visad/src/main/java/ucar/nc2/iosp/mcidas/McIDASLookup.java
public final int getProjectionType(GridDefRecord gds) {
    String name = getProjectionName(gds).trim();
    switch (name) {
      case "MERC":
        return Mercator;
      case "CONF":
        return LambertConformal;
      case "PS":
        return PolarStereographic;
      default:
        return -1;
    }
  }
public final int getProjectionType(GridDefRecord gds) {
    String name = getProjectionName(gds).trim();
    switch (name) {
      case "MERC":
        return Mercator;
      case "CONF":
        return LambertConformal;
      case "PS":
        return PolarStereographic;
      default:
        return -1;
    }
  }
gets the ProjectionType.