<div dir="ltr">Hi,<br><br>for q vs I(q), ie. q vector vs coherent X-ray scattering intensity, use the 3rd and the 4th column labeled with q [1/A] and <|F(q)|^2>, respectively. Any 2d plotting software (e.g. gnuplot, xmgrace etc.) should be able to do this job.<br><br>Best regards,<br><br>Matthias<br><br><br>On Tuesday, April 8, 2014 1:33:09 PM UTC+2, roben nano wrote:<blockquote class="gmail_quote" style="margin: 0;margin-left: 0.8ex;border-left: 1px #ccc solid;padding-left: 1ex;"><div dir="ltr"><span lang="en"><span>hello</span> <span></span><span>,</span><br> <span>I want to</span> plot <span>a</span> <span>file "<b>H2O-</b></span><b><span>xrd</span><span>-</span><span>xrdess</span><span>-</span><span>xrd</span><span>-</span><span>1_0.dat</span></b>" <span>file obtained</span> <span>by </span></span><span lang="en"><span><i>Calculate and print the coherent X-ray diffraction spectrum</i></span><br> <span>I found these</span> <span>columns:</span><br> <span>#</span> <span>Q</span> <span>shell</span> <span>items</span> <span>[</span><span>1</span> <span>/</span> <span>A]</span>    <span><</span><span>|</span> <span>F</span> <span>(</span><span>q</span><span>)</span> <span>|</span> <span>^ 2</span><span>></span>    <span>Min (</span><span>|</span> <span>F</span> <span>(</span><span>q</span><span>)</span> <span>|</span><span>)</span>    <span>Max</span> <span>(</span><span>|</span> <span>F</span> <span>(</span><span>q</span><span>)</span> <span>|</span><span>)</span>    <span><</span><span>|</span> <span>F</span> <span>(</span><span>q</span><span>)</span> <span>|</span><span>></span> <span>^ 2</span>     <span><</span><span>|</span> <span>F</span> <span>(</span><span>q)</span> <span>| ^</span> <span>4></span><br> <span></span></span><span lang="en"><span><span lang="en"><span>which of these column I can plotting</span><span></span> </span></span><span></span>?<br> <span></span></span><span lang="en"><span>what is</span> <span>the</span>  <span>software that can</span></span><span lang="en"><span> do this plotting?<br></span></span><span lang="en"><span>my regards</span> </span><br></div></blockquote></div>