1 files changed, 14 insertions, 14 deletions

diff --git a/buch/papers/ellfilter/tikz/arccos.tikz.tex b/buch/papers/ellfilter/tikz/arccos.tikz.tex
index 4211053..a139fc4 100644
--- a/buch/papers/ellfilter/tikz/arccos.tikz.tex
+++ b/buch/papers/ellfilter/tikz/arccos.tikz.tex
@@ -23,26 +23,26 @@
         \clip(-7.5,-2) rectangle (7.5,2);
 
         % \pause
-        \draw[ultra thick, ->, orange] (1, 0) -- (0,0);
+        \draw[ultra thick, ->, darkgreen] (1, 0) -- (0,0);
         % \pause
-        \draw[ultra thick, ->, darkgreen] (0, 0) -- (0,1.5);
+        \draw[ultra thick, ->, orange] (0, 0) -- (0,1.5);
         % \pause
-        \draw[ultra thick, ->, red] (2, 0) -- (1,0);
+        \draw[ultra thick, ->, cyan] (2, 0) -- (1,0);
         \draw[ultra thick, ->, blue] (2,1.5) -- (2, 0);
 
         % \pause
 
         \foreach \i in {-2,...,1} {
             \begin{scope}[xshift=\i*4cm]
-                \begin{scope}[opacity=0.5]
-                    \draw[->, orange] (-1, 0) -- (0,0);
-                    \draw[->, darkgreen] (0, 0) -- (0,1.5);
-                    \draw[->, darkgreen] (0, 0) -- (0,-1.5);
-                    \draw[->, orange] (1, 0) -- (0,0);
-                    \draw[->, red] (2, 0) -- (1,0);
+                \begin{scope}[]
+                    \draw[->, darkgreen] (-1, 0) -- (0,0);
+                    \draw[->, orange] (0, 0) -- (0,1.5);
+                    \draw[->, orange] (0, 0) -- (0,-1.5);
+                    \draw[->, darkgreen] (1, 0) -- (0,0);
+                    \draw[->, cyan] (2, 0) -- (1,0);
                     \draw[->, blue] (2,1.5) -- (2, 0);
                     \draw[->, blue] (2,-1.5) -- (2, 0);
-                    \draw[->, red] (2, 0) -- (3,0);
+                    \draw[->, cyan] (2, 0) -- (3,0);
                 \end{scope}
                 \node[zero] at (1,0) {};
                 \node[zero] at (3,0) {};
@@ -58,10 +58,10 @@
 
         \draw[gray, ->] (-5,0) -- (5,0) node[anchor=west]{$w$};
 
-        \draw[thick, ->, blue]      (-4, 0) -- (-2, 0);
-        \draw[thick, ->, red]       (-2, 0) -- (0, 0);
-        \draw[thick, ->, orange]    (0, 0) -- (2, 0);
-        \draw[thick, ->, darkgreen] (2, 0) -- (4, 0);
+        \draw[ultra thick, ->, blue]      (-4, 0) -- (-2, 0);
+        \draw[ultra thick, ->, cyan]       (-2, 0) -- (0, 0);
+        \draw[ultra thick, ->, darkgreen]    (0, 0) -- (2, 0);
+        \draw[ultra thick, ->, orange] (2, 0) -- (4, 0);
 
         \node[anchor=south] at (-4,0) {$-\infty$};
         \node[anchor=south] at (-2,0) {$-1$};