From d4e52d5bd83bed95d7712c34e14ccde3ff72810e Mon Sep 17 00:00:00 2001
From: Nicolas Tobler <nicolas.tobler@ost.ch>
Date: Tue, 9 Aug 2022 23:54:32 +0200
Subject: Improved plot color choices

---
 buch/papers/ellfilter/tikz/arccos2.tikz.tex | 41 +++++++++++++++++++----------
 1 file changed, 27 insertions(+), 14 deletions(-)

(limited to 'buch/papers/ellfilter/tikz/arccos2.tikz.tex')

diff --git a/buch/papers/ellfilter/tikz/arccos2.tikz.tex b/buch/papers/ellfilter/tikz/arccos2.tikz.tex
index 755e8a0..c3f11bb 100644
--- a/buch/papers/ellfilter/tikz/arccos2.tikz.tex
+++ b/buch/papers/ellfilter/tikz/arccos2.tikz.tex
@@ -2,21 +2,34 @@
 
     \tikzstyle{zero} = [draw, circle, inner sep =0, minimum height=0.15cm]
     \tikzset{pole/.style={cross out, draw=black, minimum size=(0.15cm-\pgflinewidth), inner sep=0pt, outer sep=0pt}}
+    \tikzstyle{dot} = [fill, circle, inner sep =0, minimum height=0.1cm]
 
-    \begin{scope}[xscale=0.5]
 
-        \draw[gray, ->] (0,-2) -- (0,2) node[anchor=south]{$\mathrm{Im}~z_1$};
-        \draw[gray, ->] (-10,0) -- (10,0) node[anchor=west]{$\mathrm{Re}~z_1$};
+    \begin{scope}[xscale=0.75]
+
+        \draw[gray, ->] (0,-1) -- (0,2) node[anchor=south]{$\mathrm{Im}~z_1$};
+        \draw[gray, ->] (-2,0) -- (9,0) node[anchor=west]{$\mathrm{Re}~z_1$};
 
         \begin{scope}
 
-            \draw[>->, line width=0.05, thick, blue]   (2, 1.5) -- (2,0.05)  -- node[anchor=south, pos=0.5]{$N=1$} (0.1,0.05) -- (0.1,1.5);
-            \draw[>->, line width=0.05, thick, orange] (4, 1.5) -- (4,0)     -- node[anchor=south, pos=0.25]{$N=2$} (0,0) -- (0,1.5);
-            \draw[>->, line width=0.05, thick, red]    (6, 1.5) node[anchor=north west]{$-\infty$} -- (6,-0.05) node[anchor=west]{$-1$} -- node[anchor=north]{$0$} node[anchor=south, pos=0.1666]{$N=3$} (-0.1,-0.05) node[anchor=east]{$1$}  -- (-0.1,1.5) node[anchor=north east]{$\infty$};
+            \draw[->, ultra thick, blue] (8, 1.5) --  node[align=center]{Sperrbereich} (8,0);
+            \draw[->, ultra thick, cyan] (8, 0) -- node[yshift=-0.5cm]{Durchlassbereich}(4,0);
+            \draw[->, ultra thick, darkgreen] (4, 0) -- node[yshift=-0.5cm]{Durchlassbereich} (0,0);
+            \draw[->, ultra thick, orange] (0, 0) --  node[align=center]{Sperrbereich} (0,1.5);
+
+            \node[anchor=north east] at (8, 1.5) {$-\infty$};
+            \draw (8, 0) node[dot]{} node[anchor=south east] {$1$};
+            \draw (6, 0) node[dot]{} node[anchor=south] {$-1$};
+            \draw (4, 0) node[dot]{} node[anchor=south] {$1$};
+            \draw (2, 0) node[dot]{} node[anchor=south] {$-1$};
+            \draw (0, 0) node[dot]{} node[anchor=south west] {$1$};
+            \node[anchor=north west] at (0, 1.5){$\infty$};
+
+            \node at(4,1) {$N = 4$};
 
-            \node[zero] at (-7,0) {};
-            \node[zero] at (-5,0) {};
-            \node[zero] at (-3,0) {};
+            % \node[zero] at (-7,0) {};
+            % \node[zero] at (-5,0) {};
+            % \node[zero] at (-3,0) {};
             \node[zero] at (-1,0) {};
             \node[zero] at (1,0) {};
             \node[zero] at (3,0) {};
@@ -25,9 +38,9 @@
 
         \end{scope}
 
-        \node[gray, anchor=north] at (-8,0) {$-4\pi$};
-        \node[gray, anchor=north] at (-6,0) {$-3\pi$};
-        \node[gray, anchor=north] at (-4,0) {$-2\pi$};
+        % \node[gray, anchor=north] at (-8,0) {$-4\pi$};
+        % \node[gray, anchor=north] at (-6,0) {$-3\pi$};
+        % \node[gray, anchor=north] at (-4,0) {$-2\pi$};
         \node[gray, anchor=north] at (-2,0) {$-\pi$};
         \node[gray, anchor=north] at (2,0) {$\pi$};
         \node[gray, anchor=north] at (4,0) {$2\pi$};
@@ -35,12 +48,12 @@
         \node[gray, anchor=north] at (8,0) {$4\pi$};
 
 
-        \node[gray, anchor=east] at (0,-1.5) {$-\infty$};
+        % \node[gray, anchor=east] at (0,-1.5) {$-\infty$};
         \node[gray, anchor=east] at (0, 1.5) {$\infty$};
 
     \end{scope}
 
-    \node[zero] at (4,2) (n) {};
+    \node[zero] at (6.5,2) (n) {};
     \node[anchor=west] at (n.east) {Zero};
 
 \end{tikzpicture}
\ No newline at end of file
-- 
cgit v1.2.1

