Python QgsProject.setTransformContextの例

コード例 #1

ファイル: test_qgsproject.py プロジェクト: boundlessgeo/QGIS

    def testTransformContextSignalIsEmitted(self):
        """Test that when a project transform context changes a transformContextChanged signal is emitted"""

        p = QgsProject()
        spy = QSignalSpy(p.transformContextChanged)
        ctx = QgsCoordinateTransformContext()
        ctx.addSourceDestinationDatumTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857), 1234, 1235)
        p.setTransformContext(ctx)
        self.assertEqual(len(spy), 1)

コード例 #2

    def testTransformContextSignalIsEmitted(self):
        """Test that when a project transform context changes a transformContextChanged signal is emitted"""

        p = QgsProject()
        spy = QSignalSpy(p.transformContextChanged)
        ctx = QgsCoordinateTransformContext()
        ctx.addSourceDestinationDatumTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857), 1234, 1235)
        p.setTransformContext(ctx)
        self.assertEqual(len(spy), 1)

コード例 #3

ファイル: test_qgscoordinatetransformcontext.py プロジェクト: huangjiushi/QGIS

 def testProject(self):
     """
     Test project's transform context
     """
     project = QgsProject()
     context_changed_spy = QSignalSpy(project.transformContextChanged)
     context = project.transformContext()
     context.addSourceDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:3111'),
                                                QgsCoordinateReferenceSystem('EPSG:4283'), 1, 2)
     project.setTransformContext(context)
     self.assertEqual(len(context_changed_spy), 1)
     self.assertEqual(project.transformContext().sourceDestinationDatumTransforms(), {('EPSG:3111', 'EPSG:4283'): QgsDatumTransform.TransformPair(1, 2)})

コード例 #4

ファイル: test_qgscoordinatetransformcontext.py プロジェクト: alexbruy/QGIS

 def testProject(self):
     """
     Test project's transform context
     """
     project = QgsProject()
     context_changed_spy = QSignalSpy(project.transformContextChanged)
     context = project.transformContext()
     context.addSourceDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:3111'),
                                                QgsCoordinateReferenceSystem('EPSG:4283'), 1, 2)
     project.setTransformContext(context)
     self.assertEqual(len(context_changed_spy), 1)
     self.assertEqual(project.transformContext().sourceDestinationDatumTransforms(), {('EPSG:3111', 'EPSG:4283'): QgsDatumTransform.TransformPair(1, 2)})

コード例 #5

ファイル: test_qgscoordinatetransform.py プロジェクト: digitalsatori/QGIS

    def testProjectContextProj6(self):
        """
        Test creating transform using convenience constructor which takes project reference
        """
        p = QgsProject()
        context = p.transformContext()
        context.addCoordinateOperation(QgsCoordinateReferenceSystem('EPSG:28356'),
                                       QgsCoordinateReferenceSystem('EPSG:3111'), 'proj')
        p.setTransformContext(context)

        transform = QgsCoordinateTransform(QgsCoordinateReferenceSystem('EPSG:28356'), QgsCoordinateReferenceSystem('EPSG:3111'), p)
        self.assertEqual(transform.coordinateOperation(), 'proj')

コード例 #6

ファイル: test_qgscoordinatetransform.py プロジェクト: vcloarec/QGIS

    def testProjectContextProj6(self):
        """
        Test creating transform using convenience constructor which takes project reference
        """
        p = QgsProject()
        context = p.transformContext()
        context.addCoordinateOperation(QgsCoordinateReferenceSystem('EPSG:28356'),
                                       QgsCoordinateReferenceSystem('EPSG:3111'), 'proj')
        p.setTransformContext(context)

        transform = QgsCoordinateTransform(QgsCoordinateReferenceSystem('EPSG:28356'), QgsCoordinateReferenceSystem('EPSG:3111'), p)
        self.assertEqual(transform.coordinateOperation(), 'proj')

コード例 #7

ファイル: test_qgscoordinatetransform.py プロジェクト: AlisterH/Quantum-GIS

    def testProjectContext(self):
        """
        Test creating transform using convenience constructor which takes project reference
        """
        p = QgsProject()
        context = p.transformContext()
        context.addSourceDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:28356'),
                                                   QgsCoordinateReferenceSystem('EPSG:3111'), 1, 2)
        p.setTransformContext(context)

        transform = QgsCoordinateTransform(QgsCoordinateReferenceSystem('EPSG:28356'), QgsCoordinateReferenceSystem('EPSG:3111'), p)
        self.assertEqual(transform.sourceDatumTransformId(), 1)
        self.assertEqual(transform.destinationDatumTransformId(), 2)

コード例 #8

    def testProjectContext(self):
        """
        Test creating transform using convenience constructor which takes project reference
        """
        p = QgsProject()
        context = p.transformContext()
        context.addSourceDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:28356'),
                                                   QgsCoordinateReferenceSystem('EPSG:3111'), 1, 2)
        p.setTransformContext(context)

        transform = QgsCoordinateTransform(QgsCoordinateReferenceSystem('EPSG:28356'), QgsCoordinateReferenceSystem('EPSG:3111'), p)
        self.assertEqual(transform.sourceDatumTransformId(), 1)
        self.assertEqual(transform.destinationDatumTransformId(), 2)

コード例 #9

ファイル: test_qgsrasterlayer.py プロジェクト: m-kuhn/QGIS

    def testTransformContextInheritsFromProject(self):
        """Test that when a layer is added to a project it inherits its context"""

        rl = QgsRasterLayer(self.rpath, 'raster')
        self.assertFalse(rl.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))

        p = QgsProject()
        self.assertFalse(p.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))
        p.setTransformContext(self.ctx)
        self.assertTrue(p.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))

        p.addMapLayers([rl])
        self.assertTrue(rl.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))

コード例 #10

    def testTransformContextInheritsFromProject(self):
        """Test that when a layer is added to a project it inherits its context"""

        rl = QgsRasterLayer(self.rpath, 'raster')
        self.assertFalse(rl.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))

        p = QgsProject()
        self.assertFalse(p.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))
        p.setTransformContext(self.ctx)
        self.assertTrue(p.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))

        p.addMapLayers([rl])
        self.assertTrue(rl.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))

コード例 #11

ファイル: test_qgscoordinatetransformcontext.py プロジェクト: xiaohszx/QGIS

 def testProjectProj6(self):
     """
     Test project's transform context
     """
     project = QgsProject()
     context_changed_spy = QSignalSpy(project.transformContextChanged)
     context = project.transformContext()
     context.addCoordinateOperation(QgsCoordinateReferenceSystem('EPSG:3111'),
                                    QgsCoordinateReferenceSystem('EPSG:4283'), 'proj')
     project.setTransformContext(context)
     self.assertEqual(len(context_changed_spy), 1)
     self.assertEqual(project.transformContext().coordinateOperations(),
                      {('EPSG:3111', 'EPSG:4283'): 'proj'})

コード例 #12

ファイル: test_qgscoordinatetransformcontext.py プロジェクト: digitalsatori/QGIS

 def testProjectProj6(self):
     """
     Test project's transform context
     """
     project = QgsProject()
     context_changed_spy = QSignalSpy(project.transformContextChanged)
     context = project.transformContext()
     context.addCoordinateOperation(QgsCoordinateReferenceSystem('EPSG:3111'),
                                    QgsCoordinateReferenceSystem('EPSG:4283'), 'proj')
     project.setTransformContext(context)
     self.assertEqual(len(context_changed_spy), 1)
     self.assertEqual(project.transformContext().coordinateOperations(),
                      {('EPSG:3111', 'EPSG:4283'): 'proj'})

コード例 #13

ファイル: test_qgsrasterlayer.py プロジェクト: m-kuhn/QGIS

    def testTransformContextIsSyncedFromProject(self):
        """Test that when a layer is synced when project context changes"""

        rl = QgsRasterLayer(self.rpath, 'raster')
        self.assertFalse(rl.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))

        p = QgsProject()
        self.assertFalse(p.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))
        p.setTransformContext(self.ctx)
        self.assertTrue(p.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))

        p.addMapLayers([rl])
        self.assertTrue(rl.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))

        # Now change the project context
        tc2 = QgsCoordinateTransformContext()
        p.setTransformContext(tc2)
        self.assertFalse(p.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))
        self.assertFalse(rl.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))
        p.setTransformContext(self.ctx)
        self.assertTrue(p.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))
        self.assertTrue(rl.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))

コード例 #14

    def testTransformContextIsSyncedFromProject(self):
        """Test that when a layer is synced when project context changes"""

        rl = QgsRasterLayer(self.rpath, 'raster')
        self.assertFalse(rl.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))

        p = QgsProject()
        self.assertFalse(p.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))
        p.setTransformContext(self.ctx)
        self.assertTrue(p.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))

        p.addMapLayers([rl])
        self.assertTrue(rl.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))

        # Now change the project context
        tc2 = QgsCoordinateTransformContext()
        p.setTransformContext(tc2)
        self.assertFalse(p.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))
        self.assertFalse(rl.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))
        p.setTransformContext(self.ctx)
        self.assertTrue(p.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))
        self.assertTrue(rl.transformContext().hasTransform(QgsCoordinateReferenceSystem(4326), QgsCoordinateReferenceSystem(3857)))