// get all opened view viewers = gui.getViewers() // get LUT (look up table) from current view lut = gui.getActiveLUT() // current view exist ? if (lut != null) { // for all opened views for(i = 0; i < viewers.size(); i++) { // take the LUT v = viewers.get(i) l = v.getLut() // and set it from active view LUT l.copyFrom(lut) } }