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Python sextante.runalg函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Python中sextante.runalg函数的典型用法代码示例。如果您正苦于以下问题：Python runalg函数的具体用法？Python runalg怎么用？Python runalg使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了runalg函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Python代码示例。

示例1: checkGrassIsInstalled

    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)
开发者ID:geodenilson，项目名称:Quantum-GIS，代码行数:27，代码来源:GrassUtils.py


示例2: test_SagaVectorAlgorithWithUnsupportedInputAndOutputFormat

 def test_SagaVectorAlgorithWithUnsupportedInputAndOutputFormat(self):
     '''this tests both the exporting to shp and then the format change in the output layer'''
     layer = sextante.getobject(polygonsGeoJson());
     feature = layer.getFeatures().next()
     selected = [feature.id()]
     layer.setSelectedFeatures(selected)
     outputs=sextante.runalg("saga:polygoncentroids",polygonsGeoJson(),True, SextanteUtils.getTempFilename("geojson"))
     layer.setSelectedFeatures([])
     output=outputs['CENTROIDS']
     layer=QGisLayers.getObjectFromUri(output, True)
     fields=layer.pendingFields()
     expectednames=['ID','POLY_NUM_A','POLY_ST_A']
     expectedtypes=['Real','Real','String']
     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","1.1","string a"]
     values=[str(attr.toString()) for attr in attrs]
     self.assertEqual(expectedvalues, values)
     wkt='POINT(270787.49991451 4458955.46775295)'
     self.assertEqual(wkt, str(feature.geometry().exportToWkt()))
开发者ID:Hardysong，项目名称:Quantum-GIS，代码行数:26，代码来源:SagaTest.py


示例3: test_modelernotinorder

 def test_modelernotinorder(self):
     outputs=sextante.runalg("modeler:notinorder",raster(),None)
     output=outputs['CAREA_ALG0']
     self.assertTrue(os.path.isfile(output))
     dataset=gdal.Open(output, GA_ReadOnly)
     strhash=hash(str(dataset.ReadAsArray(0).tolist()))
     self.assertEqual(strhash,-1557050506)
开发者ID:L-Infantini，项目名称:Quantum-GIS，代码行数:7，代码来源:ModelerAlgorithmTest.py


示例4: test_gdalogrsieveWithUnsupportedOutputFormat

 def test_gdalogrsieveWithUnsupportedOutputFormat(self):
     outputs=sextante.runalg("gdalogr:sieve",raster(),2,0, SextanteUtils.getTempFilename("img"))
     output=outputs['dst_filename']
     self.assertTrue(os.path.isfile(output))
     dataset=gdal.Open(output, GA_ReadOnly)
     strhash=hash(str(dataset.ReadAsArray(0).tolist()))
     self.assertEqual(strhash,-1353696889)
开发者ID:PhilippeDorelon，项目名称:Quantum-GIS，代码行数:7，代码来源:GdalTest.py


示例5: test_sagasortgrid

 def test_sagasortgrid(self):
     outputs=sextante.runalg("saga:sortgrid",raster(),True,None)
     output=outputs['OUTPUT']
     self.assertTrue(os.path.isfile(output))
     dataset=gdal.Open(output, GA_ReadOnly)
     strhash=hash(str(dataset.ReadAsArray(0).tolist()))
     self.assertEqual(strhash,1320073153)
开发者ID:Hardysong，项目名称:Quantum-GIS，代码行数:7，代码来源:SagaTest.py


示例6: checkSagaIsInstalled

    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)
开发者ID:geodenilson，项目名称:Quantum-GIS，代码行数:27，代码来源:SagaUtils.py


示例7: test_gdalogrsieve

 def test_gdalogrsieve(self):
     outputs=sextante.runalg("gdalogr:sieve",raster(),2,0,None)
     output=outputs['dst_filename']
     self.assertTrue(os.path.isfile(output))
     dataset=gdal.Open(output, GA_ReadOnly)
     strhash=hash(str(dataset.ReadAsArray(0).tolist()))
     self.assertEqual(strhash,-1353696889)
开发者ID:PhilippeDorelon，项目名称:Quantum-GIS，代码行数:7，代码来源:GdalTest.py


示例8: test_gdalogrmerge

 def test_gdalogrmerge(self):
     outputs=sextante.runalg("gdalogr:merge",raster(),False,False,None)
     output=outputs['OUTPUT']
     self.assertTrue(os.path.isfile(output))
     dataset=gdal.Open(output, GA_ReadOnly)
     strhash=hash(str(dataset.ReadAsArray(0).tolist()))
     self.assertEqual(strhash,-1353696889)
开发者ID:loiemilio，项目名称:Quantum-GIS，代码行数:7，代码来源:GdalTest.py


示例9: test_modelersimplemodel

 def test_modelersimplemodel(self):
     outputs=sextante.runalg("modeler:simplemodel",raster(),None)
     output=outputs['SLOPE_ALG0']
     self.assertTrue(os.path.isfile(output))
     dataset=gdal.Open(output, GA_ReadOnly)
     strhash=hash(str(dataset.ReadAsArray(0).tolist()))
     self.assertEqual(strhash,1891122097)
开发者ID:L-Infantini，项目名称:Quantum-GIS，代码行数:7，代码来源:ModelerAlgorithmTest.py


示例10: test_gdalogrwarpreproject

 def test_gdalogrwarpreproject(self):
     outputs=sextante.runalg("gdalogr:warpreproject",raster(),"EPSG:23030","EPSG:4326",0,0,"",None)
     output=outputs['OUTPUT']
     self.assertTrue(os.path.isfile(output))
     dataset=gdal.Open(output, GA_ReadOnly)
     strhash=hash(str(dataset.ReadAsArray(0).tolist()))
     self.assertEqual(strhash,-2021328784)
开发者ID:loiemilio，项目名称:Quantum-GIS，代码行数:7，代码来源:GdalTest.py


示例11: test_SagaRasterAlgorithmWithUnsupportedOutputFormat

 def test_SagaRasterAlgorithmWithUnsupportedOutputFormat(self):
     outputs=sextante.runalg("saga:convergenceindex",raster(),0,0,SextanteUtils.getTempFilename("img"))
     output=outputs['RESULT']
     self.assertTrue(os.path.isfile(output))
     dataset=gdal.Open(output, GA_ReadOnly)
     strhash=hash(str(dataset.ReadAsArray(0).tolist()))
     self.assertEqual(strhash, 485390137)
开发者ID:Hardysong，项目名称:Quantum-GIS，代码行数:7，代码来源:SagaTest.py


示例12: test_SagaVectorAlgorithmWithSelection

 def test_SagaVectorAlgorithmWithSelection(self):
     layer = sextante.getobject(polygons2());
     feature = layer.getFeatures().next()
     selected = [feature.id()]
     layer.setSelectedFeatures(selected)
     outputs=sextante.runalg("saga:polygoncentroids",polygons2(),True,None)
     layer.setSelectedFeatures([])
     output=outputs['CENTROIDS']
     layer=QGisLayers.getObjectFromUri(output, True)
     fields=layer.pendingFields()
     expectednames=['ID','POLY_NUM_B','POLY_ST_B']
     expectedtypes=['Real','Real','String']
     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=["2","1","string a"]
     values=[str(attr.toString()) for attr in attrs]
     self.assertEqual(expectedvalues, values)
     wkt='POINT(270806.69221918 4458924.97720492)'
     self.assertEqual(wkt, str(feature.geometry().exportToWkt()))
开发者ID:Hardysong，项目名称:Quantum-GIS，代码行数:25，代码来源:SagaTest.py


示例13: test_modelerfieldautoextent

 def test_modelerfieldautoextent(self):
     outputs=sextante.runalg("modeler:fieldautoextent",polygons(),"POLY_NUM_A",None)
     output=outputs['USER_GRID_ALG0']
     self.assertTrue(os.path.isfile(output))
     dataset=gdal.Open(output, GA_ReadOnly)
     strhash=hash(str(dataset.ReadAsArray(0).tolist()))
     self.assertEqual(strhash,2026100494)
开发者ID:L-Infantini，项目名称:Quantum-GIS，代码行数:7，代码来源:ModelerAlgorithmTest.py


示例14: test_sagametricconversions

 def test_sagametricconversions(self):
     outputs=sextante.runalg("saga:metricconversions",raster(),0,None)
     output=outputs['CONV']
     self.assertTrue(os.path.isfile(output))
     dataset=gdal.Open(output, GA_ReadOnly)
     strhash=hash(str(dataset.ReadAsArray(0).tolist()))
     self.assertEqual(strhash,-2137931723)
开发者ID:Hardysong，项目名称:Quantum-GIS，代码行数:7，代码来源:SagaTest.py


示例15: runalg_none

 def runalg_none(self):
     result = sextante.runalg(self.alg, *self.args)
     print bcolors.ENDC
     self.assertIsNotNone(result, self.msg)
     if not result:
         return
     for p in result.values():
         if isinstance(p, str):
             self.assertTrue(os.path.exists(p), "Output %s exists" % p)
开发者ID:Adam-Brown，项目名称:Quantum-GIS，代码行数:9，代码来源:test.py


示例16: test_qgiscountpointsinpolygon

 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)
开发者ID:Hardysong，项目名称:Quantum-GIS，代码行数:18，代码来源:RunAlgTest.py


示例17: testWrongformat

 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)
开发者ID:Adam-Brown，项目名称:Quantum-GIS，代码行数:19，代码来源:GeoAlgorithmTest.py


示例18: test_gdalogrogr2ogrWrongExtension

 def test_gdalogrogr2ogrWrongExtension(self):
         outputs=sextante.runalg("gdalogr:ogr2ogr",union(),3,"",SextanteUtils.getTempFilename("wrongext"))
         output=outputs['OUTPUT_LAYER']
         layer=QGisLayers.getObjectFromUri(output, True)
         fields=layer.pendingFields()
         expectednames=['id','poly_num_a','poly_st_a','id_2','poly_num_b','poly_st_b']
         expectedtypes=['Integer','Real','String','Integer','Real','String']
         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(8, len(features))
         feature=features.next()
         attrs=feature.attributes()
         expectedvalues=["1","1.1","string a","2","1","string a"]
         values=[str(attr.toString()) for attr in attrs]
         self.assertEqual(expectedvalues, values)
         wkt='POLYGON((270807.08580285 4458940.1594565,270798.42294527 4458914.62661676,270780.81854858 4458914.21983449,270763.52289518 4458920.715993,270760.3449542 4458926.6570575,270763.78234766 4458958.22561242,270794.30290024 4458942.16424502,270807.08580285 4458940.1594565))'
         self.assertEqual(wkt, str(feature.geometry().exportToWkt()))
开发者ID:loiemilio，项目名称:Quantum-GIS，代码行数:20，代码来源:GdalTest.py


示例19: test_modelersagagrass

 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()))
开发者ID:L-Infantini，项目名称:Quantum-GIS，代码行数:20，代码来源:ModelerAlgorithmTest.py


示例20: test_scripthexgridfromlayerbounds

 def test_scripthexgridfromlayerbounds(self):
     outputs=sextante.runalg("script:hexgridfromlayerbounds",polygons(),10,None)
     output=outputs['grid']
     layer=QGisLayers.getObjectFromUri(output, True)
     fields=layer.pendingFields()
     expectednames=['longitude','latitude']
     expectedtypes=['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(117, len(features))
     feature=features.next()
     attrs=feature.attributes()
     expectedvalues=["270765.621834001","4458907.27146471"]
     values=[str(attr) for attr in attrs]
     self.assertEqual(expectedvalues, values)
     wkt='POLYGON((270771.39533669 4458907.27146471,270768.50858535 4458902.27146471,270762.73508265 4458902.27146471,270759.84833131 4458907.27146471,270762.73508265 4458912.27146471,270768.50858535 4458912.27146471,270771.39533669 4458907.27146471))'
     self.assertEqual(wkt, str(feature.geometry().exportToWkt()))
开发者ID:Adam-Brown，项目名称:Quantum-GIS，代码行数:20，代码来源:ScriptTest.py



注：本文中的sextante.runalg函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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