本文整理汇总了Python中qgis.core.QgsFontMarkerSymbolLayer类的典型用法代码示例。如果您正苦于以下问题：Python QgsFontMarkerSymbolLayer类的具体用法？Python QgsFontMarkerSymbolLayer怎么用？Python QgsFontMarkerSymbolLayer使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了QgsFontMarkerSymbolLayer类的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: testPartNum
def testPartNum(self):
# test geometry_part_num variable
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
sym_layer = QgsGeometryGeneratorSymbolLayer.create({'geometryModifier': 'segments_to_lines($geometry)'})
sym_layer.setSymbolType(QgsSymbol.Line)
s.appendSymbolLayer(sym_layer)
marker_line = QgsMarkerLineSymbolLayer(False)
marker_line.setPlacement(QgsMarkerLineSymbolLayer.FirstVertex)
f = QgsFontUtils.getStandardTestFont('Bold', 24)
marker = QgsFontMarkerSymbolLayer(f.family(), 'x', 24, QColor(255, 255, 0))
marker.setDataDefinedProperty(QgsSymbolLayer.PropertyCharacter, QgsProperty.fromExpression('@geometry_part_num'))
marker_symbol = QgsMarkerSymbol()
marker_symbol.changeSymbolLayer(0, marker)
marker_line.setSubSymbol(marker_symbol)
marker_line.setAverageAngleLength(0)
line_symbol = QgsLineSymbol()
line_symbol.changeSymbolLayer(0, marker_line)
sym_layer.setSubSymbol(line_symbol)
# rendering test
g = QgsGeometry.fromWkt('LineString(0 0, 10 0, 10 10, 0 10)')
rendered_image = self.renderGeometry(s, g, buffer=4)
assert self.imageCheck('part_num_variable', 'part_num_variable', rendered_image)
marker.setDataDefinedProperty(QgsSymbolLayer.PropertyCharacter,
QgsProperty.fromExpression('@geometry_part_count'))
# rendering test
g = QgsGeometry.fromWkt('LineString(0 0, 10 0, 10 10, 0 10)')
rendered_image = self.renderGeometry(s, g, buffer=4)
assert self.imageCheck('part_count_variable', 'part_count_variable', rendered_image)示例2: testFontMarkerUnitDefault
def testFontMarkerUnitDefault(self):
symbol = QgsFontMarkerSymbolLayer('sans', ',', 10, QColor('black'), 45)
symbol.setOffset(QPointF(5, 10))
dom, root = self.symbolToSld(symbol)
# print("Font marker unit mm: " + dom.toString())
# Check the size has been rescaled
self.assertStaticSize(root, '36')
self.assertStaticRotation(root, '45')
self.assertStaticDisplacement(root, 18, 36)示例3: testFontMarkerUnitPixel
def testFontMarkerUnitPixel(self):
symbol = QgsFontMarkerSymbolLayer('sans', ',', 10, QColor('black'), 45)
symbol.setOffset(QPointF(5, 10))
symbol.setOutputUnit(QgsUnitTypes.RenderPixels)
dom, root = self.symbolToSld(symbol)
# print ("Font marker unit mm: " + dom.toString())
# Check the size has been rescaled
self.assertStaticSize(root, '10')
self.assertStaticRotation(root, '45')
self.assertStaticDisplacement(root, 5, 10)示例4: testQgsFontMarkerSymbolLayer
def testQgsFontMarkerSymbolLayer(self):
"""
Create a new style from a .sld file and match test
"""
mTestName = "QgsFontMarkerSymbolLayer"
mFilePath = QDir.toNativeSeparators("%s/symbol_layer/%s.sld" % (unitTestDataPath(), mTestName))
mDoc = QDomDocument(mTestName)
mFile = QFile(mFilePath)
mFile.open(QIODevice.ReadOnly)
mDoc.setContent(mFile, True)
mFile.close()
mSymbolLayer = QgsFontMarkerSymbolLayer.createFromSld(
mDoc.elementsByTagName("PointSymbolizer").item(0).toElement()
)
mExpectedValue = type(QgsFontMarkerSymbolLayer())
mValue = type(mSymbolLayer)
mMessage = 'Expected "%s" got "%s"' % (mExpectedValue, mValue)
assert mExpectedValue == mValue, mMessage
mExpectedValue = "Arial"
mValue = mSymbolLayer.fontFamily()
mMessage = 'Expected "%s" got "%s"' % (mExpectedValue, mValue)
assert mExpectedValue == mValue, mMessage
mExpectedValue = "M"
mValue = mSymbolLayer.character()
mMessage = 'Expected "%s" got "%s"' % (mExpectedValue, mValue)
assert mExpectedValue == mValue, mMessage
mExpectedValue = 6.23
mValue = mSymbolLayer.size()
mMessage = 'Expected "%s" got "%s"' % (mExpectedValue, mValue)
assert mExpectedValue == mValue, mMessage
mExpectedValue = 3
mValue = mSymbolLayer.angle()
mMessage = 'Expected "%s" got "%s"' % (mExpectedValue, mValue)
assert mExpectedValue == mValue, mMessage