RailwayRouteOptimization/scripts/Draw/Line/doc/Line_desc_en.html

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  <a name="type" />
  <p>
    <i>Line Types</i>
  </p>
  <p>Most line tools allow you to choose the type of line to create in the
  options toolbar. The line types available are: 
  <ul>
    <li>Auto: 
    <br />
    <img src="TypeAuto.png" width="40" height="40" />
    <br />Automatically create a line of the same type as a chosen other line.
    This applies for the parallel line tool.</li>
    <li>Line Segment: 
    <br />
    <img src="TypeSegment.png" width="40" height="40" />
    <br />Creates line segments from a start point to an end point.</li>
    <li>Infinite Line: 
    <br />
    <img src="TypeXLine.png" width="40" height="40" />
    <br />Creates infinite lines that go through two given points. These are
    sometimes called X-lines or construction lines.</li>
    <li>Rays: 
    <br />
    <img src="TypeRay.png" width="40" height="40" />
    <br />Creates rays from a given start point, through another point with an
    infinite length.</li>
  </ul></p>
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