RailwayRouteOptimization/scripts/Draw/Line/LineBisector/doc/LineBisector_proc_en.html

<ol xml:space="preserve">
<li>Choose the desired 
  
<a href="../../doc/Line_en.html#type">line type</a> in the options
toolbar.</li>
  
<li>In the options tool bar enter the length of the bisector(s), starting from
the intersection point of the two lines. In the second text box, choose the
number of angle bisectors you want to create. The default is '1' but you can
also create multiple bisectors as shown here:
  
<br />
  
<img src="LineBisectorFigure.png" class="figure" />
</li>
  
<li>Click the first line entity which limits the angle.</li>
  
<li>Click the second line entity with the mouse cursor on that side of the line
on which you want to create the angle bisector(s). The preview shows the angle
bisector(s) before they are created.</li>
</ol>