本文整理汇总了Python中qgis.core.QgsGeometryGeneratorSymbolLayer类的典型用法代码示例。如果您正苦于以下问题:Python QgsGeometryGeneratorSymbolLayer类的具体用法?Python QgsGeometryGeneratorSymbolLayer怎么用?Python QgsGeometryGeneratorSymbolLayer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QgsGeometryGeneratorSymbolLayer类的5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,您的评价将有助于我们的系统推荐出更棒的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($geometry)'})
sym_layer.setSymbolType(QgsSymbol.Line)
s.appendSymbolLayer(sym_layer)
marker_line = QgsMarkerLineSymbolLayer(False)
marker_line.setPlacement(QgsMarkerLineSymbolLayer.FirstVertex)
f = QgsFontUtils.getStandardTestFont('Bold', 24)
marker = QgsFontMarkerSymbolLayer(f.family(), 'x', 24, QColor(255, 255, 0))
marker.setDataDefinedProperty(QgsSymbolLayer.PropertyCharacter, QgsProperty.fromExpression('@geometry_part_num'))
marker_symbol = QgsMarkerSymbol()
marker_symbol.changeSymbolLayer(0, marker)
marker_line.setSubSymbol(marker_symbol)
marker_line.setAverageAngleLength(0)
line_symbol = QgsLineSymbol()
line_symbol.changeSymbolLayer(0, marker_line)
sym_layer.setSubSymbol(line_symbol)
# rendering test
g = QgsGeometry.fromWkt('LineString(0 0, 10 0, 10 10, 0 10)')
rendered_image = self.renderGeometry(s, g, buffer=4)
assert self.imageCheck('part_num_variable', 'part_num_variable', rendered_image)
marker.setDataDefinedProperty(QgsSymbolLayer.PropertyCharacter,
QgsProperty.fromExpression('@geometry_part_count'))
# rendering test
g = QgsGeometry.fromWkt('LineString(0 0, 10 0, 10 10, 0 10)')
rendered_image = self.renderGeometry(s, g, buffer=4)
assert self.imageCheck('part_count_variable', 'part_count_variable', rendered_image)
开发者ID:manisandro,项目名称:QGIS,代码行数:34,代码来源:test_qgsmarkerlinesymbollayer.py
示例2: test_mixed
def test_mixed(self):
sym = self.polys_layer.renderer().symbol()
buffer_layer = QgsGeometryGeneratorSymbolLayer.create({'geometryModifier': 'buffer($geometry, "value"/15)'})
buffer_layer.setSymbolType(QgsSymbol.Fill)
self.assertIsNotNone(buffer_layer.subSymbol())
sym.appendSymbolLayer(buffer_layer)
marker_layer = QgsGeometryGeneratorSymbolLayer.create({'geometryModifier': 'centroid($geometry)'})
marker_layer.setSymbolType(QgsSymbol.Marker)
sym.appendSymbolLayer(marker_layer)
rendered_layers = [self.polys_layer]
self.mapsettings.setLayers(rendered_layers)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(self.mapsettings)
renderchecker.setControlName('expected_geometrygenerator_mixed')
self.assertTrue(renderchecker.runTest('geometrygenerator_mixed'))
开发者ID:medspx,项目名称:QGIS,代码行数:18,代码来源:test_qgsgeometrygeneratorsymbollayer.py
示例3: test_marker
def test_marker(self):
sym = self.polys_layer.renderer().symbol()
sym_layer = QgsGeometryGeneratorSymbolLayer.create({'geometryModifier': 'centroid($geometry)'})
sym_layer.setSymbolType(QgsSymbol.Marker)
sym.changeSymbolLayer(0, sym_layer)
rendered_layers = [self.polys_layer]
self.mapsettings.setLayers(rendered_layers)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(self.mapsettings)
renderchecker.setControlName('expected_geometrygenerator_marker')
self.assertTrue(renderchecker.runTest('geometrygenerator_marker'))
开发者ID:medspx,项目名称:QGIS,代码行数:13,代码来源:test_qgsgeometrygeneratorsymbollayer.py
示例4: test_buffer_points
def test_buffer_points(self):
sym = self.points_layer.renderer().symbol()
buffer_layer = QgsGeometryGeneratorSymbolLayer.create({'geometryModifier': 'buffer($geometry, "staff"/15)', 'outline_color': 'black'})
buffer_layer.setSymbolType(QgsSymbol.Fill)
self.assertIsNotNone(buffer_layer.subSymbol())
sym.appendSymbolLayer(buffer_layer)
rendered_layers = [self.points_layer]
self.mapsettings.setLayers(rendered_layers)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(self.mapsettings)
renderchecker.setControlName('expected_geometrygenerator_buffer_points')
self.assertTrue(renderchecker.runTest('geometrygenerator_buffer_points'))
开发者ID:Cracert,项目名称:Quantum-GIS,代码行数:15,代码来源:test_qgsgeometrygeneratorsymbollayer.py
示例5: test_buffer_lines
def test_buffer_lines(self):
sym = self.lines_layer.renderer().symbol()
buffer_layer = QgsGeometryGeneratorSymbolLayer.create({"geometryModifier": 'buffer($geometry, "value"/15)'})
buffer_layer.setSymbolType(QgsSymbol.Fill)
self.assertIsNotNone(buffer_layer.subSymbol())
sym.appendSymbolLayer(buffer_layer)
rendered_layers = [self.lines_layer.id()]
self.mapsettings.setLayers(rendered_layers)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(self.mapsettings)
renderchecker.setControlName("expected_geometrygenerator_buffer_lines")
self.assertTrue(renderchecker.runTest("geometrygenerator_buffer_lines"))
开发者ID:mbernasocchi,项目名称:QGIS,代码行数:15,代码来源:test_qgsgeometrygeneratorsymbollayer.py
注:本文中的qgis.core.QgsGeometryGeneratorSymbolLayer类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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