def checkSagaIsInstalled(ignoreRegistrySettings=False):
if SextanteUtils.isWindows():
path = SagaUtils.sagaPath()
if path == "":
return "SAGA folder is not configured.\nPlease configure it before running SAGA algorithms."
cmdpath = os.path.join(path, "saga_cmd.exe")
if not os.path.exists(cmdpath):
return (
"The specified SAGA folder does not contain a valid SAGA executable.\n"
+
"Please, go to the SEXTANTE settings dialog, and check that the SAGA\n"
+ "folder is correctly configured")
settings = QSettings()
SAGA_INSTALLED = "/SextanteQGIS/SagaInstalled"
if not ignoreRegistrySettings:
if settings.contains(SAGA_INSTALLED):
return
try:
from sextante import runalg
result = runalg("saga:thiessenpolygons", points(), None)
if not os.path.exists(result['POLYGONS']):
return "It seems that SAGA is not correctly installed in your system.\nPlease install it before running SAGA algorithms."
except:
s = traceback.format_exc()
return "Error while checking SAGA installation. SAGA might not be correctly configured.\n" + s
settings.setValue(SAGA_INSTALLED, True)
def checkGrassIsInstalled(ignoreRegistrySettings=False):
if SextanteUtils.isWindows():
path = GrassUtils.grassPath()
if path == "":
return "GRASS folder is not configured.\nPlease configure it before running SAGA algorithms."
cmdpath = os.path.join(path, "bin","r.out.gdal.exe")
if not os.path.exists(cmdpath):
return ("The specified GRASS folder does not contain a valid set of GRASS modules.\n"
+ "Please, go to the SEXTANTE settings dialog, and check that the GRASS\n"
+ "folder is correctly configured")
settings = QSettings()
GRASS_INSTALLED = "/SextanteQGIS/GrassInstalled"
if not ignoreRegistrySettings:
if settings.contains(GRASS_INSTALLED):
return
try:
from sextante import runalg
result = runalg("grass:v.voronoi", points(),False,False,"270778.60198,270855.745301,4458921.97814,4458983.8488",-1,0.0001, 0, None)
if not os.path.exists(result['output']):
return "It seems that GRASS is not correctly installed and configured in your system.\nPlease install it before running GRASS algorithms."
except:
s = traceback.format_exc()
return "Error while checking GRASS installation. GRASS might not be correctly configured.\n" + s;
settings.setValue(GRASS_INSTALLED, True)
def checkSagaIsInstalled(ignoreRegistrySettings=False):
if SextanteUtils.isWindows():
path = SagaUtils.sagaPath()
if path == "":
return "SAGA folder is not configured.\nPlease configure it before running SAGA algorithms."
cmdpath = os.path.join(path, "saga_cmd.exe")
if not os.path.exists(cmdpath):
return ("The specified SAGA folder does not contain a valid SAGA executable.\n"
+ "Please, go to the SEXTANTE settings dialog, and check that the SAGA\n"
+ "folder is correctly configured")
settings = QSettings()
if not ignoreRegistrySettings:
SAGA_INSTALLED = "/SextanteQGIS/SagaInstalled"
if settings.contains(SAGA_INSTALLED):
return
try:
from sextante.core.Sextante import runalg
result = runalg("saga:thiessenpolygons", points(), None)
if not os.path.exists(result['POLYGONS']):
return "It seems that SAGA is not correctly installed in your system.\nPlease install it before running SAGA algorithms."
except:
s = traceback.format_exc()
return "Error while checking SAGA installation. SAGA might not be correctly configured.\n" + s;
settings.setValue(SAGA_INSTALLED, True)
def checkGrassIsInstalled(ignoreRegistrySettings=False):
if SextanteUtils.isWindows():
path = GrassUtils.grassPath()
if path == "":
return "GRASS folder is not configured.\nPlease configure it before running SAGA algorithms."
cmdpath = os.path.join(path, "bin","r.out.gdal.exe")
if not os.path.exists(cmdpath):
return ("The specified GRASS folder does not contain a valid set of GRASS modules.\n"
+ "Please, go to the SEXTANTE settings dialog, and check that the GRASS\n"
+ "folder is correctly configured")
settings = QSettings()
GRASS_INSTALLED = "/SextanteQGIS/GrassInstalled"
if not ignoreRegistrySettings:
if settings.contains(GRASS_INSTALLED):
return
try:
from sextante import runalg
result = runalg("grass:v.voronoi", points(),False,False,"270778.60198,270855.745301,4458921.97814,4458983.8488",-1,0.0001,None)
if not os.path.exists(result['output']):
return "It seems that GRASS is not correctly installed and configured in your system.\nPlease install it before running GRASS algorithms."
except:
s = traceback.format_exc()
return "Error while checking GRASS installation. GRASS might not be correctly configured.\n" + s;
settings.setValue(GRASS_INSTALLED, True)
def test_attributeValues(self):
layer = sextante.getobject(points())
attributeValues = values(layer, "ID")
i = 1
for value in attributeValues['ID']:
self.assertEqual(int(i), int(value))
i += 1
self.assertEquals(13, i)
def test_featuresWithSelection(self):
layer = sextante.getobject(points())
feature = layer.getFeatures().next()
selected = [feature.id()]
layer.setSelectedFeatures(selected)
features = sextante.getfeatures(layer)
self.assertEqual(1, len(features))
layer.setSelectedFeatures([])
def test_attributeValues(self):
layer = sextante.getobject(points())
attributeValues = values(layer, "ID")
i = 1
for value in attributeValues['ID']:
self.assertEqual(int(i), int(value))
i+=1
self.assertEquals(13,i)
def test_featuresWithSelection(self):
layer = sextante.getobject(points())
feature = layer.getFeatures().next()
selected = [feature.id()]
layer.setSelectedFeatures(selected)
features = sextante.getfeatures(layer)
self.assertEqual(1, len(features))
layer.setSelectedFeatures([])
def test_qgiscountpointsinpolygon(self):
outputs=sextante.runalg("qgis:countpointsinpolygon",polygons(),points(),"NUMPOINTS", self.getOutputFile())
output=outputs['OUTPUT']
layer=QGisLayers.getObjectFromUri(output, True)
fields=layer.pendingFields()
expectednames=['ID','POLY_NUM_A','POLY_ST_A','NUMPOINTS']
expectedtypes=['Integer','Real','String','Real']
names=[str(f.name()) for f in fields]
types=[str(f.typeName()) for f in fields]
self.assertEqual(expectednames, names)
self.assertEqual(expectedtypes, types)
features=sextante.getfeatures(layer)
self.assertEqual(2, len(features))
feature=features.next()
attrs=feature.attributes()
expectedvalues=["1","1.1","string a","6"]
values=[str(attr.toString()) for attr in attrs]
self.assertEqual(expectedvalues, values)
def testWrongformat(self):
outputs=sextante.runalg("qgis:countpointsinpolygon",polygons(),points(),"NUMPOINTS",SextanteUtils.getTempFilename("wrongext"))
output=outputs['OUTPUT']
self.assertTrue(output.endswith('shp'))
layer=QGisLayers.getObjectFromUri(output, True)
fields=layer.pendingFields()
expectednames=['ID','POLY_NUM_A','POLY_ST_A','NUMPOINTS']
expectedtypes=['Integer','Real','String','Real']
names=[str(f.name()) for f in fields]
types=[str(f.typeName()) for f in fields]
self.assertEqual(expectednames, names)
self.assertEqual(expectedtypes, types)
features=sextante.getfeatures(layer)
self.assertEqual(2, len(features))
feature=features.next()
attrs=feature.attributes()
expectedvalues=["1","1.1","string a","6.0"]
values=[str(attr) for attr in attrs]
self.assertEqual(expectedvalues, values)
def test_modelersagagrass(self):
outputs=sextante.runalg("modeler:sagagrass",points(),None)
output=outputs['CENTROIDS_ALG1']
layer=QGisLayers.getObjectFromUri(output, True)
fields=layer.pendingFields()
expectednames=['CAT']
expectedtypes=['Real']
names=[str(f.name()) for f in fields]
types=[str(f.typeName()) for f in fields]
self.assertEqual(expectednames, names)
self.assertEqual(expectedtypes, types)
features=sextante.getfeatures(layer)
self.assertEqual(12, len(features))
feature=features.next()
attrs=feature.attributes()
expectedvalues=["1"]
values=[str(attr.toString()) for attr in attrs]
self.assertEqual(expectedvalues, values)
wkt='POINT(270839.65586926 4458983.16267036)'
self.assertEqual(wkt, str(feature.geometry().exportToWkt()))
def test_modelersagagrass(self):
outputs=sextante.runalg("modeler:sagagrass",points(),None)
output=outputs['CENTROIDS_ALG1']
layer=QGisLayers.getObjectFromUri(output, True)
fields=layer.pendingFields()
expectednames=['CAT']
expectedtypes=['Real']
names=[str(f.name()) for f in fields]
types=[str(f.typeName()) for f in fields]
self.assertEqual(expectednames, names)
self.assertEqual(expectedtypes, types)
features=sextante.getfeatures(layer)
self.assertEqual(12, len(features))
feature=features.next()
attrs=feature.attributes()
expectedvalues=["1"]
values=[str(attr.toString()) for attr in attrs]
self.assertEqual(expectedvalues, values)
wkt='POINT(270839.65586926 4458983.16267036)'
self.assertEqual(wkt, str(feature.geometry().exportToWkt()))
def test_modeleroptionalfield(self):
outputs=sextante.runalg("modeler:optionalfield",points(),None)
output=outputs['OUTPUT_ALG0']
layer=QGisLayers.getObjectFromUri(output, True)
fields=layer.pendingFields()
expectednames=['id','value','area','perim']
expectedtypes=['Integer','String','Real','Real']
names=[str(f.name()) for f in fields]
types=[str(f.typeName()) for f in fields]
self.assertEqual(expectednames, names)
self.assertEqual(expectedtypes, types)
features=sextante.getfeatures(layer)
self.assertEqual(1, len(features))
feature=features.next()
attrs=feature.attributes()
expectedvalues=["0","all","3592.818848","230.989919"]
values=[str(attr.toString()) for attr in attrs]
self.assertEqual(expectedvalues, values)
wkt='POLYGON((270839.46818665 4458921.97813894,270778.60197966 4458935.96883677,270786.54279065 4458980.04784113,270803.15756434 4458983.84880322,270839.65586926 4458983.16267036,270855.74530134 4458940.79948673,270839.46818665 4458921.97813894))'
self.assertEqual(wkt, str(feature.geometry().exportToWkt()))
def testWrongformat(self):
outputs = sextante.runalg("qgis:countpointsinpolygon", polygons(),
points(), "NUMPOINTS",
SextanteUtils.getTempFilename("wrongext"))
output = outputs['OUTPUT']
self.assertTrue(output.endswith('shp'))
layer = QGisLayers.getObjectFromUri(output, True)
fields = layer.pendingFields()
expectednames = ['ID', 'POLY_NUM_A', 'POLY_ST_A', 'NUMPOINTS']
expectedtypes = ['Integer', 'Real', 'String', 'Real']
names = [str(f.name()) for f in fields]
types = [str(f.typeName()) for f in fields]
self.assertEqual(expectednames, names)
self.assertEqual(expectedtypes, types)
features = sextante.getfeatures(layer)
self.assertEqual(2, len(features))
feature = features.next()
attrs = feature.attributes()
expectedvalues = ["1", "1.1", "string a", "6.0"]
values = [str(attr) for attr in attrs]
self.assertEqual(expectedvalues, values)
def test_getobject(self):
layer = sextante.getobject(points())
self.assertIsNotNone(layer)
layer = sextante.getobject("points")
self.assertIsNotNone(layer)
def test_runandload(self):
sextante.runandload("qgis:countpointsinpolygon", polygons(), points(),
"NUMPOINTS", None)
layer = getfromname("Result")
self.assertIsNotNone(layer)
def test_featuresWithoutSelection(self):
layer = sextante.getobject(points())
features = sextante.getfeatures(layer)
self.assertEqual(12, len(features))
def test_getobject(self):
layer = sextante.getobject(points());
self.assertIsNotNone(layer)
layer = sextante.getobject("points");
self.assertIsNotNone(layer)
def test_runandload(self):
sextante.runandload("qgis:countpointsinpolygon",polygons(),points(),"NUMPOINTS", None)
layer = getfromname("Result")
self.assertIsNotNone(layer)
def test_featuresWithoutSelection(self):
layer = sextante.getobject(points())
features = sextante.getfeatures(layer)
self.assertEqual(12, len(features))
