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.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()
if not ignoreRegistrySettings:
GRASS_INSTALLED = "/SextanteQGIS/GrassInstalled"
if settings.contains(GRASS_INSTALLED):
return
try:
from sextante.core.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 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.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()
if not ignoreRegistrySettings:
GRASS_INSTALLED = "/SextanteQGIS/GrassInstalled"
if settings.contains(GRASS_INSTALLED):
return
try:
from sextante.core.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 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 checkSagaIsInstalled(cls):
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")
SAGA_INSTALLED = "/SextanteQGIS/SagaInstalled"
settings = QSettings()
if settings.contains(SAGA_INSTALLED):
return
try:
qgis = QGisLayers.iface
crs = qgis.mapCanvas().mapRenderer().destinationCrs()
fields = []
fields.append(QgsField("NUM_FIELD", QVariant.Int))
filename = SextanteUtils.getTempFilename("shp")
writer = SextanteVectorWriter(filename, None, fields, QGis.WKBPoint, crs)
for x in range(5):
for y in range(5):
attrs = []
attrs.append(QVariant(x))
outFeat = QgsFeature()
pt = QgsPoint(x, y)
outFeat.setGeometry(QgsGeometry.fromPoint(pt))
outFeat.setAttributes(attrs)
writer.addFeature(outFeat)
del writer.writer
del writer
from sextante.core.Sextante import runalg
result = runalg("saga:thiessenpolygons", filename, 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("/SextanteQGIS/SagaInstalled", True)
