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Python QgsComposerPolyline.nodesSize方法代码示例

本文整理汇总了Python中qgis.core.QgsComposerPolyline.nodesSize方法的典型用法代码示例。如果您正苦于以下问题:Python QgsComposerPolyline.nodesSize方法的具体用法?Python QgsComposerPolyline.nodesSize怎么用?Python QgsComposerPolyline.nodesSize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qgis.core.QgsComposerPolyline的用法示例。


在下文中一共展示了QgsComposerPolyline.nodesSize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 nodesSize [as 别名]

#.........这里部分代码省略.........

    def testSelectedNode(self):
        """Test selectedNode and unselectNode methods"""

        self.mComposerPolyline.setDisplayNodes(True)

        self.mComposerPolyline.setSelectedNode(3)
        checker = QgsCompositionChecker(
            'composerpolyline_selectednode', self.mComposition)
        checker.setControlPathPrefix("composer_polyline")
        myTestResult, myMessage = checker.testComposition()
        assert myTestResult, myMessage

        self.mComposerPolyline.unselectNode()
        self.mComposerPolyline.setDisplayNodes(False)
        checker = QgsCompositionChecker(
            'composerpolyline_defaultstyle', self.mComposition)
        checker.setControlPathPrefix("composer_polyline")
        myTestResult, myMessage = checker.testComposition()
        assert myTestResult, myMessage

    def testRemoveNode(self):
        """Test removeNode method"""

        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)
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