diff options
Diffstat (limited to 'buch/chapters/110-elliptisch/images/ellselection.tex')
-rw-r--r-- | buch/chapters/110-elliptisch/images/ellselection.tex | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/buch/chapters/110-elliptisch/images/ellselection.tex b/buch/chapters/110-elliptisch/images/ellselection.tex index 9e822ec..0dd1e04 100644 --- a/buch/chapters/110-elliptisch/images/ellselection.tex +++ b/buch/chapters/110-elliptisch/images/ellselection.tex @@ -14,15 +14,22 @@ \def\skala{1} \begin{tikzpicture}[>=latex,thick,scale=\skala] +\input{rechteckpfade2.tex} + \def\l{0.45} \pgfmathparse{\l*72/2.54} \xdef\L{\pgfmathresult} +\pgfmathparse{4.1/\xmax} +\xdef\dx{\pgfmathresult} +\xdef\dy{\dx} + \def\sx{4.1} \pgfmathparse{\sx*72/2.54} \xdef\Sx{\pgfmathresult} -\def\sy{3.2} +\pgfmathparse{\dx*\ymax} +\xdef\sy{\pgfmathresult} \pgfmathparse{\sy*72/2.54} \xdef\Sy{\pgfmathresult} @@ -36,8 +43,10 @@ \pgfmathparse{\sy/2} \xdef\rechtsy{\pgfmathresult} -\fill[color=red!20] ({-\sx},0) rectangle (\sx,\sy); -\fill[color=blue!20] ({-\sx},{-\sy}) rectangle (\sx,0); +\hintergrund +\netz{0.7pt} +\fill[color=red!14,opacity=0.7] ({-\sx},0) rectangle (\sx,\sy); +\fill[color=blue!14,opacity=0.7] ({-\sx},{-\sy}) rectangle (\sx,0); \fill[color=yellow!40,opacity=0.5] (0,0) rectangle (\sx,\sy); \draw (-\sx,-\sy) rectangle (\sx,\sy); |