From b04c2e1a42573e9735547702356c7b9a769a6855 Mon Sep 17 00:00:00 2001 From: Karl Berry Date: Sun, 7 Apr 2013 18:26:53 +0000 Subject: texmf -> texmf-dist: doc git-svn-id: svn://tug.org/texlive/trunk@29714 c570f23f-e606-0410-a88d-b1316a301751 --- .../doc/asymptote/examples/animations/cube.asy | 46 ++++++++++++ .../asymptote/examples/animations/earthmoon.asy | 78 ++++++++++++++++++++ .../examples/animations/embeddedmovie.asy | 24 ++++++ .../asymptote/examples/animations/embeddedu3d.asy | 6 ++ .../examples/animations/externalmovie.asy | 17 +++++ .../doc/asymptote/examples/animations/glmovie.asy | 21 ++++++ .../asymptote/examples/animations/heatequation.asy | 76 +++++++++++++++++++ .../asymptote/examples/animations/inlinemovie.tex | 55 ++++++++++++++ .../asymptote/examples/animations/inlinemovie3.tex | 44 +++++++++++ .../doc/asymptote/examples/animations/pdfmovie.asy | 20 +++++ .../asymptote/examples/animations/slidemovies.asy | 47 ++++++++++++ .../doc/asymptote/examples/animations/sphere.asy | 42 +++++++++++ .../examples/animations/torusanimation.asy | 43 +++++++++++ .../asymptote/examples/animations/wavepacket.asy | 86 ++++++++++++++++++++++ .../doc/asymptote/examples/animations/wheel.asy | 63 ++++++++++++++++ 15 files changed, 668 insertions(+) create mode 100644 Master/texmf-dist/doc/asymptote/examples/animations/cube.asy create mode 100644 Master/texmf-dist/doc/asymptote/examples/animations/earthmoon.asy create mode 100644 Master/texmf-dist/doc/asymptote/examples/animations/embeddedmovie.asy create mode 100644 Master/texmf-dist/doc/asymptote/examples/animations/embeddedu3d.asy create mode 100644 Master/texmf-dist/doc/asymptote/examples/animations/externalmovie.asy create mode 100644 Master/texmf-dist/doc/asymptote/examples/animations/glmovie.asy create mode 100644 Master/texmf-dist/doc/asymptote/examples/animations/heatequation.asy create mode 100644 Master/texmf-dist/doc/asymptote/examples/animations/inlinemovie.tex create mode 100644 Master/texmf-dist/doc/asymptote/examples/animations/inlinemovie3.tex create mode 100644 Master/texmf-dist/doc/asymptote/examples/animations/pdfmovie.asy create mode 100644 Master/texmf-dist/doc/asymptote/examples/animations/slidemovies.asy create mode 100644 Master/texmf-dist/doc/asymptote/examples/animations/sphere.asy create mode 100644 Master/texmf-dist/doc/asymptote/examples/animations/torusanimation.asy create mode 100644 Master/texmf-dist/doc/asymptote/examples/animations/wavepacket.asy create mode 100644 Master/texmf-dist/doc/asymptote/examples/animations/wheel.asy (limited to 'Master/texmf-dist/doc/asymptote/examples/animations') diff --git a/Master/texmf-dist/doc/asymptote/examples/animations/cube.asy b/Master/texmf-dist/doc/asymptote/examples/animations/cube.asy new file mode 100644 index 00000000000..001e54466d8 --- /dev/null +++ b/Master/texmf-dist/doc/asymptote/examples/animations/cube.asy @@ -0,0 +1,46 @@ +import math; +import bsp; +import animation; + +size(100,100); + +animation a; + +void face(face[] faces, path3 p, int j, int k) { + picture pic=faces.push(p); + filldraw(pic,project(p),Pen(j)); + int sign=(k % 2 == 0) ? 1 : -1; + transform t=scale(4)*transform(dir(p,0,sign),dir(p,0,-sign)); + label(pic,t*(string) j,project(0.5*(min(p)+max(p)))); +} + +void snapshot(transform3 t) +{ + static transform3 s=shift(-0.5*(X+Y+Z)); + save(); + + face[] faces; + int j=-1; + transform3 T=t*s; + for(int k=0; k < 2; ++k) { + face(faces,T*plane((1,0,0),(0,1,0),(0,0,k)),++j,k); + face(faces,T*plane((0,1,0),(0,0,1),(k,0,0)),++j,k); + face(faces,T*plane((0,0,1),(1,0,0),(0,k,0)),++j,k); + } + add(faces); + + a.add(); + restore(); +} + +int n=50; + +real step=360/n; +for(int i=0; i < n; ++i) + snapshot(rotate(i*step,X)); +for(int i=0; i < n; ++i) + snapshot(rotate(i*step,Y)); +for(int i=0; i < n; ++i) + snapshot(rotate(i*step,Z)); + +a.movie(loops=10,delay=50); diff --git a/Master/texmf-dist/doc/asymptote/examples/animations/earthmoon.asy b/Master/texmf-dist/doc/asymptote/examples/animations/earthmoon.asy new file mode 100644 index 00000000000..efca043b8bc --- /dev/null +++ b/Master/texmf-dist/doc/asymptote/examples/animations/earthmoon.asy @@ -0,0 +1,78 @@ +import graph3; +import solids; +import three; +import animate; + +settings.render=2; +settings.tex="pdflatex"; +settings.prc=false; +settings.thick=false; +settings.outformat="mpg"; +currentprojection=orthographic(5,4,2); +currentlight=light(specular=black,(0.1,-0.1,1),viewport=true); + +size(15cm,0); + +animation A; + +real Rst=20, Rl=0.7, Rtl=5; +real ast=20, est=0.3, bst=ast*sqrt(1-est^2), cst=ast*est; +real atl=5, etl=0.8, btl=atl*sqrt(1-etl^2), ctl=atl*etl; + +real xST(real t) {return ast*cos(t)+cst;} +real yST(real t) {return bst*sin(t);} +real zST(real t) {return 0;} + +real xTL(real t) {return atl*cos(27t);} +real yTL(real t) {return btl*sin(27t);} +real zTL(real t) {return 0;} + + +real xLl(real t) {return Rl*cos(27t);} +real yLl(real t) {return Rl*sin(27t);} +real zLl(real t) {return 0;} + +real xTt(real t) {return Rtl*cos(100t)/5;} +real yTt(real t) {return Rtl*sin(100t)/5;} +real zTt(real t) {return 0;} + +real xl(real t) {return xST(t)+xTL(t)+xLl(t);} +real yl(real t) {return yST(t)+yTL(t)+yLl(t);} +real zl(real t) {return 0;} + +real xt(real t) {return xST(t)+xTt(t);} +real yt(real t) {return yST(t)+yTt(t);} +real zt(real t) {return 0;} + +real xL(real t) {return xST(t)+xTL(t);} +real yL(real t) {return yST(t)+yTL(t);} +real zL(real t) {return 0;} + +path3 Pl=graph(xl,yl,zl,0,2pi,1000),Pt=graph(xt,yt,zt,0,2pi,3000), +Pts=graph(xST,yST,zST,0,2pi,500); + +picture pic; + +draw(pic,Pl,lightgray); +draw(pic,Pt,lightblue); +draw(pic,Pts,blue+dashed); + +draw(pic,shift(cst,0,0)*scale3(Rtl/2)*unitsphere,yellow); + +surface terre=scale3(Rtl/5)*unitsphere; +surface lune=scale3(Rl)*unitsphere; + +int n=50; + +real step=2pi/n; +for(int i=0; i < n; ++i) { + real k=i*step; + add(pic); + draw(shift(xL(k),yL(k),0)*lune,lightgray); + draw(shift(xST(k),yST(k),0)*terre,lightblue+lightgreen); + A.add(); + erase(); +} + +A.movie(BBox(1mm,Fill(Black)),delay=500, + options="-density 288x288 -geometry 50%x"); diff --git a/Master/texmf-dist/doc/asymptote/examples/animations/embeddedmovie.asy b/Master/texmf-dist/doc/asymptote/examples/animations/embeddedmovie.asy new file mode 100644 index 00000000000..98dfd424db8 --- /dev/null +++ b/Master/texmf-dist/doc/asymptote/examples/animations/embeddedmovie.asy @@ -0,0 +1,24 @@ +// An embedded movie; +// +// See http://www.tug.org/tex-archive/macros/latex/contrib/movie15/README +// for documentation of the options. + +import embed; // Add embedded movie +//import external; // Add external movie (use this form under Linux). + +// Generated needed mpeg file if it doesn't already exist. +asy("mpg","wheel"); + +// Produce a pdf file. +settings.outformat="pdf"; + +settings.twice=true; + +// An embedded movie: +label(embed("wheel.mpg","poster,text=wheel.mpg,label=wheel.mpg",20cm,5.6cm), + (0,0),N); + +// An optional button: +label(link("wheel.mpg","Play","play"),(0,0),S); + + diff --git a/Master/texmf-dist/doc/asymptote/examples/animations/embeddedu3d.asy b/Master/texmf-dist/doc/asymptote/examples/animations/embeddedu3d.asy new file mode 100644 index 00000000000..1116c216fe2 --- /dev/null +++ b/Master/texmf-dist/doc/asymptote/examples/animations/embeddedu3d.asy @@ -0,0 +1,6 @@ +// An embedded U3D object; +// +import embed; + +label(embed("dice.u3d","poster,text=(dice.u3d),3Droo=27,label=dice",settings.paperwidth,settings.paperheight)); + diff --git a/Master/texmf-dist/doc/asymptote/examples/animations/externalmovie.asy b/Master/texmf-dist/doc/asymptote/examples/animations/externalmovie.asy new file mode 100644 index 00000000000..77c99528307 --- /dev/null +++ b/Master/texmf-dist/doc/asymptote/examples/animations/externalmovie.asy @@ -0,0 +1,17 @@ +// Embed a movie to be run in an external window. + +import external; + +// External movies require the pdflatex engine. +settings.tex="pdflatex"; + +// Generated needed mpeg file if it doesn't already exist. +asy("mpg","wheel"); + +// Produce a pdf file. +settings.outformat="pdf"; + +// External movie: viewable even with the Linux version of acroread. +label(embed("wheel.mpg"),(0,0),N); + +label(link("wheel.mpg","Play"),(0,0),S); diff --git a/Master/texmf-dist/doc/asymptote/examples/animations/glmovie.asy b/Master/texmf-dist/doc/asymptote/examples/animations/glmovie.asy new file mode 100644 index 00000000000..c3d86481b1b --- /dev/null +++ b/Master/texmf-dist/doc/asymptote/examples/animations/glmovie.asy @@ -0,0 +1,21 @@ +settings.autoplay=true; +settings.loop=true; + +import graph3; +import animate; +currentprojection=orthographic(1,-2,0.5); + +animation A; +int n=25; + +for(int i=0; i < n; ++i) { + picture pic; + size3(pic,6cm); + real k=i/n*pi; + real f(pair z) {return 4cos(abs(z)-k)*exp(-abs(z)/6);} + draw(pic,surface(f,(-4pi,-4pi),(4pi,4pi),Spline),paleblue); + draw(pic,shift(i*6Z/n)*unitsphere,yellow); + A.add(pic); +} + +A.glmovie(); diff --git a/Master/texmf-dist/doc/asymptote/examples/animations/heatequation.asy b/Master/texmf-dist/doc/asymptote/examples/animations/heatequation.asy new file mode 100644 index 00000000000..3c5708e583f --- /dev/null +++ b/Master/texmf-dist/doc/asymptote/examples/animations/heatequation.asy @@ -0,0 +1,76 @@ +import graph3; +import palette; +import animate; + +settings.tex="pdflatex"; +settings.render=0; +settings.prc=false; +unitsize(1cm); + +animation a; + +currentprojection=perspective(-20,-18,18); +currentlight=light(1,1,10); + +int n=26; +real L=2.5; +real dx=2*L/n; +real CFL=0.125; +real dt=CFL*dx^2; + +real[][] Z=new real[n][n]; +real[][] W=new real[n][n]; + +guide initcond1=shift((-1,-1))*scale(0.5)*unitcircle; +guide initcond2=shift((0.5,0))*yscale(1.2)*unitcircle; + +real f(pair p) {return (inside(initcond1,p)||inside(initcond2,p)) ? 2 : 0;} + +//Initialize +for(int i=0; i < n; ++i) + for (int j=0; j < n; ++j) + Z[i][j]=f((-L,-L)+(2*L/n)*(i,j)); + +real f(pair t) { + int i=round((n/2)*(t.x/L+1)); + int j=round((n/2)*(t.y/L+1)); + if(i > n-1) i=n-1; + if(j > n-1) j=n-1; + return Z[i][j]; +} + +surface sf; + +void advanceZ(int iter=20) { + for(int k=0; k < iter; ++k) { + for(int i=0; i < n; ++i) + for(int j=0; j < n; ++j) W[i][j]=0; + for(int i=1; i < n-1; ++i) + for(int j=1; j< n-1; ++j) + W[i][j]=Z[i][j]+(dt/dx^2)*(Z[i+1][j]+Z[i-1][j]+Z[i][j-1]+Z[i][j+1] + -4*Z[i][j]); + for(int i=0; i < n; ++i) + for(int j=0; j < n; ++j) + Z[i][j]=W[i][j]; + }; +} + +pen[] Pal=Rainbow(96); + +int endframe=40; + +for(int fr=0; fr < endframe; ++fr) { + if(fr == 0) {// smoothing of initial state; no Spline, but full grid + advanceZ(3); + sf=surface(f,(-L,-L),(L,L),nx=n); + } else // use Spline and fewer grid points to save memory + sf=surface(f,(-L,-L),(L,L),nx=round(n/2),Spline); + sf.colors(palette(sf.map(zpart),Pal[0:round(48*max(sf).z)])); + draw(sf); + a.add(); + erase(); + advanceZ(30); +}; + +label(a.pdf(delay=400,"controls,loop")); +shipout(bbox(3mm,darkblue+3bp+miterjoin,FillDraw(fillpen=paleblue)),"pdf"); diff --git a/Master/texmf-dist/doc/asymptote/examples/animations/inlinemovie.tex b/Master/texmf-dist/doc/asymptote/examples/animations/inlinemovie.tex new file mode 100644 index 00000000000..5f1eff9d4bb --- /dev/null +++ b/Master/texmf-dist/doc/asymptote/examples/animations/inlinemovie.tex @@ -0,0 +1,55 @@ +\documentclass{article} +\usepackage[inline]{asymptote} +%\usepackage{asymptote} +\usepackage{animate} +\begin{document} + +Here is an inline PDF movie, generated with the commands +\begin{verbatim} +pdflatex inlinemovie +asy inlinemovie-*.asy +pdflatex inlinemovie +\end{verbatim} +or equivalently, +\begin{verbatim} +latexmk -pdf inlinemovie +\end{verbatim} + +\begin{center} +\begin{asy} +import animate; +animation A=animation("movie1"); +real h=2pi/10; + +picture pic; +unitsize(pic,2cm); +for(int i=0; i < 10; ++i) { + draw(pic,expi(i*h)--expi((i+1)*h)); + A.add(pic); +} +label(A.pdf("controls",delay=50,keep=!settings.inlinetex)); +\end{asy} +%Uncomment the following line when not using the [inline] package option: +%\ASYanimategraphics[controls]{50}{movie1}{}{} +\end{center} + +And here is another one, clickable but without the control panel: +\begin{center} +\begin{asy} +import animate; +animation A=animation("movie2"); +real h=2pi/10; + +picture pic; +unitsize(pic,2cm); +for(int i=0; i < 10; ++i) { + draw(pic,expi(-i*h)--expi(-(i+1)*h),red); + A.add(pic); +} +label(A.pdf(keep=!settings.inlinetex)); +\end{asy} +%Uncomment the following line when not using the [inline] package option: +%\ASYanimategraphics[controls]{10}{movie2}{}{} +\end{center} + +\end{document} diff --git a/Master/texmf-dist/doc/asymptote/examples/animations/inlinemovie3.tex b/Master/texmf-dist/doc/asymptote/examples/animations/inlinemovie3.tex new file mode 100644 index 00000000000..5131c652a11 --- /dev/null +++ b/Master/texmf-dist/doc/asymptote/examples/animations/inlinemovie3.tex @@ -0,0 +1,44 @@ +\documentclass{article} +\usepackage[inline]{asymptote} +%\usepackage{asymptote} +\usepackage{animate} +\begin{document} + +Here is an inline 3D PDF movie, generated with the commands +\begin{verbatim} +pdflatex inlinemovie3 +asy inlinemovie3-*.asy +pdflatex inlinemovie3 +\end{verbatim} +or equivalently, +\begin{verbatim} +latexmk -pdf inlinemovie3 +\end{verbatim} + +\begin{center} +\begin{asy} +settings.render=4; +settings.prc=false; + +import graph3; +import animate; +currentprojection=orthographic(1,-2,0.5); + +animation A=animation("movie3"); +int n=20; +for(int i=0; i < n; ++i) { + picture pic; + size3(pic,12cm,12cm,8cm); + real k=i/n*pi; + real f(pair z) {return 4cos(abs(z)-k)*exp(-abs(z)/6);} + draw(pic,surface(f,(-4pi,-4pi),(4pi,4pi),Spline),paleblue); + draw(pic,shift(i*6Z/n)*unitsphere,yellow); + A.add(pic); +} +label(A.pdf("autoplay,loop",delay=20,keep=!settings.inlinetex)); +\end{asy} +%Uncomment the following line when not using the [inline] package option: +%\ASYanimategraphics[autoplay,loop]{50}{movie3}{}{} +\end{center} +\end{document} + diff --git a/Master/texmf-dist/doc/asymptote/examples/animations/pdfmovie.asy b/Master/texmf-dist/doc/asymptote/examples/animations/pdfmovie.asy new file mode 100644 index 00000000000..0f9cbc96445 --- /dev/null +++ b/Master/texmf-dist/doc/asymptote/examples/animations/pdfmovie.asy @@ -0,0 +1,20 @@ +import animate; +import patterns; + +settings.tex="pdflatex"; + +animation a; + +add("brick",brick(black)); + +int n=20; +for(int i=0; i < 3.5n; ++i) { + picture pic; + size(pic,100); + path g=circle((0,sin(pi/n*i)),1); + fill(pic,g,mediumred); + fill(pic,g,pattern("brick")); + a.add(pic); +} + +label(a.pdf("controls",multipage=false)); diff --git a/Master/texmf-dist/doc/asymptote/examples/animations/slidemovies.asy b/Master/texmf-dist/doc/asymptote/examples/animations/slidemovies.asy new file mode 100644 index 00000000000..205f94fbc85 --- /dev/null +++ b/Master/texmf-dist/doc/asymptote/examples/animations/slidemovies.asy @@ -0,0 +1,47 @@ +// Slide demo. +// Command-line options to enable stepping and/or reverse video: +// asy [-u stepping=true] [-u reverse=true] slidedemo + +orientation=Landscape; + +settings.tex="pdflatex"; + +import slide; + +// Optional movie modules: +import animate; // For portable embedded PDF movies +access external; // For portable external movies +access embed; // For non-portable embedded movies + +usersetting(); + +titlepage("Slides with {\tt Asymptote}: Animations","John C. Bowman", + "University of Alberta","\today","http://asymptote.sf.net"); + +title("Embedded PDF movies (portable)"); +animation a=animation("A"); +animation b=animation("B"); +int n=20; +for(int i=0; i < 2n; ++i) { + picture pic; + size(pic,100); + draw(pic,shift(0,sin(pi/n*i))*unitsquare); + a.add(pic); + if(i < 1.5n) b.add(rotate(45)*pic); +} +display(a.pdf("autoplay,loop,controls",multipage=false)); +display(b.pdf("controls",multipage=false)); + +// Generated needed files if they don't already exist. +asy("mpg","wheel"); + +title("External Movie (portable)"); +display(external.embed("wheel.mpg", + "poster,text=wheel.mpg,label=wheel.mpg",20cm,5.6cm)); +display(external.link("wheel.mpg","Play","play")); + +title("Embedded Movie (not portable)"); +display(embed.embed("wheel.mpg", + "poster,text=wheel.mpg,label=wheel.mpg", + 20cm,5.6cm)); +display(embed.link("wheel.mpg","Play","play")); diff --git a/Master/texmf-dist/doc/asymptote/examples/animations/sphere.asy b/Master/texmf-dist/doc/asymptote/examples/animations/sphere.asy new file mode 100644 index 00000000000..125cecc5566 --- /dev/null +++ b/Master/texmf-dist/doc/asymptote/examples/animations/sphere.asy @@ -0,0 +1,42 @@ +import solids; +import animation; + +currentprojection=orthographic((0,5,2)); +currentlight=(0,5,5); + +settings.thick=false; +settings.render=0; + +int nbpts=200; +real step=2*pi/nbpts; +int angle=10; + +unitsize(1cm); + +triple[] P=new triple[nbpts]; +for(int i=0; i < nbpts; ++i) { + real t=-pi+i*step; + P[i]=(3sin(t)*cos(2t),3sin(t)*sin(2t),3cos(t)); +} + +transform3 t=rotate(angle,(0,0,0),(1,0.25,0.25)); +revolution r=sphere(O,3); +draw(surface(r),lightgrey); +draw(r,backpen=linetype("8 8",8)); + +animation A; + +for(int phi=0; phi < 360; phi += angle) { + bool[] front=new bool[nbpts]; + save(); + for(int i=0; i < nbpts; ++i) { + P[i]=t*P[i]; + front[i]=dot(P[i],currentprojection.camera) > 0; + } + draw(segment(P,front,operator ..),1mm+blue+extendcap); + draw(segment(P,!front,operator ..),grey); + A.add(); + restore(); +} + +A.movie(0,200); diff --git a/Master/texmf-dist/doc/asymptote/examples/animations/torusanimation.asy b/Master/texmf-dist/doc/asymptote/examples/animations/torusanimation.asy new file mode 100644 index 00000000000..74a5df43278 --- /dev/null +++ b/Master/texmf-dist/doc/asymptote/examples/animations/torusanimation.asy @@ -0,0 +1,43 @@ +import graph3; +import animation; +import solids; + +currentprojection=perspective(50,40,20); + +currentlight=(0,5,5); + +real R=3; +real a=1; +int n=8; + +path3[] p=new path3[n]; +animation A; + +for(int i=0; i < n; ++i) { + triple g(real s) { + real twopi=2*pi; + real u=twopi*s; + real v=twopi/(1+i+s); + real cosu=cos(u); + return((R-a*cosu)*cos(v),(R-a*cosu)*sin(v),-a*sin(u)); + } + p[i]=graph(g,0,1,operator ..); +} + +triple f(pair t) { + real costy=cos(t.y); + return((R+a*costy)*cos(t.x),(R+a*costy)*sin(t.x),a*sin(t.y)); +} + +surface s=surface(f,(0,0),(2pi,2pi),8,8,Spline); + +for(int i=0; i < n; ++i){ + picture fig; + size(fig,20cm); + draw(fig,s,yellow); + for(int j=0; j <= i; ++j) + draw(fig,p[j],blue+linewidth(4)); + A.add(fig); +} + +A.movie(BBox(10,Fill(rgb(0.98,0.98,0.9))),delay=100); diff --git a/Master/texmf-dist/doc/asymptote/examples/animations/wavepacket.asy b/Master/texmf-dist/doc/asymptote/examples/animations/wavepacket.asy new file mode 100644 index 00000000000..006fbce1543 --- /dev/null +++ b/Master/texmf-dist/doc/asymptote/examples/animations/wavepacket.asy @@ -0,0 +1,86 @@ +// Author : Philippe Ivaldi +// http://www.piprime.fr/ +// 2006/11/10 + +import animation; +import graph; + +unitsize(x=2cm,y=1.5cm); + +typedef real realfcn(real); + +real lambda=4; +real T=2; +real [] k=new real[3]; +real [] w=new real[3]; +k[0]=2pi/lambda; +w[0]=2pi/T; +real dk=-.5; +k[1]=k[0]-dk; +k[2]=k[0]+dk; +real dw=1; +w[1]=w[0]-dw; +w[2]=w[0]+dw; + +real vp=w[1]/k[1]; +real vg=dw/dk; + +realfcn F(real x) { + return new real(real t) { + return cos(k[1]*x-w[1]*t)+cos(k[2]*x-w[2]*t); + }; +}; + +realfcn G(real x) { + return new real(real t) { + return 2*cos(0.5*(k[2]-k[1])*x+0.5*(w[1]-w[2])*t); + }; +}; + +realfcn operator -(realfcn f) {return new real(real t) {return -f(t);};}; + +animation A; + +real tmax=abs(2pi/dk); +real xmax=abs(2pi/dw); + +pen envelope=0.8*blue; +pen fillpen=lightgrey; + +int n=50; +real step=tmax/(n-1); +for(int i=0; i < n; ++i) { + save(); + real t=i*step; + real a=xmax*t/tmax-xmax/pi; + real b=xmax*t/tmax; + path f=graph(F(t),a,b); + path g=graph(G(t),a,b); + path h=graph(-G(t),a,b); + fill(buildcycle(reverse(f),g),fillpen); + draw(f); + draw(g,envelope); + draw(h,envelope); + A.add(); + restore(); +} + +for(int i=0; i < n; ++i) { + save(); + real t=i*step; + real a=-xmax/pi; + real b=xmax; + path f=graph(F(t),a,b); + path g=graph(G(t),a,b); + path h=graph(-G(t),a,b); + path B=box((-xmax/pi,-2),(xmax,2)); + fill(buildcycle(reverse(f),g,B),fillpen); + fill(buildcycle(f,g,reverse(B)),fillpen); + draw(f); + draw(g,envelope); + draw(h,envelope); + A.add(); + restore(); +} + +A.movie(0,10); diff --git a/Master/texmf-dist/doc/asymptote/examples/animations/wheel.asy b/Master/texmf-dist/doc/asymptote/examples/animations/wheel.asy new file mode 100644 index 00000000000..6620d590850 --- /dev/null +++ b/Master/texmf-dist/doc/asymptote/examples/animations/wheel.asy @@ -0,0 +1,63 @@ +import graph; + +// Uncomment the following 2 lines to support pdf animations: +// usepackage("animate"); +// settings.tex="pdflatex"; + +import animation; + +size(0,200); + +defaultpen(3); +dotfactor=4; + +pair wheelpoint(real t) +{ + return (t+cos(t),-sin(t)); +} + +guide wheel(guide g=nullpath, real a, real b, int n) +{ + real width=(b-a)/n; + for(int i=0; i <= n; ++i) { + real t=a+width*i; + g=g--wheelpoint(t); + } + return g; +} + +real t1=0; +real t2=t1+2*pi; + +animation a; + +draw(circle((0,0),1)); +draw(wheel(t1,t2,100),linetype("0 2")); +yequals(Label("$y=-1$",1.0),-1,extend=true,linetype("4 4")); +xaxis(Label("$x$",align=3SW),0); +yaxis("$y$",0,1.2); +pair z1=wheelpoint(t1); +pair z2=wheelpoint(t2); +dot(z1); +dot(z2); + +int n=10; +real dt=(t2-t1)/n; +for(int i=0; i <= n; ++i) { + save(); + + real t=t1+dt*i; + draw(circle((t,0),1),red); + dot(wheelpoint(t)); + + a.add(); // Add currentpicture to animation. + restore(); +} + +erase(); + +// Merge the images into a gif animation. +a.movie(BBox(0.25cm),loops=10,delay=250); + +// Merge the images into a pdf animation. +// label(a.pdf(BBox(0.25cm),delay=250,"controls",multipage=false)); -- cgit v1.2.3