diff --git a/presentation/diagrams/diagramm_occlusion.tex b/presentation/diagrams/diagramm_occlusion.tex
index 345f838..1a5fc23 100644
--- a/presentation/diagrams/diagramm_occlusion.tex
+++ b/presentation/diagrams/diagramm_occlusion.tex
@@ -1,9 +1,9 @@
 \begin{tikzpicture}
   
-    \def\raynum{120}
+    \def\raynum{60}
 
     \foreach \x in {0,...,\raynum} {
-        \ifthenelse{\x < 20 \OR \x>100}
+        \ifthenelse{\x < 10 \OR \x>50}
         {
             \draw[color = kit-blue100] (\x /\raynum * 6 ,0) -- (3,4);
         }{
diff --git a/presentation/prototyper.tex b/presentation/prototyper.tex
index f534034..c985e8f 100644
--- a/presentation/prototyper.tex
+++ b/presentation/prototyper.tex
@@ -10,6 +10,6 @@
 
 \begin{document}
 \begin{frame}
-\input{diagrams/raytracing_anim.tex}
+\input{diagrams/diagramm_occlusion.tex}
 \end{frame}
 \end{document}
\ No newline at end of file