asymptote-2.67/base/palette.asy

364   pen[] Palette;
366   Palette=new pen[n*nintervals];
372     Palette[i]=rgb(1.0,0.0,ininv);
373     Palette[n+i]=rgb(ininv1,0.0,1.0);
374     Palette[2n+i]=rgb(0.0,ininv,1.0);
375     Palette[3n+i]=rgb(0.0,1.0,ininv1);
376     Palette[4n+i]=rgb(ininv,1.0,0.0);
377     Palette[5n+i]=rgb(1.0,ininv1,0.0);
379   return Palette;
392   pen[] Palette;
394   Palette=new pen[n*nintervals+offset];
400     Palette[i]=rgb(ininv1,0.0,1.0);
401     Palette[n+i]=rgb(0.0,ininv,1.0);
402     Palette[2n+i]=rgb(0.0,1.0,ininv1);
403     Palette[3n+i]=rgb(ininv,1.0,0.0);
404     Palette[4n+i]=rgb(1.0,ininv1,0.0);
406   Palette[4n+n]=rgb(1.0,0.0,0.0);
408   return Palette;
427   pen[] Palette;
429   Palette=new pen[NColors];
438       Palette[i]=rgb(ininv1,0.0,1.0);
439       Palette[n+i]=rgb(0.0,ininv,1.0);
440       Palette[2n+i]=rgb(0.0,1.0,ininv1);
441       Palette[3n+i]=rgb(ininv,1.0,0.0);
442       Palette[4n+i]=rgb(1.0,ininv1,0.0);
443       Palette[5n+i]=rgb(1.0,0.0,ininv);
450       Palette[k+i]=rgb(1.0-i*ninv,0.0,1.0);
458       Palette[k+i]=rgb(ininv,0.0,ininv);
459       Palette[k+n3+i]=rgb(third,0.0,third+ininv);
460       Palette[k+n23+i]=rgb(third-ininv,0.0,twothirds+ininv);
468     Palette[k+i]=rgb(0.0,ininv,1.0);
469     Palette[k+n+i]=rgb(0.0,1.0,ininv1);
470     Palette[k+2n+i]=rgb(ininv,1.0,0.0);
471     Palette[k+3n+i]=rgb(1.0,ininv1,0.0);
472     Palette[k+4n+i]=rgb(1.0,ininv,ininv);
474   Palette[k+5n]=rgb(1.0,1.0,1.0);
476   return Palette;
480 pen[] quantize(pen[] Palette, int n)
482   if(Palette.length == 0) abort("cannot quantize empty palette");
484   real step=(Palette.length-1)/(n-1);
486       return Palette[round(i*step)];
500   pen[] Palette=BWRainbow(NColors,true);
501   int n=Palette.length;
504     Palette[i]=i*ninv*Palette[i];
505   return Palette;
525 pen[] cmyk(pen[] Palette)
527   int n=Palette.length;
529     Palette[i]=cmyk(Palette[i]);
530   return Palette;