Пример #1
0
    def testOperations(self):
        w = QgsCoordinateOperationWidget()
        self.assertFalse(w.hasSelection())
        spy = QSignalSpy(w.operationChanged)
        w.setSourceCrs(QgsCoordinateReferenceSystem('EPSG:26745'))
        self.assertEqual(len(spy), 0)
        w.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
        self.assertEqual(len(spy), 1)
        self.assertTrue(w.hasSelection())
        self.assertGreaterEqual(len(w.availableOperations()), 3)

        self.assertEqual(
            w.defaultOperation().proj,
            '+proj=pipeline +step +proj=unitconvert +xy_in=us-ft +xy_out=m +step +inv +proj=lcc +lat_0=33.5 +lon_0=-118 +lat_1=35.4666666666667 +lat_2=34.0333333333333 +x_0=609601.219202438 +y_0=0 +ellps=clrk66 +step +proj=push +v_3 +step +proj=cart +ellps=clrk66 +step +proj=helmert +x=-8 +y=159 +z=175 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=webmerc +lat_0=0 +lon_0=0 +x_0=0 +y_0=0 +ellps=WGS84'
        )
        self.assertEqual(
            w.selectedOperation().proj,
            '+proj=pipeline +step +proj=unitconvert +xy_in=us-ft +xy_out=m +step +inv +proj=lcc +lat_0=33.5 +lon_0=-118 +lat_1=35.4666666666667 +lat_2=34.0333333333333 +x_0=609601.219202438 +y_0=0 +ellps=clrk66 +step +proj=push +v_3 +step +proj=cart +ellps=clrk66 +step +proj=helmert +x=-8 +y=159 +z=175 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=webmerc +lat_0=0 +lon_0=0 +x_0=0 +y_0=0 +ellps=WGS84'
        )
        self.assertTrue(w.selectedOperation().isAvailable)

        op = QgsCoordinateOperationWidget.OperationDetails()
        op.proj = '+proj=pipeline +step +proj=unitconvert +xy_in=us-ft +xy_out=m +step +inv +proj=lcc +lat_0=33.5 +lon_0=-118 +lat_1=35.4666666666667 +lat_2=34.0333333333333 +x_0=609601.219202438 +y_0=0 +ellps=clrk66 +step +proj=push +v_3 +step +proj=cart +ellps=clrk66 +step +proj=helmert +x=-8 +y=160 +z=176 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=webmerc +lat_0=0 +lon_0=0 +x_0=0 +y_0=0 +ellps=WGS84'
        op.allowFallback = True
        w.setSelectedOperation(op)
        self.assertEqual(
            w.selectedOperation().proj,
            '+proj=pipeline +step +proj=unitconvert +xy_in=us-ft +xy_out=m +step +inv +proj=lcc +lat_0=33.5 +lon_0=-118 +lat_1=35.4666666666667 +lat_2=34.0333333333333 +x_0=609601.219202438 +y_0=0 +ellps=clrk66 +step +proj=push +v_3 +step +proj=cart +ellps=clrk66 +step +proj=helmert +x=-8 +y=160 +z=176 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=webmerc +lat_0=0 +lon_0=0 +x_0=0 +y_0=0 +ellps=WGS84'
        )
        self.assertTrue(w.selectedOperation().allowFallback)
        self.assertEqual(len(spy), 2)
        w.setSelectedOperation(op)
        self.assertEqual(
            w.selectedOperation().proj,
            '+proj=pipeline +step +proj=unitconvert +xy_in=us-ft +xy_out=m +step +inv +proj=lcc +lat_0=33.5 +lon_0=-118 +lat_1=35.4666666666667 +lat_2=34.0333333333333 +x_0=609601.219202438 +y_0=0 +ellps=clrk66 +step +proj=push +v_3 +step +proj=cart +ellps=clrk66 +step +proj=helmert +x=-8 +y=160 +z=176 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=webmerc +lat_0=0 +lon_0=0 +x_0=0 +y_0=0 +ellps=WGS84'
        )
        self.assertTrue(w.selectedOperation().allowFallback)
        self.assertEqual(len(spy), 2)

        op.proj = '+proj=pipeline +step +proj=unitconvert +xy_in=us-ft +xy_out=m +step +inv +proj=lcc +lat_0=33.5 +lon_0=-118 +lat_1=35.4666666666667 +lat_2=34.0333333333333 +x_0=609601.219202438 +y_0=0 +ellps=clrk66 +step +proj=push +v_3 +step +proj=cart +ellps=clrk66 +step +proj=helmert +x=-8 +y=159 +z=175 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=webmerc +lat_0=0 +lon_0=0 +x_0=0 +y_0=0 +ellps=WGS84'
        op.allowFallback = False
        w.setSelectedOperation(op)
        self.assertEqual(
            w.selectedOperation().proj,
            '+proj=pipeline +step +proj=unitconvert +xy_in=us-ft +xy_out=m +step +inv +proj=lcc +lat_0=33.5 +lon_0=-118 +lat_1=35.4666666666667 +lat_2=34.0333333333333 +x_0=609601.219202438 +y_0=0 +ellps=clrk66 +step +proj=push +v_3 +step +proj=cart +ellps=clrk66 +step +proj=helmert +x=-8 +y=159 +z=175 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=webmerc +lat_0=0 +lon_0=0 +x_0=0 +y_0=0 +ellps=WGS84'
        )
        self.assertFalse(w.selectedOperation().allowFallback)
        self.assertEqual(len(spy), 3)

        op.allowFallback = True
        w.setSelectedOperation(op)
        self.assertEqual(
            w.selectedOperation().proj,
            '+proj=pipeline +step +proj=unitconvert +xy_in=us-ft +xy_out=m +step +inv +proj=lcc +lat_0=33.5 +lon_0=-118 +lat_1=35.4666666666667 +lat_2=34.0333333333333 +x_0=609601.219202438 +y_0=0 +ellps=clrk66 +step +proj=push +v_3 +step +proj=cart +ellps=clrk66 +step +proj=helmert +x=-8 +y=159 +z=175 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=webmerc +lat_0=0 +lon_0=0 +x_0=0 +y_0=0 +ellps=WGS84'
        )
        self.assertTrue(w.selectedOperation().allowFallback)
        self.assertEqual(len(spy), 4)

        context = QgsCoordinateTransformContext()
        op.proj = '+proj=pipeline +step +proj=unitconvert +xy_in=us-ft +xy_out=m +step +inv +proj=lcc +lat_0=33.5 +lon_0=-118 +lat_1=35.4666666666667 +lat_2=34.0333333333333 +x_0=609601.219202438 +y_0=0 +ellps=clrk66 +step +proj=push +v_3 +step +proj=cart +ellps=clrk66 +step +proj=helmert +x=-8 +y=160 +z=176 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=webmerc +lat_0=0 +lon_0=0 +x_0=0 +y_0=0 +ellps=WGS84'
        w.setSelectedOperation(op)
        w.setSelectedOperationUsingContext(context)
        # should go to default, because there's nothing in the context matching these crs
        self.assertEqual(
            w.selectedOperation().proj,
            '+proj=pipeline +step +proj=unitconvert +xy_in=us-ft +xy_out=m +step +inv +proj=lcc +lat_0=33.5 +lon_0=-118 +lat_1=35.4666666666667 +lat_2=34.0333333333333 +x_0=609601.219202438 +y_0=0 +ellps=clrk66 +step +proj=push +v_3 +step +proj=cart +ellps=clrk66 +step +proj=helmert +x=-8 +y=159 +z=175 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=webmerc +lat_0=0 +lon_0=0 +x_0=0 +y_0=0 +ellps=WGS84'
        )
        self.assertEqual(len(spy), 6)

        # put something in the context
        context.addCoordinateOperation(
            w.sourceCrs(), w.destinationCrs(),
            '+proj=pipeline +step +proj=unitconvert +xy_in=us-ft +xy_out=m +step +inv +proj=lcc +lat_0=33.5 +lon_0=-118 +lat_1=35.4666666666667 +lat_2=34.0333333333333 +x_0=609601.219202438 +y_0=0 +ellps=clrk66 +step +proj=push +v_3 +step +proj=cart +ellps=clrk66 +step +proj=helmert +x=-8 +y=160 +z=176 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=webmerc +lat_0=0 +lon_0=0 +x_0=0 +y_0=0 +ellps=WGS84'
        )
        w.setSelectedOperationUsingContext(context)
        self.assertEqual(
            w.selectedOperation().proj,
            '+proj=pipeline +step +proj=unitconvert +xy_in=us-ft +xy_out=m +step +inv +proj=lcc +lat_0=33.5 +lon_0=-118 +lat_1=35.4666666666667 +lat_2=34.0333333333333 +x_0=609601.219202438 +y_0=0 +ellps=clrk66 +step +proj=push +v_3 +step +proj=cart +ellps=clrk66 +step +proj=helmert +x=-8 +y=160 +z=176 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=webmerc +lat_0=0 +lon_0=0 +x_0=0 +y_0=0 +ellps=WGS84'
        )
        self.assertTrue(w.selectedOperation().allowFallback)
        self.assertEqual(len(spy), 7)

        context.addCoordinateOperation(
            w.sourceCrs(), w.destinationCrs(),
            '+proj=pipeline +step +proj=unitconvert +xy_in=us-ft +xy_out=m +step +inv +proj=lcc +lat_0=33.5 +lon_0=-118 +lat_1=35.4666666666667 +lat_2=34.0333333333333 +x_0=609601.219202438 +y_0=0 +ellps=clrk66 +step +proj=push +v_3 +step +proj=cart +ellps=clrk66 +step +proj=helmert +x=-8 +y=160 +z=176 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=webmerc +lat_0=0 +lon_0=0 +x_0=0 +y_0=0 +ellps=WGS84',
            False)
        w.setSelectedOperationUsingContext(context)
        self.assertEqual(
            w.selectedOperation().proj,
            '+proj=pipeline +step +proj=unitconvert +xy_in=us-ft +xy_out=m +step +inv +proj=lcc +lat_0=33.5 +lon_0=-118 +lat_1=35.4666666666667 +lat_2=34.0333333333333 +x_0=609601.219202438 +y_0=0 +ellps=clrk66 +step +proj=push +v_3 +step +proj=cart +ellps=clrk66 +step +proj=helmert +x=-8 +y=160 +z=176 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=webmerc +lat_0=0 +lon_0=0 +x_0=0 +y_0=0 +ellps=WGS84'
        )
        self.assertFalse(w.selectedOperation().allowFallback)
        self.assertEqual(len(spy), 8)
Пример #2
0
    def testOperationsCruftyProj(self):
        w = QgsCoordinateOperationWidget()
        self.assertFalse(w.hasSelection())
        spy = QSignalSpy(w.operationChanged)
        w.setSourceCrs(QgsCoordinateReferenceSystem('EPSG:4283'))
        self.assertEqual(len(spy), 0)
        w.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:7844'))
        self.assertEqual(len(spy), 1)
        self.assertTrue(w.hasSelection())
        self.assertEqual(len(w.availableOperations()), 2)

        self.assertEqual(
            QgsDatumTransform.datumTransformToProj(
                w.defaultOperation().sourceTransformId),
            '+nadgrids=GDA94_GDA2020_conformal_and_distortion.gsb')
        self.assertEqual(w.defaultOperation().destinationTransformId, -1)
        self.assertEqual(
            QgsDatumTransform.datumTransformToProj(
                w.selectedOperation().sourceTransformId),
            '+nadgrids=GDA94_GDA2020_conformal_and_distortion.gsb')
        self.assertEqual(w.selectedOperation().destinationTransformId, -1)

        self.assertEqual(
            QgsDatumTransform.datumTransformToProj(
                w.availableOperations()[1].sourceTransformId),
            '+nadgrids=GDA94_GDA2020_conformal.gsb')
        self.assertEqual(w.availableOperations()[1].destinationTransformId, -1)

        op = QgsCoordinateOperationWidget.OperationDetails()
        op.sourceTransformId = w.availableOperations()[1].sourceTransformId
        w.setSelectedOperation(op)
        self.assertEqual(
            QgsDatumTransform.datumTransformToProj(
                w.selectedOperation().sourceTransformId),
            '+nadgrids=GDA94_GDA2020_conformal.gsb')
        self.assertEqual(len(spy), 2)
        w.setSelectedOperation(op)
        self.assertEqual(
            QgsDatumTransform.datumTransformToProj(
                w.selectedOperation().sourceTransformId),
            '+nadgrids=GDA94_GDA2020_conformal.gsb')
        self.assertEqual(len(spy), 2)

        op.sourceTransformId = w.availableOperations()[0].sourceTransformId
        op.destinationTransformId = -1
        w.setSelectedOperation(op)
        self.assertEqual(
            QgsDatumTransform.datumTransformToProj(
                w.selectedOperation().sourceTransformId),
            '+nadgrids=GDA94_GDA2020_conformal_and_distortion.gsb')
        self.assertEqual(len(spy), 3)

        op.destinationTransformId = w.availableOperations(
        )[1].sourceTransformId
        op.sourceTransformId = -1
        w.setSelectedOperation(op)
        self.assertEqual(
            QgsDatumTransform.datumTransformToProj(
                w.selectedOperation().sourceTransformId),
            '+nadgrids=GDA94_GDA2020_conformal.gsb')
        self.assertEqual(len(spy), 4)

        op.destinationTransformId = w.availableOperations(
        )[0].sourceTransformId
        op.sourceTransformId = -1
        w.setSelectedOperation(op)
        self.assertEqual(
            QgsDatumTransform.datumTransformToProj(
                w.selectedOperation().sourceTransformId),
            '+nadgrids=GDA94_GDA2020_conformal_and_distortion.gsb')
        self.assertEqual(len(spy), 5)
Пример #3
0
    def testGettersSetters(self):
        """ test widget getters/setters """
        w = QgsCoordinateOperationWidget()
        self.assertFalse(w.sourceCrs().isValid())
        self.assertFalse(w.destinationCrs().isValid())
        self.assertFalse(w.hasSelection())
        self.assertFalse(w.availableOperations())

        w.setSourceCrs(QgsCoordinateReferenceSystem('EPSG:28355'))
        self.assertEqual(w.sourceCrs().authid(), 'EPSG:28355')
        self.assertFalse(w.destinationCrs().isValid())

        w.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:7855'))
        self.assertEqual(w.sourceCrs().authid(), 'EPSG:28355')
        self.assertEqual(w.destinationCrs().authid(), 'EPSG:7855')
Пример #4
0
    def testOperations(self):
        w = QgsCoordinateOperationWidget()
        self.assertFalse(w.hasSelection())
        spy = QSignalSpy(w.operationChanged)
        w.setSourceCrs(QgsCoordinateReferenceSystem('EPSG:28355'))
        self.assertEqual(len(spy), 0)
        w.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:7855'))
        self.assertEqual(len(spy), 1)
        self.assertTrue(w.hasSelection())
        self.assertEqual(len(w.availableOperations()), 3)

        self.assertEqual(
            w.defaultOperation().proj,
            '+proj=pipeline +step +inv +proj=utm +zone=55 +south +ellps=GRS80 +step +proj=push +v_3 +step +proj=cart +ellps=GRS80 +step +proj=helmert +x=0.06155 +y=-0.01087 +z=-0.04019 +rx=-0.0394924 +ry=-0.0327221 +rz=-0.0328979 +s=-0.009994 +convention=coordinate_frame +step +inv +proj=cart +ellps=GRS80 +step +proj=pop +v_3 +step +proj=utm +zone=55 +south +ellps=GRS80'
        )
        self.assertEqual(
            w.selectedOperation().proj,
            '+proj=pipeline +step +inv +proj=utm +zone=55 +south +ellps=GRS80 +step +proj=push +v_3 +step +proj=cart +ellps=GRS80 +step +proj=helmert +x=0.06155 +y=-0.01087 +z=-0.04019 +rx=-0.0394924 +ry=-0.0327221 +rz=-0.0328979 +s=-0.009994 +convention=coordinate_frame +step +inv +proj=cart +ellps=GRS80 +step +proj=pop +v_3 +step +proj=utm +zone=55 +south +ellps=GRS80'
        )
        self.assertTrue(w.selectedOperation().isAvailable)

        op = QgsCoordinateOperationWidget.OperationDetails()
        op.proj = '+proj=pipeline +step +inv +proj=utm +zone=55 +south +ellps=GRS80 +step +proj=hgridshift +grids=GDA94_GDA2020_conformal_and_distortion.gsb +step +proj=utm +zone=55 +south +ellps=GRS80'
        w.setSelectedOperation(op)
        self.assertEqual(
            w.selectedOperation().proj,
            '+proj=pipeline +step +inv +proj=utm +zone=55 +south +ellps=GRS80 +step +proj=hgridshift +grids=GDA94_GDA2020_conformal_and_distortion.gsb +step +proj=utm +zone=55 +south +ellps=GRS80'
        )
        self.assertEqual(len(spy), 2)
        w.setSelectedOperation(op)
        self.assertEqual(
            w.selectedOperation().proj,
            '+proj=pipeline +step +inv +proj=utm +zone=55 +south +ellps=GRS80 +step +proj=hgridshift +grids=GDA94_GDA2020_conformal_and_distortion.gsb +step +proj=utm +zone=55 +south +ellps=GRS80'
        )
        self.assertEqual(len(spy), 2)

        op.proj = '+proj=pipeline +step +inv +proj=utm +zone=55 +south +ellps=GRS80 +step +proj=push +v_3 +step +proj=cart +ellps=GRS80 +step +proj=helmert +x=0.06155 +y=-0.01087 +z=-0.04019 +rx=-0.0394924 +ry=-0.0327221 +rz=-0.0328979 +s=-0.009994 +convention=coordinate_frame +step +inv +proj=cart +ellps=GRS80 +step +proj=pop +v_3 +step +proj=utm +zone=55 +south +ellps=GRS80'
        w.setSelectedOperation(op)
        self.assertEqual(
            w.selectedOperation().proj,
            '+proj=pipeline +step +inv +proj=utm +zone=55 +south +ellps=GRS80 +step +proj=push +v_3 +step +proj=cart +ellps=GRS80 +step +proj=helmert +x=0.06155 +y=-0.01087 +z=-0.04019 +rx=-0.0394924 +ry=-0.0327221 +rz=-0.0328979 +s=-0.009994 +convention=coordinate_frame +step +inv +proj=cart +ellps=GRS80 +step +proj=pop +v_3 +step +proj=utm +zone=55 +south +ellps=GRS80'
        )
        self.assertEqual(len(spy), 3)

        context = QgsCoordinateTransformContext()
        op.proj = '+proj=pipeline +step +inv +proj=utm +zone=55 +south +ellps=GRS80 +step +proj=hgridshift +grids=GDA94_GDA2020_conformal_and_distortion.gsb +step +proj=utm +zone=55 +south +ellps=GRS80'
        w.setSelectedOperation(op)
        w.setSelectedOperationUsingContext(context)
        # should go to default, because there's nothing in the context matching these crs
        self.assertEqual(
            w.selectedOperation().proj,
            '+proj=pipeline +step +inv +proj=utm +zone=55 +south +ellps=GRS80 +step +proj=push +v_3 +step +proj=cart +ellps=GRS80 +step +proj=helmert +x=0.06155 +y=-0.01087 +z=-0.04019 +rx=-0.0394924 +ry=-0.0327221 +rz=-0.0328979 +s=-0.009994 +convention=coordinate_frame +step +inv +proj=cart +ellps=GRS80 +step +proj=pop +v_3 +step +proj=utm +zone=55 +south +ellps=GRS80'
        )
        self.assertEqual(len(spy), 5)

        # put something in the context
        context.addCoordinateOperation(
            w.sourceCrs(), w.destinationCrs(),
            '+proj=pipeline +step +inv +proj=utm +zone=55 +south +ellps=GRS80 +step +proj=hgridshift +grids=GDA94_GDA2020_conformal_and_distortion.gsb +step +proj=utm +zone=55 +south +ellps=GRS80'
        )
        w.setSelectedOperationUsingContext(context)
        self.assertEqual(
            w.selectedOperation().proj,
            '+proj=pipeline +step +inv +proj=utm +zone=55 +south +ellps=GRS80 +step +proj=hgridshift +grids=GDA94_GDA2020_conformal_and_distortion.gsb +step +proj=utm +zone=55 +south +ellps=GRS80'
        )
        self.assertEqual(len(spy), 6)