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Diffstat (limited to 'Master/texmf-dist/doc/asymptote/examples/filesurface.asy')
-rw-r--r-- | Master/texmf-dist/doc/asymptote/examples/filesurface.asy | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/asymptote/examples/filesurface.asy b/Master/texmf-dist/doc/asymptote/examples/filesurface.asy new file mode 100644 index 00000000000..eef9d37f494 --- /dev/null +++ b/Master/texmf-dist/doc/asymptote/examples/filesurface.asy @@ -0,0 +1,45 @@ +import graph3; +import palette; + +size3(200,IgnoreAspect); + +file in=input("filesurface.dat").line(); +real[] x=in; +real[] y=in; + +real[][] f=in.dimension(0,0); + +triple f(pair t) { + int i=round(t.x); + int j=round(t.y); + return (x[i],y[j],f[i][j]); +} + +surface s=surface(f,(0,0),(x.length-1,y.length-1),x.length-1,y.length-1); +real[] level=uniform(min(f)*(1-sqrtEpsilon),max(f)*(1+sqrtEpsilon),4); + +s.colors(palette(s.map(new real(triple v) {return find(level >= v.z);}), + Rainbow())); + +draw(s,meshpen=thick(),render(merge=true)); + +triple m=currentpicture.userMin(); +triple M=currentpicture.userMax(); +triple target=0.5*(m+M); + +xaxis3("$x$",Bounds,InTicks); +yaxis3("$y$",Bounds,InTicks(Step=1,step=0.1)); +zaxis3("$z$",Bounds,InTicks); + +/* +picture palette; +size3(palette,1cm); +draw(palette,unitcube,red); +frame F=palette.fit3(); +add(F,(M.x,m.y,m.z)); +*/ + +currentprojection=perspective(camera=target+realmult(dir(68,225),M-m), + target=target); + + |