本文整理汇总了Python中qgis.core.QgsVectorLayer.isSpatial方法的典型用法代码示例。如果您正苦于以下问题：Python QgsVectorLayer.isSpatial方法的具体用法？Python QgsVectorLayer.isSpatial怎么用？Python QgsVectorLayer.isSpatial使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qgis.core.QgsVectorLayer的用法示例。
在下文中一共展示了QgsVectorLayer.isSpatial方法的4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，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _aliased_sql_helper
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import isSpatial [as 别名]
def _aliased_sql_helper(self, dbname):
queries = (
'(SELECT * FROM (SELECT * from \\"some view\\"))',
'(SELECT * FROM \\"some view\\")',
'(select sd.* from somedata as sd left join somedata as sd2 on ( sd2.name = sd.name ))',
'(select sd.* from \\"somedata\\" as sd left join \\"somedata\\" as sd2 on ( sd2.name = sd.name ))',
"(SELECT * FROM somedata as my_alias1\n)",
"(SELECT * FROM somedata as my_alias2)",
"(SELECT * FROM somedata AS my_alias3)",
'(SELECT * FROM \\"somedata\\" as my_alias4\n)',
'(SELECT * FROM (SELECT * FROM \\"somedata\\"))',
'(SELECT my_alias5.* FROM (SELECT * FROM \\"somedata\\") AS my_alias5)',
'(SELECT my_alias6.* FROM (SELECT * FROM \\"somedata\\" as my_alias\n) AS my_alias6)',
'(SELECT my_alias7.* FROM (SELECT * FROM \\"somedata\\" as my_alias\n) AS my_alias7\n)',
'(SELECT my_alias8.* FROM (SELECT * FROM \\"some data\\") AS my_alias8)',
'(SELECT my_alias9.* FROM (SELECT * FROM \\"some data\\" as my_alias\n) AS my_alias9)',
'(SELECT my_alias10.* FROM (SELECT * FROM \\"some data\\" as my_alias\n) AS my_alias10\n)',
'(select sd.* from \\"some data\\" as sd left join \\"some data\\" as sd2 on ( sd2.name = sd.name ))',
'(SELECT * FROM \\"some data\\" as my_alias11\n)',
'(SELECT * FROM \\"some data\\" as my_alias12)',
'(SELECT * FROM \\"some data\\" AS my_alias13)',
'(SELECT * from \\"some data\\" AS my_alias14\n)',
'(SELECT * FROM (SELECT * from \\"some data\\"))',
)
for sql in queries:
vl = QgsVectorLayer('dbname=\'{}\' table="{}" (geom) sql='.format(dbname, sql), 'test', 'spatialite')
self.assertTrue(vl.isValid(), 'dbname: {} - sql: {}'.format(dbname, sql))
self.assertTrue(vl.featureCount() > 1)
self.assertTrue(vl.isSpatial())示例2: test_SplitFeatureWithMultiKey
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import isSpatial [as 别名]
def test_SplitFeatureWithMultiKey(self):
"""Create SpatiaLite database"""
layer = QgsVectorLayer("dbname=%s table=test_pg_mk (geometry)" % self.dbname, "test_pg_mk", "spatialite")
self.assertTrue(layer.isValid())
self.assertTrue(layer.isSpatial())
layer.startEditing()
self.assertEqual(layer.splitFeatures([QgsPointXY(0.5, -0.5), QgsPointXY(0.5, 1.5)], 0), 0)
self.assertEqual(layer.splitFeatures([QgsPointXY(-0.5, 0.5), QgsPointXY(1.5, 0.5)], 0), 0)
self.assertTrue(layer.commitChanges())示例3: test_SplitTruToCreateCutEdge
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import isSpatial [as 别名]
def test_SplitTruToCreateCutEdge(self):
"""Try to creat a cut edge"""
layer = QgsVectorLayer("dbname=test.sqlite table=test_pg (geometry)", "test_pg", "spatialite")
assert(layer.isValid())
assert(layer.isSpatial())
layer.featureCount() == 1 or die("wrong number of features")
layer.startEditing()
layer.splitFeatures([QgsPointXY(1.5, -0.5), QgsPointXY(1.5, 1.5)], 0) == 0 or die("error when trying to create an invalid polygon in split")
layer.commitChanges() or die("this commit should work")
layer.featureCount() == 1 or die("wrong number of features, polygon should be unafected by cut")示例4: test_SplitMultipolygon
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import isSpatial [as 别名]
def test_SplitMultipolygon(self):
"""Split multipolygon"""
layer = QgsVectorLayer("dbname=test.sqlite table=test_mpg (geometry)", "test_mpg", "spatialite")
assert(layer.isValid())
assert(layer.isSpatial())
layer.featureCount() == 1 or die("wrong number of features")
layer.startEditing()
layer.splitFeatures([QgsPointXY(0.5, -0.5), QgsPointXY(0.5, 1.5)], 0) == 0 or die("error in split of one polygon of multipolygon")
layer.splitFeatures([QgsPointXY(2.5, -0.5), QgsPointXY(2.5, 4)], 0) == 0 or die("error in split of two polygons of multipolygon at a time")
layer.commitChanges() or die("this commit should work")
layer.featureCount() == 7 or die("wrong number of features after 2 split")