本文整理汇总了Python中qgis.core.QgsMapLayerStore.mapLayersByName方法的典型用法代码示例。如果您正苦于以下问题：Python QgsMapLayerStore.mapLayersByName方法的具体用法？Python QgsMapLayerStore.mapLayersByName怎么用？Python QgsMapLayerStore.mapLayersByName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.QgsMapLayerStore的用法示例。
在下文中一共展示了QgsMapLayerStore.mapLayersByName方法的7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: test_addMapLayersAlreadyAdded
# 需要导入模块: from qgis.core import QgsMapLayerStore [as 别名]
# 或者: from qgis.core.QgsMapLayerStore import mapLayersByName [as 别名]
def test_addMapLayersAlreadyAdded(self):
""" test that already added layers can't be readded to store """
store = QgsMapLayerStore()
l1 = createLayer('test')
self.assertEqual(store.addMapLayers([l1]), [l1])
self.assertEqual(len(store.mapLayersByName('test')), 1)
self.assertEqual(store.count(), 1)
self.assertEqual(store.addMapLayers([l1]), [])
self.assertEqual(len(store.mapLayersByName('test')), 1)
self.assertEqual(store.count(), 1)示例2: test_removeAllMapLayers
# 需要导入模块: from qgis.core import QgsMapLayerStore [as 别名]
# 或者: from qgis.core.QgsMapLayerStore import mapLayersByName [as 别名]
def test_removeAllMapLayers(self):
""" test removing all map layers from store """
store = QgsMapLayerStore()
l1 = createLayer('test')
l2 = createLayer('test2')
store.addMapLayers([l1, l2])
self.assertEqual(store.count(), 2)
store.removeAllMapLayers()
self.assertEqual(store.count(), 0)
self.assertEqual(store.mapLayersByName('test'), [])
self.assertEqual(store.mapLayersByName('test2'), [])示例3: test_addMapLayerInvalid
# 需要导入模块: from qgis.core import QgsMapLayerStore [as 别名]
# 或者: from qgis.core.QgsMapLayerStore import mapLayersByName [as 别名]
def test_addMapLayerInvalid(self):
""" test that invalid map layers can't be added to store """
store = QgsMapLayerStore()
self.assertEqual(store.addMapLayer(QgsVectorLayer("Point?field=x:string", 'test', "xxx")), None)
self.assertEqual(len(store.mapLayersByName('test')), 0)
self.assertEqual(store.count(), 0)示例4: test_addMapLayer
# 需要导入模块: from qgis.core import QgsMapLayerStore [as 别名]
# 或者: from qgis.core.QgsMapLayerStore import mapLayersByName [as 别名]
def test_addMapLayer(self):
""" test adding individual map layers to store"""
store = QgsMapLayerStore()
l1 = createLayer('test')
self.assertEqual(store.addMapLayer(l1), l1)
self.assertEqual(len(store.mapLayersByName('test')), 1)
self.assertEqual(store.count(), 1)
self.assertEqual(len(store), 1)
# adding a second layer should leave existing layers intact
l2 = createLayer('test2')
self.assertEqual(store.addMapLayer(l2), l2)
self.assertEqual(len(store.mapLayersByName('test')), 1)
self.assertEqual(len(store.mapLayersByName('test2')), 1)
self.assertEqual(store.count(), 2)
self.assertEqual(len(store), 2)示例5: test_mapLayersByName
# 需要导入模块: from qgis.core import QgsMapLayerStore [as 别名]
# 或者: from qgis.core.QgsMapLayerStore import mapLayersByName [as 别名]
def test_mapLayersByName(self):
""" test retrieving map layer by name """
store = QgsMapLayerStore()
# test no crash with empty store
self.assertEqual(store.mapLayersByName('bad'), [])
self.assertEqual(store.mapLayersByName(None), [])
l1 = createLayer('test')
l2 = createLayer('test2')
store.addMapLayers([l1, l2])
self.assertEqual(store.mapLayersByName('bad'), [])
self.assertEqual(store.mapLayersByName(None), [])
self.assertEqual(store.mapLayersByName('test'), [l1])
self.assertEqual(store.mapLayersByName('test2'), [l2])
#duplicate name
# little bit of a hack - we don't want a duplicate ID and since IDs are currently based on time we wait a bit here
sleep(0.1)
l3 = createLayer('test')
store.addMapLayer(l3)
self.assertEqual(set(store.mapLayersByName('test')), {l1, l3})示例6: test_addMapLayersInvalid
# 需要导入模块: from qgis.core import QgsMapLayerStore [as 别名]
# 或者: from qgis.core.QgsMapLayerStore import mapLayersByName [as 别名]
def test_addMapLayersInvalid(self):
""" test that invalid map layers can be added to store """
store = QgsMapLayerStore()
vl = QgsVectorLayer("Point?field=x:string", 'test', "xxx")
self.assertEqual(store.addMapLayers([vl]), [vl])
self.assertEqual(len(store.mapLayersByName('test')), 1)
self.assertEqual(store.count(), 1)
self.assertEqual(store.validCount(), 0)示例7: test_addMapLayers
# 需要导入模块: from qgis.core import QgsMapLayerStore [as 别名]
# 或者: from qgis.core.QgsMapLayerStore import mapLayersByName [as 别名]
def test_addMapLayers(self):
""" test adding multiple map layers to store """
store = QgsMapLayerStore()
l1 = createLayer('test')
l2 = createLayer('test2')
self.assertEqual(set(store.addMapLayers([l1, l2])), {l1, l2})
self.assertEqual(len(store.mapLayersByName('test')), 1)
self.assertEqual(len(store.mapLayersByName('test2')), 1)
self.assertEqual(store.count(), 2)
# adding more layers should leave existing layers intact
l3 = createLayer('test3')
l4 = createLayer('test4')
self.assertEqual(set(store.addMapLayers([l3, l4])), {l3, l4})
self.assertEqual(len(store.mapLayersByName('test')), 1)
self.assertEqual(len(store.mapLayersByName('test2')), 1)
self.assertEqual(len(store.mapLayersByName('test3')), 1)
self.assertEqual(len(store.mapLayersByName('test4')), 1)
self.assertEqual(store.count(), 4)
store.removeAllMapLayers()