surface.svg Example File

  <?xml version="1.0" encoding="UTF-8" standalone="no"?>
  <!-- Created with Inkscape (http://www.inkscape.org/) -->
  <svg
     xmlns:svg="http://www.w3.org/2000/svg"
     xmlns="http://www.w3.org/2000/svg"
     xmlns:xlink="http://www.w3.org/1999/xlink"
     version="1.0"
     width="744.09448"
     height="1052.3622"
     id="svg2685">
    <defs
       id="defs2687">
      <linearGradient
         id="linearGradient5097">
        <stop
           id="stop5099"
           style="stop-color:#19a2db;stop-opacity:0"
           offset="0" />
        <stop
           id="stop5109"
           style="stop-color:#1379a7;stop-opacity:0.49803922"
           offset="0.30000001" />
        <stop
           id="stop5101"
           style="stop-color:#0e5173;stop-opacity:1"
           offset="1" />
      </linearGradient>
      <linearGradient
         x1="590.84674"
         y1="274.57559"
         x2="590.84674"
         y2="334.01376"
         id="linearGradient5103"
         xlink:href="#linearGradient5097"
         gradientUnits="userSpaceOnUse"
         gradientTransform="translate(-172.21428,209.55976)"
         spreadMethod="pad" />
    </defs>
    <g
       id="layer1">
      <rect
         width="1053.5891"
         height="67.882248"
         x="-172.50883"
         y="484.13535"
         id="rect3448"
         style="opacity:1;fill:url(#linearGradient5103);fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
    </g>
  </svg>