if (id == null) throw new ProjectionConfigurationException(tr("Projection required (+proj=*)"));
Proj proj = Projections.getBaseProjection(id);
if (proj == null) throw new ProjectionConfigurationException(tr("Unknown projection identifier: ''{0}''", id));
ProjParameters projParams = new ProjParameters();
projParams.ellps = ellps;
String s;
s = parameters.get(Param.lat_0.key);