href="../images/bumpMap2.png" x="90" y="30" width="50" height="30" filter="url(#diffuseConstantA)"/>
      <image xlink:href="../images/bumpMap2.png" x="160" y="30" width="50" height="30" filter="url(#diffuseConstantB)"/>
      <image xlink:href="../images/bumpMap2.png" x="230" y="30" width="50" height="30" filter="url(#diffuseConstantC)"/>
    </g>
    <!-- Various Light Colors -->
    <g transform="translate(0, 190)">
      <text x="90" y="25">Various values for lighting color: red, yellow and blue</text>