Dear Gate Users, Following the message concerning an issue with vGate 2.1 (see below), we have added a fix in vgate and Gate v6.2 tarball. New versions of the virtual gate and Gatev6.2 tarball are now available at: <a href="http://www.opengatecollaboration.org/releasedownload" target="_blank">http://www.opengatecollaboration.org/releasedownload</a> <a href="http://www.opengatecollaboration.org/vGATEreleasedownload" target="_blank">http://www.opengatecollaboration.org/vGATEreleasedownload</a> The bug fix concerns the GateToProjectionSet class. The projection functionality is now triggered by the system used in the simulation: SPECT or Optical. We took this opportunity to include the latest modifications of Gate in the new version of the tarball. Concerning the optical imaging we did some small changes in the example_OPTICAL macros and added a new command that allows the user to fill or not the Optical data tree: /gate/output/root/setRootOpticalFlag 0 (or 1) In case you do not want to download the entire tarball and want to apply the fix related to the projection issue, you can simply download the attached file in your /digits_hits/src/ directory and re-compile the code. If you encounter an issue with this procedure, let me know. <div> Regards, -- Dr. Vesna Cuplov CEA - Service Hospitalier Frederic Joliot Orsay, France<a href="http://v-cuplov.net/" target="_blank"></a> ************************************************************************************ I have the following error when trying to run benchSPECT.mac in the vGate 2.1 -------- EEEE ------- G4Exception-START -------- EEEE ------- *** G4Exception : SetEnableToProjectionSetAndInt<div>erfile issued by : GateToProjectionSet::SetEnableToProjectionSetAndInterfile No GateToOpticalRaw module has been constructed, so no output can be possible with GateToProjectionSet ************************************************************************************</div></div>