def test_gdal_contour_2():
if test_cli_utilities.get_gdal_contour_path() is None:
return 'skip'
try:
os.remove('tmp/contour.shp')
except:
pass
try:
os.remove('tmp/contour.dbf')
except:
pass
try:
os.remove('tmp/contour.shx')
except:
pass
# put -3d just after -fl to test #2793
gdaltest.runexternal(test_cli_utilities.get_gdal_contour_path() + ' -a elev -fl 10 20 25 -3d tmp/gdal_contour.tif tmp/contour.shp')
size = 160
precision = 1. / size
ds = ogr.Open('tmp/contour.shp')
expected_envelopes = [ [ 1.25, 1.75, 49.25, 49.75 ],
[ 1.25+0.125, 1.75-0.125, 49.25+0.125, 49.75-0.125 ],
[ 1.25+0.125+0.0625, 1.75-0.125-0.0625, 49.25+0.125+0.0625, 49.75-0.125-0.0625 ] ]
expected_height = [ 10, 20, 25 ]
lyr = ds.ExecuteSQL("select * from contour order by elev asc")
if lyr.GetFeatureCount() != len(expected_envelopes):
print('Got %d features. Expected %d' % (lyr.GetFeatureCount(), len(expected_envelopes)))
return 'fail'
i = 0
feat = lyr.GetNextFeature()
while feat is not None:
if feat.GetGeometryRef().GetZ(0) != expected_height[i]:
print('Got %f as z. Expected %f' % (feat.GetGeometryRef().GetZ(0), expected_height[i]))
return 'fail'
envelope = feat.GetGeometryRef().GetEnvelope()
if feat.GetField('elev') != expected_height[i]:
print('Got %f. Expected %f' % (feat.GetField('elev'), expected_height[i]))
return 'fail'
for j in range(4):
if abs(expected_envelopes[i][j] - envelope[j]) > precision/2*1.001:
print('i=%d, wkt=%s' % (i, feat.GetGeometryRef().ExportToWkt()))
print(feat.GetGeometryRef().GetEnvelope())
print(expected_envelopes[i])
print('%f, %f' % (expected_envelopes[i][j] - envelope[j], precision / 2))
return 'fail'
i = i + 1
feat = lyr.GetNextFeature()
ds.ReleaseResultSet(lyr)
ds.Destroy()
return 'success'
def test_gdal_rasterize_lib_3():
import test_cli_utilities
if test_cli_utilities.get_gdal_contour_path() is None:
pytest.skip()
gdaltest.runexternal(test_cli_utilities.get_gdal_contour_path() + ' ../gdrivers/data/n43.dt0 tmp/n43dt0.shp -i 10 -3d')
with gdaltest.error_handler():
ds = gdal.Rasterize('/vsimem/bogus.tif', 'tmp/n43dt0.shp')
assert ds is None, 'did not expected success'
ds = gdal.Rasterize('', 'tmp/n43dt0.shp', format='MEM', outputType=gdal.GDT_Byte, useZ=True, layers=['n43dt0'], width=121, height=121, noData=0)
ogr.GetDriverByName('ESRI Shapefile').DeleteDataSource('tmp/n43dt0.shp')
ds_ref = gdal.Open('../gdrivers/data/n43.dt0')
assert ds.GetRasterBand(1).GetNoDataValue() == 0.0, \
'did not get expected nodata value'
assert ds.RasterXSize == 121 and ds.RasterYSize == 121, \
'did not get expected dimensions'
gt_ref = ds_ref.GetGeoTransform()
gt = ds.GetGeoTransform()
for i in range(6):
assert abs(gt[i] - gt_ref[i]) <= 1e-6, 'did not get expected geotransform'
wkt = ds.GetProjectionRef()
assert wkt.find("WGS_1984") != -1, 'did not get expected SRS'
def test_gdal_rasterize_3():
if test_cli_utilities.get_gdal_contour_path() is None:
pytest.skip()
if test_cli_utilities.get_gdal_rasterize_path() is None:
pytest.skip()
gdaltest.runexternal(test_cli_utilities.get_gdal_contour_path() + ' ../gdrivers/data/n43.dt0 tmp/n43dt0.shp -i 10 -3d')
gdaltest.runexternal(test_cli_utilities.get_gdal_rasterize_path() + ' -3d tmp/n43dt0.shp tmp/n43dt0.tif -l n43dt0 -ts 121 121 -a_nodata 0 -q')
ds_ref = gdal.Open('../gdrivers/data/n43.dt0')
ds = gdal.Open('tmp/n43dt0.tif')
assert ds.GetRasterBand(1).GetNoDataValue() == 0.0, \
'did not get expected nodata value'
assert ds.RasterXSize == 121 and ds.RasterYSize == 121, \
'did not get expected dimensions'
gt_ref = ds_ref.GetGeoTransform()
gt = ds.GetGeoTransform()
for i in range(6):
assert abs(gt[i] - gt_ref[i]) <= 1e-6, 'did not get expected geotransform'
wkt = ds.GetProjectionRef()
assert wkt.find("WGS_1984") != -1, 'did not get expected SRS'
def test_gdal_rasterize_4():
if test_cli_utilities.get_gdal_contour_path() is None:
pytest.skip()
if test_cli_utilities.get_gdal_rasterize_path() is None:
pytest.skip()
gdal.GetDriverByName('GTiff').Delete('tmp/n43dt0.tif')
gdaltest.runexternal(test_cli_utilities.get_gdal_rasterize_path() + ' -3d tmp/n43dt0.shp tmp/n43dt0.tif -l n43dt0 -tr 0.008333333333333 0.008333333333333 -a_nodata 0 -a_srs EPSG:4326')
ds_ref = gdal.Open('../gdrivers/data/n43.dt0')
ds = gdal.Open('tmp/n43dt0.tif')
assert ds.GetRasterBand(1).GetNoDataValue() == 0.0, \
'did not get expected nodata value'
# Allow output to grow by 1/2 cell, as per #6058
assert ds.RasterXSize == 122 and ds.RasterYSize == 122, \
'did not get expected dimensions'
gt_ref = ds_ref.GetGeoTransform()
gt = ds.GetGeoTransform()
assert abs(gt[1] - gt_ref[1]) <= 1e-6 and abs(gt[5] - gt_ref[5]) <= 1e-6, \
'did not get expected geotransform(dx/dy)'
# Allow output to grow by 1/2 cell, as per #6058
assert (abs(gt[0] + (gt[1] / 2) - gt_ref[0]) <= 1e-6 and \
abs(gt[3] + (gt[5] / 2) - gt_ref[3]) <= 1e-6), \
'did not get expected geotransform'
wkt = ds.GetProjectionRef()
assert wkt.find("WGS_1984") != -1, 'did not get expected SRS'
def test_gdal_contour_5():
if test_cli_utilities.get_gdal_contour_path() is None:
return 'skip'
ds = None
gdaltest.runexternal(test_cli_utilities.get_gdal_contour_path() + ' -a elev -i 10 data/contour_orientation.tif tmp/contour_orientation2.shp')
ds = ogr.Open('tmp/contour_orientation2.shp')
expected_contours = [ 'LINESTRING (0 2,'+
'0.5 2.0,'+
'1.5 2.0,'+
'1.954542932445554 2.5,'+
'2.124997615823304 3.5,'+
'1.5 3.954546085074803,'+
'0.5 4.066665649414062,'+
'0.0 4.066665649414062)' ]
expected_elev = [ 140 ]
lyr = ds.ExecuteSQL("select * from contour_orientation2 order by elev asc")
if lyr.GetFeatureCount() != len(expected_contours):
print('Got %d features. Expected %d' % (lyr.GetFeatureCount(), len(expected_contours)))
return 'fail'
i = 0
test_failed = False
feat = lyr.GetNextFeature()
while feat is not None:
expected_geom = ogr.CreateGeometryFromWkt(expected_contours[i])
if feat.GetField('elev') != expected_elev[i]:
print('Got %f. Expected %f' % (feat.GetField('elev'), expected_elev[i]))
return 'fail'
if ogrtest.check_feature_geometry(feat, expected_geom) != 0:
print('Got %s.\nExpected %s' % (feat.GetGeometryRef().ExportToWkt(),expected_contours[i]))
test_failed = True
i = i + 1
feat = lyr.GetNextFeature()
ds.ReleaseResultSet(lyr)
ds.Destroy()
if test_failed:
return 'fail'
else:
return 'success'
def test_gdal_rasterize_3():
if test_cli_utilities.get_gdal_contour_path() is None:
return "skip"
if test_cli_utilities.get_gdal_rasterize_path() is None:
return "skip"
gdaltest.runexternal(
test_cli_utilities.get_gdal_contour_path() + " ../gdrivers/data/n43.dt0 tmp/n43dt0.shp -i 10 -3d"
)
gdaltest.runexternal(
test_cli_utilities.get_gdal_rasterize_path()
+ " -3d tmp/n43dt0.shp tmp/n43dt0.tif -l n43dt0 -ts 121 121 -a_nodata 0 -q"
)
ds_ref = gdal.Open("../gdrivers/data/n43.dt0")
ds = gdal.Open("tmp/n43dt0.tif")
if ds.GetRasterBand(1).GetNoDataValue() != 0.0:
gdaltest.post_reason("did not get expected nodata value")
return "fail"
if ds.RasterXSize != 121 or ds.RasterYSize != 121:
gdaltest.post_reason("did not get expected dimensions")
return "fail"
gt_ref = ds_ref.GetGeoTransform()
gt = ds.GetGeoTransform()
for i in range(6):
if abs(gt[i] - gt_ref[i]) > 1e-6:
gdaltest.post_reason("did not get expected geotransform")
print(gt)
print(gt_ref)
return "fail"
wkt = ds.GetProjectionRef()
if wkt.find("WGS_1984") == -1:
gdaltest.post_reason("did not get expected SRS")
print(wkt)
return "fail"
return "success"
def test_gdal_rasterize_lib_3():
import test_cli_utilities
if test_cli_utilities.get_gdal_contour_path() is None:
return 'skip'
gdaltest.runexternal(test_cli_utilities.get_gdal_contour_path() + ' ../gdrivers/data/n43.dt0 tmp/n43dt0.shp -i 10 -3d')
with gdaltest.error_handler():
ds = gdal.Rasterize('/vsimem/bogus.tif', 'tmp/n43dt0.shp')
if ds is not None:
gdaltest.post_reason('did not expected success')
return 'fail'
ds = gdal.Rasterize('', 'tmp/n43dt0.shp', format = 'MEM', outputType = gdal.GDT_Byte, useZ = True, layers = ['n43dt0'], width = 121, height = 121, noData = 0)
ogr.GetDriverByName('ESRI Shapefile').DeleteDataSource( 'tmp/n43dt0.shp' )
ds_ref = gdal.Open('../gdrivers/data/n43.dt0')
if ds.GetRasterBand(1).GetNoDataValue() != 0.0:
gdaltest.post_reason('did not get expected nodata value')
return 'fail'
if ds.RasterXSize != 121 or ds.RasterYSize != 121:
gdaltest.post_reason('did not get expected dimensions')
return 'fail'
gt_ref = ds_ref.GetGeoTransform()
gt = ds.GetGeoTransform()
for i in range(6):
if (abs(gt[i]-gt_ref[i])>1e-6):
gdaltest.post_reason('did not get expected geotransform')
print(gt)
print(gt_ref)
return 'fail'
wkt = ds.GetProjectionRef()
if wkt.find("WGS_1984") == -1:
gdaltest.post_reason('did not get expected SRS')
print(wkt)
return 'fail'
return 'success'
def test_gdal_contour_3():
if test_cli_utilities.get_gdal_contour_path() is None:
return 'skip'
try:
os.remove('tmp/contour.shp')
except:
pass
try:
os.remove('tmp/contour.dbf')
except:
pass
try:
os.remove('tmp/contour.shx')
except:
pass
# put -3d just after -fl to test #2793
gdaltest.runexternal(test_cli_utilities.get_gdal_contour_path() + ' -a elev -i 50 ../gdrivers/data/n43.dt0 tmp/contour.shp')
ds = ogr.Open('tmp/contour.shp')
lyr = ds.ExecuteSQL("select distinct elev from contour order by elev asc")
expected_heights = [ 100, 150, 200, 250, 300, 350, 400, 450 ]
if lyr.GetFeatureCount() != len(expected_heights):
print('Got %d features. Expected %d' % (lyr.GetFeatureCount(), len(expected_heights)))
return 'fail'
i = 0
feat = lyr.GetNextFeature()
while feat is not None:
if feat.GetField('elev') != expected_heights[i]:
return 'fail'
i = i + 1
feat = lyr.GetNextFeature()
ds.ReleaseResultSet(lyr)
ds.Destroy()
return 'success'
def test_gdal_contour_cleanup():
if test_cli_utilities.get_gdal_contour_path() is None:
pytest.skip()
ogr.GetDriverByName('ESRI Shapefile').DeleteDataSource('tmp/contour.shp')
ogr.GetDriverByName('ESRI Shapefile').DeleteDataSource('tmp/contour_orientation1.shp')
ogr.GetDriverByName('ESRI Shapefile').DeleteDataSource('tmp/contour_orientation2.shp')
try:
os.remove('tmp/gdal_contour.tif')
os.remove('tmp/gdal_contour_orientation.tif')
except OSError:
pass
def test_gdal_contour_5():
if test_cli_utilities.get_gdal_contour_path() is None:
pytest.skip()
ds = None
gdaltest.runexternal(test_cli_utilities.get_gdal_contour_path() + ' -a elev -i 10 data/contour_orientation.tif tmp/contour_orientation2.shp')
ds = ogr.Open('tmp/contour_orientation2.shp')
expected_contours = ['LINESTRING (0.0 1.999999,' +
'0.5 1.999999,' +
'1.5 1.999999,' +
'1.95454293244555 2.5,' +
'2.1249976158233 3.5,' +
'1.5 3.9545460850748,' +
'0.5 4.06666564941406,' +
'0.0 4.06666564941406)']
expected_elev = [140]
lyr = ds.ExecuteSQL("select * from contour_orientation2 order by elev asc")
assert lyr.GetFeatureCount() == len(expected_contours)
i = 0
test_failed = False
feat = lyr.GetNextFeature()
while feat is not None:
expected_geom = ogr.CreateGeometryFromWkt(expected_contours[i])
assert feat.GetField('elev') == expected_elev[i]
if ogrtest.check_feature_geometry(feat, expected_geom) != 0:
print('Got %s.\nExpected %s' % (feat.GetGeometryRef().ExportToWkt(), expected_contours[i]))
test_failed = True
i = i + 1
feat = lyr.GetNextFeature()
ds.ReleaseResultSet(lyr)
ds.Destroy()
assert not test_failed
def test_gdal_rasterize_3():
if test_cli_utilities.get_gdal_contour_path() is None:
return 'skip'
if test_cli_utilities.get_gdal_rasterize_path() is None:
return 'skip'
gdaltest.runexternal(test_cli_utilities.get_gdal_contour_path() + ' ../gdrivers/data/n43.dt0 tmp/n43dt0.shp -i 10 -3d')
gdaltest.runexternal(test_cli_utilities.get_gdal_rasterize_path() + ' -3d tmp/n43dt0.shp tmp/n43dt0.tif -l n43dt0 -ts 121 121 -a_nodata 0 -q')
ds_ref = gdal.Open('../gdrivers/data/n43.dt0')
ds = gdal.Open('tmp/n43dt0.tif')
if ds.GetRasterBand(1).GetNoDataValue() != 0.0:
gdaltest.post_reason('did not get expected nodata value')
return 'fail'
if ds.RasterXSize != 121 or ds.RasterYSize != 121:
gdaltest.post_reason('did not get expected dimensions')
return 'fail'
gt_ref = ds_ref.GetGeoTransform()
gt = ds.GetGeoTransform()
for i in range(6):
if (abs(gt[i]-gt_ref[i])>1e-6):
gdaltest.post_reason('did not get expected geotransform')
print(gt)
print(gt_ref)
return 'fail'
wkt = ds.GetProjectionRef()
if wkt.find("WGS_1984") == -1:
gdaltest.post_reason('did not get expected SRS')
print(wkt)
return 'fail'
return 'success'
def test_gdal_contour_cleanup():
if test_cli_utilities.get_gdal_contour_path() is None:
return 'skip'
ogr.GetDriverByName('ESRI Shapefile').DeleteDataSource('tmp/contour.shp')
ogr.GetDriverByName('ESRI Shapefile').DeleteDataSource('tmp/contour_orientation1.shp')
ogr.GetDriverByName('ESRI Shapefile').DeleteDataSource('tmp/contour_orientation2.shp')
try:
os.remove('tmp/gdal_contour.tif')
os.remove('tmp/gdal_contour_orientation.tif')
except OSError:
pass
return 'success'
def test_gdal_rasterize_4():
if test_cli_utilities.get_gdal_contour_path() is None:
return 'skip'
if test_cli_utilities.get_gdal_rasterize_path() is None:
return 'skip'
gdal.GetDriverByName('GTiff').Delete('tmp/n43dt0.tif')
gdaltest.runexternal(
test_cli_utilities.get_gdal_rasterize_path() +
' -3d tmp/n43dt0.shp tmp/n43dt0.tif -l n43dt0 -tr 0.008333333333333 0.008333333333333 -a_nodata 0 -a_srs EPSG:4326'
)
ds_ref = gdal.Open('../gdrivers/data/n43.dt0')
ds = gdal.Open('tmp/n43dt0.tif')
if ds.GetRasterBand(1).GetNoDataValue() != 0.0:
gdaltest.post_reason('did not get expected nodata value')
return 'fail'
# Allow output to grow by 1/2 cell, as per #6058
if ds.RasterXSize != 122 or ds.RasterYSize != 122:
gdaltest.post_reason('did not get expected dimensions')
return 'fail'
gt_ref = ds_ref.GetGeoTransform()
gt = ds.GetGeoTransform()
if abs(gt[1] - gt_ref[1]) > 1e-6 or abs(gt[5] - gt_ref[5]) > 1e-6:
gdaltest.post_reason('did not get expected geotransform(dx/dy)')
print(gt)
print(gt_ref)
return 'fail'
# Allow output to grow by 1/2 cell, as per #6058
if abs(gt[0] + (gt[1] / 2) - gt_ref[0]) > 1e-6 or \
abs(gt[3] + (gt[5] / 2) - gt_ref[3]) > 1e-6:
gdaltest.post_reason('did not get expected geotransform')
print(gt)
print(gt_ref)
return 'fail'
wkt = ds.GetProjectionRef()
if wkt.find("WGS_1984") == -1:
gdaltest.post_reason('did not get expected SRS')
print(wkt)
return 'fail'
return 'success'
def test_gdal_rasterize_4():
if test_cli_utilities.get_gdal_contour_path() is None:
return "skip"
if test_cli_utilities.get_gdal_rasterize_path() is None:
return "skip"
gdal.GetDriverByName("GTiff").Delete("tmp/n43dt0.tif")
gdaltest.runexternal(
test_cli_utilities.get_gdal_rasterize_path()
+ " -3d tmp/n43dt0.shp tmp/n43dt0.tif -l n43dt0 -tr 0.008333333333333 0.008333333333333 -a_nodata 0 -a_srs EPSG:4326"
)
ds_ref = gdal.Open("../gdrivers/data/n43.dt0")
ds = gdal.Open("tmp/n43dt0.tif")
if ds.GetRasterBand(1).GetNoDataValue() != 0.0:
gdaltest.post_reason("did not get expected nodata value")
return "fail"
# Allow output to grow by 1/2 cell, as per #6058
if ds.RasterXSize != 122 or ds.RasterYSize != 122:
gdaltest.post_reason("did not get expected dimensions")
return "fail"
gt_ref = ds_ref.GetGeoTransform()
gt = ds.GetGeoTransform()
if abs(gt[1] - gt_ref[1]) > 1e-6 or abs(gt[5] - gt_ref[5]) > 1e-6:
gdaltest.post_reason("did not get expected geotransform(dx/dy)")
print(gt)
print(gt_ref)
return "fail"
# Allow output to grow by 1/2 cell, as per #6058
if abs(gt[0] + (gt[1] / 2) - gt_ref[0]) > 1e-6 or abs(gt[3] + (gt[5] / 2) - gt_ref[3]) > 1e-6:
gdaltest.post_reason("did not get expected geotransform")
print(gt)
print(gt_ref)
return "fail"
wkt = ds.GetProjectionRef()
if wkt.find("WGS_1984") == -1:
gdaltest.post_reason("did not get expected SRS")
print(wkt)
return "fail"
return "success"
def test_gdal_contour_3():
if test_cli_utilities.get_gdal_contour_path() is None:
pytest.skip()
try:
os.remove('tmp/contour.shp')
except OSError:
pass
try:
os.remove('tmp/contour.dbf')
except OSError:
pass
try:
os.remove('tmp/contour.shx')
except OSError:
pass
# put -3d just after -fl to test #2793
gdaltest.runexternal(test_cli_utilities.get_gdal_contour_path() + ' -a elev -i 50 ../gdrivers/data/n43.dt0 tmp/contour.shp')
ds = ogr.Open('tmp/contour.shp')
lyr = ds.ExecuteSQL("select distinct elev from contour order by elev asc")
expected_heights = [100, 150, 200, 250, 300, 350, 400, 450]
assert lyr.GetFeatureCount() == len(expected_heights)
i = 0
feat = lyr.GetNextFeature()
while feat is not None:
assert feat.GetField('elev') == expected_heights[i]
i = i + 1
feat = lyr.GetNextFeature()
ds.ReleaseResultSet(lyr)
ds.Destroy()
def test_gdal_rasterize_4():
if test_cli_utilities.get_gdal_contour_path() is None:
return 'skip'
if test_cli_utilities.get_gdal_rasterize_path() is None:
return 'skip'
gdal.GetDriverByName('GTiff').Delete('tmp/n43dt0.tif')
gdaltest.runexternal(
test_cli_utilities.get_gdal_rasterize_path() +
' -3d tmp/n43dt0.shp tmp/n43dt0.tif -l n43dt0 -tr 0.008333333333333 0.008333333333333 -a_nodata 0 -a_srs EPSG:4326'
)
ds_ref = gdal.Open('../gdrivers/data/n43.dt0')
ds = gdal.Open('tmp/n43dt0.tif')
if ds.GetRasterBand(1).GetNoDataValue() != 0.0:
gdaltest.post_reason('did not get expected nodata value')
return 'fail'
if ds.RasterXSize != 121 or ds.RasterYSize != 121:
gdaltest.post_reason('did not get expected dimensions')
return 'fail'
gt_ref = ds_ref.GetGeoTransform()
gt = ds.GetGeoTransform()
for i in range(6):
if (abs(gt[i] - gt_ref[i]) > 1e-6):
gdaltest.post_reason('did not get expected geotransform')
print(gt)
print(gt_ref)
return 'fail'
wkt = ds.GetProjectionRef()
if wkt.find("WGS_1984") == -1:
gdaltest.post_reason('did not get expected SRS')
print(wkt)
return 'fail'
return 'success'
def test_gdal_rasterize_4():
if test_cli_utilities.get_gdal_contour_path() is None:
pytest.skip()
if test_cli_utilities.get_gdal_rasterize_path() is None:
pytest.skip()
gdal.GetDriverByName('GTiff').Delete('tmp/n43dt0.tif')
gdaltest.runexternal(
test_cli_utilities.get_gdal_rasterize_path() +
' -3d tmp/n43dt0.shp tmp/n43dt0.tif -l n43dt0 -tr 0.008333333333333 0.008333333333333 -a_nodata 0 -a_srs EPSG:4326'
)
ds_ref = gdal.Open('../gdrivers/data/n43.dt0')
ds = gdal.Open('tmp/n43dt0.tif')
assert ds.GetRasterBand(1).GetNoDataValue() == 0.0, \
'did not get expected nodata value'
# Allow output to grow by 1/2 cell, as per #6058
assert ds.RasterXSize == 122 and ds.RasterYSize == 122, \
'did not get expected dimensions'
gt_ref = ds_ref.GetGeoTransform()
gt = ds.GetGeoTransform()
assert gt[1] == pytest.approx(gt_ref[1], abs=1e-6) and gt[5] == pytest.approx(gt_ref[5], abs=1e-6), \
'did not get expected geotransform(dx/dy)'
# Allow output to grow by 1/2 cell, as per #6058
assert (abs(gt[0] + (gt[1] / 2) - gt_ref[0]) <= 1e-6 and \
abs(gt[3] + (gt[5] / 2) - gt_ref[3]) <= 1e-6), \
'did not get expected geotransform'
wkt = ds.GetProjectionRef()
assert wkt.find("WGS_1984") != -1, 'did not get expected SRS'
def test_gdal_contour_1():
if test_cli_utilities.get_gdal_contour_path() is None:
pytest.skip()
try:
os.remove('tmp/contour.shp')
except OSError:
pass
try:
os.remove('tmp/contour.dbf')
except OSError:
pass
try:
os.remove('tmp/contour.shx')
except OSError:
pass
drv = gdal.GetDriverByName('GTiff')
sr = osr.SpatialReference()
sr.ImportFromEPSG(4326)
wkt = sr.ExportToWkt()
size = 160
precision = 1. / size
ds = drv.Create('tmp/gdal_contour.tif', size, size, 1)
ds.SetProjection(wkt)
ds.SetGeoTransform([1, precision, 0, 50, 0, -precision])
raw_data = array.array('h', [10 for i in range(int(size / 2))]).tostring()
for i in range(int(size / 2)):
ds.WriteRaster(int(size / 4), i + int(size / 4), int(size / 2), 1, raw_data,
buf_type=gdal.GDT_Int16,
band_list=[1])
raw_data = array.array('h', [20 for i in range(int(size / 2))]).tostring()
for i in range(int(size / 4)):
ds.WriteRaster(int(size / 4) + int(size / 8), i + int(size / 4) + int(size / 8), int(size / 4), 1, raw_data,
buf_type=gdal.GDT_Int16,
band_list=[1])
raw_data = array.array('h', [25 for i in range(int(size / 4))]).tostring()
for i in range(int(size / 8)):
ds.WriteRaster(int(size / 4) + int(size / 8) + int(size / 16), i + int(size / 4) + int(size / 8) + int(size / 16), int(size / 8), 1, raw_data,
buf_type=gdal.GDT_Int16,
band_list=[1])
ds = None
(_, err) = gdaltest.runexternal_out_and_err(test_cli_utilities.get_gdal_contour_path() + ' -a elev -i 10 tmp/gdal_contour.tif tmp/contour.shp')
assert (err is None or err == ''), 'got error/warning'
ds = ogr.Open('tmp/contour.shp')
expected_envelopes = [[1.25, 1.75, 49.25, 49.75],
[1.25 + 0.125, 1.75 - 0.125, 49.25 + 0.125, 49.75 - 0.125]]
expected_height = [10, 20]
lyr = ds.ExecuteSQL("select * from contour order by elev asc")
assert lyr.GetSpatialRef().ExportToWkt() == wkt, 'Did not get expected spatial ref'
assert lyr.GetFeatureCount() == len(expected_envelopes)
i = 0
feat = lyr.GetNextFeature()
while feat is not None:
envelope = feat.GetGeometryRef().GetEnvelope()
assert feat.GetField('elev') == expected_height[i]
for j in range(4):
if abs(expected_envelopes[i][j] - envelope[j]) > precision / 2 * 1.001:
print('i=%d, wkt=%s' % (i, feat.GetGeometryRef().ExportToWkt()))
print(feat.GetGeometryRef().GetEnvelope())
pytest.fail('%f, %f' % (expected_envelopes[i][j] - envelope[j], precision / 2))
i = i + 1
feat = lyr.GetNextFeature()
ds.ReleaseResultSet(lyr)
ds.Destroy()
def test_gdal_contour_1():
if test_cli_utilities.get_gdal_contour_path() is None:
return 'skip'
try:
os.remove('tmp/contour.shp')
except:
pass
try:
os.remove('tmp/contour.dbf')
except:
pass
try:
os.remove('tmp/contour.shx')
except:
pass
drv = gdal.GetDriverByName('GTiff')
wkt = 'GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9108\"]],AUTHORITY[\"EPSG\",\"4326\"]]'
size = 160
precision = 1. / size
ds = drv.Create('tmp/gdal_contour.tif', size, size, 1)
ds.SetProjection(wkt)
ds.SetGeoTransform([1, precision, 0, 50, 0, -precision])
raw_data = array.array('h', [10 for i in range(int(size / 2))]).tostring()
for i in range(int(size / 2)):
ds.WriteRaster(int(size / 4),
i + int(size / 4),
int(size / 2),
1,
raw_data,
buf_type=gdal.GDT_Int16,
band_list=[1])
raw_data = array.array('h', [20 for i in range(int(size / 2))]).tostring()
for i in range(int(size / 4)):
ds.WriteRaster(int(size / 4) + int(size / 8),
i + int(size / 4) + int(size / 8),
int(size / 4),
1,
raw_data,
buf_type=gdal.GDT_Int16,
band_list=[1])
raw_data = array.array('h', [25 for i in range(int(size / 4))]).tostring()
for i in range(int(size / 8)):
ds.WriteRaster(int(size / 4) + int(size / 8) + int(size / 16),
i + int(size / 4) + int(size / 8) + int(size / 16),
int(size / 8),
1,
raw_data,
buf_type=gdal.GDT_Int16,
band_list=[1])
ds = None
gdaltest.runexternal(test_cli_utilities.get_gdal_contour_path() +
' -a elev -i 10 tmp/gdal_contour.tif tmp/contour.shp')
ds = ogr.Open('tmp/contour.shp')
expected_envelopes = [[1.25, 1.75, 49.25, 49.75],
[
1.25 + 0.125, 1.75 - 0.125, 49.25 + 0.125,
49.75 - 0.125
]]
expected_height = [10, 20]
lyr = ds.ExecuteSQL("select * from contour order by elev asc")
if lyr.GetSpatialRef().ExportToWkt().find('GCS_WGS_1984') == -1:
print('Did not get expected spatial ref')
return 'fail'
if lyr.GetFeatureCount() != len(expected_envelopes):
print('Got %d features. Expected %d' %
(lyr.GetFeatureCount(), len(expected_envelopes)))
return 'fail'
i = 0
feat = lyr.GetNextFeature()
while feat is not None:
envelope = feat.GetGeometryRef().GetEnvelope()
if feat.GetField('elev') != expected_height[i]:
print('Got %f. Expected %f' %
(feat.GetField('elev'), expected_height[i]))
return 'fail'
for j in range(4):
if abs(expected_envelopes[i][j] -
envelope[j]) > precision / 2 * 1.001:
print('i=%d, wkt=%s' %
(i, feat.GetGeometryRef().ExportToWkt()))
print(feat.GetGeometryRef().GetEnvelope())
print(expected_envelopes[i])
print('%f, %f' %
(expected_envelopes[i][j] - envelope[j], precision / 2))
return 'fail'
i = i + 1
feat = lyr.GetNextFeature()
ds.ReleaseResultSet(lyr)
ds.Destroy()
return 'success'
def test_gdal_contour_4():
if test_cli_utilities.get_gdal_contour_path() is None:
pytest.skip()
try:
os.remove('tmp/contour_orientation.shp')
except OSError:
pass
try:
os.remove('tmp/contour_orientation.dbf')
except OSError:
pass
try:
os.remove('tmp/contour_orientation.shx')
except OSError:
pass
drv = gdal.GetDriverByName('GTiff')
wkt = 'GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9108\"]],AUTHORITY[\"EPSG\",\"4326\"]]'
size = 160
precision = 1. / size
ds = drv.Create('tmp/gdal_contour_orientation.tif', size, size, 1)
ds.SetProjection(wkt)
ds.SetGeoTransform([1, precision, 0, 50, 0, -precision])
# Make the elevation 15 for the whole image
raw_data = array.array('h', [15 for i in range(int(size))]).tostring()
for i in range(int(size)):
ds.WriteRaster(0, i, int(size), 1, raw_data,
buf_type=gdal.GDT_Int16,
band_list=[1])
# Create a hill with elevation 25
raw_data = array.array('h', [25 for i in range(2)]).tostring()
for i in range(2):
ds.WriteRaster(int(size / 4) + int(size / 8) - 1, i + int(size / 2) - 1, 2, 1, raw_data,
buf_type=gdal.GDT_Int16,
band_list=[1])
# Create a depression with elevation 5
raw_data = array.array('h', [5 for i in range(2)]).tostring()
for i in range(2):
ds.WriteRaster(int(size / 2) + int(size / 8) - 1, i + int(size / 2) - 1, 2, 1, raw_data,
buf_type=gdal.GDT_Int16,
band_list=[1])
ds = None
gdaltest.runexternal(test_cli_utilities.get_gdal_contour_path() + ' -a elev -i 10 tmp/gdal_contour_orientation.tif tmp/contour_orientation1.shp')
ds = ogr.Open('tmp/contour_orientation1.shp')
expected_contours = ['LINESTRING (' +
'1.628125 49.493749999999999,' +
'1.63125 49.496875000000003,' +
'1.63125 49.503124999999997,' +
'1.628125 49.50625,' +
'1.621875 49.50625,' +
'1.61875 49.503124999999997,' +
'1.61875 49.496875000000003,' +
'1.621875 49.493749999999999,' +
'1.628125 49.493749999999999)',
'LINESTRING (' +
'1.38125 49.496875000000003,' +
'1.378125 49.493749999999999,' +
'1.371875 49.493749999999999,' +
'1.36875 49.496875000000003,' +
'1.36875 49.503124999999997,' +
'1.371875 49.50625,' +
'1.378125 49.50625,' +
'1.38125 49.503124999999997,' +
'1.38125 49.496875000000003)']
expected_elev = [10, 20]
lyr = ds.ExecuteSQL("select * from contour_orientation1 order by elev asc")
assert lyr.GetFeatureCount() == len(expected_contours)
i = 0
test_failed = False
feat = lyr.GetNextFeature()
while feat is not None:
expected_geom = ogr.CreateGeometryFromWkt(expected_contours[i])
assert feat.GetField('elev') == expected_elev[i]
if ogrtest.check_feature_geometry(feat, expected_geom, 0.01) != 0:
print('Got %s.\nExpected %s' % (feat.GetGeometryRef().ExportToWkt(), expected_contours[i]))
test_failed = True
i = i + 1
feat = lyr.GetNextFeature()
ds.ReleaseResultSet(lyr)
ds.Destroy()
assert not test_failed
def test_gdal_contour_1():
if test_cli_utilities.get_gdal_contour_path() is None:
return 'skip'
try:
os.remove('tmp/contour.shp')
except:
pass
try:
os.remove('tmp/contour.dbf')
except:
pass
try:
os.remove('tmp/contour.shx')
except:
pass
drv = gdal.GetDriverByName('GTiff')
wkt = 'GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9108\"]],AUTHORITY[\"EPSG\",\"4326\"]]'
size = 160
precision = 1. / size
ds = drv.Create('tmp/gdal_contour.tif', size, size, 1)
ds.SetProjection( wkt )
ds.SetGeoTransform( [ 1, precision, 0, 50, 0, -precision ] )
raw_data = array.array('h',[10 for i in range(int(size/2))]).tostring()
for i in range(int(size/2)):
ds.WriteRaster( int(size/4), i+int(size/4), int(size/2), 1, raw_data,
buf_type = gdal.GDT_Int16,
band_list = [1] )
raw_data = array.array('h',[20 for i in range(int(size/2))]).tostring()
for i in range(int(size/4)):
ds.WriteRaster( int(size/4)+int(size/8), i+int(size/4)+int(size/8), int(size/4), 1, raw_data,
buf_type = gdal.GDT_Int16,
band_list = [1] )
raw_data = array.array('h',[25 for i in range(int(size/4))]).tostring()
for i in range(int(size/8)):
ds.WriteRaster( int(size/4)+int(size/8)+int(size/16), i+int(size/4)+int(size/8)+int(size/16), int(size/8), 1, raw_data,
buf_type = gdal.GDT_Int16,
band_list = [1] )
ds = None
gdaltest.runexternal(test_cli_utilities.get_gdal_contour_path() + ' -a elev -i 10 tmp/gdal_contour.tif tmp/contour.shp')
ds = ogr.Open('tmp/contour.shp')
expected_envelopes = [ [ 1.25, 1.75, 49.25, 49.75 ],
[ 1.25+0.125, 1.75-0.125, 49.25+0.125, 49.75-0.125 ] ]
expected_height = [ 10, 20 ]
lyr = ds.ExecuteSQL("select * from contour order by elev asc")
if lyr.GetSpatialRef().ExportToWkt().find('GCS_WGS_1984') == -1:
print('Did not get expected spatial ref')
return 'fail'
if lyr.GetFeatureCount() != len(expected_envelopes):
print('Got %d features. Expected %d' % (lyr.GetFeatureCount(), len(expected_envelopes)))
return 'fail'
i = 0
feat = lyr.GetNextFeature()
while feat is not None:
envelope = feat.GetGeometryRef().GetEnvelope()
if feat.GetField('elev') != expected_height[i]:
print('Got %f. Expected %f' % (feat.GetField('elev'), expected_height[i]))
return 'fail'
for j in range(4):
if abs(expected_envelopes[i][j] - envelope[j]) > precision/2*1.001:
print('i=%d, wkt=%s' % (i, feat.GetGeometryRef().ExportToWkt()))
print(feat.GetGeometryRef().GetEnvelope())
print(expected_envelopes[i])
print('%f, %f' % (expected_envelopes[i][j] - envelope[j], precision / 2))
return 'fail'
i = i + 1
feat = lyr.GetNextFeature()
ds.ReleaseResultSet(lyr)
ds.Destroy()
return 'success'
def test_gdal_contour_2():
if test_cli_utilities.get_gdal_contour_path() is None:
pytest.skip()
try:
os.remove('tmp/contour.shp')
except OSError:
pass
try:
os.remove('tmp/contour.dbf')
except OSError:
pass
try:
os.remove('tmp/contour.shx')
except OSError:
pass
# put -3d just after -fl to test #2793
gdaltest.runexternal(
test_cli_utilities.get_gdal_contour_path() +
' -a elev -fl 10 20 25 -3d tmp/gdal_contour.tif tmp/contour.shp')
size = 160
precision = 1. / size
ds = ogr.Open('tmp/contour.shp')
expected_envelopes = [[1.25, 1.75, 49.25, 49.75],
[
1.25 + 0.125, 1.75 - 0.125, 49.25 + 0.125,
49.75 - 0.125
],
[
1.25 + 0.125 + 0.0625, 1.75 - 0.125 - 0.0625,
49.25 + 0.125 + 0.0625, 49.75 - 0.125 - 0.0625
]]
expected_height = [10, 20, 25]
lyr = ds.ExecuteSQL("select * from contour order by elev asc")
assert lyr.GetFeatureCount() == len(expected_envelopes)
i = 0
feat = lyr.GetNextFeature()
while feat is not None:
assert feat.GetGeometryRef().GetZ(0) == expected_height[i]
envelope = feat.GetGeometryRef().GetEnvelope()
assert feat.GetField('elev') == expected_height[i]
for j in range(4):
if expected_envelopes[i][j] != pytest.approx(
envelope[j], abs=precision / 2 * 1.001):
print('i=%d, wkt=%s' %
(i, feat.GetGeometryRef().ExportToWkt()))
print(feat.GetGeometryRef().GetEnvelope())
pytest.fail(
'%f, %f' %
(expected_envelopes[i][j] - envelope[j], precision / 2))
i = i + 1
feat = lyr.GetNextFeature()
ds.ReleaseResultSet(lyr)
ds.Destroy()
def test_gdal_contour_2():
if test_cli_utilities.get_gdal_contour_path() is None:
return 'skip'
try:
os.remove('tmp/contour.shp')
except:
pass
try:
os.remove('tmp/contour.dbf')
except:
pass
try:
os.remove('tmp/contour.shx')
except:
pass
# put -3d just after -fl to test #2793
gdaltest.runexternal(
test_cli_utilities.get_gdal_contour_path() +
' -a elev -fl 10 20 25 -3d tmp/gdal_contour.tif tmp/contour.shp')
size = 160
precision = 1. / size
ds = ogr.Open('tmp/contour.shp')
expected_envelopes = [[1.25, 1.75, 49.25, 49.75],
[
1.25 + 0.125, 1.75 - 0.125, 49.25 + 0.125,
49.75 - 0.125
],
[
1.25 + 0.125 + 0.0625, 1.75 - 0.125 - 0.0625,
49.25 + 0.125 + 0.0625, 49.75 - 0.125 - 0.0625
]]
expected_height = [10, 20, 25]
lyr = ds.ExecuteSQL("select * from contour order by elev asc")
if lyr.GetFeatureCount() != len(expected_envelopes):
print('Got %d features. Expected %d' %
(lyr.GetFeatureCount(), len(expected_envelopes)))
return 'fail'
i = 0
feat = lyr.GetNextFeature()
while feat is not None:
if feat.GetGeometryRef().GetZ(0) != expected_height[i]:
print('Got %f as z. Expected %f' %
(feat.GetGeometryRef().GetZ(0), expected_height[i]))
return 'fail'
envelope = feat.GetGeometryRef().GetEnvelope()
if feat.GetField('elev') != expected_height[i]:
print('Got %f. Expected %f' %
(feat.GetField('elev'), expected_height[i]))
return 'fail'
for j in range(4):
if abs(expected_envelopes[i][j] -
envelope[j]) > precision / 2 * 1.001:
print('i=%d, wkt=%s' %
(i, feat.GetGeometryRef().ExportToWkt()))
print(feat.GetGeometryRef().GetEnvelope())
print(expected_envelopes[i])
print('%f, %f' %
(expected_envelopes[i][j] - envelope[j], precision / 2))
return 'fail'
i = i + 1
feat = lyr.GetNextFeature()
ds.ReleaseResultSet(lyr)
ds.Destroy()
return 'success'
