
#skip test if Hdf4 is not enabled in GDAL
if gdal.GetDriverByName( 'HDF4' ) is None and \
gdal.GetDriverByName( 'HDF4Image' ) is None:
return 'skip'
ifile = 'data/hdifftst2.hdf'
#test with Open()
ds = gdal.Open(ifile)
if ds is None:
gdaltest.post_reason('GDAL did not open hdf4 file')
return 'fail'
else:
name = ds.GetDriver().GetDescription()
ds = None
#return fail if opened with the netCDF driver
if name == 'netCDF':
gdaltest.post_reason('netcdf driver opened hdf4 file')
return 'fail'
# test with Identify()
name = gdal.IdentifyDriver(ifile).GetDescription()
if name == 'netCDF':
gdaltest.post_reason('netcdf driver was identified for hdf4 file')
return 'fail'
return 'success'
def identify_3():
dr = gdal.IdentifyDriver( 'data' )
if dr is not None:
gdaltest.post_reason( 'Got a driver for data directory!' )
return 'fail'
return 'success'
def identify_2():
file_list = gdal.ReadDir( 'data' )
dr = gdal.IdentifyDriver( 'data/byte.pnm.aux.xml', file_list )
if dr is not None:
gdaltest.post_reason( 'Got a driver for byte.pnm.aux.xml!' )
return 'fail'
return 'success'
def identify_1():
file_list = gdal.ReadDir( 'data' )
dr = gdal.IdentifyDriver( 'data/byte.tif', file_list )
if dr is None or dr.GetDescription() != 'GTiff':
gdaltest.post_reason( 'Got wrong driver for byte.tif' )
return 'fail'
return 'success'
def ProcessTarget(target, recursive, report_failure, filelist=None):
if filelist is not None:
driver = gdal.IdentifyDriver(target, filelist)
else:
driver = gdal.IdentifyDriver(target)
if driver is not None:
print('%s: %s' % (target, driver.ShortName))
elif report_failure:
print('%s: unrecognized' % target)
if recursive and driver is None:
try:
mode = os.stat(target)[stat.ST_MODE]
except OSError:
mode = 0
if stat.S_ISDIR(mode):
subfilelist = os.listdir(target)
for item in subfilelist:
subtarget = os.path.join(target, item)
ProcessTarget(subtarget, 1, report_failure, subfilelist)
def cleanup(self):
"""
Remove temporary file(s) and close dataset
"""
if os.path.exists(self.temp_image):
self.rasterDS = None
drvr = gdal.IdentifyDriver(self.temp_image)
drvr.Delete(self.temp_image)
del self.layer
self.layer = None
del self.ds
self.ds = None
if hasattr(self, 'reprojectedFile'):
drvr = self.reprojectedDS.GetDriver()
delattr(self, 'reprojectedDS')
drvr.DeleteDataSource(self.reprojectedFile)
delattr(self, 'reprojectedFile')
def netcdf_17():
if gdaltest.netcdf_drv is None:
return 'skip'
ifile = 'data/groups.h5'
#skip test if Hdf5 is not enabled
if gdal.GetDriverByName( 'HDF5' ) is None and \
gdal.GetDriverByName( 'HDF5Image' ) is None:
return 'skip'
if gdaltest.netcdf_drv_has_nc4:
#test with Open()
ds = gdal.Open(ifile)
if ds is None:
gdaltest.post_reason('GDAL did not open hdf5 file')
return 'fail'
else:
name = ds.GetDriver().GetDescription()
ds = None
#return fail if opened with the netCDF driver
if name == 'netCDF':
gdaltest.post_reason('netcdf driver opened hdf5 file')
return 'fail'
# test with Identify()
name = gdal.IdentifyDriver(ifile).GetDescription()
if name == 'netCDF':
gdaltest.post_reason('netcdf driver was identified for hdf5 file')
return 'fail'
else:
return 'skip'
return 'success'
def validate(self, filename, **kwargs):
if gdal.IdentifyDriver(filename) is None:
return False
return True
# =============================================================================
src_ds = gdal.Open(src_filename)
if src_ds is None:
print('Unable to open %s' % src_filename)
sys.exit(1)
srcband = src_ds.GetRasterBand(src_band_n)
# =============================================================================
# Try opening the destination file as an existing file.
# =============================================================================
try:
driver = gdal.IdentifyDriver(dst_filename)
if driver is not None:
dst_ds = gdal.Open(dst_filename, gdal.GA_Update)
dstband = dst_ds.GetRasterBand(dst_band_n)
else:
dst_ds = None
except:
dst_ds = None
# =============================================================================
# Create output file.
# =============================================================================
if dst_ds is None:
if format is None:
format = GetOutputDriverFor(dst_filename)
def main():
"""
Main routine
"""
cmdargs = getCmdargs()
errorStatus = 0
truesegfile = "tmp_trueseg.kea"
if cmdargs.knownseg is not None:
truesegfile = cmdargs.knownseg
imagefile = "tmp_image.kea"
outsegfile = "tmp_seg.kea"
tmpdatafiles = [imagefile, outsegfile]
if cmdargs.knownseg is None:
tmpdatafiles.append(truesegfile)
if cmdargs.knownseg is None:
print("Generating known segmentation {}".format(truesegfile))
generateTrueSegments(truesegfile)
print("Creating known multi-spectral image {}".format(imagefile))
createMultispectral(truesegfile, imagefile)
# Ensure enough clusters that we have a different cluster for each
# segment in the generated image. We have not guarded against neighbours
# being similar, so this will prevent neighbouring segments being
# merged too easily.
numClusters = len(initialCentres)
print("Doing tiled segmentation, creating {}".format(outsegfile))
# Note that we use fourConnected=False, to avoid disconnecting the
# pointy ends of long thin slivers, which can arise due to how we
# generated the original segments.
segResults = tiling.doTiledShepherdSegmentation(imagefile,
outsegfile,
numClusters=numClusters,
fixedKMeansInit=True,
fourConnected=False)
(meanColNames, stdColNames) = makeRATcolumns(segResults, outsegfile,
imagefile)
pcntMatch = checkSegmentation(imagefile, outsegfile, meanColNames,
stdColNames)
print("Segment match on {}% of pixels".format(pcntMatch))
if pcntMatch < 100:
print(
"Matching on less than 100% suggests that the segmentation went wrong"
)
errorStatus = 1
print("Adding colour table to {}".format(outsegfile))
utils.writeColorTableFromRatColumns(outsegfile, meanColNames[0],
meanColNames[1], meanColNames[2])
if not cmdargs.keep:
print("Removing generated data")
for fn in tmpdatafiles:
drvr = gdal.IdentifyDriver(fn)
drvr.Delete(fn)
# Exit with an explicit status code, so that Github workflow
# can recognise if something went wrong.
sys.exit(errorStatus)
def test_identify_2():
file_list = gdal.ReadDir('data')
dr = gdal.IdentifyDriver('data/byte.pnm.aux.xml', file_list)
assert dr is None, 'Got a driver for byte.pnm.aux.xml!'
def gdal_proximity(
src_filename: Optional[str] = None,
src_band_n: int = 1,
dst_filename: Optional[str] = None,
dst_band_n: int = 1,
driver_name: Optional[str] = None,
creation_type: str = 'Float32',
creation_options: Optional[Sequence[str]] = None,
alg_options: Optional[Sequence[str]] = None,
quiet: bool = False):
# =============================================================================
# Open source file
# =============================================================================
creation_options = creation_options or []
alg_options = alg_options or []
src_ds = gdal.Open(src_filename)
if src_ds is None:
print('Unable to open %s' % src_filename)
return 1
srcband = src_ds.GetRasterBand(src_band_n)
# =============================================================================
# Try opening the destination file as an existing file.
# =============================================================================
try:
driver_name = gdal.IdentifyDriver(dst_filename)
if driver_name is not None:
dst_ds = gdal.Open(dst_filename, gdal.GA_Update)
dstband = dst_ds.GetRasterBand(dst_band_n)
else:
dst_ds = None
except:
dst_ds = None
# =============================================================================
# Create output file.
# =============================================================================
if dst_ds is None:
if driver_name is None:
driver_name = GetOutputDriverFor(dst_filename)
drv = gdal.GetDriverByName(driver_name)
dst_ds = drv.Create(dst_filename,
src_ds.RasterXSize, src_ds.RasterYSize, 1,
gdal.GetDataTypeByName(creation_type), creation_options)
dst_ds.SetGeoTransform(src_ds.GetGeoTransform())
dst_ds.SetProjection(src_ds.GetProjectionRef())
dstband = dst_ds.GetRasterBand(1)
# =============================================================================
# Invoke algorithm.
# =============================================================================
if quiet:
prog_func = None
else:
prog_func = gdal.TermProgress_nocb
gdal.ComputeProximity(srcband, dstband, alg_options,
callback=prog_func)
srcband = None
dstband = None
src_ds = None
dst_ds = None
def gdal_api_proxy_sub():
src_ds = gdal.Open('data/byte.tif')
src_cs = src_ds.GetRasterBand(1).Checksum()
src_gt = src_ds.GetGeoTransform()
src_prj = src_ds.GetProjectionRef()
src_data = src_ds.ReadRaster(0, 0, 20, 20)
src_md = src_ds.GetMetadata()
src_ds = None
drv = gdal.IdentifyDriver('data/byte.tif')
if drv.GetDescription() != 'API_PROXY':
gdaltest.post_reason('fail')
return 'fail'
ds = gdal.GetDriverByName('GTiff').Create('tmp/byte.tif', 1, 1, 3)
ds = None
src_ds = gdal.Open('data/byte.tif')
ds = gdal.GetDriverByName('GTiff').CreateCopy('tmp/byte.tif',
src_ds,
options=['TILED=YES'])
got_cs = ds.GetRasterBand(1).Checksum()
if src_cs != got_cs:
gdaltest.post_reason('fail')
return 'fail'
ds = None
ds = gdal.Open('tmp/byte.tif', gdal.GA_Update)
ds.SetGeoTransform([1, 2, 3, 4, 5, 6])
got_gt = ds.GetGeoTransform()
if src_gt == got_gt:
gdaltest.post_reason('fail')
return 'fail'
ds.SetGeoTransform(src_gt)
got_gt = ds.GetGeoTransform()
if src_gt != got_gt:
gdaltest.post_reason('fail')
return 'fail'
if ds.GetGCPCount() != 0:
gdaltest.post_reason('fail')
return 'fail'
if ds.GetGCPProjection() != '':
print(ds.GetGCPProjection())
gdaltest.post_reason('fail')
return 'fail'
if len(ds.GetGCPs()) != 0:
gdaltest.post_reason('fail')
return 'fail'
gcps = [gdal.GCP(0, 1, 2, 3, 4)]
ds.SetGCPs(gcps, "foo")
got_gcps = ds.GetGCPs()
if len(got_gcps) != 1:
gdaltest.post_reason('fail')
return 'fail'
if got_gcps[0].GCPLine != gcps[0].GCPLine or \
got_gcps[0].GCPPixel != gcps[0].GCPPixel or \
got_gcps[0].GCPX != gcps[0].GCPX or \
got_gcps[0].GCPY != gcps[0].GCPY:
gdaltest.post_reason('fail')
return 'fail'
if ds.GetGCPProjection() != 'foo':
gdaltest.post_reason('fail')
print(ds.GetGCPProjection())
return 'fail'
ds.SetGCPs([], "")
if len(ds.GetGCPs()) != 0:
gdaltest.post_reason('fail')
return 'fail'
ds.SetProjection('')
got_prj = ds.GetProjectionRef()
if src_prj == got_prj:
gdaltest.post_reason('fail')
return 'fail'
ds.SetProjection(src_prj)
got_prj = ds.GetProjectionRef()
if src_prj != got_prj:
gdaltest.post_reason('fail')
print(src_prj)
print(got_prj)
return 'fail'
ds.GetRasterBand(1).Fill(0)
got_cs = ds.GetRasterBand(1).Checksum()
if 0 != got_cs:
gdaltest.post_reason('fail')
return 'fail'
ds.GetRasterBand(1).WriteRaster(0, 0, 20, 20, src_data)
got_cs = ds.GetRasterBand(1).Checksum()
if src_cs != got_cs:
gdaltest.post_reason('fail')
return 'fail'
ds.GetRasterBand(1).Fill(0)
got_cs = ds.GetRasterBand(1).Checksum()
if 0 != got_cs:
gdaltest.post_reason('fail')
return 'fail'
ds.WriteRaster(0, 0, 20, 20, src_data)
got_cs = ds.GetRasterBand(1).Checksum()
if src_cs != got_cs:
gdaltest.post_reason('fail')
return 'fail'
# Not bound to SWIG
# ds.AdviseRead(0,0,20,20,20,20)
got_data = ds.ReadRaster(0, 0, 20, 20)
if src_data != got_data:
gdaltest.post_reason('fail')
return 'fail'
got_data = ds.GetRasterBand(1).ReadRaster(0, 0, 20, 20)
if src_data != got_data:
gdaltest.post_reason('fail')
return 'fail'
got_data_weird_spacing = ds.ReadRaster(0,
0,
20,
20,
buf_pixel_space=1,
buf_line_space=32)
if len(got_data_weird_spacing) != 32 * (20 - 1) + 20:
gdaltest.post_reason('fail')
print(len(got_data_weird_spacing))
return 'fail'
if got_data[20:20 + 20] != got_data_weird_spacing[32:32 + 20]:
gdaltest.post_reason('fail')
return 'fail'
got_data_weird_spacing = ds.GetRasterBand(1).ReadRaster(0,
0,
20,
20,
buf_pixel_space=1,
buf_line_space=32)
if len(got_data_weird_spacing) != 32 * (20 - 1) + 20:
gdaltest.post_reason('fail')
print(len(got_data_weird_spacing))
return 'fail'
if got_data[20:20 + 20] != got_data_weird_spacing[32:32 + 20]:
gdaltest.post_reason('fail')
return 'fail'
got_block = ds.GetRasterBand(1).ReadBlock(0, 0)
if len(got_block) != 256 * 256:
gdaltest.post_reason('fail')
return 'fail'
if got_data[20:20 + 20] != got_block[256:256 + 20]:
gdaltest.post_reason('fail')
return 'fail'
ds.FlushCache()
ds.GetRasterBand(1).FlushCache()
got_data = ds.GetRasterBand(1).ReadRaster(0, 0, 20, 20)
if src_data != got_data:
gdaltest.post_reason('fail')
return 'fail'
if len(ds.GetFileList()) != 1:
gdaltest.post_reason('fail')
return 'fail'
if ds.AddBand(gdal.GDT_Byte) == 0:
gdaltest.post_reason('fail')
return 'fail'
got_md = ds.GetMetadata()
if src_md != got_md:
gdaltest.post_reason('fail')
print(src_md)
print(got_md)
return 'fail'
if ds.GetMetadataItem('AREA_OR_POINT') != 'Area':
gdaltest.post_reason('fail')
return 'fail'
if ds.GetMetadataItem('foo') is not None:
gdaltest.post_reason('fail')
return 'fail'
ds.SetMetadataItem('foo', 'bar')
if ds.GetMetadataItem('foo') != 'bar':
gdaltest.post_reason('fail')
return 'fail'
ds.SetMetadata({'foo': 'baz'}, 'OTHER')
if ds.GetMetadataItem('foo', 'OTHER') != 'baz':
gdaltest.post_reason('fail')
return 'fail'
ds.GetRasterBand(1).SetMetadata({'foo': 'baw'}, 'OTHER')
if ds.GetRasterBand(1).GetMetadataItem('foo', 'OTHER') != 'baw':
gdaltest.post_reason('fail')
return 'fail'
if ds.GetMetadataItem('INTERLEAVE', 'IMAGE_STRUCTURE') != 'BAND':
gdaltest.post_reason('fail')
return 'fail'
if len(ds.GetRasterBand(1).GetMetadata()) != 0:
gdaltest.post_reason('fail')
print(ds.GetRasterBand(1).GetMetadata())
return 'fail'
if ds.GetRasterBand(1).GetMetadataItem('foo') is not None:
gdaltest.post_reason('fail')
return 'fail'
ds.GetRasterBand(1).SetMetadataItem('foo', 'baz')
if ds.GetRasterBand(1).GetMetadataItem('foo') != 'baz':
gdaltest.post_reason('fail')
return 'fail'
ds.GetRasterBand(1).SetMetadata({'foo': 'baw'})
if ds.GetRasterBand(1).GetMetadataItem('foo') != 'baw':
gdaltest.post_reason('fail')
return 'fail'
if ds.GetRasterBand(1).GetColorInterpretation() != gdal.GCI_GrayIndex:
gdaltest.post_reason('fail')
return 'fail'
ds.GetRasterBand(1).SetColorInterpretation(gdal.GCI_Undefined)
ct = ds.GetRasterBand(1).GetColorTable()
if ct is not None:
gdaltest.post_reason('fail')
return 'fail'
ct = gdal.ColorTable()
ct.SetColorEntry(0, (1, 2, 3))
if ds.GetRasterBand(1).SetColorTable(ct) != 0:
gdaltest.post_reason('fail')
return 'fail'
ct = ds.GetRasterBand(1).GetColorTable()
if ct is None:
gdaltest.post_reason('fail')
return 'fail'
if ct.GetColorEntry(0) != (1, 2, 3, 255):
gdaltest.post_reason('fail')
return 'fail'
ct = ds.GetRasterBand(1).GetColorTable()
if ct is None:
gdaltest.post_reason('fail')
return 'fail'
if ds.GetRasterBand(1).SetColorTable(None) != 0:
gdaltest.post_reason('fail')
return 'fail'
ct = ds.GetRasterBand(1).GetColorTable()
if ct is not None:
gdaltest.post_reason('fail')
return 'fail'
rat = ds.GetRasterBand(1).GetDefaultRAT()
if rat is not None:
gdaltest.post_reason('fail')
return 'fail'
if ds.GetRasterBand(1).SetDefaultRAT(None) != 0:
gdaltest.post_reason('fail')
return 'fail'
ref_rat = gdal.RasterAttributeTable()
if ds.GetRasterBand(1).SetDefaultRAT(ref_rat) != 0:
gdaltest.post_reason('fail')
return 'fail'
rat = ds.GetRasterBand(1).GetDefaultRAT()
if rat is not None:
gdaltest.post_reason('fail')
return 'fail'
if ds.GetRasterBand(1).SetDefaultRAT(None) != 0:
gdaltest.post_reason('fail')
return 'fail'
rat = ds.GetRasterBand(1).GetDefaultRAT()
if rat is not None:
gdaltest.post_reason('fail')
return 'fail'
if ds.GetRasterBand(1).GetMinimum() is not None:
gdaltest.post_reason('fail')
return 'fail'
got_stats = ds.GetRasterBand(1).GetStatistics(0, 0)
if got_stats[3] >= 0.0:
gdaltest.post_reason('fail')
return 'fail'
got_stats = ds.GetRasterBand(1).GetStatistics(1, 1)
if got_stats[0] != 74.0:
gdaltest.post_reason('fail')
return 'fail'
if ds.GetRasterBand(1).GetMinimum() != 74.0:
gdaltest.post_reason('fail')
return 'fail'
if ds.GetRasterBand(1).GetMaximum() != 255.0:
gdaltest.post_reason('fail')
return 'fail'
ds.GetRasterBand(1).SetStatistics(1, 2, 3, 4)
got_stats = ds.GetRasterBand(1).GetStatistics(1, 1)
if got_stats != [1, 2, 3, 4]:
print(got_stats)
gdaltest.post_reason('fail')
return 'fail'
ds.GetRasterBand(1).ComputeStatistics(0)
got_stats = ds.GetRasterBand(1).GetStatistics(1, 1)
if got_stats[0] != 74.0:
gdaltest.post_reason('fail')
return 'fail'
minmax = ds.GetRasterBand(1).ComputeRasterMinMax()
if minmax != (74.0, 255.0):
gdaltest.post_reason('fail')
print(minmax)
return 'fail'
if ds.GetRasterBand(1).GetOffset() != 0.0:
gdaltest.post_reason('fail')
return 'fail'
if ds.GetRasterBand(1).GetScale() != 1.0:
gdaltest.post_reason('fail')
return 'fail'
ds.GetRasterBand(1).SetOffset(10.0)
if ds.GetRasterBand(1).GetOffset() != 10.0:
gdaltest.post_reason('fail')
return 'fail'
ds.GetRasterBand(1).SetScale(2.0)
if ds.GetRasterBand(1).GetScale() != 2.0:
gdaltest.post_reason('fail')
return 'fail'
ds.BuildOverviews('NEAR', [2])
if ds.GetRasterBand(1).GetOverviewCount() != 1:
gdaltest.post_reason('fail')
return 'fail'
if ds.GetRasterBand(1).GetOverview(-1) is not None:
gdaltest.post_reason('fail')
return 'fail'
if ds.GetRasterBand(1).GetOverview(0) is None:
gdaltest.post_reason('fail')
return 'fail'
if ds.GetRasterBand(1).GetOverview(0) is None:
gdaltest.post_reason('fail')
return 'fail'
got_hist = ds.GetRasterBand(1).GetHistogram()
if len(got_hist) != 256:
gdaltest.post_reason('fail')
return 'fail'
(minval, maxval, nitems,
got_hist2) = ds.GetRasterBand(1).GetDefaultHistogram()
if minval != -0.5:
gdaltest.post_reason('fail')
return 'fail'
if maxval != 255.5:
gdaltest.post_reason('fail')
return 'fail'
if nitems != 256:
gdaltest.post_reason('fail')
return 'fail'
if got_hist != got_hist2:
gdaltest.post_reason('fail')
return 'fail'
ds.GetRasterBand(1).SetDefaultHistogram(1, 2, [3])
(minval, maxval, nitems,
got_hist3) = ds.GetRasterBand(1).GetDefaultHistogram()
if minval != 1:
gdaltest.post_reason('fail')
return 'fail'
if maxval != 2:
gdaltest.post_reason('fail')
return 'fail'
if nitems != 1:
gdaltest.post_reason('fail')
return 'fail'
if got_hist3[0] != 3:
gdaltest.post_reason('fail')
return 'fail'
got_nodatavalue = ds.GetRasterBand(1).GetNoDataValue()
if got_nodatavalue is not None:
gdaltest.post_reason('fail')
return 'fail'
ds.GetRasterBand(1).SetNoDataValue(123)
got_nodatavalue = ds.GetRasterBand(1).GetNoDataValue()
if got_nodatavalue != 123:
gdaltest.post_reason('fail')
return 'fail'
if ds.GetRasterBand(1).GetMaskFlags() != 8:
gdaltest.post_reason('fail')
return 'fail'
if ds.GetRasterBand(1).GetMaskBand() is None:
gdaltest.post_reason('fail')
return 'fail'
ret = ds.GetRasterBand(1).DeleteNoDataValue()
if ret != 0:
gdaltest.post_reason('fail')
return 'fail'
got_nodatavalue = ds.GetRasterBand(1).GetNoDataValue()
if got_nodatavalue is not None:
gdaltest.post_reason('fail')
return 'fail'
ds.CreateMaskBand(0)
if ds.GetRasterBand(1).GetMaskFlags() != 2:
print(ds.GetRasterBand(1).GetMaskFlags())
gdaltest.post_reason('fail')
return 'fail'
if ds.GetRasterBand(1).GetMaskBand() is None:
gdaltest.post_reason('fail')
return 'fail'
ds.GetRasterBand(1).CreateMaskBand(0)
if ds.GetRasterBand(1).HasArbitraryOverviews() != 0:
gdaltest.post_reason('fail')
return 'fail'
ds.GetRasterBand(1).SetUnitType('foo')
if ds.GetRasterBand(1).GetUnitType() != 'foo':
gdaltest.post_reason('fail')
return 'fail'
if ds.GetRasterBand(1).GetCategoryNames() is not None:
gdaltest.post_reason('fail')
return 'fail'
ds.GetRasterBand(1).SetCategoryNames(['foo'])
if ds.GetRasterBand(1).GetCategoryNames() != ['foo']:
gdaltest.post_reason('fail')
return 'fail'
ds.GetRasterBand(1).SetDescription('bar')
ds = None
gdal.GetDriverByName('GTiff').Delete('tmp/byte.tif')
return 'success'
def main(argv):
frmt = None
creation_options = []
options = []
src_filename = None
src_band_n = 1
dst_filename = None
dst_band_n = 1
creation_type = 'Float32'
quiet_flag = 0
gdal.AllRegister()
argv = gdal.GeneralCmdLineProcessor(argv)
if argv is None:
sys.exit(0)
# Parse command line arguments.
i = 1
while i < len(argv):
arg = argv[i]
if arg == '-of' or arg == '-f':
i = i + 1
frmt = argv[i]
elif arg == '-co':
i = i + 1
creation_options.append(argv[i])
elif arg == '-ot':
i = i + 1
creation_type = argv[i]
elif arg == '-maxdist':
i = i + 1
options.append('MAXDIST=' + argv[i])
elif arg == '-values':
i = i + 1
options.append('VALUES=' + argv[i])
elif arg == '-distunits':
i = i + 1
options.append('DISTUNITS=' + argv[i])
elif arg == '-nodata':
i = i + 1
options.append('NODATA=' + argv[i])
elif arg == '-use_input_nodata':
i = i + 1
options.append('USE_INPUT_NODATA=' + argv[i])
elif arg == '-fixed-buf-val':
i = i + 1
options.append('FIXED_BUF_VAL=' + argv[i])
elif arg == '-srcband':
i = i + 1
src_band_n = int(argv[i])
elif arg == '-dstband':
i = i + 1
dst_band_n = int(argv[i])
elif arg == '-q' or arg == '-quiet':
quiet_flag = 1
elif src_filename is None:
src_filename = argv[i]
elif dst_filename is None:
dst_filename = argv[i]
else:
Usage()
i = i + 1
if src_filename is None or dst_filename is None:
Usage()
# =============================================================================
# Open source file
# =============================================================================
src_ds = gdal.Open(src_filename)
if src_ds is None:
print('Unable to open %s' % src_filename)
sys.exit(1)
srcband = src_ds.GetRasterBand(src_band_n)
# =============================================================================
# Try opening the destination file as an existing file.
# =============================================================================
try:
driver = gdal.IdentifyDriver(dst_filename)
if driver is not None:
dst_ds = gdal.Open(dst_filename, gdal.GA_Update)
dstband = dst_ds.GetRasterBand(dst_band_n)
else:
dst_ds = None
except:
dst_ds = None
# =============================================================================
# Create output file.
# =============================================================================
if dst_ds is None:
if frmt is None:
frmt = GetOutputDriverFor(dst_filename)
drv = gdal.GetDriverByName(frmt)
dst_ds = drv.Create(dst_filename, src_ds.RasterXSize,
src_ds.RasterYSize, 1,
gdal.GetDataTypeByName(creation_type),
creation_options)
dst_ds.SetGeoTransform(src_ds.GetGeoTransform())
dst_ds.SetProjection(src_ds.GetProjectionRef())
dstband = dst_ds.GetRasterBand(1)
# =============================================================================
# Invoke algorithm.
# =============================================================================
if quiet_flag:
prog_func = None
else:
prog_func = gdal.TermProgress_nocb
gdal.ComputeProximity(srcband, dstband, options, callback=prog_func)
srcband = None
dstband = None
src_ds = None
dst_ds = None
def main_loop():
server_ds = None
server_bands = []
gdal.SetConfigOption('GDAL_API_PROXY', 'NO')
while 1:
sys.stdout.flush()
instr = read_int()
if VERBOSE:
sys.stderr.write('instr=%d\n' % instr)
band = None
if instr >= INSTR_Band_First and instr <= INSTR_Band_End:
srv_band = read_int()
band = server_bands[srv_band]
if instr == INSTR_GetGDALVersion:
if sys.version_info >= (3, 0, 0):
lsb = struct.unpack('B', sys.stdin.read(1).encode('latin1'))[0]
else:
lsb = struct.unpack('B', sys.stdin.read(1))[0]
ver = read_str()
vmajor = read_int()
vminor = read_int()
protovmajor = read_int()
protovminor = read_int()
extra_bytes = read_int()
if VERBOSE:
sys.stderr.write('lsb=%d\n' % lsb)
sys.stderr.write('ver=%s\n' % ver)
sys.stderr.write('vmajor=%d\n' % vmajor)
sys.stderr.write('vminor=%d\n' % vminor)
sys.stderr.write('protovmajor=%d\n' % protovmajor)
sys.stderr.write('protovminor=%d\n' % protovminor)
sys.stderr.write('extra_bytes=%d\n' % extra_bytes)
write_str('2.1dev')
write_int(2) # vmajor
write_int(1) # vminor
write_int(3) # protovmajor
write_int(0) # protovminor
write_int(0) # extra bytes
continue
elif instr == INSTR_EXIT:
server_ds = None
server_bands = []
write_marker()
write_int(1)
sys.exit(0)
elif instr == INSTR_EXIT_FAIL:
server_ds = None
server_bands = []
write_marker()
write_int(1)
sys.exit(1)
elif instr == INSTR_SetConfigOption:
key = read_str()
val = read_str()
gdal.SetConfigOption(key, val)
if VERBOSE:
sys.stderr.write('key=%s\n' % key)
sys.stderr.write('val=%s\n' % val)
continue
elif instr == INSTR_Reset:
# if server_ds is not None:
# sys.stderr.write('Reset(%s)\n' % server_ds.GetDescription())
server_ds = None
server_bands = []
write_marker()
write_int(1)
elif instr == INSTR_Open:
access = read_int()
filename = read_str()
cwd = read_str()
open_options = read_strlist()
if cwd is not None:
os.chdir(cwd)
if VERBOSE:
sys.stderr.write('access=%d\n' % access)
sys.stderr.write('filename=%s\n' % filename)
sys.stderr.write('cwd=%s\n' % cwd)
sys.stderr.write('open_options=%s\n' % str(open_options))
# sys.stderr.write('Open(%s)\n' % filename)
try:
server_ds = GDALPythonServerDataset(filename, access, open_options)
except:
server_ds = None
write_marker()
if server_ds is None:
write_int(0) # Failure
else:
write_int(1) # Success
write_int(16) # caps length
caps = [0 for i in range(16)]
for cap in caps_list:
caps[int(cap / 8)] = caps[int(cap / 8)] | (1 << (cap % 8))
for i in range(16):
sys.stdout.write(struct.pack('B', caps[i])) # caps
write_str(server_ds.GetDescription())
drv = server_ds.GetDriver()
if drv is not None:
write_str(drv.GetDescription())
write_int(0) # End of driver metadata
else:
write_str(None)
write_int(server_ds.RasterXSize) # X
write_int(server_ds.RasterYSize) # Y
write_int(server_ds.RasterCount) # Band count
write_int(1) # All bands are identical
if server_ds.RasterCount > 0:
write_band(server_ds.GetRasterBand(1), len(server_bands))
for i in range(server_ds.RasterCount):
server_bands.append(server_ds.GetRasterBand(i + 1))
elif instr == INSTR_Identify:
filename = read_str()
cwd = read_str()
dr = gdal.IdentifyDriver(filename)
write_marker()
if dr is None:
write_int(0)
else:
write_int(1)
elif instr == INSTR_Create:
filename = read_str()
cwd = read_str()
read_int() # xsize =
read_int() # ysize =
read_int() # bands =
read_int() # datatype =
read_strlist() # options =
write_marker()
# FIXME
write_int(0)
elif instr == INSTR_CreateCopy:
filename = read_str()
read_str() # src_description =
cwd = read_str()
read_int() # strict =
read_strlist() # options =
# FIXME
write_int(0)
elif instr == INSTR_QuietDelete:
filename = read_str()
cwd = read_str()
write_marker()
# FIXME
elif instr == INSTR_GetGeoTransform:
gt = server_ds.GetGeoTransform()
write_marker()
if gt is not None:
write_int(CE_None)
write_int(6 * 8)
for i in range(6):
write_double(gt[i])
else:
write_int(CE_Failure)
elif instr == INSTR_GetProjectionRef:
write_marker()
write_str(server_ds.GetProjectionRef())
elif instr == INSTR_GetGCPCount:
write_marker()
write_int(server_ds.GetGCPCount())
elif instr == INSTR_GetFileList:
write_marker()
fl = server_ds.GetFileList()
write_int(len(fl))
for f in fl:
write_str(f)
elif instr == INSTR_GetMetadata:
domain = read_str()
md = server_ds.GetMetadata(domain)
write_marker()
write_int(len(md))
for key in md:
write_str('%s=%s' % (key, md[key]))
elif instr == INSTR_GetMetadataItem:
key = read_str()
domain = read_str()
val = server_ds.GetMetadataItem(key, domain)
write_marker()
write_str(val)
elif instr == INSTR_IRasterIO_Read:
nXOff = read_int()
nYOff = read_int()
nXSize = read_int()
nYSize = read_int()
nBufXSize = read_int()
nBufYSize = read_int()
nBufType = read_int()
nBandCount = read_int()
panBandMap = []
read_int() # size =
for i in range(nBandCount):
panBandMap.append(read_int())
nPixelSpace = read_bigint()
nLineSpace = read_bigint()
nBandSpace = read_bigint()
val = server_ds.IRasterIO_Read(nXOff, nYOff, nXSize, nYSize, nBufXSize, nBufYSize, nBufType, panBandMap, nPixelSpace, nLineSpace, nBandSpace)
write_marker()
if val is None:
write_int(CE_Failure)
write_int(0)
else:
write_int(CE_None)
write_int(len(val))
sys.stdout.write(val)
elif instr == INSTR_FlushCache:
if server_ds is not None:
server_ds.FlushCache()
write_marker()
elif instr == INSTR_Band_FlushCache:
val = band.FlushCache()
write_marker()
write_int(val)
elif instr == INSTR_Band_GetCategoryNames:
write_marker()
# FIXME
write_int(-1)
elif instr == INSTR_Band_GetMetadata:
domain = read_str()
md = band.GetMetadata(domain)
write_marker()
write_int(len(md))
for key in md:
write_str('%s=%s' % (key, md[key]))
elif instr == INSTR_Band_GetMetadataItem:
key = read_str()
domain = read_str()
val = band.GetMetadataItem(key, domain)
write_marker()
write_str(val)
elif instr == INSTR_Band_GetColorInterpretation:
val = band.GetColorInterpretation()
write_marker()
write_int(val)
elif instr == INSTR_Band_GetNoDataValue:
val = band.GetNoDataValue()
write_marker()
if val is None:
write_int(0)
write_double(0)
else:
write_int(1)
write_double(val)
elif instr == INSTR_Band_GetMinimum:
val = band.GetMinimum()
write_marker()
if val is None:
write_int(0)
write_double(0)
else:
write_int(1)
write_double(val)
elif instr == INSTR_Band_GetMaximum:
val = band.GetMaximum()
write_marker()
if val is None:
write_int(0)
write_double(0)
else:
write_int(1)
write_double(val)
elif instr == INSTR_Band_GetOffset:
val = band.GetOffset()
write_marker()
if val is None:
write_int(0)
write_double(0)
else:
write_int(1)
write_double(val)
elif instr == INSTR_Band_GetScale:
val = band.GetScale()
write_marker()
if val is None:
write_int(0)
write_double(1) # default value is 1
else:
write_int(1)
write_double(val)
elif instr == INSTR_Band_IReadBlock:
nXBlockOff = read_int()
nYBlockOff = read_int()
val = band.IReadBlock(nXBlockOff, nYBlockOff)
write_marker()
if val is None:
write_int(CE_Failure)
length = band.BlockXSize * band.BlockYSize * (gdal.GetDataTypeSize(band.DataType) / 8)
write_int(length)
sys.stdout.write(''.join('\0' for i in range(length)))
else:
write_int(CE_None)
write_int(len(val))
sys.stdout.write(val)
elif instr == INSTR_Band_IRasterIO_Read:
nXOff = read_int()
nYOff = read_int()
nXSize = read_int()
nYSize = read_int()
nBufXSize = read_int()
nBufYSize = read_int()
nBufType = read_int()
val = band.IRasterIO_Read(nXOff, nYOff, nXSize, nYSize, nBufXSize, nBufYSize, nBufType)
write_marker()
if val is None:
write_int(CE_Failure)
write_int(0)
else:
write_int(CE_None)
write_int(len(val))
sys.stdout.write(val)
elif instr == INSTR_Band_GetStatistics:
approx_ok = read_int()
force = read_int()
val = band.GetStatistics(approx_ok, force)
write_marker()
if val is None or val[3] < 0:
write_int(CE_Failure)
else:
write_int(CE_None)
write_double(val[0])
write_double(val[1])
write_double(val[2])
write_double(val[3])
elif instr == INSTR_Band_ComputeRasterMinMax:
approx_ok = read_int()
val = band.ComputeRasterMinMax(approx_ok)
write_marker()
if val is None:
write_int(CE_Failure)
else:
write_int(CE_None)
write_double(val[0])
write_double(val[1])
elif instr == INSTR_Band_GetHistogram:
dfMin = read_double()
dfMax = read_double()
nBuckets = read_int()
bIncludeOutOfRange = read_int()
bApproxOK = read_int()
val = band.GetHistogram(dfMin, dfMax, nBuckets, bIncludeOutOfRange, bApproxOK)
write_marker()
if val is None:
write_int(CE_Failure)
else:
write_int(CE_None)
write_int(len(val) * 8)
for v in val:
write_uint64(v)
# elif instr == INSTR_Band_GetDefaultHistogram:
# bForce = read_int()
# write_marker()
# write_int(CE_Failure)
elif instr == INSTR_Band_HasArbitraryOverviews:
val = band.HasArbitraryOverviews()
write_marker()
write_int(val)
elif instr == INSTR_Band_GetOverviewCount:
val = band.GetOverviewCount()
write_marker()
write_int(val)
elif instr == INSTR_Band_GetOverview:
iovr = read_int()
ovr_band = band.GetOverview(iovr)
write_marker()
write_band(ovr_band, len(server_bands))
if ovr_band is not None:
server_bands.append(ovr_band)
elif instr == INSTR_Band_GetMaskBand:
msk_band = band.GetMaskBand()
write_marker()
write_band(msk_band, len(server_bands))
if msk_band is not None:
server_bands.append(msk_band)
elif instr == INSTR_Band_GetMaskFlags:
val = band.GetMaskFlags()
write_marker()
write_int(val)
elif instr == INSTR_Band_GetColorTable:
ct = band.GetColorTable()
write_marker()
write_ct(ct)
elif instr == INSTR_Band_GetUnitType:
val = band.GetUnitType()
write_marker()
write_str(val)
# elif instr == INSTR_Band_GetDefaultRAT:
# write_marker()
# # FIXME
# write_int(0)
else:
break
write_zero_error()
#%% Set cmap if SCM
if cmap_name.startswith('SCM'):
if cmap_name.endswith('_r'):
exec("cmap = {}.reversed()".format(cmap_name[:-2]))
else:
exec("cmap = {}".format(cmap_name))
elif cmap_name == 'insar':
cdict = tools_lib.cmap_insar()
plt.register_cmap(
cmap=mpl.colors.LinearSegmentedColormap('insar', cdict))
cmap = 'insar'
else:
cmap = cmap_name
#%% Get info and Read data
if gdal.IdentifyDriver(infile): ## If Geotiff or grd
geotiff = gdal.Open(infile)
data = geotiff.ReadAsArray()
if data.ndim > 2:
print('\nERROR: {} has multiple bands and cannot be displayed.\n'.
format(infile),
file=sys.stderr)
sys.exit(2)
length, width = data.shape
lon_w_p, dlon, _, lat_n_p, _, dlat = geotiff.GetGeoTransform()
lat_s_p = lat_n_p + dlat * length
lon_e_p = lon_w_p + dlon * width
if data.dtype == np.float32:
data[data == nodata] = np.nan
def test_identify_3():
dr = gdal.IdentifyDriver('data')
assert dr is None, 'Got a driver for data directory!'
def resampleToReference(self, ds, nullValList, workingRegion, resamplemethod, tempdir='.', useVRT=False):
"""
Resamples any inputs that do not match the reference, to the
reference image.
ds is the GDAL dataset that needs to be resampled.
nullValList is the list of null values for that dataset.
workingRegion is a PixelGridDefn
resamplemethod is a string containing a method supported by gdalwarp.
Returns the new (temporary) resampled dataset instance.
Do not call directly, use resampleAllToReference()
"""
# get the name of the input file
infile = ds.GetDescription()
# create temporary .prf files with the source
# and destination WKT strings.
import tempfile
# the src prf file
(fileh,src_prf) = tempfile.mkstemp('.prf',dir=tempdir)
fileobj = os.fdopen(fileh,'w')
srcproj = self.specialProjFixes(ds.GetProjection())
fileobj.write(srcproj)
fileobj.close()
# the dest prf file
(fileh,dest_prf) = tempfile.mkstemp('.prf',dir=tempdir)
fileobj = os.fdopen(fileh,'w')
fileobj.write( self.referencePixGrid.projection)
fileobj.close()
if useVRT:
ext = '.vrt'
else:
# get the driver from the input dataset
# so we know the default extension, and type
# for the temporary file.
driver = gdal.IdentifyDriver(infile)
drivermeta = driver.GetMetadata()
# temp image file name - based on driver extension
ext = ''
if gdal.DMD_EXTENSION in drivermeta:
ext = '.' + drivermeta[gdal.DMD_EXTENSION]
(fileh,temp_image) = tempfile.mkstemp(ext,dir=tempdir)
os.close(fileh)
# build the command line for gdalwarp
# as a list for subprocess - also a bit easier to read
cmdList = [GDALWARP]
# source projection prf file
cmdList.append('-s_srs')
cmdList.append(src_prf)
# destination projection prf file
cmdList.append('-t_srs')
cmdList.append(dest_prf)
# extent. Note the use of repr() to avoid loss of precision.
cmdList.append('-te')
for x in [workingRegion.xMin, workingRegion.yMin, workingRegion.xMax, workingRegion.yMax]:
cmdList.append(repr(x))
# resolution. Note the use of repr() to avoid loss of precision.
cmdList.append('-tr')
for x in [workingRegion.xRes, workingRegion.yRes]:
cmdList.append(repr(x))
# output format
cmdList.append('-of')
if useVRT:
driverName = 'VRT'
else:
driverName = driver.ShortName
cmdList.append(driverName)
# resample method
cmdList.append('-r')
cmdList.append(resamplemethod)
# null values
nullOptions = self.makeWarpNullOptions(nullValList)
if nullOptions is not None:
cmdList.extend(nullOptions)
# don't have creation options for output like PyModeller did
# (after all we are just a reader) so don't specify any
# creation options. Not sure if this will cause problems...
# input and output files
cmdList.append(infile)
cmdList.append(temp_image)
# delete later - add before the system call as if Ctrl-C is hit
# control does not always return
self.filestoremove.append(temp_image)
self.filestoremove.append(src_prf)
self.filestoremove.append(dest_prf)
# run the command using subprocess
# send any output to our self.loggingstream
# - this is the main advantage over os.system()
returncode = subprocess.call(cmdList,
stdout=self.loggingstream,
stderr=self.loggingstream)
if returncode != 0:
msg = 'Unable to run gdalwarp'
raise rioserrors.GdalWarpNotFoundError(msg)
# open the new temp file
newds = gdal.Open(temp_image)
if newds is None:
msg = 'Unable to Open %s' % temp_image
raise rioserrors.ImageOpenError(msg)
# return the new dataset
return newds
def _gdal_api_proxy_sub():
src_ds = gdal.Open('data/byte.tif')
src_cs = src_ds.GetRasterBand(1).Checksum()
src_gt = src_ds.GetGeoTransform()
src_prj = src_ds.GetProjectionRef()
src_data = src_ds.ReadRaster(0, 0, 20, 20)
src_md = src_ds.GetMetadata()
src_ds = None
drv = gdal.IdentifyDriver('data/byte.tif')
assert drv.GetDescription() == 'API_PROXY'
ds = gdal.GetDriverByName('GTiff').Create('tmp/byte.tif', 1, 1, 3)
ds = None
src_ds = gdal.Open('data/byte.tif')
ds = gdal.GetDriverByName('GTiff').CreateCopy('tmp/byte.tif',
src_ds,
options=['TILED=YES'])
got_cs = ds.GetRasterBand(1).Checksum()
assert src_cs == got_cs
ds = None
ds = gdal.Open('tmp/byte.tif', gdal.GA_Update)
ds.SetGeoTransform([1, 2, 3, 4, 5, 6])
got_gt = ds.GetGeoTransform()
assert src_gt != got_gt
ds.SetGeoTransform(src_gt)
got_gt = ds.GetGeoTransform()
assert src_gt == got_gt
assert ds.GetGCPCount() == 0
assert ds.GetGCPProjection() == '', ds.GetGCPProjection()
assert not ds.GetGCPs()
gcps = [gdal.GCP(0, 1, 2, 3, 4)]
sr = osr.SpatialReference()
sr.ImportFromEPSG(4326)
wkt = sr.ExportToWkt()
assert ds.SetGCPs(gcps, wkt) == 0
got_gcps = ds.GetGCPs()
assert len(got_gcps) == 1
assert (got_gcps[0].GCPLine == gcps[0].GCPLine and \
got_gcps[0].GCPPixel == gcps[0].GCPPixel and \
got_gcps[0].GCPX == gcps[0].GCPX and \
got_gcps[0].GCPY == gcps[0].GCPY)
assert ds.GetGCPProjection() == wkt
ds.SetGCPs([], "")
assert not ds.GetGCPs()
ds.SetProjection('')
got_prj = ds.GetProjectionRef()
assert src_prj != got_prj
ds.SetProjection(src_prj)
got_prj = ds.GetProjectionRef()
assert src_prj == got_prj
ds.GetRasterBand(1).Fill(0)
got_cs = ds.GetRasterBand(1).Checksum()
assert got_cs == 0
ds.GetRasterBand(1).WriteRaster(0, 0, 20, 20, src_data)
got_cs = ds.GetRasterBand(1).Checksum()
assert src_cs == got_cs
ds.GetRasterBand(1).Fill(0)
got_cs = ds.GetRasterBand(1).Checksum()
assert got_cs == 0
ds.WriteRaster(0, 0, 20, 20, src_data)
got_cs = ds.GetRasterBand(1).Checksum()
assert src_cs == got_cs
# Not bound to SWIG
# ds.AdviseRead(0,0,20,20,20,20)
got_data = ds.ReadRaster(0, 0, 20, 20)
assert src_data == got_data
got_data = ds.GetRasterBand(1).ReadRaster(0, 0, 20, 20)
assert src_data == got_data
got_data_weird_spacing = ds.ReadRaster(0,
0,
20,
20,
buf_pixel_space=1,
buf_line_space=32)
assert len(got_data_weird_spacing) == 32 * (20 - 1) + 20
assert got_data[20:20 + 20] == got_data_weird_spacing[32:32 + 20]
got_data_weird_spacing = ds.GetRasterBand(1).ReadRaster(0,
0,
20,
20,
buf_pixel_space=1,
buf_line_space=32)
assert len(got_data_weird_spacing) == 32 * (20 - 1) + 20
assert got_data[20:20 + 20] == got_data_weird_spacing[32:32 + 20]
got_block = ds.GetRasterBand(1).ReadBlock(0, 0)
assert len(got_block) == 256 * 256
assert got_data[20:20 + 20] == got_block[256:256 + 20]
ds.FlushCache()
ds.GetRasterBand(1).FlushCache()
got_data = ds.GetRasterBand(1).ReadRaster(0, 0, 20, 20)
assert src_data == got_data
assert len(ds.GetFileList()) == 1
assert ds.AddBand(gdal.GDT_Byte) != 0
got_md = ds.GetMetadata()
assert src_md == got_md
assert ds.GetMetadataItem('AREA_OR_POINT') == 'Area'
assert ds.GetMetadataItem('foo') is None
ds.SetMetadataItem('foo', 'bar')
assert ds.GetMetadataItem('foo') == 'bar'
ds.SetMetadata({'foo': 'baz'}, 'OTHER')
assert ds.GetMetadataItem('foo', 'OTHER') == 'baz'
ds.GetRasterBand(1).SetMetadata({'foo': 'baw'}, 'OTHER')
assert ds.GetRasterBand(1).GetMetadataItem('foo', 'OTHER') == 'baw'
assert ds.GetMetadataItem('INTERLEAVE', 'IMAGE_STRUCTURE') == 'BAND'
assert not ds.GetRasterBand(1).GetMetadata()
assert ds.GetRasterBand(1).GetMetadataItem('foo') is None
ds.GetRasterBand(1).SetMetadataItem('foo', 'baz')
assert ds.GetRasterBand(1).GetMetadataItem('foo') == 'baz'
ds.GetRasterBand(1).SetMetadata({'foo': 'baw'})
assert ds.GetRasterBand(1).GetMetadataItem('foo') == 'baw'
assert ds.GetRasterBand(1).GetColorInterpretation() == gdal.GCI_GrayIndex
ds.GetRasterBand(1).SetColorInterpretation(gdal.GCI_Undefined)
ct = ds.GetRasterBand(1).GetColorTable()
assert ct is None
ct = gdal.ColorTable()
ct.SetColorEntry(0, (1, 2, 3))
assert ds.GetRasterBand(1).SetColorTable(ct) == 0
ct = ds.GetRasterBand(1).GetColorTable()
assert ct is not None
assert ct.GetColorEntry(0) == (1, 2, 3, 255)
ct = ds.GetRasterBand(1).GetColorTable()
assert ct is not None
assert ds.GetRasterBand(1).SetColorTable(None) == 0
ct = ds.GetRasterBand(1).GetColorTable()
assert ct is None
rat = ds.GetRasterBand(1).GetDefaultRAT()
assert rat is None
assert ds.GetRasterBand(1).SetDefaultRAT(None) == 0
ref_rat = gdal.RasterAttributeTable()
assert ds.GetRasterBand(1).SetDefaultRAT(ref_rat) == 0
rat = ds.GetRasterBand(1).GetDefaultRAT()
assert rat is None
assert ds.GetRasterBand(1).SetDefaultRAT(None) == 0
rat = ds.GetRasterBand(1).GetDefaultRAT()
assert rat is None
assert ds.GetRasterBand(1).GetMinimum() is None
got_stats = ds.GetRasterBand(1).GetStatistics(0, 0)
assert got_stats[3] < 0.0
got_stats = ds.GetRasterBand(1).GetStatistics(1, 1)
assert got_stats[0] == 74.0
assert ds.GetRasterBand(1).GetMinimum() == 74.0
assert ds.GetRasterBand(1).GetMaximum() == 255.0
ds.GetRasterBand(1).SetStatistics(1, 2, 3, 4)
got_stats = ds.GetRasterBand(1).GetStatistics(1, 1)
assert got_stats == [1, 2, 3, 4]
ds.GetRasterBand(1).ComputeStatistics(0)
got_stats = ds.GetRasterBand(1).GetStatistics(1, 1)
assert got_stats[0] == 74.0
minmax = ds.GetRasterBand(1).ComputeRasterMinMax()
assert minmax == (74.0, 255.0)
assert ds.GetRasterBand(1).GetOffset() == 0.0
assert ds.GetRasterBand(1).GetScale() == 1.0
ds.GetRasterBand(1).SetOffset(10.0)
assert ds.GetRasterBand(1).GetOffset() == 10.0
ds.GetRasterBand(1).SetScale(2.0)
assert ds.GetRasterBand(1).GetScale() == 2.0
ds.BuildOverviews('NEAR', [2])
assert ds.GetRasterBand(1).GetOverviewCount() == 1
assert ds.GetRasterBand(1).GetOverview(-1) is None
assert ds.GetRasterBand(1).GetOverview(0) is not None
assert ds.GetRasterBand(1).GetOverview(0) is not None
got_hist = ds.GetRasterBand(1).GetHistogram()
assert len(got_hist) == 256
(minval, maxval, nitems,
got_hist2) = ds.GetRasterBand(1).GetDefaultHistogram()
assert minval == -0.5
assert maxval == 255.5
assert nitems == 256
assert got_hist == got_hist2
ds.GetRasterBand(1).SetDefaultHistogram(1, 2, [3])
(minval, maxval, nitems,
got_hist3) = ds.GetRasterBand(1).GetDefaultHistogram()
assert minval == 1
assert maxval == 2
assert nitems == 1
assert got_hist3[0] == 3
got_nodatavalue = ds.GetRasterBand(1).GetNoDataValue()
assert got_nodatavalue is None
ds.GetRasterBand(1).SetNoDataValue(123)
got_nodatavalue = ds.GetRasterBand(1).GetNoDataValue()
assert got_nodatavalue == 123
assert ds.GetRasterBand(1).GetMaskFlags() == 8
assert ds.GetRasterBand(1).GetMaskBand() is not None
ret = ds.GetRasterBand(1).DeleteNoDataValue()
assert ret == 0
got_nodatavalue = ds.GetRasterBand(1).GetNoDataValue()
assert got_nodatavalue is None
ds.CreateMaskBand(0)
assert ds.GetRasterBand(1).GetMaskFlags() == 2
assert ds.GetRasterBand(1).GetMaskBand() is not None
ds.GetRasterBand(1).CreateMaskBand(0)
assert ds.GetRasterBand(1).HasArbitraryOverviews() == 0
ds.GetRasterBand(1).SetUnitType('foo')
assert ds.GetRasterBand(1).GetUnitType() == 'foo'
assert ds.GetRasterBand(1).GetCategoryNames() is None
ds.GetRasterBand(1).SetCategoryNames(['foo'])
assert ds.GetRasterBand(1).GetCategoryNames() == ['foo']
ds.GetRasterBand(1).SetDescription('bar')
ds = None
gdal.GetDriverByName('GTiff').Delete('tmp/byte.tif')
def resampleToReference(self,
ds,
nullValList,
workingRegion,
resamplemethod,
tempdir='.',
useVRT=False,
allowOverviewsGdalwarp=False):
"""
Resamples any inputs that do not match the reference, to the
reference image.
ds is the GDAL dataset that needs to be resampled.
nullValList is the list of null values for that dataset.
workingRegion is a PixelGridDefn
resamplemethod is a string containing a method supported by gdalwarp.
Returns the new (temporary) resampled dataset instance.
Do not call directly, use resampleAllToReference()
"""
# get the name of the input file
infile = ds.GetDescription()
# create temporary .prf files with the source
# and destination WKT strings.
import tempfile
# the src prf file
(fileh, src_prf) = tempfile.mkstemp('.prf', dir=tempdir)
fileobj = os.fdopen(fileh, 'w')
srcproj = self.specialProjFixes(ds.GetProjection())
fileobj.write(srcproj)
fileobj.close()
# the dest prf file
(fileh, dest_prf) = tempfile.mkstemp('.prf', dir=tempdir)
fileobj = os.fdopen(fileh, 'w')
fileobj.write(self.referencePixGrid.projection)
fileobj.close()
if useVRT:
ext = '.vrt'
else:
# get the driver from the input dataset
# so we know the default extension, and type
# for the temporary file.
driver = gdal.IdentifyDriver(infile)
drivermeta = driver.GetMetadata()
# temp image file name - based on driver extension
ext = ''
if gdal.DMD_EXTENSION in drivermeta:
ext = '.' + drivermeta[gdal.DMD_EXTENSION]
(fileh, temp_image) = tempfile.mkstemp(ext, dir=tempdir)
os.close(fileh)
# see if gdalwarp actually exists on the system so we can
# provide a separate error if we can't find it vs there was an error
# running it.
gdalwarp_path = find_executable(GDALWARP)
if gdalwarp_path is None:
msg = 'Unable to find %s executable on the system' % GDALWARP
raise rioserrors.GdalWarpNotFoundError(msg)
# build the command line for gdalwarp
# as a list for subprocess - also a bit easier to read
cmdList = [gdalwarp_path]
if LooseVersion(gdal.__version__) >= LooseVersion('2.0'):
if not allowOverviewsGdalwarp:
cmdList.extend(['-ovr', 'NONE'])
# source projection prf file
cmdList.append('-s_srs')
cmdList.append(src_prf)
# destination projection prf file
cmdList.append('-t_srs')
cmdList.append(dest_prf)
# extent. Note the use of repr() to avoid loss of precision.
cmdList.append('-te')
for x in [
workingRegion.xMin, workingRegion.yMin, workingRegion.xMax,
workingRegion.yMax
]:
cmdList.append(repr(x))
# resolution. Note the use of repr() to avoid loss of precision.
cmdList.append('-tr')
for x in [workingRegion.xRes, workingRegion.yRes]:
cmdList.append(repr(x))
# output format
cmdList.append('-of')
if useVRT:
driverName = 'VRT'
else:
driverName = driver.ShortName
cmdList.append(driverName)
# resample method
cmdList.append('-r')
cmdList.append(resamplemethod)
# null values
nullOptions = self.makeWarpNullOptions(nullValList)
if nullOptions is not None:
cmdList.extend(nullOptions)
# don't have creation options for output like PyModeller did
# (after all we are just a reader) so don't specify any
# creation options. Not sure if this will cause problems...
# input and output files
cmdList.append(infile)
cmdList.append(temp_image)
# delete later - add before the system call as if Ctrl-C is hit
# control does not always return
self.filestoremove.append(temp_image)
self.filestoremove.append(src_prf)
self.filestoremove.append(dest_prf)
# run the command using subprocess
# send any output to our self.loggingstream
# - this is the main advantage over os.system()
returncode = subprocess.call(cmdList,
stdout=self.loggingstream,
stderr=self.loggingstream)
if returncode != 0:
if returncode < 0:
# From the subprocess.call help:
# A negative value -N indicates that the child was
# terminated by signal N (POSIX only).
msg = ("%s was terminated by signal %d. Try setting the " +
"RIOS_NO_VRT_FOR_RESAMPLING environment variable " +
"to '1'") % (GDALWARP, abs(returncode))
raise rioserrors.GdalWarpError(msg)
else:
msg = ("Error while running %s. Try setting the " +
"RIOS_NO_VRT_FOR_RESAMPLING environment variable " +
"to '1'") % GDALWARP
raise rioserrors.GdalWarpError(msg)
# open the new temp file
newds = gdal.Open(temp_image)
if newds is None:
msg = 'Unable to Open %s' % temp_image
raise rioserrors.ImageOpenError(msg)
# return the new dataset
return newds