<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div><br></div><div>Hello Zeinab Telikani,</div><div style="font-size: 13px;"><br></div><div>in fact, there are options to be set in the digitiser part.</div><div>You may have a look at the <b>benchmark</b> for <b>SPECT</b>,</div><div>where the following lines are copied from:</div><div><br></div><div><div><br></div><div># D I G I T I Z E R</div><div>#####</div><div># The digitizer tracks what happens in the detection system and in the electronics</div><div># Build a digitizer that first computes the centroid of interactions</div><div>##</div><div>/gate/digitizer/Singles/insert adder</div><div>/gate/digitizer/Singles/insert blurring</div><div>/gate/digitizer/Singles/blurring/setLaw linear</div><div>/gate/digitizer/Singles/blurring/linear/setResolution 0.10</div><div>/gate/digitizer/Singles/blurring/linear/setEnergyOfReference 140. keV</div><div>/gate/digitizer/Singles/blurring/linear/setSlope 0.001 1/keV</div><div>/gate/digitizer/Singles/insert spblurring</div><div>/gate/digitizer/Singles/spblurring/setSpresolution 2.0 mm</div><div>/gate/digitizer/Singles/spblurring/verbose 0</div><div>/gate/digitizer/Singles/insert thresholder</div><div>/gate/digitizer/Singles/thresholder/setThreshold 20. keV</div><div>/gate/digitizer/Singles/insert upholder</div><div>/gate/digitizer/Singles/upholder/setUphold 190. keV</div><div><br></div></div><div>also, there is an <b>example</b> for <b>SPECT</b> you can find in every GATE</div><div>distribution. </div><div><br></div><div>I hope this helps!</div><div><br></div><div>Kind regards,</div><div><br></div><div>Uwe Pietrzyk</div><div><br></div><br><div> <div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div><span style="orphans: 2; widows: 2;">/----------------------------------------------------------------------</span></div><div style="orphans: 2; widows: 2;">Prof. Dr. Uwe Pietrzyk<br>Diplom-Physiker<br>Institut für Neurowissenschaften und Medizin / INM-4<br>Forschungszentrum Jülich GmbH<br>52425 Jülich<br>Tel: +49-2461-61 4763<br>Fax: +49-2461-61 2820<br>Mobil: +49-162-103-4871<br>eMail: <a href="mailto:U.Pietrzyk@fz-juelich.de">U.Pietrzyk@fz-juelich.de</a><br><a href="http://www.fz-juelich.de/inm/inm-4/DE/Home/home_node.html">http://www.fz-juelich.de/inm/inm-4/DE/Home/home_node.html</a><br>&<br>Bergische Universität Wuppertal<br>Fakultät für Mathematik und Naturwissenschaften</div><div style="orphans: 2; widows: 2;">Büro: D.08.01<br>Gaußstr. 20<br>42097 Wuppertal<br>Tel: +49-(0)202-439-3523<br>Fax: +49-(0)202-439-2811<br>eMail: <a href="mailto:Uwe.Pietrzyk@physik.uni-wuppertal.de">Uwe.Pietrzyk@uni-wuppertal.de</a><br><a href="http://www.medizinphysik.uni-wuppertal.de/">http://www.medizinphysik.uni-wuppertal.de</a><br>----------------------------------------------------------------------/</div></div> </div> <br><div><div>On 08 Mar 2017, at 12:06, zeinab TELIKANI <<a href="mailto:telikani_z@yahoo.com">telikani_z@yahoo.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"><div><div style="background-color: rgb(255, 255, 255); font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 18px;"><div style="text-align:justify" id="yui_3_16_0_ym19_1_1488971091958_2845"><span style="font-size:14.0pt;line-height:115%;font-family:"Times New Roman","serif";mso-ascii-theme-font:major-bidi;mso-hansi-theme-font:major-bidi;mso-bidi-theme-font:major-bidi" id="yui_3_16_0_ym19_1_1488971091958_2846">Hi<o:p id="yui_3_16_0_ym19_1_1488971091958_2847"></o:p></span></div><div style="text-align:justify" id="yui_3_16_0_ym19_1_1488971091958_2848"><span style="font-size:14.0pt;line-height:115%;font-family:"Times New Roman","serif";mso-ascii-theme-font:major-bidi;mso-hansi-theme-font:major-bidi;mso-bidi-theme-font:major-bidi" id="yui_3_16_0_ym19_1_1488971091958_2849">I want to simulate a SPECT camera, but I do not know the amount of energy resolution and local blurring of this camera for different crystals and collimators. How can I define resolution and spatial blurring in digitizer?<o:p id="yui_3_16_0_ym19_1_1488971091958_2850"></o:p></span></div><div id="yui_3_16_0_ym19_1_1488971091958_2851">/gate/digitizer/Singles/blurring/inverseSquare/setResolution ( <span style="color:red" id="yui_3_16_0_ym19_1_1488971091958_2852">for different crystals ???</span>)<br id="yui_3_16_0_ym19_1_1488971091958_2853"> /gate/digitizer/Singles/blurring/inverseSquare/setEnergyOfReference 140 keV<span style="font-size: 16pt; line-height: 115%;" id="yui_3_16_0_ym19_1_1488971091958_2854"><o:p id="yui_3_16_0_ym19_1_1488971091958_2855"></o:p></span></div><div id="yui_3_16_0_ym19_1_1488971091958_2856">/gate/digitizer/Singles/spblurring/setSpResolution (<span style="color:red" id="yui_3_16_0_ym19_1_1488971091958_2857">for different collimators???</span>)<br id="yui_3_16_0_ym19_1_1488971091958_2858"> <br id="yui_3_16_0_ym19_1_1488971091958_2859"> <o:p id="yui_3_16_0_ym19_1_1488971091958_2860"></o:p></div><div style="text-align:justify" id="yui_3_16_0_ym19_1_1488971091958_2861"><span style="font-size: 9pt; line-height: 115%; font-family: Courier;" id="yui_3_16_0_ym19_1_1488971091958_2862"> </span></div><div id="yui_3_16_0_ym19_1_1488971091958_2758"> </div><div style="text-align:justify" dir="ltr" id="yui_3_16_0_ym19_1_1488971091958_2864"><span style="font-size: 14pt; line-height: 115%; font-family: "Times New Roman", serif;" id="yui_3_16_0_ym19_1_1488971091958_2865">Is it necessary to define these Command lines in digitizer for gate simulation?</span><span style="font-size:14.0pt;line-height:115%;font-family:"Times New Roman","serif";mso-ascii-theme-font:major-bidi;mso-hansi-theme-font:major-bidi;mso-bidi-theme-font:major-bidi" id="yui_3_16_0_ym19_1_1488971091958_2866"><o:p id="yui_3_16_0_ym19_1_1488971091958_2867"></o:p></span></div></div></div>_______________________________________________<br>Gate-users mailing list<br><a href="mailto:Gate-users@lists.opengatecollaboration.org">Gate-users@lists.opengatecollaboration.org</a><br>http://lists.opengatecollaboration.org/mailman/listinfo/gate-users</blockquote></div><br></body></html>