Python core.QgsMapSettings类代码示例

OGeek|极客世界-中国程序员成长平台 › 门户 › 编程› Python›Python编程经验

原作者: [db:作者] 来自: [db:来源] 收藏邀请

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

    def test_load_template(self):
        """Test load_template function."""
        self.mock_the_dialog(test_entire_mode=False)
        self.impact_merge_dialog.prepare_input()
        self.impact_merge_dialog.validate_all_layers()

        # Setup Map Settings and set all the layer
        # noinspection PyCallingNonCallable
        map_settings = QgsMapSettings()
        layer_set = [self.impact_merge_dialog.first_impact['layer'].id(),
                     self.impact_merge_dialog.second_impact['layer'].id()]

        # If aggregated, append chosen aggregation layer
        if not self.impact_merge_dialog.entire_area_mode:
            layer_set.append(
                self.impact_merge_dialog.aggregation['layer'].id())

        # Set layer set to map settings
        map_settings.setLayers(layer_set)

        # NORMAL CASE: It can find the template
        # Create composition
        composition = self.impact_merge_dialog.load_template(map_settings)
        # The type of this composition must be QgsComposition
        self.assertEqual(type(composition), QgsComposition)

        # FAIL CASE: The components missing in the template
        self.impact_merge_dialog.template_path = '/it/will/fail/tmp.qpt'
        with self.assertRaises(ReportCreationError):
            self.impact_merge_dialog.load_template(map_settings)

开发者ID:Charlotte-Morgan，项目名称:inasafe，代码行数:30，代码来源:test_impact_merge_dialog.py

示例3: createImageParams

    def createImageParams():
      def finished():
        def addParams():
          def getJsonImages():
            vmap = {}
            for l in self.paramProcess['layerImages']:
              vmap[ l.name() ] = l.source()
            return json.dumps( vmap )

          e =  self.paramProcess['canvas'].extent()
          imgWidth, imgHeight = image.width(), image.height()
          resX, resY = e.width() / imgWidth, e.height() / imgHeight
          self.paramProcess['json_images'] = getJsonImages()
          self.paramProcess['crs_map'] = self.paramProcess['canvas'].mapSettings().destinationCrs().authid()
          self.paramProcess['extent_map'] = e.asWktCoordinates() # xMin, yMin, xMax, yMax
          self.paramProcess['res'] = { 'X': resX, 'Y': resY } 

        image = job.renderedImage()
        if bool( self.paramProcess['canvas'].property('retro') ):
          image = image.scaled( image.width() / 3, image.height() / 3 )
          image = image.convertToFormat( QImage.Format_Indexed8, Qt.OrderedDither | Qt.OrderedAlphaDither )
        image.save( self.paramProcess['pathfileImage'], "TIFF", 100 ) # 100: Uncompressed
        addParams()

      settings = QgsMapSettings( self.paramProcess['canvas'].mapSettings() )
      settings.setBackgroundColor( QColor( Qt.transparent ) )
      
      layers = self.paramProcess['layerImages']
      if 'layerPolygon' in self.paramProcess:
        layers = [ self.paramProcess['layerPolygon'] ] + layers
      settings.setLayers( layers )
      job = QgsMapRendererParallelJob( settings ) 
      job.start()
      job.finished.connect( finished) 
      job.waitForFinished()

开发者ID:lmotta，项目名称:gimpselectionfeature_plugin，代码行数:35，代码来源:gimpselectionfeature.py

示例4: testRenderMetersInMapUnits

    def testRenderMetersInMapUnits(self):

        crs_wsg84 = QgsCoordinateReferenceSystem.fromOgcWmsCrs('EPSG:4326')
        rt_extent = QgsRectangle(13.37768985634235, 52.51625705830762, 13.37771931686235, 52.51628651882762)
        point_berlin_wsg84 = QgsPointXY(13.37770458660236, 52.51627178856762)
        length_wsg84_mapunits = 0.00001473026350140572
        meters_test = 2.40
        da_wsg84 = QgsDistanceArea()
        da_wsg84.setSourceCrs(crs_wsg84, QgsProject.instance().transformContext())
        if (da_wsg84.sourceCrs().isGeographic()):
            da_wsg84.setEllipsoid(da_wsg84.sourceCrs().ellipsoidAcronym())
        length_meter_mapunits = da_wsg84.measureLineProjected(point_berlin_wsg84, 1.0, (math.pi / 2))
        meters_test_mapunits = meters_test * length_wsg84_mapunits
        meters_test_pixel = meters_test * length_wsg84_mapunits
        ms = QgsMapSettings()
        ms.setDestinationCrs(crs_wsg84)
        ms.setExtent(rt_extent)
        r = QgsRenderContext.fromMapSettings(ms)
        r.setExtent(rt_extent)
        self.assertEqual(r.extent().center().toString(7), point_berlin_wsg84.toString(7))
        c = QgsMapUnitScale()
        r.setDistanceArea(da_wsg84)
        result_test_painterunits = r.convertToPainterUnits(meters_test, QgsUnitTypes.RenderMetersInMapUnits, c)
        self.assertEqual(QgsDistanceArea.formatDistance(result_test_painterunits, 7, QgsUnitTypes.DistanceUnknownUnit, True), QgsDistanceArea.formatDistance(meters_test_mapunits, 7, QgsUnitTypes.DistanceUnknownUnit, True))
        result_test_mapunits = r.convertToMapUnits(meters_test, QgsUnitTypes.RenderMetersInMapUnits, c)
        self.assertEqual(QgsDistanceArea.formatDistance(result_test_mapunits, 7, QgsUnitTypes.DistanceDegrees, True), QgsDistanceArea.formatDistance(meters_test_mapunits, 7, QgsUnitTypes.DistanceDegrees, True))
        result_test_meters = r.convertFromMapUnits(meters_test_mapunits, QgsUnitTypes.RenderMetersInMapUnits)
        self.assertEqual(QgsDistanceArea.formatDistance(result_test_meters, 1, QgsUnitTypes.DistanceMeters, True), QgsDistanceArea.formatDistance(meters_test, 1, QgsUnitTypes.DistanceMeters, True))

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

示例5: testTrueNorth

    def testTrueNorth(self):
        """Test syncing picture to true north"""

        mapSettings = QgsMapSettings()
        mapSettings.setDestinationCrs(QgsCoordinateReferenceSystem.fromEpsgId(3575))
        composition = QgsComposition(mapSettings)

        composerMap = QgsComposerMap(composition)
        composerMap.setNewExtent(QgsRectangle(-2126029.962, -2200807.749, -119078.102, -757031.156))
        composition.addComposerMap(composerMap)

        composerPicture = QgsComposerPicture(composition)
        composition.addComposerPicture(composerPicture)

        composerPicture.setRotationMap(composerMap.id())
        self.assertTrue(composerPicture.rotationMap() >= 0)

        composerPicture.setNorthMode(QgsComposerPicture.TrueNorth)
        self.assertAlmostEqual(composerPicture.pictureRotation(), 37.20, 1)

        # shift map
        composerMap.setNewExtent(QgsRectangle(2120672.293, -3056394.691, 2481640.226, -2796718.780))
        self.assertAlmostEqual(composerPicture.pictureRotation(), -38.18, 1)

        # rotate map
        composerMap.setMapRotation(45)
        self.assertAlmostEqual(composerPicture.pictureRotation(), -38.18 + 45, 1)

        # add an offset
        composerPicture.setNorthOffset(-10)
        self.assertAlmostEqual(composerPicture.pictureRotation(), -38.18 + 35, 1)

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

示例6: 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7: testRenderMarkerLayerDisabled

    def testRenderMarkerLayerDisabled(self):
        """ test that rendering a marker symbol with disabled layer works"""
        layer = QgsSimpleMarkerSymbolLayer()
        layer.setEnabled(False)

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

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

        geom = QgsGeometry.fromWkt('Point (1 2)')
        f = QgsFeature()
        f.setGeometry(geom)

        extent = QgsRectangle(0, 0, 4, 4)

        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:33，代码来源:test_qgssymbollayer.py

示例8: testSimpleLineWithOffset

    def testSimpleLineWithOffset(self):
        """ test that rendering a polygon with simple line symbol with offset results in closed line"""
        layer = QgsSimpleLineSymbolLayer()
        layer.setOffset(-1)

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

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

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

        extent = geom.geometry().boundingBox()
        # buffer extent by 10%
        extent = extent.buffer((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', 'fill_simpleline_offset', image))

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

示例9: 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10: 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)

        marker_line = QgsMarkerLineSymbolLayer(True)
        marker_line.setPlacement(QgsMarkerLineSymbolLayer.FirstVertex)
        marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 10)
        marker.setColor(QColor(255, 0, 0))
        marker.setStrokeStyle(Qt.NoPen)
        marker_symbol = QgsMarkerSymbol()
        marker_symbol.changeSymbolLayer(0, marker)
        marker_line.setSubSymbol(marker_symbol)

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

        marker_line.subSymbol().setSizeUnit(QgsUnitTypes.RenderPixels)
        self.assertAlmostEqual(marker_line.width(context), 10.0, 3)
        self.assertAlmostEqual(marker_line.width(context2), 10.0, 3)

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

示例11: renderGeometry

    def renderGeometry(self, symbol, geom, buffer=20):
        f = QgsFeature()
        f.setGeometry(geom)

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

        painter = QPainter()
        ms = QgsMapSettings()
        extent = geom.get().boundingBox()
        # buffer extent by 10%
        if extent.width() > 0:
            extent = extent.buffered((extent.height() + extent.width()) / buffer)
        else:
            extent = extent.buffered(buffer / 2)

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

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

        return image

开发者ID:manisandro，项目名称:QGIS，代码行数:32，代码来源:test_qgsmarkerlinesymbollayer.py

示例12: testInitialSizeSymbolMapUnits

    def testInitialSizeSymbolMapUnits(self):
        """Test initial size of legend with a symbol size in map units"""

        point_path = os.path.join(TEST_DATA_DIR, 'points.shp')
        point_layer = QgsVectorLayer(point_path, 'points', 'ogr')
        QgsProject.instance().addMapLayers([point_layer])

        marker_symbol = QgsMarkerSymbol.createSimple({'color': '#ff0000', 'outline_style': 'no', 'size': '5', 'size_unit': 'MapUnit'})

        point_layer.setRenderer(QgsSingleSymbolRenderer(marker_symbol))

        s = QgsMapSettings()
        s.setLayers([point_layer])
        layout = QgsLayout(QgsProject.instance())
        layout.initializeDefaults()

        map = QgsLayoutItemMap(layout)
        map.attemptSetSceneRect(QRectF(20, 20, 80, 80))
        map.setFrameEnabled(True)
        map.setLayers([point_layer])
        layout.addLayoutItem(map)
        map.setExtent(point_layer.extent())

        legend = QgsLayoutItemLegend(layout)
        legend.setTitle("Legend")
        legend.attemptSetSceneRect(QRectF(120, 20, 80, 80))
        legend.setFrameEnabled(True)
        legend.setFrameStrokeWidth(QgsLayoutMeasurement(2))
        legend.setBackgroundColor(QColor(200, 200, 200))
        legend.setTitle('')
        layout.addLayoutItem(legend)
        legend.setLinkedMap(map)

        checker = QgsLayoutChecker(
            'composer_legend_mapunits', layout)
        checker.setControlPathPrefix("composer_legend")
        result, message = checker.testLayout()
        self.assertTrue(result, message)

        # resize with non-top-left reference point
        legend.setResizeToContents(False)
        legend.setReferencePoint(QgsLayoutItem.LowerRight)
        legend.attemptMove(QgsLayoutPoint(120, 90))
        legend.attemptResize(QgsLayoutSize(50, 60))

        self.assertEqual(legend.positionWithUnits().x(), 120.0)
        self.assertEqual(legend.positionWithUnits().y(), 90.0)
        self.assertAlmostEqual(legend.pos().x(), 70, -1)
        self.assertAlmostEqual(legend.pos().y(), 30, -1)

        legend.setResizeToContents(True)
        legend.updateLegend()
        self.assertEqual(legend.positionWithUnits().x(), 120.0)
        self.assertEqual(legend.positionWithUnits().y(), 90.0)
        self.assertAlmostEqual(legend.pos().x(), 91, -1)
        self.assertAlmostEqual(legend.pos().y(), 71, -1)

        QgsProject.instance().removeMapLayers([point_layer.id()])

开发者ID:SrNetoChan，项目名称:Quantum-GIS，代码行数:58，代码来源:test_qgslayoutlegend.py

示例13: testSize

    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)

开发者ID:yoichigmf，项目名称:QGIS，代码行数:56，代码来源:test_qgssymbol.py

示例14: testExpressionInText

    def testExpressionInText(self):
        """Test expressions embedded in legend node text"""

        point_path = os.path.join(TEST_DATA_DIR, 'points.shp')
        point_layer = QgsVectorLayer(point_path, 'points', 'ogr')

        layout = QgsPrintLayout(QgsProject.instance())
        layout.setName('LAYOUT')
        layout.initializeDefaults()

        map = QgsLayoutItemMap(layout)
        map.attemptSetSceneRect(QRectF(20, 20, 80, 80))
        map.setFrameEnabled(True)
        map.setLayers([point_layer])
        layout.addLayoutItem(map)
        map.setExtent(point_layer.extent())

        legend = QgsLayoutItemLegend(layout)
        legend.setTitle("Legend")
        legend.attemptSetSceneRect(QRectF(120, 20, 100, 100))
        legend.setFrameEnabled(True)
        legend.setFrameStrokeWidth(QgsLayoutMeasurement(2))
        legend.setBackgroundColor(QColor(200, 200, 200))
        legend.setTitle('')
        legend.setLegendFilterByMapEnabled(False)
        legend.setStyleFont(QgsLegendStyle.Title, QgsFontUtils.getStandardTestFont('Bold', 16))
        legend.setStyleFont(QgsLegendStyle.Group, QgsFontUtils.getStandardTestFont('Bold', 16))
        legend.setStyleFont(QgsLegendStyle.Subgroup, QgsFontUtils.getStandardTestFont('Bold', 16))
        legend.setStyleFont(QgsLegendStyle.Symbol, QgsFontUtils.getStandardTestFont('Bold', 16))
        legend.setStyleFont(QgsLegendStyle.SymbolLabel, QgsFontUtils.getStandardTestFont('Bold', 16))

        legend.setAutoUpdateModel(False)

        QgsProject.instance().addMapLayers([point_layer])
        s = QgsMapSettings()
        s.setLayers([point_layer])

        group = legend.model().rootGroup().addGroup("Group [% 1 + 5 %] [% @layout_name %]")
        layer_tree_layer = group.addLayer(point_layer)
        layer_tree_layer.setCustomProperty("legend/title-label", 'bbbb [% 1+2 %] xx [% @layout_name %] [% @layer_name %]')
        QgsMapLayerLegendUtils.setLegendNodeUserLabel(layer_tree_layer, 0, 'xxxx')
        legend.model().refreshLayerLegend(layer_tree_layer)
        legend.model().layerLegendNodes(layer_tree_layer)[0].setUserLabel('bbbb [% 1+2 %] xx [% @layout_name %] [% @layer_name %]')

        layout.addLayoutItem(legend)
        legend.setLinkedMap(map)

        map.setExtent(QgsRectangle(-102.51, 41.16, -102.36, 41.30))

        checker = QgsLayoutChecker(
            'composer_legend_expressions', layout)
        checker.setControlPathPrefix("composer_legend")
        result, message = checker.testLayout()
        self.assertTrue(result, message)

        QgsProject.instance().removeMapLayers([point_layer.id()])

开发者ID:alexbruy，项目名称:QGIS，代码行数:56，代码来源:test_qgslayoutlegend.py

示例15: toMapSettings

 def toMapSettings(self, mapSettings=None):
   if mapSettings is None:
     if QGis.QGIS_VERSION_INT >= 20300:
       from qgis.core import QgsMapSettings
       mapSettings = QgsMapSettings()
     else:
       return None
   mapSettings.setExtent(self._unrotated_rect)
   mapSettings.setRotation(self._rotation)
   return mapSettings

开发者ID:HydroLogic，项目名称:Qgis2threejs，代码行数:10，代码来源:rotatedrect.py

示例16: settings

 def settings(self):
     """
     Return the settings that have been set for the map canvas.
     @return: A QgsMapSettings instance with the settings read from the project.
     """
     canvasnodes = self.doc.elementsByTagName("mapcanvas")
     node = canvasnodes.at(0).toElement()
     settings = QgsMapSettings()
     settings.readXML(node)
     return settings

开发者ID:HeatherHillers，项目名称:qgis2img，代码行数:10，代码来源:projectparser.py

示例17: testRenderMarkerLayerDataDefined

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

        points_shp = os.path.join(TEST_DATA_DIR, 'points.shp')
        points_layer = QgsVectorLayer(points_shp, 'Points', 'ogr')
        QgsProject.instance().addMapLayer(points_layer)

        layer = QgsSimpleMarkerSymbolLayer()
        layer.setDataDefinedProperty(QgsSymbolLayer.PropertyLayerEnabled, QgsProperty.fromExpression("Class='Biplane'"))
        layer.setColor(QColor(100, 150, 150))
        layer.setSize(5)
        layer.setStrokeStyle(Qt.NoPen)

        symbol = QgsMarkerSymbol()
        symbol.changeSymbolLayer(0, layer)
        points_layer.setRenderer(QgsSingleSymbolRenderer(symbol))

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

        renderchecker = QgsMultiRenderChecker()
        renderchecker.setMapSettings(ms)
        renderchecker.setControlPathPrefix('symbol_layer')
        renderchecker.setControlName('expected_markerlayer_ddenabled')
        self.assertTrue(renderchecker.runTest('markerlayer_ddenabled'))
        QgsProject.instance().removeMapLayer(points_layer)

开发者ID:mj10777，项目名称:QGIS，代码行数:29，代码来源:test_qgssymbollayer.py

示例18: testRenderFillLayerDataDefined

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

        polys_shp = os.path.join(TEST_DATA_DIR, 'polys.shp')
        polys_layer = QgsVectorLayer(polys_shp, 'Polygons', 'ogr')
        QgsProject.instance().addMapLayer(polys_layer)

        layer = QgsSimpleFillSymbolLayer()
        layer.setDataDefinedProperty("enabled", QgsDataDefined("Name='Lake'"))
        layer.setBorderStyle(Qt.NoPen)
        layer.setColor(QColor(100, 150, 150))

        symbol = QgsFillSymbol()
        symbol.changeSymbolLayer(0, layer)
        polys_layer.setRenderer(QgsSingleSymbolRenderer(symbol))

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

        renderchecker = QgsMultiRenderChecker()
        renderchecker.setMapSettings(ms)
        renderchecker.setControlPathPrefix('symbol_layer')
        renderchecker.setControlName('expected_filllayer_ddenabled')
        self.assertTrue(renderchecker.runTest('filllayer_ddenabled'))
        QgsProject.instance().removeMapLayer(polys_layer)

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

示例19: setMap

  def setMap(self):
    def finished():
      super(SwipeMap, self).setContent( job.renderedImage(), self.canvas.extent() )

    settings = QgsMapSettings( self.canvas.mapSettings() )
    settings.setLayers( self.layers )
    
    job = QgsMapRendererParallelJob( settings) 
    job.start()
    job.finished.connect( finished) 
    job.waitForFinished()

开发者ID:picaosgeo，项目名称:mapswipetool_plugin，代码行数:11，代码来源:swipemap.py

示例20: map_settings

 def map_settings(self):
     """
     Return the settings that have been set for the map canvas.
     @return: A QgsMapSettings instance with the settings read from the project.
     """
     xml = open(QgsProject.instance().fileName()).read()
     doc = QDomDocument()
     doc.setContent(xml)
     canvasnodes = doc.elementsByTagName("mapcanvas")
     node = canvasnodes.at(0).toElement()
     settings = QgsMapSettings()
     settings.readXML(node)
     return settings

开发者ID:NathanW2，项目名称:parfait，代码行数:13，代码来源:projects.py

注：本文中的qgis.core.QgsMapSettings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。

鲜花

握手

雷人

路过

鸡蛋

该文章已有0人参与评论

请发表评论

全部评论

专题导读

More+

10-27 六六分期app的软件客服如何联系？(六六分期

11-06 可心卡盟:win10系统火狐flash插件崩溃怎么

11-06 亲亲特价:怎么删除回收站图标

11-06 济南大学虚拟社区:鲁大师节能降温的具体办

11-06 xlueops.exe:无线网络安装向导

11-06 女斗合众国:win7系统cf与主机连接不稳定怎

11-06 0xc000022-[cf烟雾头]cf怎么调烟雾头

11-06 qizideyouhuo:应用程序无法正常启动0xc0000

11-06 ipz-185:win7系统vcf文件怎么打开

11-06 傻哥蹦迪:win10系统s4怎么打开usb调试

11-06 八神浩树gtaste:回收站清空了怎么恢复

11-06 妖尾之黑色守护:win10系统电脑没有1440x900

11-06 校园至尊魔王小说:win7系统浏览网页时字体

11-06 女斗合众国:win10系统访问共享文件夹提示请

11-06 tokyo hot n0654:恢复win7系统默认字体一招

11-06 雨酷仙境:设置win7系统转移临时文件夹腾出

11-06 阿穆纳伊之杖:win7系统开始菜单在右边还原

11-06 tunespotting:win10系统火狐flash插件总是

11-06 甘尔葛分析师：计谋网站seo关键词暴涨有什

11-06 蔡贵霖: 计谋网站seo关键词暴涨有什么秘密

11-06 博益网首页:ao3网页版进入不了解决方法

11-06 漏斗子专栏: 网站数据分析小白易懂精华篇

11-06 见证双虹怎么做:win7系统开启telnet命令的

11-06 颾狐蝶蜋:系统资源不足无法完成请求的服务

11-06 国光中学校歌:提交网站到alexa查询详细步骤

11-06 西安有情天:静态网页和动态网页的区别

11-06 红木雅尚斋:外部链接构造对网站的好处

11-06 前官礼遇：防止域名劫持–增强域安全性的10

11-06 密传二转答案: 中文分词算法有哪些

11-06 金泉家园邮编:百度快照劫持的表现及应对方

Python core.QgsMapUnitScale类代码示例发布时间：2022-05-26

Python core.QgsMapRendererParallelJob类代码示例发布时间：2022-05-26

Python util.grid_equal函数代码示例

1 Python 入门教程

Python入门教程 Python 是一种解释型、面向对象、动态数据类型的高级程序设计语言。 P

阅读：13787|2022-01-22

2 Python wikiutil.getFrontPage函数代码示例

Python wikiutil.getFrontPage函数代码示例

阅读：10177|2022-05-24

3 Python 简介

Python 简介 Python 是一个高层次的结合了解释性、编译性、互动性和面向对象的脚本

阅读：4074|2022-01-22

4 Python tests.group函数代码示例

Python tests.group函数代码示例

阅读：4039|2022-05-27

5 Python util.check_if_user_has_permission

Python util.check_if_user_has_permission函数代码示例

阅读：3832|2022-05-27

6 Python 操练实例98

Python 练习实例98 Python 100例题目：从键盘输入一个字符串，将小写字母全部转换成大

阅读：3508|2022-01-22

7 Python 环境搭建

Python 环境搭建本章节我们将向大家介绍如何在本地搭建 Python 开发环境。 Py

阅读：3029|2022-01-22

8 Python output.darkgreen函数代码示例

Python output.darkgreen函数代码示例

阅读：2646|2022-05-25

9 Python 基础语法

Python 基础语法 Python 语言与 Perl，C 和 Java 等语言有许多相似之处。但是，也

阅读：2636|2022-01-22

10 Python 中文编码

Python 中文编码前面章节中我们已经学会了如何用 Python 输出 Hello, World!，英文没

阅读：2293|2022-01-22

客服电话

电子邮件

Python core.QgsMapSettings类代码示例

示例1: testRenderLineLayerDataDefined

示例2: test_load_template

示例3: createImageParams

示例4: testRenderMetersInMapUnits

示例5: testTrueNorth

示例6: testRenderLineLayerDisabled

示例7: testRenderMarkerLayerDisabled

示例8: testSimpleLineWithOffset

示例9: testWidth

示例10: testWidth

示例11: renderGeometry

示例12: testInitialSizeSymbolMapUnits

示例13: testSize

示例14: testExpressionInText

示例15: toMapSettings

示例16: settings

示例17: testRenderMarkerLayerDataDefined

示例18: testRenderFillLayerDataDefined

示例19: setMap

示例20: map_settings

请发表评论

全部评论

上一篇：

下一篇：

Python util.grid_equal函数代码示例

Python util.get_worker_name函数代码示例

Python util.get_webmention_target函数代

Python util.get_uuid函数代码示例

Python util.get_type_by_name函数代码示例

Python util.grid_equal函数代码示例

Python util.get_worker_name函数代码示例

Python util.get_webmention_target函数代

Python util.get_uuid函数代码示例

Python util.get_type_by_name函数代码示例

Python util.get_stdout函数代码示例

关于我们

产品与服务

解决方案

139-2527-9053