Python QgsLayoutItemMap.setFrameEnabled方法代码示例

# 需要导入模块: from qgis.core import QgsLayoutItemMap [as 别名]
# 或者: from qgis.core.QgsLayoutItemMap import setFrameEnabled [as 别名]
    def testInteriorTicks(self):
        layout = QgsLayout(QgsProject.instance())
        layout.initializeDefaults()
        map = QgsLayoutItemMap(layout)
        map.attemptSetSceneRect(QRectF(20, 20, 200, 100))
        map.setFrameEnabled(True)
        map.setBackgroundColor(QColor(150, 100, 100))
        layout.addLayoutItem(map)

        map.grid().setFrameStyle(QgsLayoutItemMapGrid.Zebra)
        myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125)
        map.setExtent(myRectangle)
        map.grid().setIntervalX(2000)
        map.grid().setIntervalY(2000)
        map.grid().setAnnotationFontColor(QColor(0, 0, 0))
        map.grid().setBlendMode(QPainter.CompositionMode_SourceOver)
        map.grid().setFrameStyle(QgsLayoutItemMapGrid.InteriorTicks)
        map.grid().setFrameWidth(10)
        map.grid().setFramePenSize(1)
        map.grid().setFramePenColor(QColor(0, 0, 0))
        map.grid().setEnabled(True)
        map.grid().setStyle(QgsLayoutItemMapGrid.FrameAnnotationsOnly)
        map.updateBoundingRect()

        checker = QgsLayoutChecker('composermap_interiorticks', layout)
        checker.setControlPathPrefix("composer_mapgrid")
        myTestResult, myMessage = checker.testLayout(0, 100)
        assert myTestResult, myMessage

# 需要导入模块: from qgis.core import QgsLayoutItemMap [as 别名]
# 或者: from qgis.core.QgsLayoutItemMap import setFrameEnabled [as 别名]
    def testZebraStyle(self):
        layout = QgsLayout(QgsProject.instance())
        layout.initializeDefaults()
        map = QgsLayoutItemMap(layout)
        map.attemptSetSceneRect(QRectF(20, 20, 200, 100))
        map.setFrameEnabled(True)
        map.setBackgroundColor(QColor(150, 100, 100))
        layout.addLayoutItem(map)

        map.grid().setFrameStyle(QgsLayoutItemMapGrid.Zebra)
        myRectangle = QgsRectangle(785462.375, 3341423.125,
                                   789262.375, 3343323.125)
        map.setExtent(myRectangle)
        map.grid().setIntervalX(2000)
        map.grid().setIntervalY(2000)
        map.grid().setGridLineColor(QColor(0, 0, 0))
        map.grid().setAnnotationFontColor(QColor(0, 0, 0))
        map.grid().setBlendMode(QPainter.CompositionMode_SourceOver)
        map.grid().setFrameStyle(QgsLayoutItemMapGrid.Zebra)
        map.grid().setFrameWidth(10)
        map.grid().setFramePenSize(1)
        map.grid().setGridLineWidth(0.5)
        map.grid().setFramePenColor(QColor(255, 100, 0, 200))
        map.grid().setFrameFillColor1(QColor(50, 90, 50, 100))
        map.grid().setFrameFillColor2(QColor(200, 220, 100, 60))
        map.grid().setEnabled(True)
        map.updateBoundingRect()

        checker = QgsLayoutChecker('composermap_zebrastyle', layout)
        checker.setControlPathPrefix("composer_mapgrid")
        myTestResult, myMessage = checker.testLayout(0, 100)
        assert myTestResult, myMessage

# 需要导入模块: from qgis.core import QgsLayoutItemMap [as 别名]
# 或者: from qgis.core.QgsLayoutItemMap import setFrameEnabled [as 别名]
    def testLegendScopeVariables(self):
        layout = QgsLayout(QgsProject.instance())
        layout.initializeDefaults()

        legend = QgsLayoutItemLegend(layout)
        legend.setTitle("Legend")
        layout.addLayoutItem(legend)

        legend.setColumnCount(2)
        legend.setWrapString('d')
        legend.setLegendFilterOutAtlas(True)

        expc = legend.createExpressionContext()
        exp1 = QgsExpression("@legend_title")
        self.assertEqual(exp1.evaluate(expc), "Legend")
        exp2 = QgsExpression("@legend_column_count")
        self.assertEqual(exp2.evaluate(expc), 2)
        exp3 = QgsExpression("@legend_wrap_string")
        self.assertEqual(exp3.evaluate(expc), 'd')
        exp4 = QgsExpression("@legend_split_layers")
        self.assertEqual(exp4.evaluate(expc), False)
        exp5 = QgsExpression("@legend_filter_out_atlas")
        self.assertEqual(exp5.evaluate(expc), True)

        map = QgsLayoutItemMap(layout)
        map.attemptSetSceneRect(QRectF(20, 20, 80, 80))
        map.setFrameEnabled(True)
        map.setExtent(QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125))
        layout.addLayoutItem(map)
        map.setScale(15000)
        legend.setLinkedMap(map)
        expc2 = legend.createExpressionContext()
        exp6 = QgsExpression("@map_scale")
        self.assertAlmostEqual(exp6.evaluate(expc2), 15000, 2)

# 需要导入模块: from qgis.core import QgsLayoutItemMap [as 别名]
# 或者: from qgis.core.QgsLayoutItemMap import setFrameEnabled [as 别名]
    def testCrossGrid(self):
        layout = QgsLayout(QgsProject.instance())
        layout.initializeDefaults()
        map = QgsLayoutItemMap(layout)
        map.attemptSetSceneRect(QRectF(20, 20, 200, 100))
        map.setFrameEnabled(True)
        map.setBackgroundColor(QColor(150, 100, 100))
        layout.addLayoutItem(map)

        myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125)
        map.setExtent(myRectangle)
        map.grid().setEnabled(True)
        map.grid().setStyle(QgsLayoutItemMapGrid.Cross)
        map.grid().setCrossLength(2.0)
        map.grid().setIntervalX(2000)
        map.grid().setIntervalY(2000)
        map.grid().setAnnotationEnabled(False)
        map.grid().setGridLineColor(QColor(0, 255, 0))
        map.grid().setGridLineWidth(0.5)
        map.grid().setBlendMode(QPainter.CompositionMode_SourceOver)
        map.updateBoundingRect()

        checker = QgsLayoutChecker('composermap_crossgrid', layout)
        checker.setControlPathPrefix("composer_mapgrid")
        myTestResult, myMessage = checker.testLayout()

        map.grid().setStyle(QgsLayoutItemMapGrid.Solid)
        map.grid().setEnabled(False)
        map.grid().setAnnotationEnabled(False)

        assert myTestResult, myMessage

# 需要导入模块: from qgis.core import QgsLayoutItemMap [as 别名]
# 或者: from qgis.core.QgsLayoutItemMap import setFrameEnabled [as 别名]
    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()])

# 需要导入模块: from qgis.core import QgsLayoutItemMap [as 别名]
# 或者: from qgis.core.QgsLayoutItemMap import setFrameEnabled [as 别名]
    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()])

# 需要导入模块: from qgis.core import QgsLayoutItemMap [as 别名]
# 或者: from qgis.core.QgsLayoutItemMap import setFrameEnabled [as 别名]
    def addParcelleMap(self):
        '''
        Add content in the first page
        with a map and basic information
        '''
        # First add headers
        for key, item in list(self.composerTemplates.items()):
            if 'sticky' in item:
                self.buildComposerLabel(key, item, 0)

        # Get feature extent
        exp = QgsExpression('"geo_parcelle" = \'%s\'' % self.geo_parcelle)
        request = QgsFeatureRequest(exp)
        extent = None
        features = self.layer.getFeatures(request)
        for feature in features:
            geom = feature.geometry()
            peri = geom.length()
            buf = peri / 20
            extent = geom.buffer(buf,5).boundingBox()

        # Add memory layer to highlight parcelle
        if extent:
            if self.redlineLayer:
                self.mProject.removeMapLayer(self.redlineLayer.id())
            crs = self.layer.crs().authid()
            vl = QgsVectorLayer("Polygon?crs=" + crs, "temporary", "memory")
            pr = vl.dataProvider()
            vl.startEditing()
            pr.addFeatures([f for f in self.layer.getFeatures(request)])
            vl.commitChanges()
            vl.updateExtents()
            props = vl.renderer().symbol().symbolLayer(0).properties()
            props['outline_width'] = u'1'
            props['outline_color'] = u'0,85,255,255'
            props['outline_style'] = u'solid'
            props['style'] = u'no'
            vl.renderer().setSymbol(QgsFillSymbol.createSimple(props))
            self.mProject.addMapLayer(vl)
            self.redlineLayer = vl

        # Add composer map & to parcelle
        miLayers = self.mInstance.layers()
        miLayers.insert( 0, vl )
        cm = QgsLayoutItemMap(self.currentComposition)
        cm.updateBoundingRect()
        cm.setRect(QRectF(0, 0, 286, 190))
        cm.setPos(6,15)
        cm.setLayers(self.mProject.mapThemeCollection().masterVisibleLayers())

        if extent:
            cm.zoomToExtent(extent)

        cm.setFrameEnabled(True)
        cm.setBackgroundEnabled(True)
        self.currentComposition.addItem(cm)

# 需要导入模块: from qgis.core import QgsLayoutItemMap [as 别名]
# 或者: from qgis.core.QgsLayoutItemMap import setFrameEnabled [as 别名]
    def testZebraStyleSides(self):
        layout = QgsLayout(QgsProject.instance())
        layout.initializeDefaults()
        map = QgsLayoutItemMap(layout)
        map.attemptSetSceneRect(QRectF(20, 20, 200, 100))
        map.setFrameEnabled(True)
        map.setBackgroundColor(QColor(150, 100, 100))
        layout.addLayoutItem(map)

        map.grid().setFrameStyle(QgsLayoutItemMapGrid.Zebra)
        myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125)
        map.setExtent(myRectangle)
        map.grid().setIntervalX(2000)
        map.grid().setIntervalY(2000)
        map.grid().setGridLineColor(QColor(0, 0, 0))
        map.grid().setAnnotationFontColor(QColor(0, 0, 0))
        map.grid().setBlendMode(QPainter.CompositionMode_SourceOver)
        map.grid().setFrameStyle(QgsLayoutItemMapGrid.Zebra)
        map.grid().setFrameWidth(10)
        map.grid().setFramePenSize(1)
        map.grid().setGridLineWidth(0.5)
        map.grid().setFramePenColor(QColor(0, 0, 0))
        map.grid().setFrameFillColor1(QColor(0, 0, 0))
        map.grid().setFrameFillColor2(QColor(255, 255, 255))
        map.grid().setEnabled(True)

        map.grid().setFrameSideFlag(QgsLayoutItemMapGrid.FrameLeft, True)
        map.grid().setFrameSideFlag(QgsLayoutItemMapGrid.FrameRight, False)
        map.grid().setFrameSideFlag(QgsLayoutItemMapGrid.FrameTop, False)
        map.grid().setFrameSideFlag(QgsLayoutItemMapGrid.FrameBottom, False)
        map.updateBoundingRect()

        checker = QgsLayoutChecker('composermap_zebrastyle_left', layout)
        checker.setControlPathPrefix("composer_mapgrid")
        myTestResult, myMessage = checker.testLayout(0, 100)
        assert myTestResult, myMessage

        map.grid().setFrameSideFlag(QgsLayoutItemMapGrid.FrameTop, True)
        map.updateBoundingRect()
        checker = QgsLayoutChecker('composermap_zebrastyle_lefttop', layout)
        checker.setControlPathPrefix("composer_mapgrid")
        myTestResult, myMessage = checker.testLayout(0, 100)
        assert myTestResult, myMessage

        map.grid().setFrameSideFlag(QgsLayoutItemMapGrid.FrameRight, True)
        map.updateBoundingRect()
        checker = QgsLayoutChecker('composermap_zebrastyle_lefttopright', layout)
        checker.setControlPathPrefix("composer_mapgrid")
        myTestResult, myMessage = checker.testLayout(0, 100)
        assert myTestResult, myMessage

        map.grid().setFrameSideFlag(QgsLayoutItemMapGrid.FrameBottom, True)
        map.grid().setFrameStyle(QgsLayoutItemMapGrid.NoFrame)

# 需要导入模块: from qgis.core import QgsLayoutItemMap [as 别名]
# 或者: from qgis.core.QgsLayoutItemMap import setFrameEnabled [as 别名]
    def testFrameWidth(self):
        layout = QgsLayout(QgsProject.instance())

        item = QgsLayoutItemMap(layout)
        item.setFrameEnabled(True)

        item.setFrameStrokeWidth(QgsLayoutMeasurement(10, QgsUnitTypes.LayoutMillimeters))
        self.assertEqual(item.frameStrokeWidth(), QgsLayoutMeasurement(10, QgsUnitTypes.LayoutMillimeters))
        self.assertEqual(item.pen().width(), 10.0)

        item.setFrameStrokeWidth(QgsLayoutMeasurement(10, QgsUnitTypes.LayoutCentimeters))
        self.assertEqual(item.frameStrokeWidth(), QgsLayoutMeasurement(10, QgsUnitTypes.LayoutCentimeters))
        self.assertEqual(item.pen().width(), 100.0)

# 需要导入模块: from qgis.core import QgsLayoutItemMap [as 别名]
# 或者: from qgis.core.QgsLayoutItemMap import setFrameEnabled [as 别名]
    def testDataDefinedFrameColor(self):
        layout = QgsLayout(QgsProject.instance())

        item = QgsLayoutItemMap(layout)
        item.setFrameEnabled(True)

        item.setFrameStrokeColor(QColor(255, 0, 0))
        self.assertEqual(item.frameStrokeColor(), QColor(255, 0, 0))
        self.assertEqual(item.pen().color().name(), QColor(255, 0, 0).name())

        item.dataDefinedProperties().setProperty(QgsLayoutObject.FrameColor, QgsProperty.fromExpression("'blue'"))
        item.refreshDataDefinedProperty()
        self.assertEqual(item.frameStrokeColor(), QColor(255, 0, 0))  # should not change
        self.assertEqual(item.pen().color().name(), QColor(0, 0, 255).name())

# 需要导入模块: from qgis.core import QgsLayoutItemMap [as 别名]
# 或者: from qgis.core.QgsLayoutItemMap import setFrameEnabled [as 别名]
    def rotation_test(self):
        # We will create a polygon layer with a rotated rectangle.
        # Then we will make it the object layer for the atlas,
        # rotate the map and test that the bounding rectangle
        # is smaller than the bounds without rotation.
        polygonLayer = QgsVectorLayer('Polygon', 'test_polygon', 'memory')
        poly = QgsFeature(polygonLayer.fields())
        points = [(10, 15), (15, 10), (45, 40), (40, 45)]
        poly.setGeometry(QgsGeometry.fromPolygonXY([[QgsPointXY(x[0], x[1]) for x in points]]))
        polygonLayer.dataProvider().addFeatures([poly])
        QgsProject.instance().addMapLayer(polygonLayer)

        # Recreating the layout locally
        composition = QgsPrintLayout(QgsProject.instance())
        composition.initializeDefaults()

        # the atlas map
        atlasMap = QgsLayoutItemMap(composition)
        atlasMap.attemptSetSceneRect(QRectF(20, 20, 130, 130))
        atlasMap.setFrameEnabled(True)
        atlasMap.setLayers([polygonLayer])
        atlasMap.setExtent(QgsRectangle(0, 0, 100, 50))
        composition.addLayoutItem(atlasMap)

        # the atlas
        atlas = composition.atlas()
        atlas.setCoverageLayer(polygonLayer)
        atlas.setEnabled(True)

        atlasMap.setAtlasDriven(True)
        atlasMap.setAtlasScalingMode(QgsLayoutItemMap.Auto)
        atlasMap.setAtlasMargin(0.0)

        # Testing
        atlasMap.setMapRotation(0.0)
        atlas.beginRender()
        atlas.first()
        nonRotatedExtent = QgsRectangle(atlasMap.extent())

        atlasMap.setMapRotation(45.0)
        atlas.first()
        rotatedExtent = QgsRectangle(atlasMap.extent())

        self.assertLess(rotatedExtent.width(), nonRotatedExtent.width() * 0.9)
        self.assertLess(rotatedExtent.height(), nonRotatedExtent.height() * 0.9)

        QgsProject.instance().removeMapLayer(polygonLayer)

# 需要导入模块: from qgis.core import QgsLayoutItemMap [as 别名]
# 或者: from qgis.core.QgsLayoutItemMap import setFrameEnabled [as 别名]
    def testMapCrs(self):
        # create layout with layout map
        map_settings = QgsMapSettings()
        map_settings.setLayers([self.vector_layer])
        layout = QgsLayout(QgsProject.instance())
        layout.initializeDefaults()

        # check that new maps inherit project CRS
        QgsProject.instance().setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
        map = QgsLayoutItemMap(layout)
        map.attemptSetSceneRect(QRectF(20, 20, 200, 100))
        map.setFrameEnabled(True)
        rectangle = QgsRectangle(-13838977, 2369660, -8672298, 6250909)
        map.setExtent(rectangle)
        map.setLayers([self.vector_layer])
        layout.addLayoutItem(map)

        self.assertEqual(map.crs().authid(), 'EPSG:4326')
        self.assertFalse(map.presetCrs().isValid())

        # overwrite CRS
        map.setCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
        self.assertEqual(map.crs().authid(), 'EPSG:3857')
        self.assertEqual(map.presetCrs().authid(), 'EPSG:3857')

        checker = QgsLayoutChecker('composermap_crs3857', layout)
        checker.setControlPathPrefix("composer_map")
        result, message = checker.testLayout()
        self.report += checker.report()
        self.assertTrue(result, message)

        # overwrite CRS
        map.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
        self.assertEqual(map.presetCrs().authid(), 'EPSG:4326')
        self.assertEqual(map.crs().authid(), 'EPSG:4326')
        rectangle = QgsRectangle(-124, 17, -78, 52)
        map.zoomToExtent(rectangle)
        checker = QgsLayoutChecker('composermap_crs4326', layout)
        checker.setControlPathPrefix("composer_map")
        result, message = checker.testLayout()
        self.report += checker.report()
        self.assertTrue(result, message)

        # change back to project CRS
        map.setCrs(QgsCoordinateReferenceSystem())
        self.assertEqual(map.crs().authid(), 'EPSG:4326')
        self.assertFalse(map.presetCrs().isValid())

# 需要导入模块: from qgis.core import QgsLayoutItemMap [as 别名]
# 或者: from qgis.core.QgsLayoutItemMap import setFrameEnabled [as 别名]
 def testOverviewMapBlend(self):
     overviewMap = QgsLayoutItemMap(self.layout)
     overviewMap.attemptSetSceneRect(QRectF(20, 130, 70, 70))
     overviewMap.setFrameEnabled(True)
     overviewMap.setLayers([self.raster_layer])
     self.layout.addLayoutItem(overviewMap)
     # zoom in
     myRectangle = QgsRectangle(96, -152, 160, -120)
     self.map.setExtent(myRectangle)
     myRectangle2 = QgsRectangle(0, -256, 256, 0)
     overviewMap.setExtent(myRectangle2)
     overviewMap.overview().setFrameMap(self.map)
     overviewMap.overview().setBlendMode(QPainter.CompositionMode_Multiply)
     checker = QgsLayoutChecker('composermap_overview_blending', self.layout)
     checker.setControlPathPrefix("composer_mapoverview")
     myTestResult, myMessage = checker.testLayout()
     self.layout.removeLayoutItem(overviewMap)
     assert myTestResult, myMessage

# 需要导入模块: from qgis.core import QgsLayoutItemMap [as 别名]
# 或者: from qgis.core.QgsLayoutItemMap import setFrameEnabled [as 别名]
    def test_datadefined_margin(self):
        polygonLayer = QgsVectorLayer('Polygon?field=margin:int', 'test_polygon', 'memory')
        poly = QgsFeature(polygonLayer.fields())
        poly.setAttributes([0])
        poly.setGeometry(QgsGeometry.fromWkt('Polygon((30 30, 40 30, 40 40, 30 40, 30 30))'))
        polygonLayer.dataProvider().addFeatures([poly])
        poly = QgsFeature(polygonLayer.fields())
        poly.setAttributes([10])
        poly.setGeometry(QgsGeometry.fromWkt('Polygon((10 10, 20 10, 20 20, 10 20, 10 10))'))
        polygonLayer.dataProvider().addFeatures([poly])
        poly = QgsFeature(polygonLayer.fields())
        poly.setAttributes([20])
        poly.setGeometry(QgsGeometry.fromWkt('Polygon((50 50, 60 50, 60 60, 50 60, 50 50))'))
        polygonLayer.dataProvider().addFeatures([poly])
        QgsProject.instance().addMapLayer(polygonLayer)

        layout = QgsPrintLayout(QgsProject.instance())
        map = QgsLayoutItemMap(layout)
        map.setCrs(polygonLayer.crs())
        map.attemptSetSceneRect(QRectF(20, 20, 130, 130))
        map.setFrameEnabled(True)
        map.setLayers([polygonLayer])
        map.setExtent(QgsRectangle(0, 0, 100, 50))
        layout.addLayoutItem(map)

        atlas = layout.atlas()
        atlas.setCoverageLayer(polygonLayer)
        atlas.setEnabled(True)

        map.setAtlasDriven(True)
        map.setAtlasScalingMode(QgsLayoutItemMap.Auto)
        map.setAtlasMargin(77.0)
        map.dataDefinedProperties().setProperty(QgsLayoutObject.MapAtlasMargin, QgsProperty.fromExpression('margin/2'))

        atlas.beginRender()
        atlas.first()

        self.assertEqual(map.extent(), QgsRectangle(25, 30, 45, 40))
        self.assertTrue(atlas.next())
        self.assertEqual(map.extent(), QgsRectangle(4.5, 9.75, 25.5, 20.25))
        self.assertTrue(atlas.next())
        self.assertEqual(map.extent(), QgsRectangle(44, 49.5, 66, 60.5))

        QgsProject.instance().removeMapLayer(polygonLayer)

# 需要导入模块: from qgis.core import QgsLayoutItemMap [as 别名]
# 或者: from qgis.core.QgsLayoutItemMap import setFrameEnabled [as 别名]
 def testOverviewMapCenter(self):
     overviewMap = QgsLayoutItemMap(self.layout)
     overviewMap.attemptSetSceneRect(QRectF(20, 130, 70, 70))
     overviewMap.setFrameEnabled(True)
     overviewMap.setLayers([self.raster_layer])
     self.layout.addLayoutItem(overviewMap)
     # zoom in
     myRectangle = QgsRectangle(192, -288, 320, -224)
     self.map.setExtent(myRectangle)
     myRectangle2 = QgsRectangle(0, -256, 256, 0)
     overviewMap.setExtent(myRectangle2)
     overviewMap.overview().setFrameMap(self.map)
     overviewMap.overview().setInverted(False)
     overviewMap.overview().setCentered(True)
     checker = QgsLayoutChecker('composermap_overview_center', self.layout)
     checker.setControlPathPrefix("composer_mapoverview")
     myTestResult, myMessage = checker.testLayout()
     self.layout.removeLayoutItem(overviewMap)
     assert myTestResult, myMessage