SmtC: Show me the Code!

< Separation | Angle | Klein >

Angle $\beta=V\widehat{C}B$

$V$ in left half-plane and $C$ $y$-axis.

TiKZ Listing: Fig.tikz.tex. PDF PNG SVG ZIP*

%Point A
\tikzmath{\xa=-1;};
\tikzmath{\ya=-1;};

%Point B
\tikzmath{\xb= 1;};
\tikzmath{\yb= 1;};

%Left and right limit for x
\tikzmath{\xleft=-3;};
\tikzmath{\xright= 3;};


\input{/usr/local/tikz/Common.tikz}
\input{/usr/local/tikz/Moulton/Calc.Moulton.tikz}
\input{/usr/local/tikz/Moulton/Styles.tikz}

\tikzmath{\ybottom=\m*\xleft+\k;};
\tikzmath{\ytop= 3;};

\draw [-Latex] (\xleft,0)    -- (\xright,0) node [right] {$x$};
\draw [-Latex] (0,\ybottom)  -- (0,\ytop)   node [above] {$y$};


\input{/usr/local/tikz/Moulton/Draw.Line.tikz}
\coordinate (V) at (\xa,-\ya);

\coordinate (BB) at (\xb,\m*\xb+\k);
\coordinate (BBB) at (\xright,\m*\xright+\k);

\fill (V)  circle(1pt) node [above] {$V$};
\fill (B)  circle(1pt) node [below] {$B$};
\fill (C)  circle(1pt) node [right] {$C$};
\fill (BB) circle(1pt) node [above] {$B'$};

\draw[dashed] (V) -- (C) -- (BBB);


\tkzMarkAngle[size=0.3](BB,C,V);
\tkzLabelAngle[pos=0.5](BB,C,V) {$\beta$};

\tkzMarkAngle[size=0.9](B,C,BBB);
\tkzLabelAngle[pos=1.1](B,C,BBB) {$\alpha$};

Showing: /usr/local/tikz/Moulton/Calc.Moulton.tikz:

TiKZ Listing: /usr/local/tikz/Moulton/Calc.Moulton.tikz.tex. PDF PNG SVG ZIP*

%Position of line titles
\tikzmath{\titlepos=-0.1;};
\tikzmath{\contpos=-0.2;};
\tikzmath{\contposleft=-0.5;};
\tikzmath{\contposright=-0.2;};
\tikzmath{\normalsize=1.5;};

\tikzmath{\tangentialfact=2.5;};


%Moulton parameters, y=\m*x+\k
\tikzmath{\m=(\yb-\ya)/(0.5*\xb-\xa);};
\tikzmath{\k=\ya-\m*\xa;};

%Nodes A, B and C
\coordinate (A) at ($(\xa,\ya)$);
\coordinate (B) at ($(\xb,\yb)$);
\coordinate (C) at ($(0,\k)$);
\coordinate (CX) at ($(-\k/\m,0)$);

%Points on left and right lines
\coordinate (CL) at ($(\xleft,\xleft*\m+\k)$);
\coordinate (CR) at ($(\xright,0.5*\xright*\m+\k)$);

\tikzmath{\x=\tangentialfact*\xleft;};
\coordinate (FCL) at ($(\x,\x*\m+\k)$);

\tikzmath{\x=\tangentialfact*\xright;};
\coordinate (FCR) at ($(\x,0.5*\x*\m+\k)$);

\coordinate (DL) at ($(\xleft,0.5*\xleft*\m+\k)$);
\coordinate (DR) at ($(\xright,\xright*\m+\k)$);



%Length to go along normals
\tikzmath{\LR=2;};
\tikzmath{\LL=2;};

%Length to go along normals for fills
\tikzmath{\FR=7;};
\tikzmath{\FL=7;};

%Unit normals
%Left normal is parallel to (-\m,1)
\tikzmath{\L=1/sqrt(1+\m*\m);};
\coordinate (NL) at ($\L*(-\m,1)$);

%Left normal is parallel to (-\m,2)
\tikzmath{\L=1/sqrt(4+\m*\m);};
\coordinate (NR) at ($\L*(-\m,2)$);


\input{/usr/local/tikz/Moulton/Calc.Left.tikz}
\input{/usr/local/tikz/Moulton/Calc.Right.tikz}

< Separation | Angle | Klein >