// Sample scene.
    //      yuqk monoBoxChars.pov +w800 +h800 +p
    // As animation:
    //      yuqk monoBoxChars.pov +w800 +h800 +p +kff10
    #version unofficial 3.8; // yuqk
    #if (file_exists("version.inc"))
        #include "version.inc"
    #end
    #if (!defined(Fork_yuqk))
        #error "This POV-Ray SDL code requires the yuqk fork."
    #end
    global_settings { assumed_gamma 1.0 }
    #declare VarOrthoMult =
        3.0/max(image_width/image_height,image_height/image_width);
    #declare Camera01z = camera {
        orthographic
        location <0,0,-2>
        direction z
        right VarOrthoMult*x*max(1,image_width/image_height)
        up VarOrthoMult*y*max(1,image_height/image_width)
    }
    #include "functions.inc"
    #declare
    //  FontFile = "/home/pokorny/Fonts/LiberationMono-Regular.ttf"
        FontFile = "/home/pokorny/Fonts/UbuntuMono-R.ttf"
    #declare BoxChars = "─│┌┐└┘├┤┬┴┼┼┼┼┼─│"
    #declare RndSd = seed(f_clock(0,0,0)*1e2);
    #declare Rows = 12;
    #declare Cols = 20;
    #declare Ary = array[Rows]
    #for (R,0,Rows-1,1)
        #declare Ary[R] = concat(
        #for (C,0,Cols-1,1)
            substr(BoxChars,int(1+rand(RndSd)*(strlen(BoxChars)-1e-6)),1),
        #end
        "")
    #end
    plane { -z 0
        pigment {
            bool_object {
            #for (R,0,Rows-1,1)
                text { ttf FontFile Ary[R] 1,0 translate <0,6-(1*R),0> }
            #end
                pigment { rgb 0 }
                pigment { rgb <1,1,0> }
            }
            scale <1/5,1/5,1>
            translate <-1,-0.1,-0.5>
        }
        finish { emission 1 }
    }
    camera { Camera01z }