本文整理汇总了Python中qgis.core.QgsComposerPolyline.nodeAtPosition方法的典型用法代码示例。如果您正苦于以下问题：Python QgsComposerPolyline.nodeAtPosition方法的具体用法？Python QgsComposerPolyline.nodeAtPosition怎么用？Python QgsComposerPolyline.nodeAtPosition使用的例子？那么, 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.QgsComposerPolyline的用法示例。
在下文中一共展示了QgsComposerPolyline.nodeAtPosition方法的1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: TestQgsComposerPolyline
# 需要导入模块: from qgis.core import QgsComposerPolyline [as 别名]
# 或者: from qgis.core.QgsComposerPolyline import nodeAtPosition [as 别名]
#.........这里部分代码省略.........
rc = self.mComposerPolyline.removeNode(100)
self.assertEqual(rc, False)
checker = QgsCompositionChecker(
'composerpolyline_defaultstyle', self.mComposition)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testComposition()
assert myTestResult, myMessage
self.assertEqual(self.mComposerPolyline.nodesSize(), 4)
rc = self.mComposerPolyline.removeNode(3)
self.assertEqual(rc, True)
self.assertEqual(self.mComposerPolyline.nodesSize(), 3)
checker = QgsCompositionChecker(
'composerpolyline_removednode', self.mComposition)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testComposition()
assert myTestResult, myMessage
def testAddNode(self):
"""Test addNode method"""
# default searching radius is 10
self.assertEqual(self.mComposerPolyline.nodesSize(), 4)
rc = self.mComposerPolyline.addNode(QPointF(50.0, 10.0))
self.assertEqual(rc, False)
# default searching radius is 10
self.assertEqual(self.mComposerPolyline.nodesSize(), 4)
rc = self.mComposerPolyline.addNode(QPointF(50.0, 9.99))
self.assertEqual(rc, True)
self.assertEqual(self.mComposerPolyline.nodesSize(), 5)
def testAddNodeCustomRadius(self):
"""Test addNode with custom radius"""
# default searching radius is 10
self.assertEqual(self.mComposerPolyline.nodesSize(), 4)
rc = self.mComposerPolyline.addNode(QPointF(50.0, 8.1), True, 8.0)
self.assertEqual(rc, False)
self.assertEqual(self.mComposerPolyline.nodesSize(), 4)
# default searching radius is 10
rc = self.mComposerPolyline.addNode(QPointF(50.0, 7.9), True, 8.0)
self.assertEqual(rc, True)
self.assertEqual(self.mComposerPolyline.nodesSize(), 5)
def testAddNodeWithoutCheckingArea(self):
"""Test addNode without checking the maximum distance allowed"""
# default searching radius is 10
self.assertEqual(self.mComposerPolyline.nodesSize(), 4)
rc = self.mComposerPolyline.addNode(QPointF(50.0, 20.0))
self.assertEqual(rc, False)
self.assertEqual(self.mComposerPolyline.nodesSize(), 4)
# default searching radius is 10
self.assertEqual(self.mComposerPolyline.nodesSize(), 4)
rc = self.mComposerPolyline.addNode(QPointF(50.0, 20.0), False)
self.assertEqual(rc, True)
self.assertEqual(self.mComposerPolyline.nodesSize(), 5)
checker = QgsCompositionChecker(
'composerpolyline_addnode', self.mComposition)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testComposition()
assert myTestResult, myMessage
def testMoveNode(self):
"""Test moveNode method"""
rc = self.mComposerPolyline.moveNode(30, QPointF(100.0, 300.0))
self.assertEqual(rc, False)
rc = self.mComposerPolyline.moveNode(3, QPointF(100.0, 150.0))
self.assertEqual(rc, True)
checker = QgsCompositionChecker(
'composerpolyline_movenode', self.mComposition)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testComposition()
assert myTestResult, myMessage
def testNodeAtPosition(self):
"""Test nodeAtPosition method"""
# default searching radius is 10
rc = self.mComposerPolyline.nodeAtPosition(QPointF(100.0, 210.0))
self.assertEqual(rc, -1)
# default searching radius is 10
rc = self.mComposerPolyline.nodeAtPosition(
QPointF(100.0, 210.0), False)
self.assertEqual(rc, 3)
# default searching radius is 10
rc = self.mComposerPolyline.nodeAtPosition(
QPointF(100.0, 210.0), True, 10.1)
self.assertEqual(rc, 3)