ETPOINTUNIT Modify point's unit.</span>
0003 <span class="comment">%</span>
0004 <span class="comment">%  BTKSETPOINTUNIT(H, TYPE, UNIT) modifies point's unit by UNIT.</span>
0005 <span class="comment">%  TYPE must be a string corresponding to one type of points:</span>
0006 <span class="comment">%   - marker</span>
0007 <span class="comment">%   - angle</span>
0008 <span class="comment">%   - force</span>
0009 <span class="comment">%   - moment</span>
0010 <span class="comment">%   - power</span>
0011 <spa