Python core.QgsLineSymbol类代码示例

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本文整理汇总了Python中qgis.core.QgsLineSymbol类的典型用法代码示例。如果您正苦于以下问题：Python QgsLineSymbol类的具体用法？Python QgsLineSymbol怎么用？Python QgsLineSymbol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QgsLineSymbol类的20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: testRenderLineLayerDataDefined

    def testRenderLineLayerDataDefined(self):
        """ test that rendering a line symbol with data defined enabled layer works"""

        lines_shp = os.path.join(TEST_DATA_DIR, 'lines.shp')
        lines_layer = QgsVectorLayer(lines_shp, 'Lines', 'ogr')
        QgsProject.instance().addMapLayer(lines_layer)

        layer = QgsSimpleLineSymbolLayer()
        layer.setDataDefinedProperty(QgsSymbolLayer.PropertyLayerEnabled, QgsProperty.fromExpression("Name='Highway'"))
        layer.setColor(QColor(100, 150, 150))
        layer.setWidth(5)

        symbol = QgsLineSymbol()
        symbol.changeSymbolLayer(0, layer)
        lines_layer.setRenderer(QgsSingleSymbolRenderer(symbol))

        ms = QgsMapSettings()
        ms.setOutputSize(QSize(400, 400))
        ms.setOutputDpi(96)
        ms.setExtent(QgsRectangle(-133, 22, -70, 52))
        ms.setLayers([lines_layer])

        renderchecker = QgsMultiRenderChecker()
        renderchecker.setMapSettings(ms)
        renderchecker.setControlPathPrefix('symbol_layer')
        renderchecker.setControlName('expected_linelayer_ddenabled')
        self.assertTrue(renderchecker.runTest('linelayer_ddenabled'))
        QgsProject.instance().removeMapLayer(lines_layer)

开发者ID:mj10777，项目名称:QGIS，代码行数:28，代码来源:test_qgssymbollayer.py

示例2: testWidth

    def testWidth(self):
        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)

        s = QgsFillSymbol()
        s.deleteSymbolLayer(0)

        hash_line = QgsHashedLineSymbolLayer(True)
        hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.FirstVertex)
        simple_line = QgsSimpleLineSymbolLayer()
        line_symbol = QgsLineSymbol()
        line_symbol.changeSymbolLayer(0, simple_line)
        hash_line.setSubSymbol(line_symbol)
        hash_line.setHashLength(10)

        self.assertEqual(hash_line.width(), 10)
        self.assertAlmostEqual(hash_line.width(context), 37.795275590551185, 3)
        self.assertAlmostEqual(hash_line.width(context2), 118.11023622047244, 3)

        hash_line.setHashLengthUnit(QgsUnitTypes.RenderPixels)
        self.assertAlmostEqual(hash_line.width(context), 10.0, 3)
        self.assertAlmostEqual(hash_line.width(context2), 10.0, 3)

开发者ID:boundlessgeo，项目名称:QGIS，代码行数:30，代码来源:test_qgshashlinesymbollayer.py

示例3: testHashAngle

    def testHashAngle(self):
        s = QgsLineSymbol()
        s.deleteSymbolLayer(0)

        hash_line = QgsHashedLineSymbolLayer(True)
        hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval)
        hash_line.setInterval(6)
        simple_line = QgsSimpleLineSymbolLayer()
        simple_line.setColor(QColor(0, 255, 0))
        simple_line.setWidth(1)
        line_symbol = QgsLineSymbol()
        line_symbol.changeSymbolLayer(0, simple_line)
        hash_line.setSubSymbol(line_symbol)
        hash_line.setHashLength(7)
        hash_line.setHashAngle(45)
        hash_line.setAverageAngleLength(0)

        s.appendSymbolLayer(hash_line.clone())

        g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
        rendered_image = self.renderGeometry(s, g)
        assert self.imageCheck('line_hash_angle', 'line_hash_angle', rendered_image)

        s.symbolLayer(0).setRotateSymbols(False)

        g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
        rendered_image = self.renderGeometry(s, g)
        assert self.imageCheck('line_hash_no_rotate', 'line_hash_no_rotate', rendered_image)

开发者ID:boundlessgeo，项目名称:QGIS，代码行数:28，代码来源:test_qgshashlinesymbollayer.py

示例4: testRenderLineLayerDisabled

    def testRenderLineLayerDisabled(self):
        """ test that rendering a line symbol with disabled layer works"""
        layer = QgsSimpleLineSymbolLayer()
        layer.setEnabled(False)

        symbol = QgsLineSymbol()
        symbol.changeSymbolLayer(0, layer)

        image = QImage(200, 200, QImage.Format_RGB32)
        painter = QPainter()
        ms = QgsMapSettings()

        geom = QgsGeometry.fromWkt('LineString (0 0,3 4,4 3)')
        f = QgsFeature()
        f.setGeometry(geom)

        extent = geom.constGet().boundingBox()
        # buffer extent by 10%
        extent = extent.buffered((extent.height() + extent.width()) / 20.0)

        ms.setExtent(extent)
        ms.setOutputSize(image.size())
        context = QgsRenderContext.fromMapSettings(ms)
        context.setPainter(painter)
        context.setScaleFactor(96 / 25.4)  # 96 DPI

        painter.begin(image)
        image.fill(QColor(255, 255, 255))

        symbol.startRender(context)
        symbol.renderFeature(f, context)
        symbol.stopRender(context)
        painter.end()

        self.assertTrue(self.imageCheck('symbol_layer', 'symbollayer_disabled', image))

开发者ID:mj10777，项目名称:QGIS，代码行数:35，代码来源:test_qgssymbollayer.py

示例5: 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6: setUp

    def setUp(self):
        self.iface = get_iface()

        polys_shp = os.path.join(TEST_DATA_DIR, 'polys.shp')
        points_shp = os.path.join(TEST_DATA_DIR, 'points.shp')
        lines_shp = os.path.join(TEST_DATA_DIR, 'lines.shp')
        self.polys_layer = QgsVectorLayer(polys_shp, 'Polygons', 'ogr')
        self.points_layer = QgsVectorLayer(points_shp, 'Points', 'ogr')
        self.lines_layer = QgsVectorLayer(lines_shp, 'Lines', 'ogr')
        QgsProject.instance().addMapLayer(self.polys_layer)
        QgsProject.instance().addMapLayer(self.lines_layer)
        QgsProject.instance().addMapLayer(self.points_layer)

        # Create style
        sym1 = QgsFillSymbol.createSimple({'color': '#fdbf6f', 'outline_color': 'black'})
        sym2 = QgsLineSymbol.createSimple({'color': '#fdbf6f'})
        sym3 = QgsMarkerSymbol.createSimple({'color': '#fdbf6f', 'outline_color': 'black'})

        self.polys_layer.setRenderer(QgsSingleSymbolRenderer(sym1))
        self.lines_layer.setRenderer(QgsSingleSymbolRenderer(sym2))
        self.points_layer.setRenderer(QgsSingleSymbolRenderer(sym3))

        self.mapsettings = self.iface.mapCanvas().mapSettings()
        self.mapsettings.setOutputSize(QSize(400, 400))
        self.mapsettings.setOutputDpi(96)
        self.mapsettings.setExtent(QgsRectangle(-133, 22, -70, 52))

开发者ID:Cracert，项目名称:Quantum-GIS，代码行数:26，代码来源:test_qgsgeometrygeneratorsymbollayer.py

示例7: setUp

    def setUp(self):
        self.iface = get_iface()

        polys_shp = os.path.join(TEST_DATA_DIR, "polys.shp")
        points_shp = os.path.join(TEST_DATA_DIR, "points.shp")
        lines_shp = os.path.join(TEST_DATA_DIR, "lines.shp")
        self.polys_layer = QgsVectorLayer(polys_shp, "Polygons", "ogr")
        self.points_layer = QgsVectorLayer(points_shp, "Points", "ogr")
        self.lines_layer = QgsVectorLayer(lines_shp, "Lines", "ogr")
        QgsMapLayerRegistry.instance().addMapLayer(self.polys_layer)
        QgsMapLayerRegistry.instance().addMapLayer(self.lines_layer)
        QgsMapLayerRegistry.instance().addMapLayer(self.points_layer)

        # Create style
        sym1 = QgsFillSymbol.createSimple({"color": "#fdbf6f"})
        sym2 = QgsLineSymbol.createSimple({"color": "#fdbf6f"})
        sym3 = QgsMarkerSymbol.createSimple({"color": "#fdbf6f"})

        self.polys_layer.setRenderer(QgsSingleSymbolRenderer(sym1))
        self.lines_layer.setRenderer(QgsSingleSymbolRenderer(sym2))
        self.points_layer.setRenderer(QgsSingleSymbolRenderer(sym3))

        self.mapsettings = self.iface.mapCanvas().mapSettings()
        self.mapsettings.setOutputSize(QSize(400, 400))
        self.mapsettings.setOutputDpi(96)
        self.mapsettings.setExtent(QgsRectangle(-133, 22, -70, 52))

开发者ID:mbernasocchi，项目名称:QGIS，代码行数:26，代码来源:test_qgsgeometrygeneratorsymbollayer.py

示例8: init

    def __init__(self, methodName):
        """Run once on class initialization."""
        unittest.TestCase.__init__(self, methodName)

        # create composition
        self.layout = QgsLayout(QgsProject.instance())
        self.layout.initializeDefaults()

        # create
        polygon = QPolygonF()
        polygon.append(QPointF(0.0, 0.0))
        polygon.append(QPointF(100.0, 0.0))
        polygon.append(QPointF(200.0, 100.0))
        polygon.append(QPointF(100.0, 200.0))

        self.polyline = QgsLayoutItemPolyline(
            polygon, self.layout)
        self.layout.addLayoutItem(self.polyline)

        # style
        props = {}
        props["color"] = "0,0,0,255"
        props["width"] = "10.0"
        props["capstyle"] = "square"

        style = QgsLineSymbol.createSimple(props)
        self.polyline.setSymbol(style)

开发者ID:dmarteau，项目名称:QGIS，代码行数:27，代码来源:test_qgslayoutpolyline.py

示例9: testBounds

    def testBounds(self):
        pr = QgsProject()
        l = QgsLayout(pr)

        p = QPolygonF()
        p.append(QPointF(50.0, 30.0))
        p.append(QPointF(100.0, 10.0))
        p.append(QPointF(200.0, 100.0))
        shape = QgsLayoutItemPolyline(p, l)

        props = {}
        props["color"] = "255,0,0,255"
        props["width"] = "6.0"
        props["capstyle"] = "square"

        style = QgsLineSymbol.createSimple(props)
        shape.setSymbol(style)

        # scene bounding rect should include symbol outline
        bounds = shape.sceneBoundingRect()
        self.assertEqual(bounds.left(), 47.0)
        self.assertEqual(bounds.right(), 203.0)
        self.assertEqual(bounds.top(), 7.0)
        self.assertEqual(bounds.bottom(), 103.0)

        # rectWithFrame should include symbol outline too
        bounds = shape.rectWithFrame()
        self.assertEqual(bounds.left(), -3.0)
        self.assertEqual(bounds.right(), 153.0)
        self.assertEqual(bounds.top(), -3.0)
        self.assertEqual(bounds.bottom(), 93.0)

开发者ID:dmarteau，项目名称:QGIS，代码行数:31，代码来源:test_qgslayoutpolyline.py

示例10: testReadWriteXml

    def testReadWriteXml(self):
        pr = QgsProject()
        l = QgsLayout(pr)

        p = QPolygonF()
        p.append(QPointF(0.0, 0.0))
        p.append(QPointF(100.0, 0.0))
        p.append(QPointF(200.0, 100.0))
        shape = QgsLayoutItemPolyline(p, l)

        props = {}
        props["color"] = "255,0,0,255"
        props["width"] = "10.0"
        props["capstyle"] = "square"

        style = QgsLineSymbol.createSimple(props)
        shape.setSymbol(style)

        #save original item to xml
        doc = QDomDocument("testdoc")
        elem = doc.createElement("test")
        self.assertTrue(shape.writeXml(elem, doc, QgsReadWriteContext()))

        shape2 = QgsLayoutItemPolyline(l)
        self.assertTrue(shape2.readXml(elem.firstChildElement(), doc, QgsReadWriteContext()))

        self.assertEqual(shape2.nodes(), shape.nodes())
        self.assertEqual(shape2.symbol().symbolLayer(0).color().name(), '#ff0000')

开发者ID:dmarteau，项目名称:QGIS，代码行数:28，代码来源:test_qgslayoutpolyline.py

示例11: testRingFilter

    def testRingFilter(self):
        # test filtering rings during rendering
        s = QgsFillSymbol()
        s.deleteSymbolLayer(0)

        hash_line = QgsHashedLineSymbolLayer(True)
        hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval)
        hash_line.setInterval(6)
        simple_line = QgsSimpleLineSymbolLayer()
        simple_line.setColor(QColor(0, 255, 0))
        simple_line.setWidth(1)
        line_symbol = QgsLineSymbol()
        line_symbol.changeSymbolLayer(0, simple_line)
        hash_line.setSubSymbol(line_symbol)
        hash_line.setHashLength(10)
        hash_line.setAverageAngleLength(0)

        s.appendSymbolLayer(hash_line.clone())
        self.assertEqual(s.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.AllRings)
        s.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly)
        self.assertEqual(s.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly)

        s2 = s.clone()
        self.assertEqual(s2.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly)

        doc = QDomDocument()
        context = QgsReadWriteContext()
        element = QgsSymbolLayerUtils.saveSymbol('test', s, doc, context)

        s2 = QgsSymbolLayerUtils.loadSymbol(element, context)
        self.assertEqual(s2.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly)

        # rendering test
        s3 = QgsFillSymbol()
        s3.deleteSymbolLayer(0)
        s3.appendSymbolLayer(
            hash_line.clone())
        s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly)

        g = QgsGeometry.fromWkt('Polygon((0 0, 10 0, 10 10, 0 10, 0 0),(1 1, 1 2, 2 2, 2 1, 1 1),(8 8, 9 8, 9 9, 8 9, 8 8))')
        rendered_image = self.renderGeometry(s3, g)
        assert self.imageCheck('hashline_exterioronly', 'hashline_exterioronly', rendered_image)

        s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.InteriorRingsOnly)
        g = QgsGeometry.fromWkt('Polygon((0 0, 10 0, 10 10, 0 10, 0 0),(1 1, 1 2, 2 2, 2 1, 1 1),(8 8, 9 8, 9 9, 8 9, 8 8))')
        rendered_image = self.renderGeometry(s3, g)
        assert self.imageCheck('hashline_interioronly', 'hashline_interioronly', rendered_image)

开发者ID:boundlessgeo，项目名称:QGIS，代码行数:47，代码来源:test_qgshashlinesymbollayer.py

示例12: testPointNumInterval

    def testPointNumInterval(self):
        s = QgsLineSymbol()
        s.deleteSymbolLayer(0)

        hash_line = QgsHashedLineSymbolLayer(True)
        hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval)
        hash_line.setInterval(6)
        simple_line = QgsSimpleLineSymbolLayer()
        simple_line.setColor(QColor(0, 255, 0))
        simple_line.setWidth(1)
        line_symbol = QgsLineSymbol()
        line_symbol.changeSymbolLayer(0, simple_line)
        hash_line.setSubSymbol(line_symbol)
        hash_line.setHashLength(10)
        hash_line.setAverageAngleLength(0)

        s.appendSymbolLayer(hash_line.clone())

        s.symbolLayer(0).setDataDefinedProperty(QgsSymbolLayer.PropertyLineDistance, QgsProperty.fromExpression(
            "@geometry_point_num * 2"))

        g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
        rendered_image = self.renderGeometry(s, g)
        assert self.imageCheck('line_dd_size', 'line_dd_size', rendered_image)

开发者ID:boundlessgeo，项目名称:QGIS，代码行数:24，代码来源:test_qgshashlinesymbollayer.py

示例13: testSimpleLineWithCustomDashPattern

    def testSimpleLineWithCustomDashPattern(self):
        """ test that rendering a simple line symbol with custom dash pattern"""
        layer = QgsSimpleLineSymbolLayer(QColor(0, 0, 0))
        layer.setWidth(0.5)
        layer.setCustomDashVector([2, 5])
        layer.setUseCustomDashPattern(True)

        symbol = QgsLineSymbol()
        symbol.changeSymbolLayer(0, layer)

        image = QImage(200, 200, QImage.Format_RGB32)
        painter = QPainter()
        ms = QgsMapSettings()

        geom = QgsGeometry.fromWkt('LineString (0 0, 10 0, 10 10, 0 10, 0 0)')
        f = QgsFeature()
        f.setGeometry(geom)

        extent = geom.constGet().boundingBox()
        # buffer extent by 10%
        extent = extent.buffered((extent.height() + extent.width()) / 20.0)

        ms.setExtent(extent)
        ms.setOutputSize(image.size())
        context = QgsRenderContext.fromMapSettings(ms)
        context.setPainter(painter)
        context.setScaleFactor(96 / 25.4)  # 96 DPI

        painter.begin(image)
        image.fill(QColor(255, 255, 255))

        symbol.startRender(context)
        symbol.renderFeature(f, context)
        symbol.stopRender(context)
        painter.end()

        self.assertTrue(self.imageCheck('symbol_layer_simpleline_customdashpattern', 'simpleline_customdashpattern', image))

开发者ID:m-kuhn，项目名称:QGIS，代码行数:37，代码来源:test_qgslinesymbollayers.py

示例14: testMarkerAverageAngleCenter

    def testMarkerAverageAngleCenter(self):
        s = QgsLineSymbol()
        s.deleteSymbolLayer(0)

        marker_line = QgsMarkerLineSymbolLayer(True)
        marker_line.setPlacement(QgsTemplatedLineSymbolLayerBase.CentralPoint)
        marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 4)
        marker.setColor(QColor(255, 0, 0))
        marker.setStrokeStyle(Qt.NoPen)
        marker_symbol = QgsMarkerSymbol()
        marker_symbol.changeSymbolLayer(0, marker)
        marker_line.setSubSymbol(marker_symbol)
        marker_line.setAverageAngleLength(60)
        line_symbol = QgsLineSymbol()
        line_symbol.changeSymbolLayer(0, marker_line)

        s.appendSymbolLayer(marker_line.clone())

        g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
        rendered_image = self.renderGeometry(s, g)
        assert self.imageCheck('markerline_center_average_angle', 'markerline_center_average_angle', rendered_image)

开发者ID:manisandro，项目名称:QGIS，代码行数:21，代码来源:test_qgsmarkerlinesymbollayer.py

示例15: testNoPoint

    def testNoPoint(self):
        s = QgsLineSymbol()
        s.deleteSymbolLayer(0)

        marker_line = QgsMarkerLineSymbolLayer(True)
        marker_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval)
        marker_line.setOffsetAlongLine(1000)
        marker_line.setIntervalUnit(QgsUnitTypes.RenderMapUnits)
        marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Circle, 4)
        marker.setColor(QColor(255, 0, 0, 100))
        marker.setStrokeStyle(Qt.NoPen)
        marker_symbol = QgsMarkerSymbol()
        marker_symbol.changeSymbolLayer(0, marker)
        marker_line.setSubSymbol(marker_symbol)
        line_symbol = QgsLineSymbol()
        line_symbol.changeSymbolLayer(0, marker_line)

        s.appendSymbolLayer(marker_line.clone())

        g = QgsGeometry.fromWkt('LineString(0 0, 0 10, 10 10)')
        rendered_image = self.renderGeometry(s, g)
        assert self.imageCheck('markerline_none', 'markerline_none', rendered_image)

开发者ID:manisandro，项目名称:QGIS，代码行数:22，代码来源:test_qgsmarkerlinesymbollayer.py

示例16: testVerticalLine

    def testVerticalLine(self):
        pr = QgsProject()
        l = QgsLayout(pr)
        l.initializeDefaults()

        p = QPolygonF()
        p.append(QPointF(100.0, 50.0))
        p.append(QPointF(100.0, 100.0))
        shape = QgsLayoutItemPolyline(p, l)
        l.addLayoutItem(shape)

        props = {}
        props["color"] = "0,0,0,255"
        props["width"] = "10.0"
        props["capstyle"] = "square"

        style = QgsLineSymbol.createSimple(props)
        shape.setSymbol(style)

        checker = QgsLayoutChecker(
            'composerpolyline_vertline', l)
        checker.setControlPathPrefix("composer_polyline")
        myTestResult, myMessage = checker.testLayout()
        assert myTestResult, myMessage

开发者ID:dmarteau，项目名称:QGIS，代码行数:24，代码来源:test_qgslayoutpolyline.py

示例17: setUp

 def setUp(self):
     #Create some simple symbols
     self.fill_symbol = QgsFillSymbol.createSimple({'color': '#ffffff'})
     self.line_symbol = QgsLineSymbol.createSimple({'color': '#ffffff', 'line_width': '3'})
     self.marker_symbol = QgsMarkerSymbol.createSimple({'color': '#ffffff', 'size': '3'})
     self.report = "<h1>Python QgsSymbol Tests</h1>\n"

开发者ID:medspx，项目名称:QGIS，代码行数:6，代码来源:test_qgssymbol.py

示例18: createLineSymbol

def createLineSymbol():
    symbol = QgsLineSymbol.createSimple({
        "color": "100,150,50"
    })
    return symbol

开发者ID:pblottiere，项目名称:QGIS，代码行数:5，代码来源:test_qgsstylemodel.py

示例19: testWidth

    def testWidth(self):
        # test width and setWidth
        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 line symbol with a single layer
        line_symbol = QgsLineSymbol()
        line_symbol.deleteSymbolLayer(0)
        line_symbol.appendSymbolLayer(
            QgsSimpleLineSymbolLayer(color=QColor(255, 0, 0), width=10))
        self.assertEqual(line_symbol.width(), 10)
        self.assertAlmostEqual(line_symbol.width(context), 37.795275590551185, 3)
        self.assertAlmostEqual(line_symbol.width(context2), 118.11023622047244, 3)
        line_symbol.setWidth(20)
        self.assertEqual(line_symbol.width(), 20)
        self.assertEqual(line_symbol.symbolLayer(0).width(), 20)
        self.assertAlmostEqual(line_symbol.width(context), 75.59055118, 3)
        self.assertAlmostEqual(line_symbol.width(context2), 236.2204724409449, 3)

        # add additional layers
        line_symbol.appendSymbolLayer(
            QgsSimpleLineSymbolLayer(color=QColor(255, 0, 0), width=10))
        line_symbol.appendSymbolLayer(
            QgsSimpleLineSymbolLayer(color=QColor(255, 0, 0), width=30))
        self.assertEqual(line_symbol.width(), 30)
        self.assertAlmostEqual(line_symbol.width(context), 113.38582677165356, 3)
        self.assertAlmostEqual(line_symbol.width(context2), 354.33070866141736, 3)

        line_symbol.setWidth(3)
        self.assertEqual(line_symbol.width(), 3)
        # layer widths should maintain relative size
        self.assertEqual(line_symbol.symbolLayer(0).width(), 2)
        self.assertEqual(line_symbol.symbolLayer(1).width(), 1)
        self.assertEqual(line_symbol.symbolLayer(2).width(), 3)

        # symbol layer in different size
        line_symbol.symbolLayer(1).setWidth(15)
        self.assertAlmostEqual(line_symbol.width(context), 56.69291338582678, 3)
        self.assertAlmostEqual(line_symbol.width(context2), 177.16535433070868, 3)
        line_symbol.symbolLayer(1).setWidthUnit(QgsUnitTypes.RenderPixels)
        self.assertAlmostEqual(line_symbol.width(context), 15, 3)
        self.assertAlmostEqual(line_symbol.width(context2), 35.43307086614173, 3)
        line_symbol.symbolLayer(1).setWidth(45)
        self.assertAlmostEqual(line_symbol.width(context), 45, 3)
        self.assertAlmostEqual(line_symbol.width(context2), 45, 3)

开发者ID:yoichigmf，项目名称:QGIS，代码行数:53，代码来源:test_qgssymbol.py

示例20: testReprojectionErrorsWhileRendering


#.........这里部分代码省略.........
              '15.91895592500009116 43.62872955900012073, 15.96631920700011165 43.64118073100003414, ' \
              '15.90479576900014536 43.64801666900014254, 15.95297285200010151 43.65086497599999404, ' \
              '15.95045006600008719 43.68854401200015047, 15.70630944100008719 43.76341380400005221, ' \
              '15.6174422540000819 43.82550690300017493, 15.66309655000009116 43.81297435099999404, ' \
              '15.67888431100004709 43.81928131700011875, 15.45508873800014271 43.92804596600014122, ' \
              '15.14454186300011429 44.19546133000015686, 15.15219160200012993 44.23529694200014717, ' \
              '15.11036217500011958 44.26434967700011214, 15.14063561300011429 44.28245677300013483, ' \
              '15.17660566500009622 44.24994538000005662, 15.20777428500008455 44.27277252800014651, ' \
              '15.19809004000012465 44.30166250200007028, 15.295258009000122 44.25067780199999845, ' \
              '15.30274498800008587 44.29913971600016964, 15.26124108200011165 44.33258698100003414, ' \
              '15.42448978000001603 44.26797109600006763, 15.52865644600009887 44.27179596600008438, ' \
              '15.30795332100009887 44.35439687700007028, 15.00733483200014007 44.56972890800012976, ' \
              '14.883799675000148 44.7236188820001388, 14.883799675000148 44.86147695500012844, 14.92164147200008983 ' \
              '44.95880768400009231, 14.85279381600011561 45.09365469000000815, 14.65788821700004974 ' \
              '45.19660065300017493, 14.57081139400008851 45.29364655200011214, 14.31153405000009116 ' \
              '45.34398021000005485, 14.23259524800005238 45.14935944200000506, 14.17937259200007816 ' \
              '45.13450755400005221, 14.19312584700008983 45.10561758000012844, 14.14389082100007045 ' \
              '45.05939362200003018, 14.151377800000148 44.97748444200009033, 14.06885826900014536 ' \
              '44.94953034100014122, 14.08383222700007309 44.9863955750000315, 14.04029381600014403 ' \
              '45.03896719000015025, 14.0756942070000548 44.98371002800003282, 14.02051842500011958 ' \
              '44.90110911700004692, 13.97266686300011429 44.90110911700004692, 13.99301191500009622 ' \
              '44.88129303600014453, 13.97266686300011429 44.82664622599999404, 14.00001061300008587 ' \
              '44.81305573100003414, 13.89014733200011165 44.83348216400010244, 13.91797936300014271 ' \
              '44.77826569200009033, 13.90316816500009622 44.77240631700014717, 13.89698326900011693 ' \
              '44.81305573100003414, 13.78711998800014271 44.87506745000008834, 13.84229576900008851 ' \
              '44.88812897300006455, 13.79460696700010658 44.89496491100008768, 13.77409915500007287 ' \
              '44.96381256700014717, 13.6232202480000808 45.07306549700014386, 13.61255944100014403 ' \
              '45.11786530199999845, 13.72624759200004974 45.13450755400005221, 13.5959578790000819 ' \
              '45.14541250200001343, 13.57545006600011561 45.26487864800007799, 13.60271243600001867 ' \
              '45.28534577000012007, 13.57545006600011561 45.30646393400006389, 13.60954837300005238 ' \
              '45.32013580900017757, 13.54127037900013875 45.34613678600005926, 13.50709069100014403 ' \
              '45.51190827000000638, 13.62901778100007277 45.45898346000016943, 13.75929406800014476 ' \
              '45.46316925100011019, 13.88900191200011136 45.42363678000005223, 13.98263960800005634 ' \
              '45.47531321200001742, 13.97189091000012695 45.5142255660000643, 14.09291711400010172 ' \
              '45.47391794800002174, 14.21869755100007637 45.49717234400004884, 14.37279667100006009 ' \
              '45.47784535800009564, 14.4689148350000778 45.52559438100014688, 14.49857710800012001 ' \
              '45.59618438800005435, 14.58094934100009255 45.66780792200010808, 14.66848921700008646 ' \
              '45.53396596300005683, 14.79716353300005949 45.46518463200006011, 14.88160282300009385 ' \
              '45.46978383400001178, 14.9226339110000481 45.51494903600017494, 15.13926151500010064 ' \
              '45.43004465799999991, 15.32519331800011742 45.45283396399999276, 15.36136682100004691 ' \
              '45.48203114900003641, 15.29666792800006192 45.52295888300012905, 15.2685559480001416 ' \
              '45.60166208900012919, 15.37376916500011248 45.64021270800010655, 15.25501672300006817 ' \
              '45.72346344000011698, 15.42906294700014769 45.77529490200011253, 15.45128381300008868 ' \
              '45.81513743100013869, 15.67607629400006886 45.84169911700014666, 15.65943648300003588 ' \
              '45.88882802400014782, 15.69798710100010908 46.0362092080000167, 15.58988000500005455 ' \
              '46.11351715100001059, 15.62284956800010605 46.19170359400006021, 16.01920780400010358 ' \
              '46.29882883700007312, 16.05961877400008575 46.33231516600015709, 16.0579651280001201 ' \
              '46.37753204400003426, 16.2756262620000598 46.37316538500006402, 16.23490523300009158 ' \
              '46.4933389280001137, 16.36947066200013978 46.54057118800012915))) '
        geom = QgsGeometry.fromWkt(wkt)
        f = QgsFeature()
        f.setGeometry(geom)

        image = QImage(200, 200, QImage.Format_RGB32)

        painter = QPainter()
        ms = QgsMapSettings()
        crs = QgsCoordinateReferenceSystem.fromProj4('+proj=ortho +lat_0=36.5 +lon_0=-118.8 +x_0=0 +y_0=0 +a=6371000 +b=6371000 +units=m +no_defs')
        self.assertTrue(crs.isValid())
        ms.setDestinationCrs(crs)
        ms.setExtent(QgsRectangle(1374999.8, 3912610.7, 4724462.5, 6505499.6))
        ms.setOutputSize(image.size())
        context = QgsRenderContext.fromMapSettings(ms)
        context.setPainter(painter)
        context.setScaleFactor(96 / 25.4)  # 96 DPI
        ct = QgsCoordinateTransform(QgsCoordinateReferenceSystem('epsg:4326'),
                                    crs, QgsProject.instance())
        self.assertTrue(ct.isValid())
        context.setCoordinateTransform(ct)
        context.setExtent(ct.transformBoundingBox(ms.extent(), QgsCoordinateTransform.ReverseTransform))

        fill_symbol = QgsFillSymbol.createSimple({'color': '#ffffff', 'outline_color': '#ffffff', 'outline_width': '10'})

        painter.begin(image)
        try:
            image.fill(QColor(0, 0, 0))
            fill_symbol.startRender(context)
            fill_symbol.renderFeature(f, context)
            fill_symbol.stopRender(context)
        finally:
            painter.end()

        assert self.imageCheck('Reprojection errors polygon', 'reprojection_errors_polygon', image)

        #also test linestring
        linestring = QgsGeometry(geom.constGet().boundary())
        f.setGeometry(linestring)
        line_symbol = QgsLineSymbol.createSimple({'color': '#ffffff', 'outline_width': '10'})

        image = QImage(200, 200, QImage.Format_RGB32)
        painter.begin(image)
        try:
            image.fill(QColor(0, 0, 0))
            line_symbol.startRender(context)
            line_symbol.renderFeature(f, context)
            line_symbol.stopRender(context)
        finally:
            painter.end()

        assert self.imageCheck('Reprojection errors linestring', 'reprojection_errors_linestring', image)

开发者ID:elpaso，项目名称:QGIS，代码行数:101，代码来源:test_qgssymbol.py

注：本文中的qgis.core.QgsLineSymbol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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Python core.QgsLineSymbol类代码示例

示例1: testRenderLineLayerDataDefined

示例2: testWidth

示例3: testHashAngle

示例4: testRenderLineLayerDisabled

示例5: testPartNum

示例6: setUp

示例7: setUp

示例8: __init__

示例9: testBounds

示例10: testReadWriteXml

示例11: testRingFilter

示例12: testPointNumInterval

示例13: testSimpleLineWithCustomDashPattern

示例14: testMarkerAverageAngleCenter

示例15: testNoPoint

示例16: testVerticalLine

示例17: setUp

示例18: createLineSymbol

示例19: testWidth

示例20: testReprojectionErrorsWhileRendering

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