Exemple #1
0
    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.pendingFields())
        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 composer locally
        composition = QgsComposition(QgsProject.instance())
        composition.setPaperSize(297, 210)

        # the atlas map
        atlasMap = QgsComposerMap(composition, 20, 20, 130, 130)
        atlasMap.setFrameEnabled(True)
        atlasMap.setLayers([polygonLayer])
        atlasMap.setNewExtent(QgsRectangle(0, 0, 100, 50))
        composition.addComposerMap(atlasMap)

        # the atlas
        atlas = composition.atlasComposition()
        atlas.setCoverageLayer(polygonLayer)
        atlas.setEnabled(True)
        composition.setAtlasMode(QgsComposition.ExportAtlas)

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

        # Testing
        atlasMap.setMapRotation(0.0)
        atlas.firstFeature()
        nonRotatedExtent = QgsRectangle(atlasMap.currentMapExtent())

        atlasMap.setMapRotation(45.0)
        atlas.firstFeature()
        rotatedExtent = QgsRectangle(atlasMap.currentMapExtent())

        assert rotatedExtent.width() < nonRotatedExtent.width() * 0.9
        assert rotatedExtent.height() < nonRotatedExtent.height() * 0.9

        QgsProject.instance().removeMapLayer(polygonLayer)
    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.pendingFields())
        points = [(10, 15), (15, 10), (45, 40), (40, 45)]
        poly.setGeometry(QgsGeometry.fromPolygon([[QgsPointXY(x[0], x[1]) for x in points]]))
        polygonLayer.dataProvider().addFeatures([poly])
        QgsProject.instance().addMapLayer(polygonLayer)

        # Recreating the composer locally
        composition = QgsComposition(QgsProject.instance())
        composition.setPaperSize(297, 210)

        # the atlas map
        atlasMap = QgsComposerMap(composition, 20, 20, 130, 130)
        atlasMap.setFrameEnabled(True)
        atlasMap.setLayers([polygonLayer])
        atlasMap.setNewExtent(QgsRectangle(0, 0, 100, 50))
        composition.addComposerMap(atlasMap)

        # the atlas
        atlas = composition.atlasComposition()
        atlas.setCoverageLayer(polygonLayer)
        atlas.setEnabled(True)
        composition.setAtlasMode(QgsComposition.ExportAtlas)

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

        # Testing
        atlasMap.setMapRotation(0.0)
        atlas.firstFeature()
        nonRotatedExtent = QgsRectangle(atlasMap.currentMapExtent())

        atlasMap.setMapRotation(45.0)
        atlas.firstFeature()
        rotatedExtent = QgsRectangle(atlasMap.currentMapExtent())

        assert rotatedExtent.width() < nonRotatedExtent.width() * 0.9
        assert rotatedExtent.height() < nonRotatedExtent.height() * 0.9

        QgsProject.instance().removeMapLayer(polygonLayer)
class TestQgsAtlasComposition(unittest.TestCase):
    def testCase(self):
        self.TEST_DATA_DIR = unitTestDataPath()
        tmppath = tempfile.mkdtemp()
        for file in glob.glob(
                os.path.join(self.TEST_DATA_DIR, 'france_parts.*')):
            shutil.copy(os.path.join(self.TEST_DATA_DIR, file), tmppath)
        vectorFileInfo = QFileInfo(tmppath + "/france_parts.shp")
        mVectorLayer = QgsVectorLayer(vectorFileInfo.filePath(),
                                      vectorFileInfo.completeBaseName(), "ogr")

        QgsMapLayerRegistry.instance().addMapLayers([mVectorLayer])

        # create composition with composer map
        self.mapSettings = QgsMapSettings()
        layerStringList = []
        layerStringList.append(mVectorLayer.id())
        self.mapSettings.setLayers(layerStringList)
        self.mapSettings.setCrsTransformEnabled(True)
        self.mapSettings.setMapUnits(QGis.Meters)

        # select epsg:2154
        crs = QgsCoordinateReferenceSystem()
        crs.createFromSrid(2154)
        self.mapSettings.setDestinationCrs(crs)

        self.mComposition = QgsComposition(self.mapSettings)
        self.mComposition.setPaperSize(297, 210)

        # fix the renderer, fill with green
        props = {"color": "0,127,0"}
        fillSymbol = QgsFillSymbolV2.createSimple(props)
        renderer = QgsSingleSymbolRendererV2(fillSymbol)
        mVectorLayer.setRendererV2(renderer)

        # the atlas map
        self.mAtlasMap = QgsComposerMap(self.mComposition, 20, 20, 130, 130)
        self.mAtlasMap.setFrameEnabled(True)
        self.mComposition.addComposerMap(self.mAtlasMap)

        # the atlas
        self.mAtlas = self.mComposition.atlasComposition()
        self.mAtlas.setCoverageLayer(mVectorLayer)
        self.mAtlas.setEnabled(True)
        self.mComposition.setAtlasMode(QgsComposition.ExportAtlas)

        # an overview
        mOverview = QgsComposerMap(self.mComposition, 180, 20, 50, 50)
        mOverview.setFrameEnabled(True)
        mOverview.setOverviewFrameMap(self.mAtlasMap.id())
        self.mComposition.addComposerMap(mOverview)
        nextent = QgsRectangle(49670.718, 6415139.086, 699672.519, 7065140.887)
        mOverview.setNewExtent(nextent)

        # set the fill symbol of the overview map
        props2 = {"color": "127,0,0,127"}
        fillSymbol2 = QgsFillSymbolV2.createSimple(props2)
        mOverview.setOverviewFrameMapSymbol(fillSymbol2)

        # header label
        self.mLabel1 = QgsComposerLabel(self.mComposition)
        self.mComposition.addComposerLabel(self.mLabel1)
        self.mLabel1.setText("[% \"NAME_1\" %] area")
        self.mLabel1.setFont(QgsFontUtils.getStandardTestFont())
        self.mLabel1.adjustSizeToText()
        self.mLabel1.setSceneRect(QRectF(150, 5, 60, 15))

        qWarning(
            "header label font: %s exactMatch:%s" %
            (self.mLabel1.font().toString(), self.mLabel1.font().exactMatch()))

        # feature number label
        self.mLabel2 = QgsComposerLabel(self.mComposition)
        self.mComposition.addComposerLabel(self.mLabel2)
        self.mLabel2.setText("# [%$feature || ' / ' || $numfeatures%]")
        self.mLabel2.setFont(QgsFontUtils.getStandardTestFont())
        self.mLabel2.adjustSizeToText()
        self.mLabel2.setSceneRect(QRectF(150, 200, 60, 15))

        qWarning(
            "feature number label font: %s exactMatch:%s" %
            (self.mLabel2.font().toString(), self.mLabel2.font().exactMatch()))

        self.filename_test()
        self.autoscale_render_test()
        self.autoscale_render_test_old_api()
        self.fixedscale_render_test()
        self.predefinedscales_render_test()
        self.hidden_render_test()
        self.legend_test()

        shutil.rmtree(tmppath, True)

    def filename_test(self):
        self.mAtlas.setFilenamePattern("'output_' || $feature")
        self.mAtlas.beginRender()
        for i in range(0, self.mAtlas.numFeatures()):
            self.mAtlas.prepareForFeature(i)
            expected = "output_%d" % (i + 1)
            assert self.mAtlas.currentFilename() == expected
        self.mAtlas.endRender()

    def autoscale_render_test(self):
        self.mAtlasMap.setAtlasDriven(True)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Auto)
        self.mAtlasMap.setAtlasMargin(0.10)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_autoscale%d' % (i + 1),
                                            self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

        self.mAtlasMap.setAtlasDriven(False)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlasMap.setAtlasMargin(0)

    def autoscale_render_test_old_api(self):
        self.mAtlas.setComposerMap(self.mAtlasMap)
        self.mAtlas.setFixedScale(False)
        self.mAtlas.setMargin(0.10)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker(
                'atlas_autoscale_old_api%d' % (i + 1), self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

        self.mAtlas.setFixedScale(True)
        self.mAtlas.setMargin(0)
        self.mAtlas.setComposerMap(None)
        self.mAtlasMap.setAtlasDriven(False)

    def fixedscale_render_test(self):
        self.mAtlasMap.setNewExtent(
            QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasDriven(True)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_fixedscale%d' % (i + 1),
                                            self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def predefinedscales_render_test(self):
        self.mAtlasMap.setNewExtent(
            QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasDriven(True)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Predefined)

        scales = [1800000, 5000000]
        self.mAtlas.setPredefinedScales(scales)
        for i, s in enumerate(self.mAtlas.predefinedScales()):
            assert s == scales[i]

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker(
                'atlas_predefinedscales%d' % (i + 1), self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def hidden_render_test(self):
        self.mAtlasMap.setNewExtent(
            QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlas.setHideCoverage(True)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_hiding%d' % (i + 1),
                                            self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

        self.mAtlas.setHideCoverage(False)

    def sorting_render_test(self):
        self.mAtlasMap.setNewExtent(
            QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlas.setHideCoverage(False)

        self.mAtlas.setSortFeatures(True)
        self.mAtlas.setSortKeyAttributeIndex(4)  # departement name
        self.mAtlas.setSortAscending(False)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_sorting%d' % (i + 1),
                                            self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def filtering_render_test(self):
        self.mAtlasMap.setNewExtent(
            QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlas.setHideCoverage(False)

        self.mAtlas.setSortFeatures(False)

        self.mAtlas.setFilterFeatures(True)
        self.mAtlas.setFeatureFilter(
            "substr(NAME_1,1,1)='P'")  # select only 'Pays de la loire'

        self.mAtlas.beginRender()

        for i in range(0, 1):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_filtering%d' % (i + 1),
                                            self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def legend_test(self):
        self.mAtlasMap.setAtlasDriven(True)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Auto)
        self.mAtlasMap.setAtlasMargin(0.10)

        # add a point layer
        ptLayer = QgsVectorLayer(
            "Point?crs=epsg:4326&field=attr:int(1)&field=label:string(20)",
            "points", "memory")

        pr = ptLayer.dataProvider()
        f1 = QgsFeature(1)
        f1.initAttributes(2)
        f1.setAttribute(0, 1)
        f1.setAttribute(1, "Test label 1")
        f1.setGeometry(QgsGeometry.fromPoint(QgsPoint(-0.638, 48.954)))
        f2 = QgsFeature(2)
        f2.initAttributes(2)
        f2.setAttribute(0, 2)
        f2.setAttribute(1, "Test label 2")
        f2.setGeometry(QgsGeometry.fromPoint(QgsPoint(-1.682, 48.550)))
        pr.addFeatures([f1, f2])

        # categorized symbology
        r = QgsCategorizedSymbolRendererV2("attr", [
            QgsRendererCategoryV2(
                1, QgsMarkerSymbolV2.createSimple({"color": "255,0,0"}),
                "red"),
            QgsRendererCategoryV2(
                2, QgsMarkerSymbolV2.createSimple({"color": "0,0,255"}),
                "blue")
        ])
        ptLayer.setRendererV2(r)

        QgsMapLayerRegistry.instance().addMapLayer(ptLayer)

        # add the point layer to the map settings
        layers = self.mapSettings.layers()
        layers = [ptLayer.id()] + layers
        self.mapSettings.setLayers(layers)

        # add a legend
        legend = QgsComposerLegend(self.mComposition)
        legend.moveBy(200, 100)
        # sets the legend filter parameter
        legend.setComposerMap(self.mAtlasMap)
        legend.setLegendFilterOutAtlas(True)
        self.mComposition.addComposerLegend(legend)

        self.mAtlas.beginRender()

        self.mAtlas.prepareForFeature(0)
        self.mLabel1.adjustSizeToText()

        checker = QgsCompositionChecker('atlas_legend', self.mComposition)
        myTestResult, myMessage = checker.testComposition()
        assert myTestResult

        self.mAtlas.endRender()

        # restore state
        self.mapSettings.setLayers([layers[1]])
        self.mComposition.removeComposerItem(legend)
        QgsMapLayerRegistry.instance().removeMapLayer(ptLayer.id())
class TestQgsAtlasComposition(unittest.TestCase):

    def testCase(self):
        self.TEST_DATA_DIR = unitTestDataPath()
        vectorFileInfo = QFileInfo( self.TEST_DATA_DIR + "/france_parts.shp")
        mVectorLayer = QgsVectorLayer( vectorFileInfo.filePath(), vectorFileInfo.completeBaseName(), "ogr" )

        QgsMapLayerRegistry.instance().addMapLayers( [mVectorLayer] )

        # create composition with composer map
        mMapRenderer = QgsMapRenderer()
        layerStringList = []
        layerStringList.append( mVectorLayer.id() )
        mMapRenderer.setLayerSet( layerStringList )
        mMapRenderer.setProjectionsEnabled( True )
        mMapRenderer.setMapUnits( QGis.Meters )

        # select epsg:2154
        crs = QgsCoordinateReferenceSystem()
        crs.createFromSrid( 2154 )
        mMapRenderer.setDestinationCrs( crs )

        self.mComposition = QgsComposition( mMapRenderer )
        self.mComposition.setPaperSize( 297, 210 )

        # fix the renderer, fill with green
        props = { "color": "0,127,0" }
        fillSymbol = QgsFillSymbolV2.createSimple( props )
        renderer = QgsSingleSymbolRendererV2( fillSymbol )
        mVectorLayer.setRendererV2( renderer )

        # the atlas map
        self.mAtlasMap = QgsComposerMap( self.mComposition, 20, 20, 130, 130 )
        self.mAtlasMap.setFrameEnabled( True )
        self.mComposition.addComposerMap( self.mAtlasMap )

        # the atlas
        self.mAtlas = self.mComposition.atlasComposition()
        self.mAtlas.setCoverageLayer( mVectorLayer )
        self.mAtlas.setEnabled( True )
        self.mComposition.setAtlasMode( QgsComposition.ExportAtlas )

        # an overview
        mOverview = QgsComposerMap( self.mComposition, 180, 20, 50, 50 )
        mOverview.setFrameEnabled( True )
        mOverview.setOverviewFrameMap( self.mAtlasMap.id() )
        self.mComposition.addComposerMap( mOverview )
        nextent = QgsRectangle( 49670.718, 6415139.086, 699672.519, 7065140.887 )
        mOverview.setNewExtent( nextent )

        # set the fill symbol of the overview map
        props2 = { "color": "127,0,0,127" }
        fillSymbol2 = QgsFillSymbolV2.createSimple( props2 )
        mOverview.setOverviewFrameMapSymbol( fillSymbol2 )

        # header label
        self.mLabel1 = QgsComposerLabel( self.mComposition )
        self.mComposition.addComposerLabel( self.mLabel1 )
        self.mLabel1.setText( "[% \"NAME_1\" %] area" )
        self.mLabel1.setFont( QgsFontUtils.getStandardTestFont() )
        self.mLabel1.adjustSizeToText()
        self.mLabel1.setSceneRect( QRectF( 150, 5, 60, 15 ) )

        qWarning( "header label font: %s exactMatch:%s" % ( self.mLabel1.font().toString(), self.mLabel1.font().exactMatch() ) )

        # feature number label
        self.mLabel2 = QgsComposerLabel( self.mComposition )
        self.mComposition.addComposerLabel( self.mLabel2 )
        self.mLabel2.setText( "# [%$feature || ' / ' || $numfeatures%]" )
        self.mLabel2.setFont( QgsFontUtils.getStandardTestFont() )
        self.mLabel2.adjustSizeToText()
        self.mLabel2.setSceneRect( QRectF( 150, 200, 60, 15 ) )

        qWarning( "feature number label font: %s exactMatch:%s" % ( self.mLabel2.font().toString(), self.mLabel2.font().exactMatch() ) )

        self.filename_test()
        self.autoscale_render_test()
        self.autoscale_render_test_old_api()
        self.fixedscale_render_test()
        self.predefinedscales_render_test()
        self.hidden_render_test()

    def filename_test( self ):

        self.mAtlas.setFilenamePattern( "'output_' || $feature" )
        self.mAtlas.beginRender()
        for i in range(0, self.mAtlas.numFeatures()):
            self.mAtlas.prepareForFeature( i )
            expected =  "output_%d" % (i+1)
            assert self.mAtlas.currentFilename() == expected
        self.mAtlas.endRender()

    def autoscale_render_test( self ):
        self.mAtlasMap.setAtlasDriven( True )
        self.mAtlasMap.setAtlasScalingMode( QgsComposerMap.Auto )
        self.mAtlasMap.setAtlasMargin( 0.10 )

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature( i )
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_autoscale%d' % (i + 1), self.mComposition)
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

        self.mAtlasMap.setAtlasDriven( False )
        self.mAtlasMap.setAtlasScalingMode( QgsComposerMap.Fixed )
        self.mAtlasMap.setAtlasMargin( 0 )

    def autoscale_render_test_old_api( self ):
        self.mAtlas.setComposerMap( self.mAtlasMap )
        self.mAtlas.setFixedScale( False )
        self.mAtlas.setMargin( 0.10 )

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature( i )
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_autoscale_old_api%d' % (i + 1), self.mComposition)
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

        self.mAtlas.setFixedScale( True )
        self.mAtlas.setMargin( 0 )
        self.mAtlas.setComposerMap( None )
        self.mAtlasMap.setAtlasDriven( False )

    def fixedscale_render_test( self ):
        self.mAtlasMap.setAtlasDriven( True )
        self.mAtlasMap.setAtlasScalingMode( QgsComposerMap.Fixed )
        self.mAtlasMap.setNewExtent( QgsRectangle( 209838.166, 6528781.020, 610491.166, 6920530.620 ) )

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature( i )
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_fixedscale%d' % (i + 1), self.mComposition)
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def predefinedscales_render_test( self ):
        self.mAtlasMap.setAtlasDriven( True )
        self.mAtlasMap.setNewExtent( QgsRectangle( 209838.166, 6528781.020, 610491.166, 6920530.620 ) )
        self.mAtlasMap.setAtlasScalingMode( QgsComposerMap.Predefined )

        scales = [1800000, 5000000]
        self.mAtlas.setPredefinedScales( scales )
        for i, s in enumerate(self.mAtlas.predefinedScales()):
            assert s == scales[i]

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature( i )
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_predefinedscales%d' % (i + 1), self.mComposition)
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def hidden_render_test( self ):
        self.mAtlasMap.setNewExtent( QgsRectangle( 209838.166, 6528781.020, 610491.166, 6920530.620 ) )
        self.mAtlasMap.setAtlasScalingMode( QgsComposerMap.Fixed )
        self.mAtlas.setHideCoverage( True )

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature( i )
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_hiding%d' % (i + 1), self.mComposition)
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def sorting_render_test( self ):
        self.mAtlasMap.setNewExtent( QgsRectangle( 209838.166, 6528781.020, 610491.166, 6920530.620 ) )
        self.mAtlasMap.setAtlasScalingMode( QgsComposerMap.Fixed )
        self.mAtlas.setHideCoverage( False )

        self.mAtlas.setSortFeatures( True )
        self.mAtlas.setSortKeyAttributeIndex( 4 ) # departement name
        self.mAtlas.setSortAscending( False )

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature( i )
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_sorting%d' % (i + 1), self.mComposition)
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def filtering_render_test( self ):
        self.mAtlasMap.setNewExtent( QgsRectangle( 209838.166, 6528781.020, 610491.166, 6920530.620 ) )
        self.mAtlasMap.setAtlasScalingMode( QgsComposerMap.Fixed )
        self.mAtlas.setHideCoverage( False )

        self.mAtlas.setSortFeatures( False )

        self.mAtlas.setFilterFeatures( True )
        self.mAtlas.setFeatureFilter( "substr(NAME_1,1,1)='P'" ) # select only 'Pays de la loire'

        self.mAtlas.beginRender()

        for i in range(0, 1):
            self.mAtlas.prepareForFeature( i )
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_filtering%d' % (i + 1), self.mComposition)
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()
class TestQgsAtlasComposition(unittest.TestCase):

    def testCase(self):
        self.TEST_DATA_DIR = unitTestDataPath()
        tmppath = tempfile.mkdtemp()
        for file in glob.glob(os.path.join(self.TEST_DATA_DIR, 'france_parts.*')):
            shutil.copy(os.path.join(self.TEST_DATA_DIR, file), tmppath)
        vectorFileInfo = QFileInfo(tmppath + "/france_parts.shp")
        mVectorLayer = QgsVectorLayer(vectorFileInfo.filePath(), vectorFileInfo.completeBaseName(), "ogr")

        QgsMapLayerRegistry.instance().addMapLayers([mVectorLayer])

        # create composition with composer map
        self.mapSettings = QgsMapSettings()
        layerStringList = []
        layerStringList.append(mVectorLayer.id())
        self.mapSettings.setLayers(layerStringList)
        self.mapSettings.setCrsTransformEnabled(True)
        self.mapSettings.setMapUnits(QGis.Meters)

        # select epsg:2154
        crs = QgsCoordinateReferenceSystem()
        crs.createFromSrid(2154)
        self.mapSettings.setDestinationCrs(crs)

        self.mComposition = QgsComposition(self.mapSettings)
        self.mComposition.setPaperSize(297, 210)

        # fix the renderer, fill with green
        props = {"color": "0,127,0"}
        fillSymbol = QgsFillSymbolV2.createSimple(props)
        renderer = QgsSingleSymbolRendererV2(fillSymbol)
        mVectorLayer.setRendererV2(renderer)

        # the atlas map
        self.mAtlasMap = QgsComposerMap(self.mComposition, 20, 20, 130, 130)
        self.mAtlasMap.setFrameEnabled(True)
        self.mComposition.addComposerMap(self.mAtlasMap)

        # the atlas
        self.mAtlas = self.mComposition.atlasComposition()
        self.mAtlas.setCoverageLayer(mVectorLayer)
        self.mAtlas.setEnabled(True)
        self.mComposition.setAtlasMode(QgsComposition.ExportAtlas)

        # an overview
        mOverview = QgsComposerMap(self.mComposition, 180, 20, 50, 50)
        mOverview.setFrameEnabled(True)
        mOverview.setOverviewFrameMap(self.mAtlasMap.id())
        self.mComposition.addComposerMap(mOverview)
        nextent = QgsRectangle(49670.718, 6415139.086, 699672.519, 7065140.887)
        mOverview.setNewExtent(nextent)

        # set the fill symbol of the overview map
        props2 = {"color": "127,0,0,127"}
        fillSymbol2 = QgsFillSymbolV2.createSimple(props2)
        mOverview.setOverviewFrameMapSymbol(fillSymbol2)

        # header label
        self.mLabel1 = QgsComposerLabel(self.mComposition)
        self.mComposition.addComposerLabel(self.mLabel1)
        self.mLabel1.setText("[% \"NAME_1\" %] area")
        self.mLabel1.setFont(QgsFontUtils.getStandardTestFont())
        self.mLabel1.adjustSizeToText()
        self.mLabel1.setSceneRect(QRectF(150, 5, 60, 15))

        qWarning(
            "header label font: %s exactMatch:%s" % (self.mLabel1.font().toString(), self.mLabel1.font().exactMatch()))

        # feature number label
        self.mLabel2 = QgsComposerLabel(self.mComposition)
        self.mComposition.addComposerLabel(self.mLabel2)
        self.mLabel2.setText("# [%$feature || ' / ' || $numfeatures%]")
        self.mLabel2.setFont(QgsFontUtils.getStandardTestFont())
        self.mLabel2.adjustSizeToText()
        self.mLabel2.setSceneRect(QRectF(150, 200, 60, 15))

        qWarning("feature number label font: %s exactMatch:%s" % (
                 self.mLabel2.font().toString(), self.mLabel2.font().exactMatch()))

        self.filename_test()
        self.autoscale_render_test()
        self.autoscale_render_test_old_api()
        self.fixedscale_render_test()
        self.predefinedscales_render_test()
        self.hidden_render_test()
        self.legend_test()

        shutil.rmtree(tmppath, True)

    def filename_test(self):
        self.mAtlas.setFilenamePattern("'output_' || $feature")
        self.mAtlas.beginRender()
        for i in range(0, self.mAtlas.numFeatures()):
            self.mAtlas.prepareForFeature(i)
            expected = "output_%d" % (i + 1)
            assert self.mAtlas.currentFilename() == expected
        self.mAtlas.endRender()

    def autoscale_render_test(self):
        self.mAtlasMap.setAtlasDriven(True)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Auto)
        self.mAtlasMap.setAtlasMargin(0.10)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_autoscale%d' % (i + 1), self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

        self.mAtlasMap.setAtlasDriven(False)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlasMap.setAtlasMargin(0)

    def autoscale_render_test_old_api(self):
        self.mAtlas.setComposerMap(self.mAtlasMap)
        self.mAtlas.setFixedScale(False)
        self.mAtlas.setMargin(0.10)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_autoscale_old_api%d' % (i + 1), self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

        self.mAtlas.setFixedScale(True)
        self.mAtlas.setMargin(0)
        self.mAtlas.setComposerMap(None)
        self.mAtlasMap.setAtlasDriven(False)

    def fixedscale_render_test(self):
        self.mAtlasMap.setNewExtent(QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasDriven(True)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_fixedscale%d' % (i + 1), self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def predefinedscales_render_test(self):
        self.mAtlasMap.setNewExtent(QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasDriven(True)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Predefined)

        scales = [1800000, 5000000]
        self.mAtlas.setPredefinedScales(scales)
        for i, s in enumerate(self.mAtlas.predefinedScales()):
            assert s == scales[i]

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_predefinedscales%d' % (i + 1), self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def hidden_render_test(self):
        self.mAtlasMap.setNewExtent(QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlas.setHideCoverage(True)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_hiding%d' % (i + 1), self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

        self.mAtlas.setHideCoverage(False)

    def sorting_render_test(self):
        self.mAtlasMap.setNewExtent(QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlas.setHideCoverage(False)

        self.mAtlas.setSortFeatures(True)
        self.mAtlas.setSortKeyAttributeIndex(4)  # departement name
        self.mAtlas.setSortAscending(False)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_sorting%d' % (i + 1), self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def filtering_render_test(self):
        self.mAtlasMap.setNewExtent(QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlas.setHideCoverage(False)

        self.mAtlas.setSortFeatures(False)

        self.mAtlas.setFilterFeatures(True)
        self.mAtlas.setFeatureFilter("substr(NAME_1,1,1)='P'")  # select only 'Pays de la loire'

        self.mAtlas.beginRender()

        for i in range(0, 1):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_filtering%d' % (i + 1), self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def legend_test(self):
        self.mAtlasMap.setAtlasDriven(True)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Auto)
        self.mAtlasMap.setAtlasMargin(0.10)

        # add a point layer
        ptLayer = QgsVectorLayer("Point?crs=epsg:4326&field=attr:int(1)&field=label:string(20)", "points", "memory")

        pr = ptLayer.dataProvider()
        f1 = QgsFeature(1)
        f1.initAttributes(2)
        f1.setAttribute(0, 1)
        f1.setAttribute(1, "Test label 1")
        f1.setGeometry(QgsGeometry.fromPoint(QgsPoint(-0.638, 48.954)))
        f2 = QgsFeature(2)
        f2.initAttributes(2)
        f2.setAttribute(0, 2)
        f2.setAttribute(1, "Test label 2")
        f2.setGeometry(QgsGeometry.fromPoint(QgsPoint(-1.682, 48.550)))
        pr.addFeatures([f1, f2])

        # categorized symbology
        r = QgsCategorizedSymbolRendererV2("attr", [QgsRendererCategoryV2(1, QgsMarkerSymbolV2.createSimple({"color": "255,0,0"}), "red"),
                                                    QgsRendererCategoryV2(2, QgsMarkerSymbolV2.createSimple({"color": "0,0,255"}), "blue")])
        ptLayer.setRendererV2(r)

        QgsMapLayerRegistry.instance().addMapLayer(ptLayer)

        # add the point layer to the map settings
        layers = self.mapSettings.layers()
        layers = [ptLayer.id()] + layers
        self.mapSettings.setLayers(layers)

        # add a legend
        legend = QgsComposerLegend(self.mComposition)
        legend.moveBy(200, 100)
        # sets the legend filter parameter
        legend.setComposerMap(self.mAtlasMap)
        legend.setLegendFilterOutAtlas(True)
        self.mComposition.addComposerLegend(legend)

        self.mAtlas.beginRender()

        self.mAtlas.prepareForFeature(0)
        self.mLabel1.adjustSizeToText()

        checker = QgsCompositionChecker('atlas_legend', self.mComposition)
        myTestResult, myMessage = checker.testComposition()
        assert myTestResult

        self.mAtlas.endRender()

        # restore state
        self.mapSettings.setLayers([layers[1]])
        self.mComposition.removeComposerItem(legend)
        QgsMapLayerRegistry.instance().removeMapLayer(ptLayer.id())
class TestQgsAtlasComposition(unittest.TestCase):
    def testCase(self):
        self.TEST_DATA_DIR = unitTestDataPath()
        tmppath = tempfile.mkdtemp()
        for file in glob.glob(
                os.path.join(self.TEST_DATA_DIR, 'france_parts.*')):
            shutil.copy(os.path.join(self.TEST_DATA_DIR, file), tmppath)
        vectorFileInfo = QFileInfo(tmppath + "/france_parts.shp")
        mVectorLayer = QgsVectorLayer(vectorFileInfo.filePath(),
                                      vectorFileInfo.completeBaseName(), "ogr")

        QgsMapLayerRegistry.instance().addMapLayers([mVectorLayer])

        # create composition with composer map
        mMapRenderer = QgsMapRenderer()
        layerStringList = []
        layerStringList.append(mVectorLayer.id())
        mMapRenderer.setLayerSet(layerStringList)
        mMapRenderer.setProjectionsEnabled(True)
        mMapRenderer.setMapUnits(QGis.Meters)

        # select epsg:2154
        crs = QgsCoordinateReferenceSystem()
        crs.createFromSrid(2154)
        mMapRenderer.setDestinationCrs(crs)

        self.mComposition = QgsComposition(mMapRenderer)
        self.mComposition.setPaperSize(297, 210)

        # fix the renderer, fill with green
        props = {"color": "0,127,0"}
        fillSymbol = QgsFillSymbolV2.createSimple(props)
        renderer = QgsSingleSymbolRendererV2(fillSymbol)
        mVectorLayer.setRendererV2(renderer)

        # the atlas map
        self.mAtlasMap = QgsComposerMap(self.mComposition, 20, 20, 130, 130)
        self.mAtlasMap.setFrameEnabled(True)
        self.mComposition.addComposerMap(self.mAtlasMap)

        # the atlas
        self.mAtlas = self.mComposition.atlasComposition()
        self.mAtlas.setCoverageLayer(mVectorLayer)
        self.mAtlas.setEnabled(True)
        self.mComposition.setAtlasMode(QgsComposition.ExportAtlas)

        # an overview
        mOverview = QgsComposerMap(self.mComposition, 180, 20, 50, 50)
        mOverview.setFrameEnabled(True)
        mOverview.setOverviewFrameMap(self.mAtlasMap.id())
        self.mComposition.addComposerMap(mOverview)
        nextent = QgsRectangle(49670.718, 6415139.086, 699672.519, 7065140.887)
        mOverview.setNewExtent(nextent)

        # set the fill symbol of the overview map
        props2 = {"color": "127,0,0,127"}
        fillSymbol2 = QgsFillSymbolV2.createSimple(props2)
        mOverview.setOverviewFrameMapSymbol(fillSymbol2)

        # header label
        self.mLabel1 = QgsComposerLabel(self.mComposition)
        self.mComposition.addComposerLabel(self.mLabel1)
        self.mLabel1.setText("[% \"NAME_1\" %] area")
        self.mLabel1.setFont(QgsFontUtils.getStandardTestFont())
        self.mLabel1.adjustSizeToText()
        self.mLabel1.setSceneRect(QRectF(150, 5, 60, 15))

        qWarning(
            "header label font: %s exactMatch:%s" %
            (self.mLabel1.font().toString(), self.mLabel1.font().exactMatch()))

        # feature number label
        self.mLabel2 = QgsComposerLabel(self.mComposition)
        self.mComposition.addComposerLabel(self.mLabel2)
        self.mLabel2.setText("# [%$feature || ' / ' || $numfeatures%]")
        self.mLabel2.setFont(QgsFontUtils.getStandardTestFont())
        self.mLabel2.adjustSizeToText()
        self.mLabel2.setSceneRect(QRectF(150, 200, 60, 15))

        qWarning(
            "feature number label font: %s exactMatch:%s" %
            (self.mLabel2.font().toString(), self.mLabel2.font().exactMatch()))

        self.filename_test()
        self.autoscale_render_test()
        self.autoscale_render_test_old_api()
        self.fixedscale_render_test()
        self.predefinedscales_render_test()
        self.hidden_render_test()

        shutil.rmtree(tmppath, True)

    def filename_test(self):
        self.mAtlas.setFilenamePattern("'output_' || $feature")
        self.mAtlas.beginRender()
        for i in range(0, self.mAtlas.numFeatures()):
            self.mAtlas.prepareForFeature(i)
            expected = "output_%d" % (i + 1)
            assert self.mAtlas.currentFilename() == expected
        self.mAtlas.endRender()

    def autoscale_render_test(self):
        self.mAtlasMap.setAtlasDriven(True)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Auto)
        self.mAtlasMap.setAtlasMargin(0.10)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_autoscale%d' % (i + 1),
                                            self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

        self.mAtlasMap.setAtlasDriven(False)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlasMap.setAtlasMargin(0)

    def autoscale_render_test_old_api(self):
        self.mAtlas.setComposerMap(self.mAtlasMap)
        self.mAtlas.setFixedScale(False)
        self.mAtlas.setMargin(0.10)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker(
                'atlas_autoscale_old_api%d' % (i + 1), self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

        self.mAtlas.setFixedScale(True)
        self.mAtlas.setMargin(0)
        self.mAtlas.setComposerMap(None)
        self.mAtlasMap.setAtlasDriven(False)

    def fixedscale_render_test(self):
        self.mAtlasMap.setNewExtent(
            QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasDriven(True)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_fixedscale%d' % (i + 1),
                                            self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def predefinedscales_render_test(self):
        self.mAtlasMap.setNewExtent(
            QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasDriven(True)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Predefined)

        scales = [1800000, 5000000]
        self.mAtlas.setPredefinedScales(scales)
        for i, s in enumerate(self.mAtlas.predefinedScales()):
            assert s == scales[i]

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker(
                'atlas_predefinedscales%d' % (i + 1), self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def hidden_render_test(self):
        self.mAtlasMap.setNewExtent(
            QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlas.setHideCoverage(True)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_hiding%d' % (i + 1),
                                            self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def sorting_render_test(self):
        self.mAtlasMap.setNewExtent(
            QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlas.setHideCoverage(False)

        self.mAtlas.setSortFeatures(True)
        self.mAtlas.setSortKeyAttributeIndex(4)  # departement name
        self.mAtlas.setSortAscending(False)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_sorting%d' % (i + 1),
                                            self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def filtering_render_test(self):
        self.mAtlasMap.setNewExtent(
            QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlas.setHideCoverage(False)

        self.mAtlas.setSortFeatures(False)

        self.mAtlas.setFilterFeatures(True)
        self.mAtlas.setFeatureFilter(
            "substr(NAME_1,1,1)='P'")  # select only 'Pays de la loire'

        self.mAtlas.beginRender()

        for i in range(0, 1):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_filtering%d' % (i + 1),
                                            self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()
    def print_atlas(self,
                    project_path,
                    composer_name,
                    predefined_scales,
                    feature_filter=None,
                    page_name_expression=None):

        if not feature_filter:
            QgsMessageLog.logMessage(
                "atlasprint: NO feature_filter provided !")
            return None

        # Get composer from project
        # in QGIS 2, canno get composers without iface
        # so we reading project xml and extract composer
        # in QGIS 3.0, we will use  project layoutManager()
        from xml.etree import ElementTree as ET
        composer_xml = None
        with open(project_path, 'r') as f:
            tree = ET.parse(f)
            for elem in tree.findall('.//Composer[@title="%s"]' %
                                     composer_name):
                composer_xml = ET.tostring(elem, encoding='utf8', method='xml')

        if not composer_xml:
            QgsMessageLog.logMessage("atlasprint: Composer XML not parsed !")
            return None

        document = QDomDocument()
        document.setContent(composer_xml)

        # Get canvas, map setting & instantiate composition
        canvas = QgsMapCanvas()
        QgsProject.instance().read(QFileInfo(project_path))
        bridge = QgsLayerTreeMapCanvasBridge(
            QgsProject.instance().layerTreeRoot(), canvas)
        bridge.setCanvasLayers()
        ms = canvas.mapSettings()
        composition = QgsComposition(ms)

        # Load content from XML
        substitution_map = {}
        composition.loadFromTemplate(document, substitution_map)

        # Get atlas for this composition
        atlas = composition.atlasComposition()
        atlas.setEnabled(True)

        atlas_map = composition.getComposerMapById(0)
        atlas_map.setAtlasScalingMode(QgsComposerMap.Predefined)

        # get project scales
        atlas.setPredefinedScales(predefined_scales)
        atlas_map.setAtlasDriven(True)
        #atlas.setComposerMap(atlas_map)

        if page_name_expression:
            atlas.setPageNameExpression(page_name_expression)

        # Filter feature here to avoid QGIS looping through every feature when doing : composition.setAtlasMode(QgsComposition.ExportAtlas)
        coverageLayer = atlas.coverageLayer()

        # Filter by FID as QGIS cannot compile expressions with $id or other $ vars
        # which leads to bad perfs for big datasets
        useFid = None
        if '$id' in feature_filter:
            import re
            ids = map(int, re.findall(r'\d+', feature_filter))
            if len(ids) > 0:
                useFid = ids[0]
        if useFid:
            qReq = QgsFeatureRequest().setFilterFid(useFid)
        else:
            qReq = QgsFeatureRequest().setFilterExpression(feature_filter)

        # Change feature_filter in order to improve perfs
        pks = coverageLayer.dataProvider().pkAttributeIndexes()
        if useFid and len(pks) == 1:
            pk = coverageLayer.dataProvider().fields()[pks[0]].name()
            feature_filter = '"%s" IN (%s)' % (pk, useFid)
            QgsMessageLog.logMessage(
                "atlasprint: feature_filter changed into: %s" % feature_filter)
            qReq = QgsFeatureRequest().setFilterExpression(feature_filter)
        atlas.setFilterFeatures(True)
        atlas.setFeatureFilter(feature_filter)
        uid = uuid4()
        i = 0

        # Set Atlas mode
        composition.setAtlasMode(QgsComposition.ExportAtlas)
        atlas.beginRender()

        for feat in coverageLayer.getFeatures(qReq):
            atlas.prepareForFeature(feat)
            export_path = os.path.join(
                tempfile.gettempdir(),
                '%s_%s.pdf' % (atlas.nameForPage(i), uid))
            exported = composition.exportAsPDF(export_path)
            if not exported or not os.path.isfile(export_path):
                QgsMessageLog.logMessage(
                    "atlasprint: An error occured while exporting the atlas !")
                return None

            break

        atlas.endRender()

        if os.path.isfile(export_path):
            QgsMessageLog.logMessage("atlasprint: path generated %s" %
                                     export_path)
        return export_path
Exemple #8
0
# Load the report template
with open(template_file) as tf:
    template_content = tf.read()
template_document = QDomDocument()
template_document.setContent(template_content)
map_settings = iface.mapCanvas().mapSettings()
composition = QgsComposition(map_settings)
composition.loadFromTemplate(template_document)

# Set up atlas to produce one report per region
vector_layer = dataobjects.getObjectFromUri(vector)
atlas = composition.atlasComposition()
atlas.setCoverageLayer(vector_layer)
atlas.setEnabled(True)
composition.setAtlasMode(QgsComposition.ExportAtlas)

atlas_map = composition.getComposerItemById("atlas_map")
atlas_map.setAtlasDriven(True)
atlas_map.setLayerSet([vector_layer.id(), raster_layer.id()])
atlas_map.setKeepLayerSet(True)
atlas_legend = composition.getComposerItemById("atlas_legend")
raster_legend = atlas_legend.modelV2().rootGroup().addLayer(raster_layer)
QgsLegendRenderer.setNodeLegendStyle(raster_legend, QgsComposerLegendStyle.Hidden)
atlas_legend.updateLegend()
# atlas_legend.refreshLayerLegend(raster_legend)
stats_table = composition.getComposerItemById("stats_table").multiFrame()
stats_table.setContentMode(QgsComposerHtml.ManualHtml)
title_label = composition.getComposerItemById("title_label")
title_text = title_label.text()
description_label = composition.getComposerItemById("description_label")
class TestQgsAtlasComposition(unittest.TestCase):

    def testCase(self):
        self.TEST_DATA_DIR = unitTestDataPath()
        tmppath = tempfile.mkdtemp()
        for file in glob.glob(os.path.join(self.TEST_DATA_DIR, 'france_parts.*')):
            shutil.copy(os.path.join(self.TEST_DATA_DIR, file), tmppath)
        vectorFileInfo = QFileInfo(tmppath + "/france_parts.shp")
        mVectorLayer = QgsVectorLayer(vectorFileInfo.filePath(), vectorFileInfo.completeBaseName(), "ogr")

        QgsProject.instance().addMapLayers([mVectorLayer])
        self.layers = [mVectorLayer]

        # create composition with composer map

        # select epsg:2154
        crs = QgsCoordinateReferenceSystem()
        crs.createFromSrid(2154)
        QgsProject.instance().setCrs(crs)

        self.mComposition = QgsComposition(QgsProject.instance())
        self.mComposition.setPaperSize(297, 210)

        # fix the renderer, fill with green
        props = {"color": "0,127,0"}
        fillSymbol = QgsFillSymbol.createSimple(props)
        renderer = QgsSingleSymbolRenderer(fillSymbol)
        mVectorLayer.setRenderer(renderer)

        # the atlas map
        self.mAtlasMap = QgsComposerMap(self.mComposition, 20, 20, 130, 130)
        self.mAtlasMap.setFrameEnabled(True)
        self.mAtlasMap.setLayers([mVectorLayer])
        self.mComposition.addComposerMap(self.mAtlasMap)

        # the atlas
        self.mAtlas = self.mComposition.atlasComposition()
        self.mAtlas.setCoverageLayer(mVectorLayer)
        self.mAtlas.setEnabled(True)
        self.mComposition.setAtlasMode(QgsComposition.ExportAtlas)

        # an overview
        self.mOverview = QgsComposerMap(self.mComposition, 180, 20, 50, 50)
        self.mOverview.setFrameEnabled(True)
        self.mOverview.overview().setFrameMap(self.mAtlasMap.id())
        self.mOverview.setLayers([mVectorLayer])
        self.mComposition.addComposerMap(self.mOverview)
        nextent = QgsRectangle(49670.718, 6415139.086, 699672.519, 7065140.887)
        self.mOverview.setNewExtent(nextent)

        # set the fill symbol of the overview map
        props2 = {"color": "127,0,0,127"}
        fillSymbol2 = QgsFillSymbol.createSimple(props2)
        self.mOverview.overview().setFrameSymbol(fillSymbol2)

        # header label
        self.mLabel1 = QgsComposerLabel(self.mComposition)
        self.mComposition.addComposerLabel(self.mLabel1)
        self.mLabel1.setText("[% \"NAME_1\" %] area")
        self.mLabel1.setFont(QgsFontUtils.getStandardTestFont())
        self.mLabel1.adjustSizeToText()
        self.mLabel1.setSceneRect(QRectF(150, 5, 60, 15))

        qWarning(
            "header label font: %s exactMatch:%s" % (self.mLabel1.font().toString(), self.mLabel1.font().exactMatch()))

        # feature number label
        self.mLabel2 = QgsComposerLabel(self.mComposition)
        self.mComposition.addComposerLabel(self.mLabel2)
        self.mLabel2.setText("# [%@atlas_featurenumber || ' / ' || @atlas_totalfeatures%]")
        self.mLabel2.setFont(QgsFontUtils.getStandardTestFont())
        self.mLabel2.adjustSizeToText()
        self.mLabel2.setSceneRect(QRectF(150, 200, 60, 15))

        qWarning("feature number label font: %s exactMatch:%s" % (
                 self.mLabel2.font().toString(), self.mLabel2.font().exactMatch()))

        self.filename_test()
        self.autoscale_render_test()
        self.fixedscale_render_test()
        self.predefinedscales_render_test()
        self.hidden_render_test()
        self.legend_test()
        self.rotation_test()

        shutil.rmtree(tmppath, True)

    def filename_test(self):
        self.mAtlas.setFilenamePattern("'output_' || @atlas_featurenumber")
        self.mAtlas.beginRender()
        for i in range(0, self.mAtlas.numFeatures()):
            self.mAtlas.prepareForFeature(i)
            expected = "output_%d" % (i + 1)
            self.assertEqual(self.mAtlas.currentFilename(), expected)
        self.mAtlas.endRender()

    def autoscale_render_test(self):
        self.mAtlasMap.setAtlasDriven(True)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Auto)
        self.mAtlasMap.setAtlasMargin(0.10)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_autoscale%d' % (i + 1), self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

        self.mAtlasMap.setAtlasDriven(False)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlasMap.setAtlasMargin(0)

    def fixedscale_render_test(self):
        self.mAtlasMap.setNewExtent(QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasDriven(True)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_fixedscale%d' % (i + 1), self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def predefinedscales_render_test(self):
        self.mAtlasMap.setNewExtent(QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasDriven(True)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Predefined)

        scales = [1800000, 5000000]
        self.mAtlas.setPredefinedScales(scales)
        for i, s in enumerate(self.mAtlas.predefinedScales()):
            assert s == scales[i]

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_predefinedscales%d' % (i + 1), self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def hidden_render_test(self):
        self.mAtlasMap.setNewExtent(QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlas.setHideCoverage(True)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_hiding%d' % (i + 1), self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

        self.mAtlas.setHideCoverage(False)

    def sorting_render_test(self):
        self.mAtlasMap.setNewExtent(QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlas.setHideCoverage(False)

        self.mAtlas.setSortFeatures(True)
        self.mAtlas.setSortKeyAttributeIndex(4)  # departement name
        self.mAtlas.setSortAscending(False)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_sorting%d' % (i + 1), self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def filtering_render_test(self):
        self.mAtlasMap.setNewExtent(QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlas.setHideCoverage(False)

        self.mAtlas.setSortFeatures(False)

        self.mAtlas.setFilterFeatures(True)
        self.mAtlas.setFeatureFilter("substr(NAME_1,1,1)='P'")  # select only 'Pays de la loire'

        self.mAtlas.beginRender()

        for i in range(0, 1):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_filtering%d' % (i + 1), self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def legend_test(self):
        self.mAtlasMap.setAtlasDriven(True)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Auto)
        self.mAtlasMap.setAtlasMargin(0.10)

        # add a point layer
        ptLayer = QgsVectorLayer("Point?crs=epsg:4326&field=attr:int(1)&field=label:string(20)", "points", "memory")

        pr = ptLayer.dataProvider()
        f1 = QgsFeature(1)
        f1.initAttributes(2)
        f1.setAttribute(0, 1)
        f1.setAttribute(1, "Test label 1")
        f1.setGeometry(QgsGeometry.fromPoint(QgsPointXY(-0.638, 48.954)))
        f2 = QgsFeature(2)
        f2.initAttributes(2)
        f2.setAttribute(0, 2)
        f2.setAttribute(1, "Test label 2")
        f2.setGeometry(QgsGeometry.fromPoint(QgsPointXY(-1.682, 48.550)))
        pr.addFeatures([f1, f2])

        # categorized symbology
        r = QgsCategorizedSymbolRenderer("attr", [QgsRendererCategory(1, QgsMarkerSymbol.createSimple({"color": "255,0,0"}), "red"),
                                                  QgsRendererCategory(2, QgsMarkerSymbol.createSimple({"color": "0,0,255"}), "blue")])
        ptLayer.setRenderer(r)

        QgsProject.instance().addMapLayer(ptLayer)

        # add the point layer to the map settings
        layers = self.layers
        layers = [ptLayer] + layers
        self.mAtlasMap.setLayers(layers)
        self.mOverview.setLayers(layers)

        # add a legend
        legend = QgsComposerLegend(self.mComposition)
        legend.moveBy(200, 100)
        # sets the legend filter parameter
        legend.setComposerMap(self.mAtlasMap)
        legend.setLegendFilterOutAtlas(True)
        self.mComposition.addComposerLegend(legend)

        self.mAtlas.beginRender()

        self.mAtlas.prepareForFeature(0)
        self.mLabel1.adjustSizeToText()

        checker = QgsCompositionChecker('atlas_legend', self.mComposition)
        myTestResult, myMessage = checker.testComposition()
        assert myTestResult

        self.mAtlas.endRender()

        # restore state
        self.mAtlasMap.setLayers([layers[1]])
        self.mComposition.removeComposerItem(legend)
        QgsProject.instance().removeMapLayer(ptLayer.id())

    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.pendingFields())
        points = [(10, 15), (15, 10), (45, 40), (40, 45)]
        poly.setGeometry(QgsGeometry.fromPolygon([[QgsPointXY(x[0], x[1]) for x in points]]))
        polygonLayer.dataProvider().addFeatures([poly])
        QgsProject.instance().addMapLayer(polygonLayer)

        # Recreating the composer locally
        composition = QgsComposition(QgsProject.instance())
        composition.setPaperSize(297, 210)

        # the atlas map
        atlasMap = QgsComposerMap(composition, 20, 20, 130, 130)
        atlasMap.setFrameEnabled(True)
        atlasMap.setLayers([polygonLayer])
        atlasMap.setNewExtent(QgsRectangle(0, 0, 100, 50))
        composition.addComposerMap(atlasMap)

        # the atlas
        atlas = composition.atlasComposition()
        atlas.setCoverageLayer(polygonLayer)
        atlas.setEnabled(True)
        composition.setAtlasMode(QgsComposition.ExportAtlas)

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

        # Testing
        atlasMap.setMapRotation(0.0)
        atlas.firstFeature()
        nonRotatedExtent = QgsRectangle(atlasMap.currentMapExtent())

        atlasMap.setMapRotation(45.0)
        atlas.firstFeature()
        rotatedExtent = QgsRectangle(atlasMap.currentMapExtent())

        assert rotatedExtent.width() < nonRotatedExtent.width() * 0.9
        assert rotatedExtent.height() < nonRotatedExtent.height() * 0.9

        QgsProject.instance().removeMapLayer(polygonLayer)
Exemple #10
0
    def exportToPdf(self, print_context, targetFile=None):
        self.iface.mapCanvas().setDestinationCrs(
            self.settings_instance.projection.crs())
        myComposition = QgsComposition(self.iface.mapCanvas().mapSettings())
        template = self.env.get_template(print_context['template'])

        custom_qpt = template.render(CONTEXT=print_context)
        myDocument = QDomDocument()
        myDocument.setContent(custom_qpt)
        myComposition.loadFromTemplate(myDocument)

        suggestedFile = os.path.join(
            self.settings_instance.projectFolderPath.text(),
            print_context['title'] + ".pdf")
        if not targetFile:
            targetFile = QFileDialog.getSaveFileName(
                None, "Export " + print_context['job'], suggestedFile, "*.pdf")
            interactive = True
            if not targetFile:
                return
        else:
            interactive = None

        outputDir = tempfile.gettempdir()

        with open(os.path.join(targetFile + '.qpt'), "wb") as qpt_file:
            qpt_file.write(custom_qpt)

        if print_context['type'] == 'report':
            myComposition.exportAsPDF(targetFile)

        elif print_context['type'] == 'map':
            print myComposition.getComposerMapById(0)
            print myComposition.getComposerItemById('5')

            for composer_map in myComposition.composerMapItems():
                print composer_map, composer_map.id()

            fdtm_extent = None
            for layer in [
                    self.settings_instance.EPpLayer,
                    self.settings_instance.EApLayer,
                    self.settings_instance.WRLayer,
                    self.settings_instance.WDSLayer
            ]:
                if layer.featureCount() > 0:
                    if fdtm_extent:
                        fdtm_extent.combineExtentWith(layer.extent())
                    else:
                        fdtm_extent = layer.extent()
            fdtm_extent.scale(1.1)
            composer_map.zoomToExtent(fdtm_extent)
            composer_map.updateItem()
            myComposition.refreshItems()

            myComposition.exportAsPDF(targetFile)

        elif print_context['type'] == 'mapppp':
            print print_context
            myComposition = QgsComposition(
                self.iface.mapCanvas().mapSettings())
            myComposition.setPlotStyle(QgsComposition.Print)
            myComposition.setPaperSize(297, 210)
            composer_map = QgsComposerMap(myComposition, 10, 10, 190, 190)
            fdtm_extent = self.settings_instance.EPpLayer.extent()
            for layer in [
                    self.settings_instance.EApLayer,
                    self.settings_instance.WRLayer,
                    self.settings_instance.WDSLayer
            ]:
                fdtm_extent.combineExtentWith(layer.extent())
            composer_map.zoomToExtent(fdtm_extent)
            composer_map.updateItem()
            myComposition.addItem(composer_map)

            table = QgsComposerAttributeTable(myComposition)
            table.setItemPosition(205, 170)
            table.setVectorLayer(QgsMapLayerRegistry.instance().mapLayer(
                print_context['id']))
            table.setMaximumNumberOfFeatures(20)
            table.setFilterFeatures(True)
            col1 = QgsComposerTableColumn()
            col1.setAttribute('types')
            col1.setHeading("types")
            col2 = QgsComposerTableColumn()
            col2.setAttribute('project units')
            col2.setHeading("project units")
            col3 = QgsComposerTableColumn()
            col3.setAttribute('Areas')
            col3.setHeading("Areas")
            col4 = QgsComposerTableColumn()
            col4.setAttribute('Lengths')
            col4.setHeading("Lengths")
            col5 = QgsComposerTableColumn()
            col5.setAttribute('Cost')
            col5.setHeading("Cost")
            table.setColumns([col1, col2, col3, col4, col5])
            myComposition.addItem(table)

            myComposition.exportAsPDF(targetFile)

        elif print_context['type'] == 'atlas':

            myComposition.setAtlasMode(QgsComposition.ExportAtlas)
            for composer_map in myComposition.composerMapItems():
                print composer_map, composer_map.id()

            atlas = myComposition.atlasComposition()
            atlas.setComposerMap(composer_map)  #DEPRECATED
            atlas.setPredefinedScales(self.PREDEFINED_SCALES)
            composer_map.setAtlasDriven(True)
            composer_map.setAtlasScalingMode(QgsComposerMap.Predefined)

            atlas.beginRender()
            rendered_pdf = []
            progress = progressBar(self, "exporting " + print_context['job'],
                                   atlas.numFeatures())
            for i in range(0, atlas.numFeatures()):
                atlas.prepareForFeature(i)
                current_filename = atlas.currentFilename()
                file_name = '_'.join(current_filename.split())
                file_path = '%s.pdf' % file_name
                path = os.path.join(outputDir, file_path)
                myComposition.exportAsPDF(path)
                rendered_pdf.append(path)
                progress.setStep(i)
            progress.stop(print_context['job'] + "exported to " + targetFile)
            atlas.endRender()

            merge_pdfs(rendered_pdf, targetFile)

        if interactive:
            open_file(targetFile)

        return targetFile
    def print_atlas(self,
                    project_path,
                    composer_name,
                    predefined_scales,
                    feature_filter=None,
                    page_name_expression=None):

        # Get composer from project
        # in QGIS 2, canno get composers without iface
        # so we reading project xml and extract composer
        # in QGIS 3.0, we will use  project layoutManager()
        from xml.etree import ElementTree as ET
        composer_xml = None
        with open(project_path, 'r') as f:
            tree = ET.parse(f)
            for elem in tree.findall('.//Composer[@title="%s"]' %
                                     composer_name):
                composer_xml = ET.tostring(elem, encoding='utf8', method='xml')

        if not composer_xml:
            return

        document = QDomDocument()
        document.setContent(composer_xml)

        # Get canvas, map setting & instantiate composition
        canvas = QgsMapCanvas()
        QgsProject.instance().read(QFileInfo(project_path))
        bridge = QgsLayerTreeMapCanvasBridge(
            QgsProject.instance().layerTreeRoot(), canvas)
        bridge.setCanvasLayers()
        ms = canvas.mapSettings()
        composition = QgsComposition(ms)

        # Load content from XML
        substitution_map = {}
        composition.loadFromTemplate(document, substitution_map)

        # Get atlas for this composition
        atlas = composition.atlasComposition()
        atlas.setEnabled(True)
        atlas_map = composition.getComposerMapById(0)
        atlas_map.setAtlasScalingMode(QgsComposerMap.Predefined)

        # get project scales
        atlas.setPredefinedScales(predefined_scales)
        atlas.setComposerMap(atlas_map)

        #on definit le filtre
        if feature_filter:
            atlas.setFilterFeatures(True)
            atlas.setFeatureFilter(feature_filter)
        if page_name_expression:
            atlas.setPageNameExpression(page_name_expression)

        # Set atlas mode
        composition.setAtlasMode(QgsComposition.ExportAtlas)

        # Generate atlas
        atlas.beginRender()
        uid = uuid4()
        for i in range(0, atlas.numFeatures()):
            atlas.prepareForFeature(i)
            export_path = os.path.join(
                tempfile.gettempdir(),
                '%s_%s.pdf' % (atlas.nameForPage(i), uid))
            exported = composition.exportAsPDF(export_path)
            if not exported or not os.path.isfile(export_path):
                return None
            break

        atlas.endRender()

        return export_path
Exemple #12
0
class TestQgsAtlasComposition(unittest.TestCase):
    def testCase(self):
        self.TEST_DATA_DIR = unitTestDataPath()
        tmppath = tempfile.mkdtemp()
        for file in glob.glob(
                os.path.join(self.TEST_DATA_DIR, 'france_parts.*')):
            shutil.copy(os.path.join(self.TEST_DATA_DIR, file), tmppath)
        vectorFileInfo = QFileInfo(tmppath + "/france_parts.shp")
        mVectorLayer = QgsVectorLayer(vectorFileInfo.filePath(),
                                      vectorFileInfo.completeBaseName(), "ogr")

        QgsProject.instance().addMapLayers([mVectorLayer])
        self.layers = [mVectorLayer]

        # create composition with composer map

        # select epsg:2154
        crs = QgsCoordinateReferenceSystem()
        crs.createFromSrid(2154)
        QgsProject.instance().setCrs(crs)

        self.mComposition = QgsComposition(QgsProject.instance())
        self.mComposition.setPaperSize(297, 210)

        # fix the renderer, fill with green
        props = {"color": "0,127,0"}
        fillSymbol = QgsFillSymbol.createSimple(props)
        renderer = QgsSingleSymbolRenderer(fillSymbol)
        mVectorLayer.setRenderer(renderer)

        # the atlas map
        self.mAtlasMap = QgsComposerMap(self.mComposition, 20, 20, 130, 130)
        self.mAtlasMap.setFrameEnabled(True)
        self.mAtlasMap.setLayers([mVectorLayer])
        self.mComposition.addComposerMap(self.mAtlasMap)

        # the atlas
        self.mAtlas = self.mComposition.atlasComposition()
        self.mAtlas.setCoverageLayer(mVectorLayer)
        self.mAtlas.setEnabled(True)
        self.mComposition.setAtlasMode(QgsComposition.ExportAtlas)

        # an overview
        self.mOverview = QgsComposerMap(self.mComposition, 180, 20, 50, 50)
        self.mOverview.setFrameEnabled(True)
        self.mOverview.overview().setFrameMap(self.mAtlasMap.id())
        self.mOverview.setLayers([mVectorLayer])
        self.mComposition.addComposerMap(self.mOverview)
        nextent = QgsRectangle(49670.718, 6415139.086, 699672.519, 7065140.887)
        self.mOverview.setNewExtent(nextent)

        # set the fill symbol of the overview map
        props2 = {"color": "127,0,0,127"}
        fillSymbol2 = QgsFillSymbol.createSimple(props2)
        self.mOverview.overview().setFrameSymbol(fillSymbol2)

        # header label
        self.mLabel1 = QgsComposerLabel(self.mComposition)
        self.mComposition.addComposerLabel(self.mLabel1)
        self.mLabel1.setText("[% \"NAME_1\" %] area")
        self.mLabel1.setFont(QgsFontUtils.getStandardTestFont())
        self.mLabel1.adjustSizeToText()
        self.mLabel1.setSceneRect(QRectF(150, 5, 60, 15))

        qWarning(
            "header label font: %s exactMatch:%s" %
            (self.mLabel1.font().toString(), self.mLabel1.font().exactMatch()))

        # feature number label
        self.mLabel2 = QgsComposerLabel(self.mComposition)
        self.mComposition.addComposerLabel(self.mLabel2)
        self.mLabel2.setText(
            "# [%@atlas_featurenumber || ' / ' || @atlas_totalfeatures%]")
        self.mLabel2.setFont(QgsFontUtils.getStandardTestFont())
        self.mLabel2.adjustSizeToText()
        self.mLabel2.setSceneRect(QRectF(150, 200, 60, 15))

        qWarning(
            "feature number label font: %s exactMatch:%s" %
            (self.mLabel2.font().toString(), self.mLabel2.font().exactMatch()))

        self.filename_test()
        self.autoscale_render_test()
        self.fixedscale_render_test()
        self.predefinedscales_render_test()
        self.hidden_render_test()
        self.legend_test()
        self.rotation_test()

        shutil.rmtree(tmppath, True)

    def filename_test(self):
        self.mAtlas.setFilenamePattern("'output_' || @atlas_featurenumber")
        self.mAtlas.beginRender()
        for i in range(0, self.mAtlas.numFeatures()):
            self.mAtlas.prepareForFeature(i)
            expected = "output_%d" % (i + 1)
            self.assertEqual(self.mAtlas.currentFilename(), expected)
        self.mAtlas.endRender()

    def autoscale_render_test(self):
        self.mAtlasMap.setAtlasDriven(True)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Auto)
        self.mAtlasMap.setAtlasMargin(0.10)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_autoscale%d' % (i + 1),
                                            self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

        self.mAtlasMap.setAtlasDriven(False)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlasMap.setAtlasMargin(0)

    def fixedscale_render_test(self):
        self.mAtlasMap.setNewExtent(
            QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasDriven(True)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_fixedscale%d' % (i + 1),
                                            self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def predefinedscales_render_test(self):
        self.mAtlasMap.setNewExtent(
            QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasDriven(True)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Predefined)

        scales = [1800000, 5000000]
        self.mAtlas.setPredefinedScales(scales)
        for i, s in enumerate(self.mAtlas.predefinedScales()):
            assert s == scales[i]

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker(
                'atlas_predefinedscales%d' % (i + 1), self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def hidden_render_test(self):
        self.mAtlasMap.setNewExtent(
            QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlas.setHideCoverage(True)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_hiding%d' % (i + 1),
                                            self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

        self.mAtlas.setHideCoverage(False)

    def sorting_render_test(self):
        self.mAtlasMap.setNewExtent(
            QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlas.setHideCoverage(False)

        self.mAtlas.setSortFeatures(True)
        self.mAtlas.setSortKeyAttributeIndex(4)  # departement name
        self.mAtlas.setSortAscending(False)

        self.mAtlas.beginRender()

        for i in range(0, 2):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_sorting%d' % (i + 1),
                                            self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def filtering_render_test(self):
        self.mAtlasMap.setNewExtent(
            QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620))
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed)
        self.mAtlas.setHideCoverage(False)

        self.mAtlas.setSortFeatures(False)

        self.mAtlas.setFilterFeatures(True)
        self.mAtlas.setFeatureFilter(
            "substr(NAME_1,1,1)='P'")  # select only 'Pays de la loire'

        self.mAtlas.beginRender()

        for i in range(0, 1):
            self.mAtlas.prepareForFeature(i)
            self.mLabel1.adjustSizeToText()

            checker = QgsCompositionChecker('atlas_filtering%d' % (i + 1),
                                            self.mComposition)
            checker.setControlPathPrefix("atlas")
            myTestResult, myMessage = checker.testComposition(0, 200)

            assert myTestResult
        self.mAtlas.endRender()

    def legend_test(self):
        self.mAtlasMap.setAtlasDriven(True)
        self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Auto)
        self.mAtlasMap.setAtlasMargin(0.10)

        # add a point layer
        ptLayer = QgsVectorLayer(
            "Point?crs=epsg:4326&field=attr:int(1)&field=label:string(20)",
            "points", "memory")

        pr = ptLayer.dataProvider()
        f1 = QgsFeature(1)
        f1.initAttributes(2)
        f1.setAttribute(0, 1)
        f1.setAttribute(1, "Test label 1")
        f1.setGeometry(QgsGeometry.fromPointXY(QgsPointXY(-0.638, 48.954)))
        f2 = QgsFeature(2)
        f2.initAttributes(2)
        f2.setAttribute(0, 2)
        f2.setAttribute(1, "Test label 2")
        f2.setGeometry(QgsGeometry.fromPointXY(QgsPointXY(-1.682, 48.550)))
        pr.addFeatures([f1, f2])

        # categorized symbology
        r = QgsCategorizedSymbolRenderer("attr", [
            QgsRendererCategory(
                1, QgsMarkerSymbol.createSimple({"color": "255,0,0"}), "red"),
            QgsRendererCategory(
                2, QgsMarkerSymbol.createSimple({"color": "0,0,255"}), "blue")
        ])
        ptLayer.setRenderer(r)

        QgsProject.instance().addMapLayer(ptLayer)

        # add the point layer to the map settings
        layers = self.layers
        layers = [ptLayer] + layers
        self.mAtlasMap.setLayers(layers)
        self.mOverview.setLayers(layers)

        # add a legend
        legend = QgsComposerLegend(self.mComposition)
        legend.moveBy(200, 100)
        # sets the legend filter parameter
        legend.setComposerMap(self.mAtlasMap)
        legend.setLegendFilterOutAtlas(True)
        self.mComposition.addComposerLegend(legend)

        self.mAtlas.beginRender()

        self.mAtlas.prepareForFeature(0)
        self.mLabel1.adjustSizeToText()

        checker = QgsCompositionChecker('atlas_legend', self.mComposition)
        myTestResult, myMessage = checker.testComposition()
        assert myTestResult

        self.mAtlas.endRender()

        # restore state
        self.mAtlasMap.setLayers([layers[1]])
        self.mComposition.removeComposerItem(legend)
        QgsProject.instance().removeMapLayer(ptLayer.id())

    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.pendingFields())
        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 composer locally
        composition = QgsComposition(QgsProject.instance())
        composition.setPaperSize(297, 210)

        # the atlas map
        atlasMap = QgsComposerMap(composition, 20, 20, 130, 130)
        atlasMap.setFrameEnabled(True)
        atlasMap.setLayers([polygonLayer])
        atlasMap.setNewExtent(QgsRectangle(0, 0, 100, 50))
        composition.addComposerMap(atlasMap)

        # the atlas
        atlas = composition.atlasComposition()
        atlas.setCoverageLayer(polygonLayer)
        atlas.setEnabled(True)
        composition.setAtlasMode(QgsComposition.ExportAtlas)

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

        # Testing
        atlasMap.setMapRotation(0.0)
        atlas.firstFeature()
        nonRotatedExtent = QgsRectangle(atlasMap.currentMapExtent())

        atlasMap.setMapRotation(45.0)
        atlas.firstFeature()
        rotatedExtent = QgsRectangle(atlasMap.currentMapExtent())

        assert rotatedExtent.width() < nonRotatedExtent.width() * 0.9
        assert rotatedExtent.height() < nonRotatedExtent.height() * 0.9

        QgsProject.instance().removeMapLayer(polygonLayer)