def testWillUseEllipsoid(self):
"""test QgsDistanceArea::willUseEllipsoid """
da = QgsDistanceArea()
da.setEllipsoid("NONE")
self.assertFalse(da.willUseEllipsoid())
da.setEllipsoid("WGS84")
self.assertTrue(da.willUseEllipsoid())
def testWillUseEllipsoid(self):
"""test QgsDistanceArea::willUseEllipsoid """
da = QgsDistanceArea()
da.setEllipsoid("NONE")
self.assertFalse(da.willUseEllipsoid())
da.setEllipsoid("WGS84")
self.assertTrue(da.willUseEllipsoid())
def get_a_and_b(self,layer):
#this_crs = layer.crs()
#wkt = this_crs.toWkt()
#srs = osr.SpatialReference()
#srs.importFromWkt(wkt)
#print(srs)
#print(dir(this_crs))
p = QgsProject.instance()
e = p.ellipsoid()
crs = p.crs()
srs = osr.SpatialReference()
srs.ImportFromProj4(crs.toProj4())
print("******",e)
da = QgsDistanceArea()
da.willUseEllipsoid() # should be true
a = srs.GetSemiMajor()
b = srs.GetSemiMinor()
return a,b
