本文整理汇总了Python中qgis.core.QgsMarkerSymbol.size方法的典型用法代码示例。如果您正苦于以下问题：Python QgsMarkerSymbol.size方法的具体用法？Python QgsMarkerSymbol.size怎么用？Python QgsMarkerSymbol.size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.QgsMarkerSymbol的用法示例。
在下文中一共展示了QgsMarkerSymbol.size方法的2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: testSize
# 需要导入模块: from qgis.core import QgsMarkerSymbol [as 别名]
# 或者: from qgis.core.QgsMarkerSymbol import size [as 别名]
def testSize(self):
# test size and setSize
# create a marker symbol with a single layer
markerSymbol = QgsMarkerSymbol()
markerSymbol.deleteSymbolLayer(0)
markerSymbol.appendSymbolLayer(
QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayerBase.Star, color=QColor(255, 0, 0),
strokeColor=QColor(0, 255, 0), size=10))
self.assertEqual(markerSymbol.size(), 10)
markerSymbol.setSize(20)
self.assertEqual(markerSymbol.size(), 20)
self.assertEqual(markerSymbol.symbolLayer(0).size(), 20)
# add additional layers
markerSymbol.appendSymbolLayer(
QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayerBase.Star, color=QColor(255, 0, 0),
strokeColor=QColor(0, 255, 0), size=10))
markerSymbol.appendSymbolLayer(
QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayerBase.Star, color=QColor(255, 0, 0),
strokeColor=QColor(0, 255, 0), size=30))
self.assertEqual(markerSymbol.size(), 30)
markerSymbol.setSize(3)
self.assertEqual(markerSymbol.size(), 3)
# layer sizes should maintain relative size
self.assertEqual(markerSymbol.symbolLayer(0).size(), 2)
self.assertEqual(markerSymbol.symbolLayer(1).size(), 1)
self.assertEqual(markerSymbol.symbolLayer(2).size(), 3)示例2: testSize
# 需要导入模块: from qgis.core import QgsMarkerSymbol [as 别名]
# 或者: from qgis.core.QgsMarkerSymbol import size [as 别名]
def testSize(self):
# test size and setSize
ms = QgsMapSettings()
extent = QgsRectangle(100, 200, 100, 200)
ms.setExtent(extent)
ms.setOutputSize(QSize(400, 400))
context = QgsRenderContext.fromMapSettings(ms)
context.setScaleFactor(96 / 25.4) # 96 DPI
ms.setExtent(QgsRectangle(100, 150, 100, 150))
ms.setOutputDpi(ms.outputDpi() * 2)
context2 = QgsRenderContext.fromMapSettings(ms)
context2.setScaleFactor(300 / 25.4)
# create a marker symbol with a single layer
markerSymbol = QgsMarkerSymbol()
markerSymbol.deleteSymbolLayer(0)
markerSymbol.appendSymbolLayer(
QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayerBase.Star, color=QColor(255, 0, 0),
strokeColor=QColor(0, 255, 0), size=10))
self.assertEqual(markerSymbol.size(), 10)
self.assertAlmostEqual(markerSymbol.size(context), 37.795275590551185, 3)
self.assertAlmostEqual(markerSymbol.size(context2), 118.11023622047244, 3)
markerSymbol.setSize(20)
self.assertEqual(markerSymbol.size(), 20)
self.assertEqual(markerSymbol.symbolLayer(0).size(), 20)
self.assertAlmostEqual(markerSymbol.size(context), 75.59055118, 3)
self.assertAlmostEqual(markerSymbol.size(context2), 236.2204724409449, 3)
# add additional layers
markerSymbol.appendSymbolLayer(
QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayerBase.Star, color=QColor(255, 0, 0),
strokeColor=QColor(0, 255, 0), size=10))
markerSymbol.appendSymbolLayer(
QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayerBase.Star, color=QColor(255, 0, 0),
strokeColor=QColor(0, 255, 0), size=30))
self.assertEqual(markerSymbol.size(), 30)
self.assertAlmostEqual(markerSymbol.size(context), 113.38582677165356, 3)
self.assertAlmostEqual(markerSymbol.size(context2), 354.33070866141736, 3)
markerSymbol.setSize(3)
self.assertEqual(markerSymbol.size(), 3)
# layer sizes should maintain relative size
self.assertEqual(markerSymbol.symbolLayer(0).size(), 2)
self.assertEqual(markerSymbol.symbolLayer(1).size(), 1)
self.assertEqual(markerSymbol.symbolLayer(2).size(), 3)
# symbol layer in different size
markerSymbol.symbolLayer(1).setSize(15)
self.assertAlmostEqual(markerSymbol.size(context), 56.69291338582678, 3)
self.assertAlmostEqual(markerSymbol.size(context2), 177.16535433070868, 3)
markerSymbol.symbolLayer(1).setSizeUnit(QgsUnitTypes.RenderPixels)
self.assertAlmostEqual(markerSymbol.size(context), 15, 3)
self.assertAlmostEqual(markerSymbol.size(context2), 35.43307086614173, 3)
markerSymbol.symbolLayer(1).setSize(45)
self.assertAlmostEqual(markerSymbol.size(context), 45, 3)
self.assertAlmostEqual(markerSymbol.size(context2), 45, 3)