<div dir="ltr">Hello, <div><br></div><div>you can have a look on this page : <a href="http://reat.space.qinetiq.com/gps/new_gps_sum_files/gps_sum.htm">http://reat.space.qinetiq.com/gps/new_gps_sum_files/gps_sum.htm</a></div>

<div><br></div><div style>Sincerely, </div><div style>David</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Sat, Mar 16, 2013 at 6:10 AM, ???? <span dir="ltr"><<a href="mailto:golder_time@163.com" target="_blank">golder_time@163.com</a>></span> wrote:<br>

<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">hi ,<br>
   I do simulation of Linac, i do not know to deal with the command in the main-write-phs.mac,  the following are<br>
<br>
/gate/source/addSource                mybeam gps<br>
<br>
/gate/source/mybeam/gps/particle      e-<br>
<br>
/gate/source/mybeam/gps/pos/type      Beam<br>
<br>
/gate/source/mybeam/gps/pos/rot1      0 1 0<br>
<br>
/gate/source/mybeam/gps/pos/rot2      1 0 0<br>
<br>
/gate/source/mybeam/gps/pos/shape     Circle<br>
<br>
/gate/source/mybeam/gps/pos/centre    0. 0. 0.6 mm<br>
<br>
/gate/source/mybeam/gps/pos/sigma_x   1.274 mm<br>
<br>
/gate/source/mybeam/gps/pos/sigma_y   1.274 mm<br>
<br>
/gate/source/mybeam/gps/ang/rot1      1 0 0<br>
<br>
/gate/source/mybeam/gps/ang/rot2      0 1 0<br>
<br>
/gate/source/mybeam/gps/ang/type      beam1d<br>
<br>
/gate/source/mybeam/gps/ang/sigma_r   0 deg<br>
<br>
/gate/source/mybeam/gps/ene/type      Gauss<br>
<br>
/gate/source/mybeam/gps/ene/mono      6.7 MeV<br>
<br>
/gate/source/mybeam/gps/ene/sigma     0.077 MeV<br>
<br>
/gate/source/mybeam/gps/direction     0 0 -1<br>
<br>
<br>
<br>
 any one can give me a explaination about the pos/rot1 ,/pos/centre and/pos/sigma  ?<br>
<br>
<br>
<br>
Thank you in advance.<br>
Best regards.<br>
<br>
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</blockquote></div><br><br clear="all"><div><br></div>-- <br><div dir="ltr">David Sarrut, Phd<br>Chargé de recherche CNRS<br>CREATIS, UMR CNRS 5220, Inserm U 1044<div>Centre de lutte contre le cancer Léon Bérard<br>28 rue Laënnec, 69373 Lyon cedex 08<br>

Tel : 04 78 78 51 51 / 06 74 72 05 42<br><a href="http://www.creatis.insa-lyon.fr/~dsarrut" target="_blank">http://www.creatis.insa-lyon.fr/~dsarrut</a><br>_________________________________</div><div> "2 + 2 = 5,  for extremely large values of 2"<br>

_________________________________</div></div>
</div>