Python core.QgsTextAnnotation类代码示例

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本文整理汇总了Python中qgis.core.QgsTextAnnotation类的典型用法代码示例。如果您正苦于以下问题：Python QgsTextAnnotation类的具体用法？Python QgsTextAnnotation怎么用？Python QgsTextAnnotation使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了QgsTextAnnotation类的10个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Python代码示例。

示例1: testVisibility

    def testVisibility(self):
        """ test that map canvas annotation item visibility follows layer"""
        a = QgsTextAnnotation()
        canvas = QgsMapCanvas()
        i = QgsMapCanvasAnnotationItem(a, canvas)

        self.assertTrue(i.isVisible())

        layer = QgsVectorLayer("Point?crs=EPSG:3111&field=fldtxt:string",
                               'test', "memory")
        a.setMapLayer(layer)
        self.assertFalse(i.isVisible())
        canvas.setLayers([layer])
        self.assertTrue(i.isVisible())

开发者ID:m-kuhn，项目名称:QGIS，代码行数:14，代码来源:test_qgsmapcanvasannotationitem.py

示例2: testFillSymbol

 def testFillSymbol(self):
     """ test rendering an annotation with fill symbol"""
     a = QgsTextAnnotation()
     a.setFrameSize(QSizeF(400, 250))
     a.setHasFixedMapPosition(False)
     a.setFillSymbol(QgsFillSymbol.createSimple({'color': 'blue', 'width_border': '5', 'outline_color': 'black'}))
     im = self.renderAnnotation(a, QPointF(20, 30))
     self.assertTrue(self.imageCheck('annotation_fillstyle', 'annotation_fillstyle', im))

开发者ID:mbernasocchi，项目名称:QGIS，代码行数:8，代码来源:test_qgsannotation.py

示例3: testTextAnnotation

 def testTextAnnotation(self):
     """ test rendering a text annotation"""
     a = QgsTextAnnotation()
     a.setFrameSize(QSizeF(300, 200))
     a.setFrameOffsetFromReferencePoint(QPointF(40, 50))
     doc = QTextDocument()
     doc.setHtml('<p style="font-family: arial; font-weight: bold; font-size: 40px;">test annotation</p>')
     a.setDocument(doc)
     im = self.renderAnnotation(a, QPointF(20, 30))
     self.assertTrue(self.imageCheck('text_annotation', 'text_annotation', im))

开发者ID:wongjimsan，项目名称:QGIS，代码行数:10，代码来源:test_qgsannotation.py

示例4: testSize

    def testSize(self):
        """ test that map canvas annotation item size is correct """
        a = QgsTextAnnotation()
        a.setFrameSizeMm(QSizeF(300 / 3.7795275, 200 / 3.7795275))
        a.setHasFixedMapPosition(False)
        a.setFillSymbol(QgsFillSymbol.createSimple({'color': 'blue', 'width_border': '0'}))

        canvas = QgsMapCanvas()
        canvas.setDestinationCrs(QgsCoordinateReferenceSystem(4326))
        canvas.setFrameStyle(0)
        canvas.resize(600, 400)
        canvas.show()

        canvas.setExtent(QgsRectangle(10, 30, 20, 35))

        i = QgsMapCanvasAnnotationItem(a, canvas)
        # ugly, but Travis has different default DPI:
        if 299 < i.boundingRect().width() < 301:
            self.assertAlmostEqual(i.boundingRect().width(), 300, 1)
            self.assertAlmostEqual(i.boundingRect().height(), 200, 1)

            a.setHasFixedMapPosition(True)
            a.setFrameOffsetFromReferencePoint(QPointF(0, 0))
            self.assertAlmostEqual(i.boundingRect().width(), 300, -1)
            self.assertAlmostEqual(i.boundingRect().height(), 200, -1)
            a.setFrameOffsetFromReferencePoint(QPointF(10, 20))
            self.assertAlmostEqual(i.boundingRect().width(), 310, -1)
            self.assertAlmostEqual(i.boundingRect().height(), 220, -1)
        else:
            self.assertAlmostEqual(i.boundingRect().width(), 312.5, 1)
            self.assertAlmostEqual(i.boundingRect().height(), 208.33, 1)

            a.setHasFixedMapPosition(True)
            a.setFrameOffsetFromReferencePoint(QPointF(0, 0))
            self.assertAlmostEqual(i.boundingRect().width(), 312.5, -1)
            self.assertAlmostEqual(i.boundingRect().height(), 208.33, -1)
            a.setFrameOffsetFromReferencePoint(QPointF(10, 20))
            self.assertAlmostEqual(i.boundingRect().width(), 322.91, -1)
            self.assertAlmostEqual(i.boundingRect().height(), 229.166, -1)

开发者ID:m-kuhn，项目名称:QGIS，代码行数:39，代码来源:test_qgsmapcanvasannotationitem.py

示例5: testPosition

    def testPosition(self):
        """ test that map canvas annotation item syncs position correctly """
        a = QgsTextAnnotation()
        a.setFrameSizeMm(QSizeF(300 / 3.7795275, 200 / 3.7795275))
        a.setFrameOffsetFromReferencePointMm(QPointF(40 / 3.7795275, 50 / 3.7795275))
        a.setMapPosition(QgsPointXY(12, 34))
        a.setMapPositionCrs(QgsCoordinateReferenceSystem(4326))

        canvas = QgsMapCanvas()
        canvas.setDestinationCrs(QgsCoordinateReferenceSystem(4326))
        canvas.setFrameStyle(0)
        canvas.resize(600, 400)
        canvas.show()

        canvas.setExtent(QgsRectangle(10, 30, 20, 35))

        i = QgsMapCanvasAnnotationItem(a, canvas)
        self.assertEqual(canvas.width(), 600)
        self.assertEqual(canvas.height(), 400)

        # test that correct initial position is set
        self.assertAlmostEqual(i.pos().x(), 120, 1)
        self.assertAlmostEqual(i.pos().y(), 110, 1)

        # shift annotation map position, check that item is moved
        a.setMapPosition(QgsPointXY(14, 32))
        self.assertAlmostEqual(i.pos().x(), 240, 1)
        self.assertAlmostEqual(i.pos().y(), 230, 1)

        # check relative position
        a.setHasFixedMapPosition(False)
        a.setRelativePosition(QPointF(0.8, 0.4))
        self.assertAlmostEqual(i.pos().x(), 480, 1)
        self.assertAlmostEqual(i.pos().y(), 160, 1)

        # flicking between relative and fixed position
        a.setHasFixedMapPosition(True)
        self.assertAlmostEqual(i.pos().x(), 240, 1)
        self.assertAlmostEqual(i.pos().y(), 230, 1)
        a.setHasFixedMapPosition(False)
        self.assertAlmostEqual(i.pos().x(), 480, 1)
        self.assertAlmostEqual(i.pos().y(), 160, 1)

开发者ID:m-kuhn，项目名称:QGIS，代码行数:42，代码来源:test_qgsmapcanvasannotationitem.py

示例6: testSettingFeature

    def testSettingFeature(self):
        """ test that feature is set when item moves """
        a = QgsTextAnnotation()
        a.setFrameSizeMm(QSizeF(300 / 3.7795275, 200 / 3.7795275))
        a.setFrameOffsetFromReferencePointMm(QPointF(40 / 3.7795275, 50 / 3.7795275))
        a.setHasFixedMapPosition(True)
        a.setMapPosition(QgsPointXY(12, 34))
        a.setMapPositionCrs(QgsCoordinateReferenceSystem(4326))

        canvas = QgsMapCanvas()
        canvas.setDestinationCrs(QgsCoordinateReferenceSystem(4326))
        canvas.setFrameStyle(0)
        canvas.resize(600, 400)

        canvas.setExtent(QgsRectangle(10, 30, 20, 35))

        i = QgsMapCanvasAnnotationItem(a, canvas)  # NOQA

        layer = QgsVectorLayer("Point?crs=EPSG:4326&field=station:string&field=suburb:string",
                               'test', "memory")
        canvas.setLayers([layer])
        f = QgsFeature(layer.fields())
        f.setGeometry(QgsGeometry.fromPointXY(QgsPointXY(14, 31)))
        f.setValid(True)
        f.setAttributes(['hurstbridge', 'somewhere'])
        self.assertTrue(layer.dataProvider().addFeatures([f]))
        a.setMapLayer(layer)
        self.assertFalse(a.associatedFeature().isValid())

        a.setMapPosition(QgsPointXY(14, 31))
        self.assertTrue(a.associatedFeature().isValid())
        self.assertEqual(a.associatedFeature().attributes()[0], 'hurstbridge')

        a.setMapPosition(QgsPointXY(17, 31))
        self.assertFalse(a.associatedFeature().isValid())

开发者ID:m-kuhn，项目名称:QGIS，代码行数:35，代码来源:test_qgsmapcanvasannotationitem.py

示例7: testTextAnnotation

    def testTextAnnotation(self):
        """ test rendering a text annotation"""
        a = QgsTextAnnotation()
        a.fillSymbol().symbolLayer(0).setStrokeColor(QColor(0, 0, 0))
        a.markerSymbol().symbolLayer(0).setStrokeColor(QColor(0, 0, 0))
        a.setFrameSize(QSizeF(300, 200))
        a.setFrameOffsetFromReferencePoint(QPointF(40, 50))
        doc = QTextDocument()
        doc.setHtml('<p style="font-family: arial; font-weight: bold; font-size: 40px;">test annotation</p>')
        a.setDocument(doc)
        im = self.renderAnnotation(a, QPointF(20, 30))
        self.assertTrue(self.imageCheck('text_annotation', 'text_annotation', im))

        # check clone
        clone = a.clone()
        im = self.renderAnnotation(a, QPointF(20, 30))
        self.assertTrue(self.imageCheck('text_annotation', 'text_annotation', im))

开发者ID:mbernasocchi，项目名称:QGIS，代码行数:17，代码来源:test_qgsannotation.py

示例8: testSize

    def testSize(self):
        """ test that map canvas annotation item size is correct """
        a = QgsTextAnnotation()
        a.setFrameSize(QSizeF(300, 200))
        a.setHasFixedMapPosition(False)
        a.setFillSymbol(QgsFillSymbol.createSimple({'color': 'blue', 'width_border': '0'}))

        canvas = QgsMapCanvas()
        canvas.setDestinationCrs(QgsCoordinateReferenceSystem(4326))
        canvas.setFrameStyle(0)
        canvas.resize(600, 400)
        canvas.show()

        canvas.setExtent(QgsRectangle(10, 30, 20, 35))

        i = QgsMapCanvasAnnotationItem(a, canvas)
        self.assertAlmostEqual(i.boundingRect().width(), 300, 1)
        self.assertAlmostEqual(i.boundingRect().height(), 200, 1)

        a.setHasFixedMapPosition(True)
        a.setFrameOffsetFromReferencePoint(QPointF(0, 0))
        self.assertAlmostEqual(i.boundingRect().width(), 300, -1)
        self.assertAlmostEqual(i.boundingRect().height(), 200, -1)
        a.setFrameOffsetFromReferencePoint(QPointF(10, 20))
        self.assertAlmostEqual(i.boundingRect().width(), 310, -1)
        self.assertAlmostEqual(i.boundingRect().height(), 220, -1)

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

示例9: drawCostPaths

    def drawCostPaths(self, rows, con, args, geomType, canvasItemList, mapCanvas):
        resultPathsRubberBands = canvasItemList['paths']
        rubberBand = None
        cur_path_id = -1
        for row in rows:
            cur2 = con.cursor()
            args['result_path_id'] = row[0]
            args['result_source_id'] = sql.Literal(row[1])
            args['result_target_id'] = sql.Literal(row[2])
            args['result_cost'] = row[3]
            if args['result_path_id'] != cur_path_id:
                cur_path_id = args['result_path_id']
                if rubberBand:
                    resultPathsRubberBands.append(rubberBand)
                    rubberBand = None

                rubberBand = QgsRubberBand(mapCanvas, Utils.getRubberBandType(False))
                rubberBand.setColor(QColor(255, 0, 0, 128))
                rubberBand.setWidth(4)
            if args['result_cost'] != -1:
                query2 = sql.SQL("""
                    SELECT ST_AsText( ST_MakeLine(
                        (SELECT {geometry_vt} FROM  {vertex_schema}.{vertex_table} WHERE id = {result_source_id}),
                        (SELECT {geometry_vt} FROM  {vertex_schema}.{vertex_table} WHERE id = {result_target_id})
                        ))
                    """).format(**args)
                # Utils.logMessage(query2)
                cur2.execute(query2)
                row2 = cur2.fetchone()
                # Utils.logMessage(str(row2[0]))

                geom = QgsGeometry().fromWkt(str(row2[0]))
                if geom.wkbType() == QgsWkbTypes.MultiLineString:
                    for line in geom.asMultiPolyline():
                        for pt in line:
                            rubberBand.addPoint(pt)
                elif geom.wkbType() == QgsWkbTypes.LineString:
                    for pt in geom.asPolyline():
                        rubberBand.addPoint(pt)

        # TODO label the edge instead of labeling the target points
        if rubberBand:
            resultPathsRubberBands.append(rubberBand)
            rubberBand = None
        resultNodesTextAnnotations = canvasItemList['annotations']
        for row in rows:
            cur2 = con.cursor()
            args['result_seq'] = row[0]
            args['result_source_id'] = sql.Literal(row[1])
            result_target_id = row[2]
            args['result_target_id'] = sql.Literal(result_target_id)
            result_cost = row[3]
            query2 = sql.SQL("""
                SELECT ST_AsText( ST_startPoint({geometry}) ) FROM {edge_schema}.{edge_table}
                    WHERE {source} = {result_target_id}
                UNION
                SELECT ST_AsText( ST_endPoint( {geometry} ) ) FROM {edge_schema}.{edge_table}
                    WHERE {target} = {result_target_id}
                """).format(**args)
            cur2.execute(query2)
            row2 = cur2.fetchone()

            geom = QgsGeometry().fromWkt(str(row2[0]))
            pt = geom.asPoint()
            textDocument = QTextDocument("{0!s}:{1}".format(result_target_id, result_cost))
            textAnnotation = QgsTextAnnotation()
            textAnnotation.setMapPosition(geom.asPoint())
            textAnnotation.setFrameSize(QSizeF(textDocument.idealWidth(), 20))
            textAnnotation.setFrameOffsetFromReferencePoint(QPointF(20, -40))
            textAnnotation.setDocument(textDocument)

            QgsMapCanvasAnnotationItem(textAnnotation, mapCanvas)
            resultNodesTextAnnotations.append(textAnnotation)

开发者ID:pgRouting，项目名称:pgRoutingLayer，代码行数:73，代码来源:FunctionBase.py

示例10: testTextAnnotationInLayout

 def testTextAnnotationInLayout(self):
     """ test rendering a text annotation"""
     a = QgsTextAnnotation()
     a.fillSymbol().symbolLayer(0).setStrokeColor(QColor(0, 0, 0))
     a.markerSymbol().symbolLayer(0).setStrokeColor(QColor(0, 0, 0))
     a.setFrameSizeMm(QSizeF(300 / 3.7795275, 200 / 3.7795275))
     a.setFrameOffsetFromReferencePointMm(QPointF(40 / 3.7795275, 50 / 3.7795275))
     doc = QTextDocument()
     doc.setHtml('<p style="font-family: arial; font-weight: bold; font-size: 40px;">test annotation</p>')
     a.setDocument(doc)
     self.assertTrue(self.renderAnnotationInLayout('text_annotation_in_layout', a))

开发者ID:yoichigmf，项目名称:QGIS，代码行数:11，代码来源:test_qgsannotation.py

注：本文中的qgis.core.QgsTextAnnotation类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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Python core.QgsTextAnnotation类代码示例

示例1: testVisibility

示例2: testFillSymbol

示例3: testTextAnnotation

示例4: testSize

示例5: testPosition

示例6: testSettingFeature

示例7: testTextAnnotation

示例8: testSize

示例9: drawCostPaths

示例10: testTextAnnotationInLayout

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