function update_plot (obj, messwerte, Koordinaten)
  h = guidata (obj);
  time = get (h.time_slider, 'value');
  guidata (obj, h);
  set (h.time_label, 'string', sprintf ('Time: %.1f%%', time * 100));
  myColorMap = jet(500);
    j=round(time*1.51+350);
    for i=1:16
      index = round(mapfun(messwerte(j,i+6),-125,125,0,500));
      scatter3(Koordinaten(i,1),Koordinaten(i,2),Koordinaten(i,3),800,myColorMap(index,:),'MarkerFaceColor',myColorMap(index,:))
      hold on
    endfor
    title(j);
      
endfunction