<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div>Dear Gate users,<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>I come back to you because I feel stuck on this phantom problem.<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>I use a mouse phantom and I was able to run one simulation properly but since then I'm not able to run any other simulation.<br data-mce-bogus="1"></div><div>I get the following problem :<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><blockquote><div>-------- WWWW ------- G4Exception-START -------- WWWW -------<br>*** G4Exception : DET1010<br> issued by : G4SDStructure::AddNewDetector()<br>phantom had already been stored in /gate/. Object pointer is overwritten.<br>It's users' responsibility to delete the old sensitive detector object.<br>*** This is just a warning message. ***<br>-------- WWWW -------- G4Exception-END --------- WWWW -------<br data-mce-bogus="1"></div></blockquote><div>If someone has an idea, it would help me a lot!<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>Many thanks,<br data-mce-bogus="1"></div><div>Regards,<br data-mce-bogus="1"></div><div>Sarah Blind<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>Here is my GATE world.mac file :</div><blockquote><div><br data-mce-bogus="1"></div><div>/gate/world/geometry/setXLength 1 m<br>/gate/world/geometry/setYLength 1 m<br>/gate/world/geometry/setZLength 1 m<br>/gate/world/setMaterial Air<br><br>/gate/HounsfieldMaterialGenerator/SetMaterialTable ../data/Schneider2000MaterialsTable.txt<br>/gate/HounsfieldMaterialGenerator/SetDensityTable ../data/Schneider2000DensitiesTable.txt<br>/gate/HounsfieldMaterialGenerator/SetDensityTolerance 0.1 g/cm3<br>/gate/HounsfieldMaterialGenerator/SetOutputMaterialDatabaseFilename ../data/mouse-HUmaterials.db<br>/gate/HounsfieldMaterialGenerator/SetOutputHUMaterialFilename ../data/mouse-HU2mat.txt<br>/gate/HounsfieldMaterialGenerator/Generate<br><br>/gate/world/daughters/name mouse<br><br>/gate/world/daughters/insert ImageNestedParametrisedVolume<br><br>/gate/geometry/setMaterialDatabase ../data/mouse-HUmaterials.db<br>/gate/mouse/geometry/setHUToMaterialFile ../data/mouse-HU2mat.txt<br>/gate/mouse/geometry/setImage ../data/mouse.hdr<br><br>/gate/mouse/attachPhantomSD<br><br>/gate/mouse/placement/setTranslation 0 -25 0 cm<br>/gate/mouse/placement/setRotationAxis 1 0 0<br>/gate/mouse/placement/setRotationAngle 90 deg<br data-mce-bogus="1"></div></blockquote><div><br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div></div></body></html>