/**
  * Creates a plane info object.
  *
  * @param z The selected z-section.
  * @param t The selected time-point.
  * @param c The selected channel.
  * @return See above.
  * @throws Exception Thrown if an error occurred.
  */
 public PlaneInfo createPlaneInfo(int z, int t, int c) throws Exception {
   PlaneInfo planeInfo = new PlaneInfoI();
   planeInfo.setTheZ(omero.rtypes.rint(z));
   planeInfo.setTheC(omero.rtypes.rint(c));
   planeInfo.setTheT(omero.rtypes.rint(t));
   planeInfo.setDeltaT(omero.rtypes.rdouble(0.5));
   return planeInfo;
 }