<div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><br>
hi, the data comes from a file which is a .res file, and in this file, there<br>
are stored the coordinates of the vectors.<br>
<font color="#888888">--</font><br></blockquote></div><br>I didn't find anything definitive about the format of a .res file, but since you didn't say anything else I'm assuming it was plain text? See this example:<br>
<br><a href="http://www.vtk.org/Wiki/Read_a_plain_text_file_into_a_polydata">http://www.vtk.org/Wiki/Read_a_plain_text_file_into_a_polydata</a><br><br>and let us know what you still have trouble with.<br><br clear="all">Thanks,<br>
<br>David<br>
<br><br>