15 Nov 2007

Official Asymptote example – markregular

Figure 0141
(Compiled with Asymptote version 2.14svn-r5318)
/* This code comes from The Official Asymptote Gallery */
    
import graph;

size(10cm,0);

real xmin=-4,xmax=4;
real ymin=-2,ymax=10;

real f(real x) {return x^2;}

marker cross=marker(scale(4)*rotate(45)*cross(4),
                    markuniform(new pair(real t) {return Scale((t,f(t)));},
                                xmin,xmax,round(2*(xmax-xmin))),1bp+red);

draw(graph(f,xmin,xmax,n=400),linewidth(1bp),cross);

ylimits(-2.5,10,Crop);

xaxis(Label("$x$",position=EndPoint, align=NE),xmin=xmin,xmax=xmax,
      Ticks(scale(.7)*Label(align=E),NoZero,begin=false,beginlabel=false,
            end=false,endlabel=false,Step=1,step=.25,
            Size=1mm, size=.5mm,pTick=black,ptick=gray),Arrow);

yaxis(Label("$y$",position=EndPoint, align=NE),ymin=ymin,ymax=ymax,
      Ticks(scale(.7)*Label(),NoZero,begin=false,beginlabel=false,
            end=false,endlabel=false,Step=1,step=.25,Size=1mm,size=.5mm,
            pTick=black,ptick=gray),Arrow);

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