def testSourceDestinationDatumTransforms(self):
context = QgsCoordinateTransformContext()
self.assertEqual(context.sourceDestinationDatumTransforms(), {})
self.assertFalse(
context.hasTransform(QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem('EPSG:4283')))
self.assertTrue(
context.addSourceDestinationDatumTransform(
QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem('EPSG:4283'), 1, 2))
self.assertTrue(
context.hasTransform(QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem('EPSG:4283')))
self.assertFalse(
context.hasTransform(QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem('EPSG:4326')))
self.assertFalse(
context.hasTransform(QgsCoordinateReferenceSystem('EPSG:3113'),
QgsCoordinateReferenceSystem('EPSG:4283')))
self.assertEqual(context.sourceDestinationDatumTransforms(), {
('EPSG:3111', 'EPSG:4283'):
QgsDatumTransform.TransformPair(1, 2)
})
self.assertTrue(
context.addSourceDestinationDatumTransform(
QgsCoordinateReferenceSystem('EPSG:28356'),
QgsCoordinateReferenceSystem(4283), 3, 4))
self.assertEqual(
context.sourceDestinationDatumTransforms(), {
('EPSG:3111', 'EPSG:4283'): QgsDatumTransform.TransformPair(
1, 2),
('EPSG:28356', 'EPSG:4283'): QgsDatumTransform.TransformPair(
3, 4)
})
self.assertTrue(
context.addSourceDestinationDatumTransform(
QgsCoordinateReferenceSystem('EPSG:28356'),
QgsCoordinateReferenceSystem(28357), 7, 8))
self.assertEqual(
context.sourceDestinationDatumTransforms(), {
('EPSG:3111', 'EPSG:4283'): QgsDatumTransform.TransformPair(
1, 2),
('EPSG:28356', 'EPSG:4283'): QgsDatumTransform.TransformPair(
3, 4),
('EPSG:28356', 'EPSG:28357'): QgsDatumTransform.TransformPair(
7, 8)
})
self.assertTrue(
context.addSourceDestinationDatumTransform(
QgsCoordinateReferenceSystem('EPSG:28356'),
QgsCoordinateReferenceSystem('EPSG:28357'), 9, 11))
self.assertEqual(
context.sourceDestinationDatumTransforms(), {
('EPSG:3111', 'EPSG:4283'):
QgsDatumTransform.TransformPair(1, 2),
('EPSG:28356', 'EPSG:4283'):
QgsDatumTransform.TransformPair(3, 4),
('EPSG:28356', 'EPSG:28357'):
QgsDatumTransform.TransformPair(9, 11)
})
# invalid additions
self.assertFalse(
context.addSourceDestinationDatumTransform(
QgsCoordinateReferenceSystem(),
QgsCoordinateReferenceSystem('EPSG:28357'), 9, 11))
self.assertEqual(
context.sourceDestinationDatumTransforms(), {
('EPSG:3111', 'EPSG:4283'):
QgsDatumTransform.TransformPair(1, 2),
('EPSG:28356', 'EPSG:4283'):
QgsDatumTransform.TransformPair(3, 4),
('EPSG:28356', 'EPSG:28357'):
QgsDatumTransform.TransformPair(9, 11)
})
self.assertFalse(
context.addSourceDestinationDatumTransform(
QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem(), 9, 11))
self.assertEqual(
context.sourceDestinationDatumTransforms(), {
('EPSG:3111', 'EPSG:4283'):
QgsDatumTransform.TransformPair(1, 2),
('EPSG:28356', 'EPSG:4283'):
QgsDatumTransform.TransformPair(3, 4),
('EPSG:28356', 'EPSG:28357'):
QgsDatumTransform.TransformPair(9, 11)
})
# indicate no transform required
self.assertTrue(
context.addSourceDestinationDatumTransform(
QgsCoordinateReferenceSystem(28357),
QgsCoordinateReferenceSystem(28356), -1, -1))
self.assertEqual(
context.sourceDestinationDatumTransforms(), {
('EPSG:3111', 'EPSG:4283'):
QgsDatumTransform.TransformPair(1, 2),
('EPSG:28356', 'EPSG:4283'):
QgsDatumTransform.TransformPair(3, 4),
('EPSG:28356', 'EPSG:28357'):
QgsDatumTransform.TransformPair(9, 11),
('EPSG:28357', 'EPSG:28356'):
QgsDatumTransform.TransformPair(-1, -1)
})
self.assertTrue(
context.addSourceDestinationDatumTransform(
QgsCoordinateReferenceSystem(3111),
QgsCoordinateReferenceSystem(28356), 17, -1))
self.assertEqual(
context.sourceDestinationDatumTransforms(), {
('EPSG:3111', 'EPSG:4283'):
QgsDatumTransform.TransformPair(1, 2),
('EPSG:28356', 'EPSG:4283'):
QgsDatumTransform.TransformPair(3, 4),
('EPSG:28356', 'EPSG:28357'):
QgsDatumTransform.TransformPair(9, 11),
('EPSG:28357', 'EPSG:28356'):
QgsDatumTransform.TransformPair(-1, -1),
('EPSG:3111', 'EPSG:28356'):
QgsDatumTransform.TransformPair(17, -1)
})
self.assertTrue(
context.addSourceDestinationDatumTransform(
QgsCoordinateReferenceSystem(3113),
QgsCoordinateReferenceSystem(28356), -1, 18))
self.assertEqual(
context.sourceDestinationDatumTransforms(), {
('EPSG:3111', 'EPSG:4283'):
QgsDatumTransform.TransformPair(1, 2),
('EPSG:28356', 'EPSG:4283'):
QgsDatumTransform.TransformPair(3, 4),
('EPSG:28356', 'EPSG:28357'):
QgsDatumTransform.TransformPair(9, 11),
('EPSG:28357', 'EPSG:28356'):
QgsDatumTransform.TransformPair(-1, -1),
('EPSG:3111', 'EPSG:28356'):
QgsDatumTransform.TransformPair(17, -1),
('EPSG:3113', 'EPSG:28356'):
QgsDatumTransform.TransformPair(-1, 18)
})
# remove non-existing
context.removeCoordinateOperation(QgsCoordinateReferenceSystem(3113),
QgsCoordinateReferenceSystem(3111))
self.assertEqual(
context.sourceDestinationDatumTransforms(), {
('EPSG:3111', 'EPSG:4283'):
QgsDatumTransform.TransformPair(1, 2),
('EPSG:28356', 'EPSG:4283'):
QgsDatumTransform.TransformPair(3, 4),
('EPSG:28356', 'EPSG:28357'):
QgsDatumTransform.TransformPair(9, 11),
('EPSG:28357', 'EPSG:28356'):
QgsDatumTransform.TransformPair(-1, -1),
('EPSG:3111', 'EPSG:28356'):
QgsDatumTransform.TransformPair(17, -1),
('EPSG:3113', 'EPSG:28356'):
QgsDatumTransform.TransformPair(-1, 18)
})
# remove existing
context.removeCoordinateOperation(QgsCoordinateReferenceSystem(3111),
QgsCoordinateReferenceSystem(4283))
self.assertEqual(
context.sourceDestinationDatumTransforms(), {
('EPSG:28356', 'EPSG:4283'):
QgsDatumTransform.TransformPair(3, 4),
('EPSG:28356', 'EPSG:28357'):
QgsDatumTransform.TransformPair(9, 11),
('EPSG:28357', 'EPSG:28356'):
QgsDatumTransform.TransformPair(-1, -1),
('EPSG:3111', 'EPSG:28356'):
QgsDatumTransform.TransformPair(17, -1),
('EPSG:3113', 'EPSG:28356'):
QgsDatumTransform.TransformPair(-1, 18)
})
context.removeCoordinateOperation(QgsCoordinateReferenceSystem(3111),
QgsCoordinateReferenceSystem(28356))
self.assertEqual(
context.sourceDestinationDatumTransforms(), {
('EPSG:28356', 'EPSG:4283'):
QgsDatumTransform.TransformPair(3, 4),
('EPSG:28356', 'EPSG:28357'):
QgsDatumTransform.TransformPair(9, 11),
('EPSG:28357', 'EPSG:28356'):
QgsDatumTransform.TransformPair(-1, -1),
('EPSG:3113', 'EPSG:28356'):
QgsDatumTransform.TransformPair(-1, 18)
})
context.clear()
self.assertEqual(context.sourceDestinationDatumTransforms(), {})
def testSourceDestinationDatumTransforms(self):
context = QgsCoordinateTransformContext()
self.assertEqual(context.sourceDestinationDatumTransforms(), {})
self.assertFalse(
context.hasTransform(QgsCoordinateReferenceSystem('EPSG:3111'), QgsCoordinateReferenceSystem('EPSG:4283')))
self.assertTrue(context.addSourceDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem('EPSG:4283'), 1, 2))
self.assertTrue(
context.hasTransform(QgsCoordinateReferenceSystem('EPSG:3111'), QgsCoordinateReferenceSystem('EPSG:4283')))
self.assertFalse(
context.hasTransform(QgsCoordinateReferenceSystem('EPSG:3111'), QgsCoordinateReferenceSystem('EPSG:4326')))
self.assertFalse(
context.hasTransform(QgsCoordinateReferenceSystem('EPSG:3113'), QgsCoordinateReferenceSystem('EPSG:4283')))
self.assertEqual(context.sourceDestinationDatumTransforms(),
{('EPSG:3111', 'EPSG:4283'): QgsDatumTransform.TransformPair(1, 2)})
self.assertTrue(context.addSourceDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:28356'),
QgsCoordinateReferenceSystem(4283), 3, 4))
self.assertEqual(context.sourceDestinationDatumTransforms(),
{('EPSG:3111', 'EPSG:4283'): QgsDatumTransform.TransformPair(1, 2),
('EPSG:28356', 'EPSG:4283'): QgsDatumTransform.TransformPair(3, 4)})
self.assertTrue(context.addSourceDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:28356'),
QgsCoordinateReferenceSystem(28357), 7, 8))
self.assertEqual(context.sourceDestinationDatumTransforms(),
{('EPSG:3111', 'EPSG:4283'): QgsDatumTransform.TransformPair(1, 2),
('EPSG:28356', 'EPSG:4283'): QgsDatumTransform.TransformPair(3, 4),
('EPSG:28356', 'EPSG:28357'): QgsDatumTransform.TransformPair(7, 8)})
self.assertTrue(context.addSourceDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:28356'),
QgsCoordinateReferenceSystem('EPSG:28357'), 9, 11))
self.assertEqual(context.sourceDestinationDatumTransforms(),
{('EPSG:3111', 'EPSG:4283'): QgsDatumTransform.TransformPair(1, 2),
('EPSG:28356', 'EPSG:4283'): QgsDatumTransform.TransformPair(3, 4),
('EPSG:28356', 'EPSG:28357'): QgsDatumTransform.TransformPair(9, 11)})
# invalid additions
self.assertFalse(context.addSourceDestinationDatumTransform(QgsCoordinateReferenceSystem(),
QgsCoordinateReferenceSystem('EPSG:28357'), 9, 11))
self.assertEqual(context.sourceDestinationDatumTransforms(),
{('EPSG:3111', 'EPSG:4283'): QgsDatumTransform.TransformPair(1, 2),
('EPSG:28356', 'EPSG:4283'): QgsDatumTransform.TransformPair(3, 4),
('EPSG:28356', 'EPSG:28357'): QgsDatumTransform.TransformPair(9, 11)})
self.assertFalse(context.addSourceDestinationDatumTransform(QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem(), 9, 11))
self.assertEqual(context.sourceDestinationDatumTransforms(),
{('EPSG:3111', 'EPSG:4283'): QgsDatumTransform.TransformPair(1, 2),
('EPSG:28356', 'EPSG:4283'): QgsDatumTransform.TransformPair(3, 4),
('EPSG:28356', 'EPSG:28357'): QgsDatumTransform.TransformPair(9, 11)})
# indicate no transform required
self.assertTrue(context.addSourceDestinationDatumTransform(QgsCoordinateReferenceSystem(28357),
QgsCoordinateReferenceSystem(28356), -1, -1))
self.assertEqual(context.sourceDestinationDatumTransforms(),
{('EPSG:3111', 'EPSG:4283'): QgsDatumTransform.TransformPair(1, 2),
('EPSG:28356', 'EPSG:4283'): QgsDatumTransform.TransformPair(3, 4),
('EPSG:28356', 'EPSG:28357'): QgsDatumTransform.TransformPair(9, 11),
('EPSG:28357', 'EPSG:28356'): QgsDatumTransform.TransformPair(-1, -1)})
self.assertTrue(context.addSourceDestinationDatumTransform(QgsCoordinateReferenceSystem(3111),
QgsCoordinateReferenceSystem(28356), 17, -1))
self.assertEqual(context.sourceDestinationDatumTransforms(),
{('EPSG:3111', 'EPSG:4283'): QgsDatumTransform.TransformPair(1, 2),
('EPSG:28356', 'EPSG:4283'): QgsDatumTransform.TransformPair(3, 4),
('EPSG:28356', 'EPSG:28357'): QgsDatumTransform.TransformPair(9, 11),
('EPSG:28357', 'EPSG:28356'): QgsDatumTransform.TransformPair(-1, -1),
('EPSG:3111', 'EPSG:28356'): QgsDatumTransform.TransformPair(17, -1)})
self.assertTrue(context.addSourceDestinationDatumTransform(QgsCoordinateReferenceSystem(3113),
QgsCoordinateReferenceSystem(28356), -1, 18))
self.assertEqual(context.sourceDestinationDatumTransforms(),
{('EPSG:3111', 'EPSG:4283'): QgsDatumTransform.TransformPair(1, 2),
('EPSG:28356', 'EPSG:4283'): QgsDatumTransform.TransformPair(3, 4),
('EPSG:28356', 'EPSG:28357'): QgsDatumTransform.TransformPair(9, 11),
('EPSG:28357', 'EPSG:28356'): QgsDatumTransform.TransformPair(-1, -1),
('EPSG:3111', 'EPSG:28356'): QgsDatumTransform.TransformPair(17, -1),
('EPSG:3113', 'EPSG:28356'): QgsDatumTransform.TransformPair(-1, 18)})
# remove non-existing
context.removeCoordinateOperation(QgsCoordinateReferenceSystem(3113), QgsCoordinateReferenceSystem(3111))
self.assertEqual(context.sourceDestinationDatumTransforms(),
{('EPSG:3111', 'EPSG:4283'): QgsDatumTransform.TransformPair(1, 2),
('EPSG:28356', 'EPSG:4283'): QgsDatumTransform.TransformPair(3, 4),
('EPSG:28356', 'EPSG:28357'): QgsDatumTransform.TransformPair(9, 11),
('EPSG:28357', 'EPSG:28356'): QgsDatumTransform.TransformPair(-1, -1),
('EPSG:3111', 'EPSG:28356'): QgsDatumTransform.TransformPair(17, -1),
('EPSG:3113', 'EPSG:28356'): QgsDatumTransform.TransformPair(-1, 18)})
# remove existing
context.removeCoordinateOperation(QgsCoordinateReferenceSystem(3111),
QgsCoordinateReferenceSystem(4283))
self.assertEqual(context.sourceDestinationDatumTransforms(),
{('EPSG:28356', 'EPSG:4283'): QgsDatumTransform.TransformPair(3, 4),
('EPSG:28356', 'EPSG:28357'): QgsDatumTransform.TransformPair(9, 11),
('EPSG:28357', 'EPSG:28356'): QgsDatumTransform.TransformPair(-1, -1),
('EPSG:3111', 'EPSG:28356'): QgsDatumTransform.TransformPair(17, -1),
('EPSG:3113', 'EPSG:28356'): QgsDatumTransform.TransformPair(-1, 18)})
context.removeCoordinateOperation(QgsCoordinateReferenceSystem(3111),
QgsCoordinateReferenceSystem(28356))
self.assertEqual(context.sourceDestinationDatumTransforms(),
{('EPSG:28356', 'EPSG:4283'): QgsDatumTransform.TransformPair(3, 4),
('EPSG:28356', 'EPSG:28357'): QgsDatumTransform.TransformPair(9, 11),
('EPSG:28357', 'EPSG:28356'): QgsDatumTransform.TransformPair(-1, -1),
('EPSG:3113', 'EPSG:28356'): QgsDatumTransform.TransformPair(-1, 18)})
context.clear()
self.assertEqual(context.sourceDestinationDatumTransforms(), {})
def testSourceDestinationDatumTransformsProj6(self):
context = QgsCoordinateTransformContext()
self.assertEqual(context.sourceDestinationDatumTransforms(), {})
proj_string = '+proj=pipeline +step +inv +proj=lcc +lat_0=-37 +lon_0=145 +lat_1=-36 +lat_2=-38 +x_0=2500000 +y_0=2500000 +ellps=GRS80 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1'
self.assertFalse(
context.hasTransform(QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem('EPSG:4283')))
self.assertFalse(
context.mustReverseCoordinateOperation(
QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem('EPSG:4283')))
self.assertFalse(
context.mustReverseCoordinateOperation(
QgsCoordinateReferenceSystem('EPSG:4283'),
QgsCoordinateReferenceSystem('EPSG:3111')))
self.assertTrue(
context.addCoordinateOperation(
QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem('EPSG:4283'), proj_string))
self.assertTrue(
context.hasTransform(QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem('EPSG:4283')))
self.assertFalse(
context.hasTransform(QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem('EPSG:4326')))
self.assertFalse(
context.hasTransform(QgsCoordinateReferenceSystem('EPSG:3113'),
QgsCoordinateReferenceSystem('EPSG:4283')))
self.assertEqual(context.coordinateOperations(),
{('EPSG:3111', 'EPSG:4283'): proj_string})
self.assertTrue(
context.mustReverseCoordinateOperation(
QgsCoordinateReferenceSystem('EPSG:4283'),
QgsCoordinateReferenceSystem('EPSG:3111')))
self.assertTrue(
context.allowFallbackTransform(
QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem('EPSG:4283')))
self.assertTrue(
context.allowFallbackTransform(
QgsCoordinateReferenceSystem('EPSG:4283'),
QgsCoordinateReferenceSystem('EPSG:3111')))
self.assertTrue(
context.hasTransform(QgsCoordinateReferenceSystem('EPSG:4283'),
QgsCoordinateReferenceSystem('EPSG:3111')))
self.assertEqual(
context.calculateCoordinateOperation(
QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem('EPSG:4283')), proj_string)
self.assertFalse(
context.mustReverseCoordinateOperation(
QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem('EPSG:4283')))
# ideally not equal, but for now it's all we can do, and return True for mustReverseCoordinateOperation here
self.assertEqual(
context.calculateCoordinateOperation(
QgsCoordinateReferenceSystem('EPSG:4283'),
QgsCoordinateReferenceSystem('EPSG:3111')), proj_string)
self.assertTrue(
context.mustReverseCoordinateOperation(
QgsCoordinateReferenceSystem('EPSG:4283'),
QgsCoordinateReferenceSystem('EPSG:3111')))
self.assertTrue(
context.allowFallbackTransform(
QgsCoordinateReferenceSystem('EPSG:4283'),
QgsCoordinateReferenceSystem('EPSG:3111')))
proj_string_2 = 'dummy'
self.assertTrue(
context.addCoordinateOperation(
QgsCoordinateReferenceSystem('EPSG:4283'),
QgsCoordinateReferenceSystem('EPSG:3111'), proj_string_2,
False))
self.assertEqual(
context.calculateCoordinateOperation(
QgsCoordinateReferenceSystem('EPSG:4283'),
QgsCoordinateReferenceSystem('EPSG:3111')), proj_string_2)
self.assertFalse(
context.mustReverseCoordinateOperation(
QgsCoordinateReferenceSystem('EPSG:4283'),
QgsCoordinateReferenceSystem('EPSG:3111')))
context.removeCoordinateOperation(
QgsCoordinateReferenceSystem('EPSG:4283'),
QgsCoordinateReferenceSystem('EPSG:3111'))
self.assertTrue(
context.addCoordinateOperation(
QgsCoordinateReferenceSystem('EPSG:4283'),
QgsCoordinateReferenceSystem('EPSG:3113'), proj_string_2,
False))
self.assertFalse(
context.allowFallbackTransform(
QgsCoordinateReferenceSystem('EPSG:4283'),
QgsCoordinateReferenceSystem('EPSG:3113')))
self.assertFalse(
context.allowFallbackTransform(
QgsCoordinateReferenceSystem('EPSG:3113'),
QgsCoordinateReferenceSystem('EPSG:4283')))
context.removeCoordinateOperation(
QgsCoordinateReferenceSystem('EPSG:4283'),
QgsCoordinateReferenceSystem('EPSG:3113'))
proj_string_2 = '+proj=pipeline +step +inv +proj=utm +zone=56 +south +ellps=GRS80 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1'
self.assertTrue(
context.addCoordinateOperation(
QgsCoordinateReferenceSystem('EPSG:28356'),
QgsCoordinateReferenceSystem(4283), proj_string_2))
self.assertEqual(
context.coordinateOperations(), {
('EPSG:3111', 'EPSG:4283'): proj_string,
('EPSG:28356', 'EPSG:4283'): proj_string_2
})
proj_string_3 = '+proj=pipeline +step +inv +proj=utm +zone=56 +south +ellps=GRS80 +step +proj=utm +zone=57 +south +ellps=GRS80'
self.assertTrue(
context.addCoordinateOperation(
QgsCoordinateReferenceSystem('EPSG:28356'),
QgsCoordinateReferenceSystem(28357), proj_string_3))
self.assertEqual(
context.coordinateOperations(), {
('EPSG:3111', 'EPSG:4283'): proj_string,
('EPSG:28356', 'EPSG:4283'): proj_string_2,
('EPSG:28356', 'EPSG:28357'): proj_string_3
})
self.assertTrue(
context.addCoordinateOperation(
QgsCoordinateReferenceSystem('EPSG:28356'),
QgsCoordinateReferenceSystem('EPSG:28357'),
'some other proj string'))
self.assertEqual(
context.coordinateOperations(), {
('EPSG:3111', 'EPSG:4283'): proj_string,
('EPSG:28356', 'EPSG:4283'): proj_string_2,
('EPSG:28356', 'EPSG:28357'): 'some other proj string'
})
# invalid additions
self.assertFalse(
context.addCoordinateOperation(
QgsCoordinateReferenceSystem(),
QgsCoordinateReferenceSystem('EPSG:28357'), 'bad proj'))
self.assertEqual(
context.coordinateOperations(), {
('EPSG:3111', 'EPSG:4283'): proj_string,
('EPSG:28356', 'EPSG:4283'): proj_string_2,
('EPSG:28356', 'EPSG:28357'): 'some other proj string'
})
self.assertFalse(
context.addCoordinateOperation(
QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem(), 'bad proj'))
self.assertEqual(
context.coordinateOperations(), {
('EPSG:3111', 'EPSG:4283'): proj_string,
('EPSG:28356', 'EPSG:4283'): proj_string_2,
('EPSG:28356', 'EPSG:28357'): 'some other proj string'
})
# indicate no transform required
self.assertTrue(
context.addCoordinateOperation(QgsCoordinateReferenceSystem(28357),
QgsCoordinateReferenceSystem(28356),
''))
self.assertEqual(
context.coordinateOperations(), {
('EPSG:3111', 'EPSG:4283'): proj_string,
('EPSG:28356', 'EPSG:4283'): proj_string_2,
('EPSG:28356', 'EPSG:28357'): 'some other proj string',
('EPSG:28357', 'EPSG:28356'): ''
})
# remove non-existing
context.removeCoordinateOperation(QgsCoordinateReferenceSystem(3113),
QgsCoordinateReferenceSystem(3111))
self.assertEqual(
context.coordinateOperations(), {
('EPSG:3111', 'EPSG:4283'): proj_string,
('EPSG:28356', 'EPSG:4283'): proj_string_2,
('EPSG:28356', 'EPSG:28357'): 'some other proj string',
('EPSG:28357', 'EPSG:28356'): ''
})
# remove existing
context.removeCoordinateOperation(QgsCoordinateReferenceSystem(3111),
QgsCoordinateReferenceSystem(4283))
self.assertEqual(
context.coordinateOperations(), {
('EPSG:28356', 'EPSG:4283'): proj_string_2,
('EPSG:28356', 'EPSG:28357'): 'some other proj string',
('EPSG:28357', 'EPSG:28356'): ''
})
context.removeCoordinateOperation(QgsCoordinateReferenceSystem(28356),
QgsCoordinateReferenceSystem(28357))
self.assertEqual(
context.coordinateOperations(), {
('EPSG:28356', 'EPSG:4283'): proj_string_2,
('EPSG:28357', 'EPSG:28356'): ''
})
context.clear()
self.assertEqual(context.coordinateOperations(), {})
def testSourceDestinationDatumTransformsProj6(self):
context = QgsCoordinateTransformContext()
self.assertEqual(context.sourceDestinationDatumTransforms(), {})
proj_string = '+proj=pipeline +step +inv +proj=lcc +lat_0=-37 +lon_0=145 +lat_1=-36 +lat_2=-38 +x_0=2500000 +y_0=2500000 +ellps=GRS80 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1'
self.assertFalse(
context.hasTransform(QgsCoordinateReferenceSystem('EPSG:3111'), QgsCoordinateReferenceSystem('EPSG:4283')))
self.assertTrue(context.addCoordinateOperation(QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem('EPSG:4283'), proj_string))
self.assertTrue(
context.hasTransform(QgsCoordinateReferenceSystem('EPSG:3111'), QgsCoordinateReferenceSystem('EPSG:4283')))
self.assertFalse(
context.hasTransform(QgsCoordinateReferenceSystem('EPSG:3111'), QgsCoordinateReferenceSystem('EPSG:4326')))
self.assertFalse(
context.hasTransform(QgsCoordinateReferenceSystem('EPSG:3113'), QgsCoordinateReferenceSystem('EPSG:4283')))
self.assertEqual(context.coordinateOperations(), {('EPSG:3111', 'EPSG:4283'): proj_string})
proj_string_2 = '+proj=pipeline +step +inv +proj=utm +zone=56 +south +ellps=GRS80 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1'
self.assertTrue(context.addCoordinateOperation(QgsCoordinateReferenceSystem('EPSG:28356'),
QgsCoordinateReferenceSystem(4283), proj_string_2))
self.assertEqual(context.coordinateOperations(), {('EPSG:3111', 'EPSG:4283'): proj_string,
('EPSG:28356', 'EPSG:4283'): proj_string_2})
proj_string_3 = '+proj=pipeline +step +inv +proj=utm +zone=56 +south +ellps=GRS80 +step +proj=utm +zone=57 +south +ellps=GRS80'
self.assertTrue(context.addCoordinateOperation(QgsCoordinateReferenceSystem('EPSG:28356'),
QgsCoordinateReferenceSystem(28357), proj_string_3))
self.assertEqual(context.coordinateOperations(), {('EPSG:3111', 'EPSG:4283'): proj_string,
('EPSG:28356', 'EPSG:4283'): proj_string_2,
('EPSG:28356', 'EPSG:28357'): proj_string_3})
self.assertTrue(context.addCoordinateOperation(QgsCoordinateReferenceSystem('EPSG:28356'),
QgsCoordinateReferenceSystem('EPSG:28357'),
'some other proj string'))
self.assertEqual(context.coordinateOperations(), {('EPSG:3111', 'EPSG:4283'): proj_string,
('EPSG:28356', 'EPSG:4283'): proj_string_2,
('EPSG:28356', 'EPSG:28357'): 'some other proj string'})
# invalid additions
self.assertFalse(context.addCoordinateOperation(QgsCoordinateReferenceSystem(),
QgsCoordinateReferenceSystem('EPSG:28357'), 'bad proj'))
self.assertEqual(context.coordinateOperations(), {('EPSG:3111', 'EPSG:4283'): proj_string,
('EPSG:28356', 'EPSG:4283'): proj_string_2,
('EPSG:28356', 'EPSG:28357'): 'some other proj string'})
self.assertFalse(context.addCoordinateOperation(QgsCoordinateReferenceSystem('EPSG:3111'),
QgsCoordinateReferenceSystem(), 'bad proj'))
self.assertEqual(context.coordinateOperations(), {('EPSG:3111', 'EPSG:4283'): proj_string,
('EPSG:28356', 'EPSG:4283'): proj_string_2,
('EPSG:28356', 'EPSG:28357'): 'some other proj string'})
# indicate no transform required
self.assertTrue(context.addCoordinateOperation(QgsCoordinateReferenceSystem(28357),
QgsCoordinateReferenceSystem(28356), ''))
self.assertEqual(context.coordinateOperations(), {('EPSG:3111', 'EPSG:4283'): proj_string,
('EPSG:28356', 'EPSG:4283'): proj_string_2,
('EPSG:28356', 'EPSG:28357'): 'some other proj string',
('EPSG:28357', 'EPSG:28356'): ''})
# remove non-existing
context.removeCoordinateOperation(QgsCoordinateReferenceSystem(3113), QgsCoordinateReferenceSystem(3111))
self.assertEqual(context.coordinateOperations(), {('EPSG:3111', 'EPSG:4283'): proj_string,
('EPSG:28356', 'EPSG:4283'): proj_string_2,
('EPSG:28356', 'EPSG:28357'): 'some other proj string',
('EPSG:28357', 'EPSG:28356'): ''})
# remove existing
context.removeCoordinateOperation(QgsCoordinateReferenceSystem(3111),
QgsCoordinateReferenceSystem(4283))
self.assertEqual(context.coordinateOperations(), {('EPSG:28356', 'EPSG:4283'): proj_string_2,
('EPSG:28356', 'EPSG:28357'): 'some other proj string',
('EPSG:28357', 'EPSG:28356'): ''})
context.removeCoordinateOperation(QgsCoordinateReferenceSystem(28356),
QgsCoordinateReferenceSystem(28357))
self.assertEqual(context.coordinateOperations(), {('EPSG:28356', 'EPSG:4283'): proj_string_2,
('EPSG:28357', 'EPSG:28356'): ''})
context.clear()
self.assertEqual(context.coordinateOperations(), {})
