<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">Hi all,</div><div class=""><br class=""></div><div class="">The CLAS12 hit process routines and banks are changing with the calibration and reconstruction challenges. </div><div class="">In order to keep up and keep versions in sync with reconstruction you can now use dedicated clas12 tags.</div><div class=""><br class=""></div><div class=""><div class="">You do not need the production environment in /site anymore. You can use this instead:</div></div><div class=""><br class=""></div><div class="">source /group/clas12/gemc/environment.csh</div><div class=""><br class=""></div><div class="">Please follow the instructions below to load specific tags. </div><div class=""><br class=""></div><div class=""><a href="https://github.com/gemc/clas12Tags" class="">https://github.com/gemc/clas12Tags</a></div><div class=""><br class=""></div><div class="">Latest working tag was 3a.0.1. The very latest is 3a.0.2 with the new DC time-to-distance function.</div><div class=""><br class=""></div><div class="">When you run gemc you should see the tag version in the screen long.</div><div class=""><br class=""></div><div class="">gemc will continue to evolve following its <a href="https://gemc.jlab.org/gemc/html/documentation/releases/roadmap.html" class="">roadmap</a>, but from now on we can rely on these clas12 tags to have a consistent numbering scheme for simulation and reconstruction.</div><div class=""><br class=""></div><div class="">Yours,</div><div class="">Mauri</div><div class=""><br class=""></div></body></html>