rasterclock.svg

<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN" 
  "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
<!--
  Block Clock

  Copyright 2002 Tom White

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
-->
<svg viewBox="-1 -1 14 14" preserveAspectRatio="xMidYMin"
     xmlns="http://www.w3.org/2000/svg"
     scriptImplementation="Adobe"
     onload="startClock(evt)">
  <script type="text/ecmascript"><![CDATA[
    var timerIncrement = 1000;
    var sun;
    function startClock(evt) {
      window.updateClock = updateClock
      sun = evt.target.ownerDocument.getElementById("sun");
      updateClock();
    }
    function updateClock() {
      drawClock(new Time());
      setTimeout("updateClock()", timerIncrement);
    }
    function drawClock(time) {
      sun.setAttribute("cx", 12 * time.fraction);
      sun.setAttribute("cy", time.hour + time.fraction);
    }
    
    // I store time as hours, minutes, seconds and the fraction of the hour.
    function Time() {
      var now = new Date();
      this.hour = now.getHours() % 12;
      this.minutes = now.getMinutes();
      this.seconds = now.getSeconds();
      this.fraction = (this.minutes * 60 + this.seconds) / 3600;
    }
  ]]></script>

  <desc>An analogue block clock.</desc>
  <title>Block Clock</title>

  <g stroke="grey" stroke-width="0.05">
    <line x1="0" y1="0" x2="12" y2="1"/>
    <line x1="0" y1="1" x2="12" y2="2"/>
    <line x1="0" y1="2" x2="12" y2="3"/>
    <line x1="0" y1="3" x2="12" y2="4"/>
    <line x1="0" y1="4" x2="12" y2="5"/>
    <line x1="0" y1="5" x2="12" y2="6"/>
    <line x1="0" y1="6" x2="12" y2="7"/>
    <line x1="0" y1="7" x2="12" y2="8"/>
    <line x1="0" y1="8" x2="12" y2="9"/>
    <line x1="0" y1="9" x2="12" y2="10"/>
    <line x1="0" y1="10" x2="12" y2="11"/>
    <line x1="0" y1="11" x2="12" y2="12"/>
  </g>
  
  <circle id="sun" cx="-1" cy="-1" r="0.3" fill="orange" />

  <g stroke="black" stroke-width="0.1">
    <line x1="3" y1="0" x2="3" y2="12"/>
    <line x1="6" y1="0" x2="6" y2="12"/>
    <line x1="9" y1="0" x2="9" y2="12"/>
    <line x1="0" y1="3" x2="12" y2="3"/>
    <line x1="0" y1="6" x2="12" y2="6"/>
    <line x1="0" y1="9" x2="12" y2="9"/>
  </g>

  <g font-family="Verdana" font-size="0.5" fill="black">
    <text x="-0.5" y="0.2">0</text>
    <text x="-0.5" y="1.2">1</text>
    <text x="-0.5" y="2.2">2</text>
    <text x="-0.5" y="3.2">3</text>
    <text x="-0.5" y="4.2">4</text>
    <text x="-0.5" y="5.2">5</text>
    <text x="-0.5" y="6.2">6</text>
    <text x="-0.5" y="7.2">7</text>
    <text x="-0.5" y="8.2">8</text>
    <text x="-0.5" y="9.2">9</text>
    <text x="-0.75" y="10.2">10</text>
    <text x="-0.75" y="11.2">11</text>
    <text x="-0.75" y="12.2">12</text>

    <text x="2.65" y="-0.4">15</text>
    <text x="5.65" y="-0.4">30</text>
    <text x="8.65" y="-0.4">45</text>
  </g>
  
</svg>