<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_ym19_1_1464345429367_2656">Hi,</div><div id="yui_3_16_0_ym19_1_1464345429367_2656"><br id="yui_3_16_0_ym19_1_1464345429367_2768"></div><div id="yui_3_16_0_ym19_1_1464345429367_2656">I have few questions about modifying Root output from GATE simulations.</div><div id="yui_3_16_0_ym19_1_1464345429367_2656"><br></div><div id="yui_3_16_0_ym19_1_1464345429367_2656" dir="ltr">1. Is this possible to disable some branches in root file? For example I don't need branches called baseID or levelXID. What part of the code should I modify to disable them? </div><div id="yui_3_16_0_ym19_1_1464345429367_2656" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1464345429367_2656" dir="ltr">2. On the other side, I would like to save to file information about components of four-momentum of gamma quanta in the moment of interaction with matter (for example Compton scattering). Is this possible? </div><div id="yui_3_16_0_ym19_1_1464345429367_2656" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1464345429367_2656" dir="ltr">3. Is this possible to simulate and save optical photons only when there was a coincidence?</div><div id="yui_3_16_0_ym19_1_1464345429367_2656" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1464345429367_2656" dir="ltr">Best regards,</div><div id="yui_3_16_0_ym19_1_1464345429367_2656" dir="ltr">Paweł Kowalski</div></div></body></html>