for (int i = 0; i < width; i++){ double v = ((double)(i+1)/(double)width) * levelMax; int colorInt = colorRamp.getRGB(t.transform(v)); g.setColor(new Color(colorInt, true)); g.drawLine(i, 0, i, height); for(int i = 0; i <= height; i++){ double v = ((double)(i+1)/(double)height) * levelMax; int colorInt = colorRamp.getRGB(t.transform(v)); g.setColor(new Color(colorInt, true)); int y = height-i;