% TeXdraw examples for latex
% $Id: txdexamp.latex 2.1 1999/11/15 TeXdraw-v2r3 $
% These examples are taken from the TeXdraw manual.
% Peter Kabal
% Department of Electrical & Computer Engineering
% McGill University
% 3480 University
% Montreal, Quebec
% Canada H3A 2A7
% kabal@ECE.McGill.CA
\documentclass [11pt]{article}
\usepackage {texdraw}
\input txdtools
\let\et=\etexdraw
\def\etexdraw{\drawbb\et}
\begin{document}
\noindent
TeXdraw examples using LaTeX.
\bigskip
\begin{center}
\begin{texdraw}
\avec (0 0.8) \textref h:C v:B \htext (0 0.9){\sl y}
\move (0 0) \avec (0.8 0) \textref h:L v:C \htext(0.9 0){\sl x}
\move (0 1.0)
\end{texdraw}
\end{center}
\bigskip
\begin{center}
\begin{texdraw}
\drawdim{cm} \linewd 0.02
\move(2 2) \lvec(3 3) \lvec(2 4) \lvec(1 3) \lvec(2 2)
\textref h:C v:C \htext(2 3){$\sum \rho_n$}
\end{texdraw}
\end{center}
\bigskip
\begin{center}
\begin{texdraw}
\drawdim in
\linewd 0.03 \setgray 0.6 \arrowheadtype t:F \avec(0.5 0.5)
\linewd 0.01 \setgray 0 \arrowheadtype t:V \avec(1.0 0.5)
\linewd 0.015 \lpatt(0.067 0.1) \lvec (1.5 0)
\linewd 0.02 \lpatt() \arrowheadtype t:T \avec(2.0 0.5)
\arrowheadtype t:H \avec(2.5 0.5)
\setgray 0.4 \arrowheadtype t:W \avec(3.0 0)
\textref h:R v:T \htext (0.35 0.50){\tt t:F}
\textref h:R v:T \htext (1.0 0.43){\tt t:V}
\textref h:R v:T \htext (1.82 0.50){\tt t:T}
\textref h:R v:T \htext (2.5 0.43){\tt t:H}
\textref h:R v:B \htext (2.8 0){\tt t:W}
\end{texdraw}
\end{center}
\bigskip
\begin{center}
\begin{texdraw}
\newcommand{\bdot}{\bsegment
\fcir f:0 r:0.02
\esegment}
\newcommand{\Ttext}[1]{\bsegment
\textref h:C v:B \htext (0 +0.06){#1}
\esegment}
\newcommand{\Btext}[1]{\bsegment
\textref h:C v:T \htext (0 -0.06){#1}
\esegment}
\newcommand{\Ltext}[1]{\bsegment
\textref h:R v:C \htext (-0.08 0){#1}
\esegment}
\newcommand{\Rtext}[1]{\bsegment
\textref h:L v:C \htext (+0.08 0){#1}
\esegment}
\move (-1.5 0)
\bsegment
\move (+1.55 +0.45) \move (-1.55 -0.45) \move (0 0)
\Ttext{Horizontal Text}
\bdot \Btext{\tt h:C v:C}
\move (-0.9 0) \bdot \Ltext{\tt h:L v:C}
\move (+0.9 0) \bdot \Rtext{\tt h:R v:C}
\move (0 +0.3) \bdot \Ttext{\tt h:C v:T}
\move (0 -0.3) \bdot \Btext{\tt h:C v:B}
\move (-0.9 -0.3) \bdot \Ltext{\tt h:L v:B}
\lvec (-0.9 +0.3) \bdot \Ltext{\tt h:L v:T}
\lvec (+0.9 +0.3) \bdot \Rtext{\tt h:R v:T}
\lvec (+0.9 -0.3) \bdot \Rtext{\tt h:R v:B}
\lvec (-0.9 -0.3)
\esegment
\newcommand{\atext}{\rtext td:45 }
\newcommand{\ATtext}[1]{\bsegment
\setsegscale 0.707
\textref h:C v:B \atext (-0.06 +0.06){#1}
\esegment}
\newcommand{\ABtext}[1]{\bsegment
\setsegscale 0.707
\textref h:C v:T \atext (+0.060 -0.06){#1}
\esegment}
\newcommand{\ALtext}[1]{\bsegment
\setsegscale 0.707
\textref h:R v:C \atext (-0.08 -0.08){#1}
\esegment}
\newcommand{\ARtext}[1]{\bsegment
\setsegscale 0.707
\textref h:L v:C \atext (+0.08 +0.08){#1}
\esegment}
\move (+1.5 0)
\bsegment
\move (+1.33 +1.33) \move (-1.33 -1.33) \move (0 0)
\setsegscale 0.707
\ATtext{Rotated Text}
\bdot \ABtext{\tt h:C v:C}
\move (-0.9 -0.9) \bdot \ALtext{\tt h:L v:C}
\move (+0.9 +0.9) \bdot \ARtext{\tt h:R v:C}
\move (-0.3 +0.3) \bdot \ATtext{\tt h:C v:T}
\move (+0.3 -0.3) \bdot \ABtext{\tt h:C v:B}
\move (-0.6 -1.2) \bdot \ALtext{\tt h:L v:B}
\lvec (-1.2 -0.6) \bdot \ALtext{\tt h:L v:T}
\lvec (+0.6 +1.2) \bdot \ARtext{\tt h:R v:T}
\lvec (+1.2 +0.6) \bdot \ARtext{\tt h:R v:B}
\lvec (-0.6 -1.2)
\esegment
\end{texdraw}
\end{center}
\vfill
\newpage
\bigskip
\begin{center}
\begin{texdraw}
\move(-0.75 -0.25) \lvec (-0.75 +0.5) \lvec (+0.75 +0.5)
\lvec(+0.75 -0.25) \ifill f:0.9 % fill the region
\move(0 0)
\avec(-0.75 -0.25) \textref h:R v:C \htext{H-text}
\move(0 0) \avec(-0.75 +0.25) \textref h:R v:B \htext{H-text}
\move(0 0) \avec(0 +0.5) \textref h:L v:T \vtext{V-text}
\move(0 0) \avec(+0.75 +0.25) \textref h:L v:B \htext{H-text}
\move(0 0) \avec(+0.75 -0.25) \textref h:L v:C \htext{H-text}
\move (-1.15 -0.3) \move (+1.15 +0.92) % increase the size of the drawing
\end{texdraw}
\end{center}
\bigskip
\begin{center}
\begin{texdraw}
\linewd 0.02
\fcir f:0.7 r:1
\larc r:1 sd:45 ed:135
\lvec ( 0.707 0.707) \move (0 0) \lvec (-0.707 +0.707)
\end{texdraw}
\end{center}
\bigskip
\begin{center}
\begin{texdraw}
\newcommand{\Ltext}[1]{\bsegment
\textref h:R v:C \htext (-0.08 0){#1}
\esegment}
\newcommand{\Rtext}[1]{\bsegment
\textref h:L v:C \htext (+0.08 0){#1}
\esegment}
\newcommand{\bdot}{\fcir f:0 r:0.02 }
\newcommand{\Ldot}[1]{\bdot \Ltext{#1}}
\newcommand{\Rdot}[1]{\bdot \Rtext{#1}}
\move (-2 0)
\bsegment
\lpatt (0.033)
\move (0 0) \Ldot{0} \lvec (0 1) \Ldot{1}
\lvec (1 1) \Rdot{2} \lvec (1 0) \Rdot{3}
\lpatt ()
\move (0 0) \clvec (0 1)(1 1)(1 0)
\esegment
\move (0 0)
\bsegment
\lpatt (0.033)
\move (0 0) \Ldot{0} \lvec (0.5 0.8) \Ldot{1}
\lvec (1.5 0.8) \Rdot{2} \lvec (1 0) \Rdot{3}
\lpatt ()
\move (0 0) \clvec (0.5 1)(1.5 1)(1 0)
\esegment
\move ( 2 0)
\bsegment
\lpatt (0.033)
\move (0 0) \Ldot{0} \lvec (0 1) \Ldot{1}
\lvec (1 0) \Rdot{2} \lvec (1 1) \Rdot{3}
\lpatt ()
\move (0 0) \clvec (0 1)(1 0)(1 1)
\esegment
\end{texdraw}
\end{center}
\bigskip
\begin{center}
\begin{texdraw}
\move (0.5 0)
\lvec (0 0.5) \clvec (0.5 0.85)(1 0.65)(1.5 1)
\lvec (2 0.5) \clvec (1.5 0.15)(1 0.35)(0.5 0)
\lfill f:0.8
\end{texdraw}
\end{center}
\vfill
\newpage
\bigskip
\newcommand{\tbox}[1]{\bsegment
\lvec (0 +0.25) \lvec (0.75 +0.25)
\lvec (0.75 -0.25) \lvec (0 -0.25) \lvec (0 0)
\textref h:C v:C \htext (0.375 0){#1}
\savepos (0.75 0)(*ex *ey)
\esegment
\move (*ex *ey)}
\begin{center}
\begin{texdraw}
\ravec (1 0) \tbox{$H(z)$} \ravec (1 0)
\end{texdraw}
\end{center}
\bigskip
\def\cavec (#1 #2)(#3 #4)(#5 #6){
\clvec (#1 #2)(#3 #4)(#5 #6)
\cossin (#3 #4)(#5 #6)\cosa\sina
\rmove (0 0) % stroke the Bezier curve
\bsegment
\drawdim in \setsegscale 0.05
\move ({-\cosa} -\sina) \avec (0 0)
\esegment}
\def\caw (#1 #2){
\currentpos \xa\ya
\cossin ({\xa} \ya)(#1 #2)\cosa\sina
% The nominal wiggly curve is (0 0) (1+dx dy) (-dx -dy) (1 0)
% Find the rotated offset (dx dy) -> (du dv)
\rotatecoord (0.4 0.1)\cosa\sina \du\dv
% calculate the length of the vector
\vectlen ({\xa} \ya)(#1 #2)\len
% draw the curve in normalized units
\bsegment
\setsegscale {\len}
\realadd \cosa \du \tmpa \realadd \sina \dv \tmpb
\cavec ({\tmpa} \tmpb)({-\du} -\dv)({\cosa} \sina)
\esegment
\move (#1 #2)}
% rotate a coordinate (x y)
% arguments: (x y) cosa sina x' y'
% x' = cosa * x - sina * y; y' = sina * x + cosa * y
\def\rotatecoord (#1 #2)#3#4#5#6{
\getpos (#1 #2)\xarg\yarg
\realmult \xarg {#3} \tmpa \realmult \yarg {#4} \tmpb
\realadd \tmpa {-\tmpb} #5
\realmult \xarg {#4} \tmpa \realmult \yarg {#3} \tmpb
\realadd \tmpa \tmpb #6}
\begin{center}
\begin{texdraw}
\arrowheadtype t:W
\move (0 0)
\cavec (1.4 0.1)(-0.4 -0.1)(1 0)
\move (1 0) \caw (1 1) \htext{tip at \tt (1 1)}
\move (1 0) \caw (2 1) \htext{tip at \tt (2 1)}
\move (1 0) \caw (2 0) \htext{tip at \tt (2 0)}
\move (0 1.13) \move (0 -0.04)
\end{texdraw}
\end{center}
\vfill
\newpage
\bigskip
\def\delay {\bsegment
\setsegscale 0.3
\lvec (0 +0.5) \lvec (1 +0.5) \lvec (1 -0.5)
\lvec (0 -0.5) \lvec (0 0)
\textref h:C v:C \htext (0.5 0){$z^{-1}$}
\savepos (1 0)(*ex *ey)
\esegment
\move (*ex *ey)}
\def\bdot {\fcir f:0 r:0.02 }
\def\Ttext #1{\bsegment
\textref h:C v:B \htext (0 +0.06){#1}
\esegment}
\def\Btext #1{\bsegment
\textref h:C v:T \htext (0 -0.06){#1}
\esegment}
\def\Ltext #1{\bsegment
\textref h:R v:C \htext (-0.06 0){#1}
\esegment}
\def\Rtext #1{\bsegment
\textref h:L v:C \htext (+0.06 0){#1}
\esegment}
\def\cradius {0.08}
\def\pluss {\bsegment
\setsegscale {\cradius}
\move (-0.5 0) \lvec (+0.5 0)
\move (0 -0.5) \lvec (0 +0.5)
\esegment}
\def\pcir {\lcir r:{\cradius} \pluss}
\def\puttext (#1 #2)#3{\bsegment
\setsegscale {\cradius}
\textref h:C v:C \htext (#1 #2){#3}
\esegment}
\def\putwnw #1{\puttext (-1.7 +1.2){#1}}
\def\putwsw #1{\puttext (-1.7 -1.2){#1}}
\def\putn #1{\puttext ( 0 +2 ){#1}}
\def\puts #1{\puttext ( 0 -2 ){#1}}
\def\avectoc (#1 #2){\currentpos \xa\ya
\cossin ({\xa} \ya)(#1 #2)\cosa\sina
\savepos (#1 #2)(*tx *ty)
\bsegment
\move (*tx *ty)
\setsegscale {\cradius}
\rmove ({-\cosa} -\sina)
\savecurrpos (*ex *ey)
\esegment
\avec (*ex *ey)
\move (#1 #2)}
\def\avecfrc (#1 #2){\currentpos \xa\ya
\cossin ({\xa} \ya)(#1 #2)\cosa\sina
\bsegment
\setsegscale {\cradius}
\move ({\cosa} \sina)
\savecurrpos (*ex *ey)
\esegment
\move (*ex *ey)
\avec (#1 #2)}
\begin{center}
\begin{texdraw}
\drawdim in
\arrowheadtype t:F \arrowheadsize l:0.08 w:0.04
\def\pl {$\scriptscriptstyle +$} \def\mn {$\scriptscriptstyle -$}
\move (0 +0.63) \move (0 -0.60) \move (0 0) % compensate for the text size
% Input to the first stage
\bsegment
\Ltext{$x(n)$}
\lvec (0.3 0) \bdot \lvec (0.3 +0.4)
\move (0.3 0) \lvec (0.3 -0.4)
\savepos (0.3 0)(*ex *ey)
\esegment
\move (*ex *ey)
% first lattice stage
\bsegment
\move (0 +0.4) \avectoc (1.7 +0.4)
\pcir \putwnw{\pl} \puts{\mn}
\avecfrc (2.1 +0.4)
\move (0 -0.4) \avec (0.4 -0.4) \delay \avectoc (1.7 -0.4)
\pcir \putwsw{\pl} \putn{\mn}
\avecfrc (2.1 -0.4)
\move (0.9 +0.4) \bdot \avectoc (1.7 -0.4)
\move (0.9 -0.4) \bdot \avectoc (1.7 +0.4)
\move (0.1 +0.42) \Ttext {$f_0(n)$}
\move (2.0 +0.42) \Ttext {$f_1(n)$}
\move (0.1 -0.4) \Btext {$b_0(n)$}
\move (2.0 -0.4) \Btext {$b_1(n)$}
\textref h:L v:B \htext (1.15 +0.2){$K_1$}
\textref h:L v:T \htext (1.15 -0.2){$K_1$}
\savepos (2.1 0)(*ex *ey)
\esegment
\move (*ex *ey)
% center section
\bsegment
\textref h:C v:C
\htext (0.3 +0.4){$\cdots$}
\htext (0.3 -0.4){$\cdots$}
\savepos (0.6 0)(*ex *ey)
\esegment
\move (*ex *ey)
% last lattice stage
\bsegment
\move (0 +0.4) \avectoc (1.7 +0.4)
\pcir \putwnw{\pl} \puts{\mn}
\avecfrc (2.3 +0.4) \Rtext{$e(n)$}
\move (0 -0.4) \avec (0.4 -0.4) \delay \avectoc (1.7 -0.4)
\pcir \putwsw{\pl} \putn{\mn}
\avecfrc (2.1 -0.4)
\move (0.9 +0.4) \bdot \avectoc (1.7 -0.4)
\move (0.9 -0.4) \bdot \avectoc (1.7 +0.4)
\move (0.1 +0.42) \Ttext {$f_{P-1}(n)$}
\move (2.0 +0.42) \Ttext {$f_P(n)$}
\move (0.1 -0.4) \Btext {$b_{P-1}(n)$}
\move (2.0 -0.4) \Btext {$b_P(n)$}
\textref h:L v:B \htext (1.15 +0.2){$K_P$}
\textref h:L v:T \htext (1.15 -0.2){$K_P$}
\esegment
\end{texdraw}
\end{center}
\bigskip
\begin{center}
\begin{texdraw}
\arrowheadtype t:F \arrowheadsize l:0.08 w:0.04
\def\ds {\displaystyle}
\def\ticklab (#1 #2)#3{\move(#1 #2)
\bsegment
\lvec (0 0.05)
\textref h:C v:T \htext (0 -0.05){#3}
\esegment}
\def\Rtext #1{\bsegment
\textref h:L v:C \htext ( 0.08 0){#1}
\esegment}
\move (2.4 -0.32) % move to set the size
\move (0 0)
% Axes
\avec (0 1.4)
\move (0 0) \avec (2.2 0) \Rtext{$\omega$}
\ticklab (0 0) {0}
\ticklab (0.8 0) {$\ds {\pi \over 2N} $}
\ticklab (1.2 0) {$\omega_s$}
\ticklab (1.6 0) {$\ds {\pi \over N} $}
\linewd 0.025
\move (0 1)
\lvec (0.4 1)
\lvec (0.44 0.998)
\lvec (0.48 0.988)
\lvec (0.52 0.973)
\lvec (0.56 0.951)
\lvec (0.60 0.923)
\lvec (0.64 0.891)
\lvec (0.68 0.852)
\lvec (0.72 0.809)
\lvec (0.76 0.760)
\lvec (0.80 0.707)
\lvec (0.84 0.649)
\lvec (0.88 0.587)
\lvec (0.92 0.522)
\lvec (0.96 0.454)
\lvec (1.00 0.382)
\lvec (1.04 0.309)
\lvec (1.08 0.233)
\lvec (1.12 0.156)
\lvec (1.16 0.078)
\lvec (1.20 0)
\lvec (1.9 0)
\end{texdraw}
\end{center}
\bigskip
\begin{center}
\begin{texdraw}
\arrowheadtype t:V \arrowheadsize l:0.08 w:0.04
\linewd 0.01
\setunitscale 1.5 % circle will have radius 1.5 inches
\def\Btext #1{\bsegment
\textref h:C v:T \htext (0 -0.04){#1}
\esegment}
\def\Ttext #1{\bsegment
\textref h:C v:B \htext (0 0.04){#1}
\esegment}
\def\Ltext #1{\bsegment
\textref h:R v:C \htext (-0.04 0){#1}
\esegment}
\def\bdot {\fcir f:0 r:0.0133 }
\def\vtick {\bsegment
\move (0 -0.05) \lvec (0 0.05)
\esegment}
\def\htick {\bsegment
\move (-0.05 0) \lvec ( 0.05 0)
\esegment}
\def\Hlen #1#2{\bsegment
\vtick \avec ({#1} 0) \vtick \avec (0 0)
\relsegscale 0.5
\move ({#1} 0) \Ttext {#2}
\esegment}
\def\Vlen #1#2{\bsegment
\htick \avec (0 {#1}) \htick \avec (0 0)
\relsegscale 0.5
\move (0 {#1}) \Ltext {#2}
\esegment}
\lcir r:1 % circle
\move (-1.05 0) \lvec ( 1.05 0) % axes
\move (0 -1.05) \lvec (0 1.05)
\move (0 0) \lvec (0.707 0.707) \bdot
\rmove (0.02 0.02) \textref h:L v:B \htext {X}
\move (0.707 -0.707) \bdot
\textref h:R v:T \htext(-0.02 -0.02){O}
\move (0.5 0) % center of ellipse
\bsegment
\lellip rx:0.435 ry:0.804
\bdot \Btext {$\beta_2$}
\move (0 0.15) \Hlen {0.435}{$|\beta_1{+}\beta_3|$}
\move (-0.7 0) \Vlen {0.804}{$|\beta_1{-}\beta_3|$}
\esegment
\end{texdraw}
\end{center}
\end{document}
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