def testDestDatumTransforms(self):
context = QgsCoordinateTransformContext()
self.assertEqual(context.destinationDatumTransforms(), {})
self.assertTrue(context.addDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:3111'), 1))
self.assertEqual(context.destinationDatumTransforms(), {'EPSG:3111': 1})
self.assertTrue(context.addDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:28356'), 2))
self.assertEqual(context.destinationDatumTransforms(), {'EPSG:3111': 1, 'EPSG:28356': 2})
self.assertTrue(context.addDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:28356'), 3))
self.assertEqual(context.destinationDatumTransforms(), {'EPSG:3111': 1, 'EPSG:28356': 3})
self.assertTrue(context.addDestinationDatumTransform(QgsCoordinateReferenceSystem(28356), 3))
self.assertEqual(context.destinationDatumTransforms(), {'EPSG:3111': 1, 'EPSG:28356': 3})
# invalid crs should fail
self.assertFalse(context.addDestinationDatumTransform(QgsCoordinateReferenceSystem(), 4))
self.assertEqual(context.destinationDatumTransforms(), {'EPSG:3111': 1, 'EPSG:28356': 3})
# indicate no transform required
self.assertTrue(context.addDestinationDatumTransform(QgsCoordinateReferenceSystem(28357), -1))
self.assertEqual(context.destinationDatumTransforms(), {'EPSG:3111': 1, 'EPSG:28356': 3, 'EPSG:28357': -1})
# removing non-existing
context.removeSourceDatumTransform(QgsCoordinateReferenceSystem(28354))
self.assertEqual(context.destinationDatumTransforms(), {'EPSG:3111': 1, 'EPSG:28356': 3, 'EPSG:28357': -1})
# remove existing
context.removeDestinationDatumTransform(QgsCoordinateReferenceSystem(28356))
self.assertEqual(context.destinationDatumTransforms(), {'EPSG:3111': 1, 'EPSG:28357': -1})
context.clear()
self.assertEqual(context.destinationDatumTransforms(), {})
def testDestDatumTransforms(self):
context = QgsCoordinateTransformContext()
self.assertEqual(context.destinationDatumTransforms(), {})
self.assertTrue(context.addDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:3111'), 1))
self.assertEqual(context.destinationDatumTransforms(), {'EPSG:3111': 1})
self.assertTrue(context.addDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:28356'), 2))
self.assertEqual(context.destinationDatumTransforms(), {'EPSG:3111': 1, 'EPSG:28356': 2})
self.assertTrue(context.addDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:28356'), 3))
self.assertEqual(context.destinationDatumTransforms(), {'EPSG:3111': 1, 'EPSG:28356': 3})
self.assertTrue(context.addDestinationDatumTransform(QgsCoordinateReferenceSystem(28356), 3))
self.assertEqual(context.destinationDatumTransforms(), {'EPSG:3111': 1, 'EPSG:28356': 3})
# invalid crs should fail
self.assertFalse(context.addDestinationDatumTransform(QgsCoordinateReferenceSystem(), 4))
self.assertEqual(context.destinationDatumTransforms(), {'EPSG:3111': 1, 'EPSG:28356': 3})
# indicate no transform required
self.assertTrue(context.addDestinationDatumTransform(QgsCoordinateReferenceSystem(28357), -1))
self.assertEqual(context.destinationDatumTransforms(), {'EPSG:3111': 1, 'EPSG:28356': 3, 'EPSG:28357': -1})
# removing non-existing
context.removeSourceDatumTransform(QgsCoordinateReferenceSystem(28354))
self.assertEqual(context.destinationDatumTransforms(), {'EPSG:3111': 1, 'EPSG:28356': 3, 'EPSG:28357': -1})
# remove existing
context.removeDestinationDatumTransform(QgsCoordinateReferenceSystem(28356))
self.assertEqual(context.destinationDatumTransforms(), {'EPSG:3111': 1, 'EPSG:28357': -1})
context.clear()
self.assertEqual(context.destinationDatumTransforms(), {})
def testWriteReadXmlSingleVariant(self):
# setup a context
context = QgsCoordinateTransformContext()
self.assertTrue(context.addSourceDatumTransform(QgsCoordinateReferenceSystem('EPSG:3111'), 1))
self.assertTrue(context.addSourceDatumTransform(QgsCoordinateReferenceSystem('EPSG:28356'), 2))
self.assertTrue(context.addDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:3113'), 11))
self.assertTrue(context.addDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:28355'), 12))
self.assertTrue(context.addSourceDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem('EPSG:4283'), 1, 2))
self.assertTrue(context.addSourceDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:28356'),
QgsCoordinateReferenceSystem(4283), 3, 4))
self.assertEqual(context.sourceDatumTransforms(), {'EPSG:3111': 1, 'EPSG:28356': 2})
self.assertEqual(context.destinationDatumTransforms(), {'EPSG:3113': 11, 'EPSG:28355': 12})
self.assertEqual(context.sourceDestinationDatumTransforms(), {('EPSG:3111', 'EPSG:4283'): (1, 2),
('EPSG:28356', 'EPSG:4283'): (3, 4)})
# save to xml
doc = QDomDocument("testdoc")
elem = doc.createElement("test")
context.writeXml(elem, QgsReadWriteContext())
# restore from xml
context2 = QgsCoordinateTransformContext()
context2.readXml(elem, QgsReadWriteContext())
# check result
self.assertEqual(context2.sourceDatumTransforms(), {'EPSG:3111': 1, 'EPSG:28356': 2})
self.assertEqual(context2.destinationDatumTransforms(), {'EPSG:3113': 11, 'EPSG:28355': 12})
self.assertEqual(context2.sourceDestinationDatumTransforms(), {('EPSG:3111', 'EPSG:4283'): (1, 2),
('EPSG:28356', 'EPSG:4283'): (3, 4)})
def testWriteReadXmlSingleVariant(self):
# setup a context
context = QgsCoordinateTransformContext()
self.assertTrue(context.addSourceDatumTransform(QgsCoordinateReferenceSystem('EPSG:3111'), 1))
self.assertTrue(context.addSourceDatumTransform(QgsCoordinateReferenceSystem('EPSG:28356'), 2))
self.assertTrue(context.addDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:3113'), 11))
self.assertTrue(context.addDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:28355'), 12))
self.assertTrue(context.addSourceDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem('EPSG:4283'), 1, 2))
self.assertTrue(context.addSourceDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:28356'),
QgsCoordinateReferenceSystem(4283), 3, 4))
self.assertEqual(context.sourceDatumTransforms(), {'EPSG:3111': 1, 'EPSG:28356': 2})
self.assertEqual(context.destinationDatumTransforms(), {'EPSG:3113': 11, 'EPSG:28355': 12})
self.assertEqual(context.sourceDestinationDatumTransforms(), {('EPSG:3111', 'EPSG:4283'): (1, 2),
('EPSG:28356', 'EPSG:4283'): (3, 4)})
# save to xml
doc = QDomDocument("testdoc")
elem = doc.createElement("test")
context.writeXml(elem, QgsReadWriteContext())
# restore from xml
context2 = QgsCoordinateTransformContext()
context2.readXml(elem, QgsReadWriteContext())
# check result
self.assertEqual(context2.sourceDatumTransforms(), {'EPSG:3111': 1, 'EPSG:28356': 2})
self.assertEqual(context2.destinationDatumTransforms(), {'EPSG:3113': 11, 'EPSG:28355': 12})
self.assertEqual(context2.sourceDestinationDatumTransforms(), {('EPSG:3111', 'EPSG:4283'): (1, 2),
('EPSG:28356', 'EPSG:4283'): (3, 4)})
