<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"><base href="x-msg://646/"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div apple-content-edited="true"></div><div apple-content-edited="true"><br></div><div apple-content-edited="true"><br></div><div apple-content-edited="true">For whatever material you want to use, you need to define it in your material file (no matter how you name it) with the proper name and directory reported in your macro. </div><div apple-content-edited="true"><br></div><div apple-content-edited="true">Hope this helps. </div><div apple-content-edited="true"><br></div><div apple-content-edited="true">Thibault </div><div apple-content-edited="true"><br></div><div apple-content-edited="true"><br></div><br><br><div apple-content-edited="true"> <div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>Post-doctoral fellow</div><div>Division of Medical Imaging Physics </div><div>Johns Hopkins Medical Institutions</div><div>JHOC 4260, 601 N. Caroline street, Baltimore, MD, 21287</div><div>Tel: +1 410 502 3772</div><div>Fax: +1 410 614 1060</div><div><a href="http://www.hopkinsradiology.org/dmip/">http://www.hopkinsradiology.org/dmip/</a></div></div><div><br></div></div><br class="Apple-interchange-newline"><br class="Apple-interchange-newline"> </div> <br><div><div>On Jan 12, 2014, at 10:56 PM, Tasneem Rahman <<a href="mailto:Tasneem.Rahman@student.adfa.edu.au">Tasneem.Rahman@student.adfa.edu.au</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div lang="EN-AU" link="blue" vlink="purple" style="font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div class="WordSection1" style="page: WordSection1; "><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">Dear GATE users,<o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div></div></div></blockquote><blockquote type="cite"><div lang="EN-AU" link="blue" vlink="purple" style="font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div class="WordSection1" style="page: WordSection1; "><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">I am following wiki Users Guide V6.1.<br><br><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">I am trying to run the following command:<br><br><span style="color: rgb(79, 129, 189); ">/gate/geometry/setMaterialDatabase MyMaterialDatabase.db</span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">But I am getting the following error message:<br><br><span style="color: red; ">GateMDBFile: : GateMDBFile:<br> Could not find material database file ‘MyMaterialDatabase.db’.<br> Computation aborted.<br><br>*** G4Exception: Aborting execution ***<br><br></span><span style="">I am wondering whether I should be able to access the material database or I need to create materials each time I want. Please let me know how can I resolve this issue.<br><br><br></span>Thanks,<br>Smita<o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div></div>_______________________________________________<br>Gate-users mailing list<br><a href="mailto:Gate-users@lists.opengatecollaboration.org" style="color: purple; text-decoration: underline; ">Gate-users@lists.opengatecollaboration.org</a><br><a href="http://lists.opengatecollaboration.org/mailman/listinfo/gate-users" style="color: purple; text-decoration: underline; ">http://lists.opengatecollaboration.org/mailman/listinfo/gate-users</a></div></blockquote></div><br></body></html>