<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><div class="gmail_extra"><br></div><div class="gmail_extra">But I think I found a pattern in the problem. Using qint64, it only happens with 3d layers. With 2d layers, or converting layers 3d to 2d, it works ok.<span class=""><font color="#888888"><br><br></font></span></div></div></div></blockquote><div><br></div></div>I tested with the line with 2 vertices: <br><br>ORGANIZATION: <br>DIGIT DATE:   <br>DIGIT NAME:   pedro<br>MAP NAME:     <br>MAP DATE:     Mon Oct 19 22:50:09 2015<br>MAP SCALE:    1<br>OTHER INFO:   <br>ZONE:         0<br>MAP THRESH:   0.000000<br>VERTI:<br>L  2 1<br> 24882.53560915 98945.88447038<br> 61983.02003822 107847.51076796<br> 1     1         <br><br><br></div><div class="gmail_extra">converted to 3d (v.drape):<br><br>ORGANIZATION: <br>DIGIT DATE:   <br>DIGIT NAME:   pedro<br>MAP NAME:     <br>MAP DATE:     Mon Oct 19 22:50:09 2015<br>MAP SCALE:    1<br>OTHER INFO:   <br>ZONE:         0<br>MAP THRESH:   0.000000<br>VERTI:<br>L  2 1<br> 24882.53560915 98945.88447038 460         <br> 61983.02003822 107847.51076796 473         <br> 1     1         <br><br><br></div><div class="gmail_extra">and moving 1 vertex (the line disappears):<br><br>ORGANIZATION: <br>DIGIT DATE:   <br>DIGIT NAME:   pedro<br>MAP NAME:     <br>MAP DATE:     Mon Oct 19 22:50:09 2015<br>MAP SCALE:    1<br>OTHER INFO:   <br>ZONE:         0<br>MAP THRESH:   0.000000<br>VERTI:<br>L  0 1<br> 1     1         <br><br></div><div class="gmail_extra"><br></div><div class="gmail_extra">Best regards,<br></div><div class="gmail_extra">Pedro<br></div><div class="gmail_extra"><br><br><br></div></div>