visad/src/main/java/ucar/nc2/iosp/mcidas/AreaReader.java
private void setNavBlockAttributes(Variable v) {
    if ((navBlock == null) || (ad == null)) {
      return;
    }
    v.addAttribute(
            new Attribute(
                    "navigation_type", McIDASUtil.intBitsToString(navBlock[0])));
  }
private void setNavBlockAttributes(Variable v) {
    if ((navBlock == null) || (ad == null)) {
      return;
    }
    v.addAttribute(
            new Attribute(
                    "navigation_type", McIDASUtil.intBitsToString(navBlock[0])));
  }
Set the navigation block attributes on the variable

@param v the variable to set them on