visad/src/main/java/ucar/nc2/iosp/mcidas/McIDASAreaTransformBuilder.java
public ProjectionCT makeCoordinateTransform(AttributeContainer ctv, String units) {

    int[] area = getIntArray(ctv, McIDASAreaProjection.ATTR_AREADIR);
    int[] nav = getIntArray(ctv, McIDASAreaProjection.ATTR_NAVBLOCK);
    int[] aux = null;
    if (ctv.findAttributeIgnoreCase(McIDASAreaProjection.ATTR_AUXBLOCK) != null) {
      aux = getIntArray(ctv, McIDASAreaProjection.ATTR_AUXBLOCK);
    }
    // not clear if its ok if aux is null, coverity is complaining

    McIDASAreaProjection proj = new McIDASAreaProjection(area, nav, aux);
    return new ProjectionCT(ctv.getName(), "FGDC", proj);
  }
public ProjectionCT makeCoordinateTransform(AttributeContainer ctv, String units) {

    int[] area = getIntArray(ctv, McIDASAreaProjection.ATTR_AREADIR);
    int[] nav = getIntArray(ctv, McIDASAreaProjection.ATTR_NAVBLOCK);
    int[] aux = null;
    if (ctv.findAttributeIgnoreCase(McIDASAreaProjection.ATTR_AUXBLOCK) != null) {
      aux = getIntArray(ctv, McIDASAreaProjection.ATTR_AUXBLOCK);
    }
    // not clear if its ok if aux is null, coverity is complaining

    McIDASAreaProjection proj = new McIDASAreaProjection(area, nav, aux);
    return new ProjectionCT(ctv.getName(), "FGDC", proj);
  }
Make the coordinate transform

@param ctv the coordinate transform variable
@return the coordinate transform