def testcrsByProj4(self): """ test retrieving CRS from cache using proj4 """ crs = QgsCRSCache.instance().crsByProj4('+proj=utm +zone=55 +south +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs ') self.assertTrue(crs.isValid()) self.assertEqual(crs.authid(), 'EPSG:28355') # a second time, so crs is fetched from cache crs = QgsCRSCache.instance().crsByProj4('+proj=utm +zone=55 +south +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs ') self.assertTrue(crs.isValid()) self.assertEqual(crs.authid(), 'EPSG:28355') # invalid crs = QgsCRSCache.instance().crsByProj4('asdasdasd') self.assertFalse(crs.isValid()) # a second time, so invalid crs is fetched from cache crs = QgsCRSCache.instance().crsByProj4('asdasdasd') self.assertFalse(crs.isValid())
def testcrsByOgcWmsCrs(self): """ test retrieving CRS from cache using Ogc WMS definition """ crs = QgsCRSCache.instance().crsByOgcWmsCrs('EPSG:4326') self.assertTrue(crs.isValid()) self.assertEqual(crs.authid(), 'EPSG:4326') # a second time, so crs is fetched from cache crs = QgsCRSCache.instance().crsByOgcWmsCrs('EPSG:4326') self.assertTrue(crs.isValid()) self.assertEqual(crs.authid(), 'EPSG:4326') # invalid crs = QgsCRSCache.instance().crsByOgcWmsCrs('i am not a CRS') self.assertFalse(crs.isValid()) # a second time, so invalid crs is fetched from cache crs = QgsCRSCache.instance().crsByOgcWmsCrs('i am not a CRS') self.assertFalse(crs.isValid())
def testcrsByEpsgId(self): """ test retrieving CRS from cache using EPSG id """ crs = QgsCRSCache.instance().crsByEpsgId(3111) self.assertTrue(crs.isValid()) self.assertEqual(crs.authid(), 'EPSG:3111') # a second time, so crs is fetched from cache crs = QgsCRSCache.instance().crsByEpsgId(3111) self.assertTrue(crs.isValid()) self.assertEqual(crs.authid(), 'EPSG:3111') # invalid crs = QgsCRSCache.instance().crsByEpsgId(-9999) self.assertFalse(crs.isValid()) # a second time, so invalid crs is fetched from cache crs = QgsCRSCache.instance().crsByEpsgId(-9999) self.assertFalse(crs.isValid())
def testcrsByWkt(self): """ test retrieving CRS from cache using wkt """ # EPSG3111 wkt = 'PROJCS["GDA94 / Vicgrid94",GEOGCS["GDA94",DATUM["Geocentric_Datum_of_Australia_1994",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6283"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.01745329251994328,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4283"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["standard_parallel_1",-36],PARAMETER["standard_parallel_2",-38],PARAMETER["latitude_of_origin",-37],PARAMETER["central_meridian",145],PARAMETER["false_easting",2500000],PARAMETER["false_northing",2500000],AUTHORITY["EPSG","3111"],AXIS["Easting",EAST],AXIS["Northing",NORTH]]' crs = QgsCRSCache.instance().crsByWkt(wkt) self.assertTrue(crs.isValid()) self.assertEqual(crs.authid(), 'EPSG:3111') # a second time, so crs is fetched from cache crs = QgsCRSCache.instance().crsByWkt(wkt) self.assertTrue(crs.isValid()) self.assertEqual(crs.authid(), 'EPSG:3111') # invalid crs = QgsCRSCache.instance().crsByWkt('asdasdasd') self.assertFalse(crs.isValid()) # a second time, so invalid crs is fetched from cache crs = QgsCRSCache.instance().crsByWkt('asdasdasd') self.assertFalse(crs.isValid())
def testcrsByProj4(self): """ test retrieving CRS from cache using proj4 """ crs = QgsCRSCache.instance().crsByProj4( '+proj=utm +zone=55 +south +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs ' ) self.assertTrue(crs.isValid()) self.assertEqual(crs.authid(), 'EPSG:28355') # a second time, so crs is fetched from cache crs = QgsCRSCache.instance().crsByProj4( '+proj=utm +zone=55 +south +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs ' ) self.assertTrue(crs.isValid()) self.assertEqual(crs.authid(), 'EPSG:28355') # invalid crs = QgsCRSCache.instance().crsByProj4('asdasdasd') self.assertFalse(crs.isValid()) # a second time, so invalid crs is fetched from cache crs = QgsCRSCache.instance().crsByProj4('asdasdasd') self.assertFalse(crs.isValid())
def testInstance(self): """ test retrieving global instance """ self.assertTrue(QgsCRSCache.instance())
def layerDefaultCrs(): return QgsCRSCache.instance().crsByOgcWmsCrs(Application.layerDefaultCrsAuthid())
def projectDefaultCrs(): return QgsCRSCache.instance().crsByOgcWmsCrs(Application.projectDefaultCrsAuthid())
def layerDefaultCrs(): return QgsCRSCache.instance().crsByOgcWmsCrs( Application.layerDefaultCrsAuthid())
def projectDefaultCrs(): return QgsCRSCache.instance().crsByOgcWmsCrs( Application.projectDefaultCrsAuthid())