Processing.org code for the cover of http://8tracks.com/danielrt/46

46.pde

int i, j, gray;
PGraphics n46; // raster "46."
PFont fnt=createFont("HelveticaNeueLTStd-Bd", 54);

void setup() {
  size(1440, 1440);
  background(255);
  n46=createGraphics(90, 90); // raster "46."
  n46.beginDraw();
  n46.background(0);
  n46.fill(255);
  n46.textFont(fnt);
  n46.textAlign(CENTER, TOP);
  n46.text("46.", 45, 40);
  n46.endDraw();
  strokeWeight(6);
  for(i=0; i<90; i++) {
    for(j=0; j<90; j++) {
      gray=round(red(n46.pixels[i+j*n46.width])/32);
      stroke(
        round(234+(20*i/90)),
        round(38+(145*j/90)),
        round(92-(92*i/90))
      );
      line(
        i*16+gray,
        j*16,
        i*16+16-gray,
        j*16+16
      );
    }
  }
  save("46.png");
}