<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=Windows-1252"> </head> <body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"> <div><span style="orphans: 2; widows: 2;"><br> </span></div> <div><span style="orphans: 2; widows: 2;">Hello Gate-Users,</span></div> <div><span style="orphans: 2; widows: 2;"><br> </span></div> <div><span style="orphans: 2; widows: 2;">at least since the GATE version 6.2 there is the option of a </span>parametrised collimator setup,</div> <div>which allows to define the collimator fan beam and parallel beam geometries.</div> <div>I wanted to compare both collimations to eventually include them as a new example</div> <div>within the EduGATE-project.</div> <div><span style="orphans: 2; widows: 2;">However, I experience a strange problem:</span></div> <div><span style="orphans: 2; widows: 2;"><br> </span></div> <div><span style="orphans: 2; widows: 2;"><b>fan beam:</b></span></div> <div><span style="font-family: Menlo; font-size: 11px;"><a href="http://GateVVolume.cc">GateVVolume.cc</a> (l.189): The material of the volume hole is not defined.</span></div> <div><span style="font-family: Menlo; font-size: 11px;"><br> </span></div> <div><span style="font-family: Menlo; font-size: 11px;"><b>parallel beam:</b></span></div> <div><span style="font-family: Menlo; font-size: 11px;"><a href="http://GateVVolume.cc">GateVVolume.cc</a> (l.189): The material of the volume side hole 1 is not defined.</span></div> <div><span style="orphans: 2; widows: 2;"><br> </span></div> <div><span style="orphans: 2; widows: 2;">Obviously, the collimator is considered as a bloc of lead with hole “drilled” into and it seems,</span></div> <div><span style="orphans: 2; widows: 2;">that GATE does not know which material the holes a remade of. And I simply don’t know how</span></div> <div><span style="orphans: 2; widows: 2;">to specify the material of the <b>holes</b>.</span></div> <div><span style="orphans: 2; widows: 2;">Defining the collimator in the “classic” way was to specify <b>lead</b> for the collimator volume and</span></div> <div><span style="orphans: 2; widows: 2;"><b>air</b> for the holes being defined as daughters of the collimator volume.</span></div> <div><span style="orphans: 2; widows: 2;"><br> </span></div> <div><span style="orphans: 2; widows: 2;">There are also subtle differences in defining the material:</span></div> <div><span style="orphans: 2; widows: 2;"> </span>fan beam wants: /gate/fanbeam/setMaterial Lead</div> <div>parallel beam wants: /gate/colli/setMaterialName Lead</div> <div><span style="orphans: 2; widows: 2;"><br> </span></div> <div><span style="orphans: 2; widows: 2;">Did anyone ever </span>succeed to work with the with parametrised collimator setup for either type</div> <div>or is there any example available??</div> <div><span style="orphans: 2; widows: 2;"><br> </span></div> <div><span style="orphans: 2; widows: 2;">Many thanks for any help,</span></div> <div><span style="orphans: 2; widows: 2;"><br> </span></div> <div><span style="orphans: 2; widows: 2;">Uwe Pietrzyk</span></div> <div><span style="orphans: 2; widows: 2;"><br> </span></div> <div style="orphans: 2; widows: 2;">——————————————————</div> <div><span style="orphans: 2; widows: 2;"><br> </span></div> <div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[G4] </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[G4] *************************************************************</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[G4] Geant4 version Name: geant4-10-01 (5-December-2014)</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[G4] Copyright : Geant4 Collaboration</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[G4] Reference : NIM A 506 (2003), 250-303</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[G4] WWW : <a href="http://cern.ch/geant4">http://cern.ch/geant4</a></div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[G4] *************************************************************</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[G4] </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] Initialization of geometry</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] Initialization of physics</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] Initialization of actors</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] **********************************************************************</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] GATE version name: gate_v7.1 </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] Copyright : OpenGATE Collaboration </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] Reference : Phys. Med. Biol. 49 (2004) 4543-4561 </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] Reference : Phys. Med. Biol. 56 (2011) 881-901 </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] WWW : <a href="http://www.opengatecollaboration.org">http://www.opengatecollaboration.org</a> </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] **********************************************************************</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] You are using Geant4 version 10.1.0</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] Starting macro Gamma_Camera.mac</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> GateDetectorConstruction::insertARFSD entered </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> created a ARF Sensivitive Detector </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> created command /gate/systems/SPECThead/arf/setARFStage</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> Constructor GateParameterisedCollimator - begin fan beam <——————————— start fan beam</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> m_InnerRadius = 0.5</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">ok</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Nx 271</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Ny 146</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Dy 1.5</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Dx 1.44338</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">OffsetX -194.856</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">OffsetY -109.25</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> Constructor GateParameterisedCollimator - end </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">ok</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Nx 251</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Ny 146</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Dy 1.5</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Dx 1.44338</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">OffsetX -180.422</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">OffsetY -109.25</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">ok</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Nx 251</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Ny 346</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Dy 1.5</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Dx 1.44338</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">OffsetX -180.422</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">OffsetY -259.25</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">ok</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Nx 251</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Ny 346</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Dy 1.5</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Dx 1.44338</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">OffsetX -180.422</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">OffsetY -259.25</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">ok</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Nx 249</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Ny 346</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Dy 1.5</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Dx 1.44338</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">OffsetX -178.979</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">OffsetY -259.25</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">ok</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Nx 244</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Ny 346</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Dy 1.5</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Dx 1.44338</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">OffsetX -175.37</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">OffsetY -259.25</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">ok</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Nx 64</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Ny 61</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Dy 8.5</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Dx 5.48483</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">OffsetX -172.772</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">OffsetY -259</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">ok</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Nx 10</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Ny 20</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Dy 25</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Dx 34.0637</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">OffsetX -153.286</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">OffsetY -241.5</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo; min-height: 13px;"> <br> </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">GATE object: 'systems/SPECThead'</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Components: </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo; min-height: 13px;"> <br> </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">GATE object: 'systems/SPECThead/base'</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Attached to volume: SPECThead</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Nb of children: 1</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo; min-height: 13px;"> <br> </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"><span class="Apple-tab-span" style="white-space:pre"></span>GATE object: 'systems/SPECThead/crystal'</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"><span class="Apple-tab-span" style="white-space:pre"></span>Attached to volume: crystal</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"><span class="Apple-tab-span" style="white-space:pre"></span>Nb of children: 1</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo; min-height: 13px;"> <br> </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"><span class="Apple-tab-span" style="white-space:pre"></span>GATE object: 'systems/SPECThead/pixel'</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"><span class="Apple-tab-span" style="white-space:pre"></span>Attached to volume: ---</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Physic-0] The following Geant4's physic-list is enabled :emstandard</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] Initialization of geometry</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"><a href="http://GateVVolume.cc">GateVVolume.cc</a> (l.189): The material of the volume hole is not defined. <—————— ????????</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"><span class="Apple-tab-span" style="white-space:pre"></span>Nb of children: 0</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">root [0] </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Processing Gamma_Camera.C...</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">root [1] medmac23 39 --> </div> </div> <div><br> </div> <div>This is the relevant macro: -------------------------</div> <div><br> </div> <div> <div>#</div> <div>#<span class="Apple-tab-span" style="white-space:pre"> </span>C A M E R A</div> <div>#</div> <div><br> </div> <div>#<span class="Apple-tab-span" style="white-space:pre"> </span>Type: SPECThead</div> <div><br> </div> <div><br> </div> <div>/gate/world/daughters/name <span class="Apple-tab-span" style="white-space:pre"> </span>SPECThead</div> <div>/gate/world/daughters/insert <span class="Apple-tab-span" style="white-space:pre"> </span>box</div> <div>/gate/SPECThead/geometry/setXLength <span class="Apple-tab-span" style="white-space:pre"> </span>15. cm</div> <div>/gate/SPECThead/geometry/setYLength <span class="Apple-tab-span" style="white-space:pre"> </span>40. cm</div> <div>/gate/SPECThead/geometry/setZLength <span class="Apple-tab-span" style="white-space:pre"> </span>54. cm</div> <div>/gate/SPECThead/placement/setTranslation <span class="Apple-tab-span" style="white-space:pre"> </span>{x_placement} 0. 0. cm</div> <div>/gate/SPECThead/setMaterial <span class="Apple-tab-span" style="white-space:pre"> </span>Air</div> <div>/gate/SPECThead/vis/setColor <span class="Apple-tab-span" style="white-space:pre"> </span>white</div> <div>/gate/SPECThead/vis/forceWireframe</div> <div><br> </div> <div># -------------</div> <div># FanBeam COLLIMATOR</div> <div># Create the collimator volume</div> <div><br> </div> <div>/gate/SPECThead/daughters/name <span class="Apple-tab-span" style="white-space:pre"> </span>fanbeam</div> <div>/gate/SPECThead/daughters/insert <span class="Apple-tab-span" style="white-space:pre"> </span>collimator</div> <div><br> </div> <div>#set the material for the collimator</div> <div>/gate/fanbeam/setMaterial Lead</div> <div>#/gate/fanbeam/setMaterial Air</div> <div><br> </div> <div>#/gate/fanbeam/setMaterialName Lead</div> <div>#/gate/fanbeam/setMaterialName Air</div> <div><br> </div> <div>#define the X and Y size of the collimator</div> <div>/gate/fanbeam/geometry/setDimensionX 38 cm</div> <div>/gate/fanbeam/geometry/setDimensionY 52 cm</div> <div><br> </div> <div>#specify the focal length</div> <div>/gate/fanbeam/geometry/setFocalDistanceY 0.0 cm</div> <div>/gate/fanbeam/geometry/setFocalDistanceX 35.0 cm</div> <div><br> </div> <div>#specify the thickness of the collimator</div> <div>/gate/fanbeam/geometry/setHeight 5.8 cm</div> <div><br> </div> <div>#set the septal thickness to the required distance between the holes</div> <div>/gate/fanbeam/geometry/setSeptalThickness 0.8 cm</div> <div><br> </div> <div>#specify the hole radius</div> <div>/gate/fanbeam/geometry/setInnerRadius 1.70 cm</div> <div>/gate/fanbeam/placement/setRotationAxis 0 0 1</div> <div>/gate/fanbeam/placement/setRotationAngle -90 deg</div> <div><br> </div> <div>/gate/fanbeam/vis/setVisible<span class="Apple-tab-span" style="white-space:pre"> </span>1</div> <div>/gate/fanbeam/vis/setColor red</div> <div>#/gate/fanbeam/vis/forceWireframe</div> <div>/gate/fanbeam/vis/forceSolid</div> <div><br> </div> <div>/gate/fanbeam/attachPhantomSD</div> <div><br> </div> <div># -------------</div> <div># CRYSTAL</div> <div># Create the crystal volume</div> <div><br> </div> <div>/gate/SPECThead/daughters/name <span class="Apple-tab-span" style="white-space:pre"> </span>crystal</div> <div>/gate/SPECThead/daughters/insert<span class="Apple-tab-span" style="white-space:pre"> </span>box</div> <div>/gate/crystal/geometry/setXLength <span class="Apple-tab-span" style="white-space:pre"> </span>1. cm</div> <div>/gate/crystal/geometry/setYLength <span class="Apple-tab-span" style="white-space:pre"> </span>19. cm</div> <div>/gate/crystal/geometry/setZLength <span class="Apple-tab-span" style="white-space:pre"> </span>28. cm</div> <div>/gate/crystal/placement/setTranslation <span class="Apple-tab-span" style="white-space:pre"> </span>0. 0. 0. cm</div> <div>/gate/crystal/setMaterial <span class="Apple-tab-span" style="white-space:pre"> </span>{CrystalMaterial}</div> <div>/gate/crystal/vis/setColor <span class="Apple-tab-span" style="white-space:pre"> </span>yellow</div> <div>#/gate/crystal/vis/forceWireframe</div> <div>/gate/crystal/vis/forceSolid</div> <div><br> </div> <div>/gate/systems/SPECThead/crystal/attach <span class="Apple-tab-span" style="white-space:pre"> </span>crystal</div> <div>/gate/crystal/attachCrystalSD</div> <div><br> </div> <div>/gate/SPECThead/attachPhantomSD</div> <div><br> </div> <div>/gate/systems/SPECThead/describe</div> </div> <div><br> </div> <div><br> </div> <div><br> </div> <div><br> </div> <div><span style="orphans: 2; widows: 2;">---------------------#### the following part is for parallel hole collimator!!!!!!!! <</span>----------------------------------------</div> <div><span style="orphans: 2; widows: 2;"><br> </span></div> <div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[G4] </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[G4] *************************************************************</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[G4] Geant4 version Name: geant4-10-01 (5-December-2014)</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[G4] Copyright : Geant4 Collaboration</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[G4] Reference : NIM A 506 (2003), 250-303</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[G4] WWW : <a href="http://cern.ch/geant4">http://cern.ch/geant4</a></div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[G4] *************************************************************</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[G4] </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] Initialization of geometry</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] Initialization of physics</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] Initialization of actors</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] **********************************************************************</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] GATE version name: gate_v7.1 </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] Copyright : OpenGATE Collaboration </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] Reference : Phys. Med. Biol. 49 (2004) 4543-4561 </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] Reference : Phys. Med. Biol. 56 (2011) 881-901 </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] WWW : <a href="http://www.opengatecollaboration.org">http://www.opengatecollaboration.org</a> </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] **********************************************************************</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] You are using Geant4 version 10.1.0</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] Starting macro Gamma_Camera.mac</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">/tracking/storeTrajectory 1</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Attributes available for modeling and filtering with</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> "/vis/modeling/trajectories/create/drawByAttribute" and</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> "/vis/filtering/trajectories/create/attributeFilter" commands:</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">G4TrajectoriesModel:</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> Event ID (EventID): G4int</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> Run ID (RunID): G4int</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">G4Trajectory:</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> Charge (Ch): unit: e+ (G4double)</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> Track ID (ID): G4int</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> Initial kinetic energy (IKE): G4BestUnit (G4double)</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> Initial momentum magnitude (IMag): G4BestUnit (G4double)</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> Initial momentum (IMom): G4BestUnit (G4ThreeVector)</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> No. of points (NTP): G4int</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> PDG Encoding (PDG): G4int</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> Parent ID (PID): G4int</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> Particle Name (PN): G4String</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">G4TrajectoryPoint:</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> Position (Pos): G4BestUnit (G4ThreeVector)</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">WARNING: Trajectory storing has been requested. This action may be</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> reversed with "/tracking/storeTrajectory 0".</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">WARNING: The vis manager will keep up to 20 events.</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> This may use a lot of memory.</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> It may be changed with, e.g., "/vis/scene/endOfEventAction accumulate 10".</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> GateDetectorConstruction::insertARFSD entered </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> created a ARF Sensivitive Detector </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> created command /gate/systems/SPECThead/arf/setARFStage</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"> GetDirectoryName()+ setHeight = /gate/central hole/geometry/setHeight</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo; min-height: 13px;"> <br> </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">GATE object: 'systems/SPECThead'</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Components: </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo; min-height: 13px;"> <br> </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">GATE object: 'systems/SPECThead/base'</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Attached to volume: SPECThead</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Nb of children: 1</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo; min-height: 13px;"> <br> </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"><span class="Apple-tab-span" style="white-space:pre"></span>GATE object: 'systems/SPECThead/crystal'</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"><span class="Apple-tab-span" style="white-space:pre"></span>Attached to volume: crystal</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"><span class="Apple-tab-span" style="white-space:pre"></span>Nb of children: 1</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo; min-height: 13px;"> <br> </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"><span class="Apple-tab-span" style="white-space:pre"></span>GATE object: 'systems/SPECThead/pixel'</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"><span class="Apple-tab-span" style="white-space:pre"></span>Attached to volume: ---</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Physic-0] The following Geant4's physic-list is enabled :emstandard</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">[Core-0] Initialization of geometry</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"><a href="http://GateVVolume.cc">GateVVolume.cc</a> (l.189): The material of the volume side hole 1 is not defined. <---------------------</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;"><span class="Apple-tab-span" style="white-space:pre"></span>Nb of children: 0</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">root [0] </div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">Processing Gamma_Camera.C...</div> <div style="margin: 0px; font-size: 11px; font-family: Menlo;">root [1] medmac23 40 --> </div> </div> <div><br> </div> <div>This is the relevant macro: -------------------------</div> <div><span style="orphans: 2; widows: 2;"><br> </span></div> <div><span style="orphans: 2; widows: 2;"> <div>#</div> <div>#<span class="Apple-tab-span" style="white-space:pre"> </span>C A M E R A</div> <div>#</div> <div><br> </div> <div>#<span class="Apple-tab-span" style="white-space:pre"> </span>Type: SPECThead</div> <div><br> </div> <div><br> </div> <div>/gate/world/daughters/name <span class="Apple-tab-span" style="white-space:pre"> </span>SPECThead</div> <div>/gate/world/daughters/insert <span class="Apple-tab-span" style="white-space:pre"> </span>box</div> <div>/gate/SPECThead/geometry/setXLength <span class="Apple-tab-span" style="white-space:pre"> </span>15. cm</div> <div>/gate/SPECThead/geometry/setYLength <span class="Apple-tab-span" style="white-space:pre"> </span>40. cm</div> <div>/gate/SPECThead/geometry/setZLength <span class="Apple-tab-span" style="white-space:pre"> </span>54. cm</div> <div>/gate/SPECThead/placement/setTranslation <span class="Apple-tab-span" style="white-space:pre"> </span>{x_placement} 0. 0. cm</div> <div>/gate/SPECThead/setMaterial <span class="Apple-tab-span" style="white-space:pre"> </span>Air</div> <div>/gate/SPECThead/vis/setColor <span class="Apple-tab-span" style="white-space:pre"> </span>white</div> <div>/gate/SPECThead/vis/forceWireframe</div> <div><br> </div> <div>#</div> <div># -------------</div> <div># ParallelBeam COLLIMATOR</div> <div># Create the collimator volume</div> <div><br> </div> <div>/gate/SPECThead/daughters/name <span class="Apple-tab-span" style="white-space:pre"> </span>colli</div> <div><br> </div> <div>#specify that the parallel beam collimator setup must be used</div> <div>/gate/SPECThead/daughters/insert parallelbeam</div> <div><br> </div> <div>#set the collimator material</div> <div>/gate/colli/setMaterialName <span class="Apple-tab-span" style="white-space:pre"> </span>Lead</div> <div><br> </div> <div>#set the collimator dimensions</div> <div>/gate/colli/geometry/setDimensionX <span class="Apple-tab-span" style="white-space:pre"> </span>38 cm</div> <div>/gate/colli/geometry/setDimensionY <span class="Apple-tab-span" style="white-space:pre"> </span>52 cm</div> <div><br> </div> <div>#set the thickness of the collimator</div> <div>/gate/colli/geometry/setHeight <span class="Apple-tab-span" style="white-space:pre"> </span>3 cm</div> <div><br> </div> <div>#specify the hole radius</div> <div>/gate/colli/geometry/setInnerRadius <span class="Apple-tab-span" style="white-space:pre"> </span>0.5 cm</div> <div><br> </div> <div>#set the septal thickness to the required </div> <div>#distance between the holes</div> <div>/gate/colli/geometry/setSeptalThickness 0.2 cm</div> <div>/gate/colli/placement/alignToX</div> <div>/gate/colli/placement/setRotationAxis <span class="Apple-tab-span" style="white-space:pre"> </span>0 0 1</div> <div>/gate/colli/placement/setRotationAngle <span class="Apple-tab-span" style="white-space:pre"> </span>-90 deg</div> <div><br> </div> <div>/gate/colli/placement/setTranslation <span class="Apple-tab-span" style="white-space:pre"> </span>-2. 0. 0. cm</div> <div><br> </div> <div><br> </div> <div>/gate/colli/vis/setVisible<span class="Apple-tab-span" style="white-space:pre"> </span>1</div> <div>/gate/colli/vis/setColor <span class="Apple-tab-span" style="white-space:pre"> </span>red</div> <div>#/gate/colli/vis/forceWireframe</div> <div>/gate/colli/vis/forceSolid</div> <div><br> </div> <div>/gate/colli/attachPhantomSD</div> <div><br> </div> <div># -------------</div> <div># CRYSTAL</div> <div># Create the crystal volume</div> <div><br> </div> <div>/gate/SPECThead/daughters/name <span class="Apple-tab-span" style="white-space:pre"> </span>crystal</div> <div>/gate/SPECThead/daughters/insert<span class="Apple-tab-span" style="white-space:pre"> </span>box</div> <div>/gate/crystal/geometry/setXLength <span class="Apple-tab-span" style="white-space:pre"> </span>1. cm</div> <div>/gate/crystal/geometry/setYLength <span class="Apple-tab-span" style="white-space:pre"> </span>19. cm</div> <div>/gate/crystal/geometry/setZLength <span class="Apple-tab-span" style="white-space:pre"> </span>28. cm</div> <div>/gate/crystal/placement/setTranslation <span class="Apple-tab-span" style="white-space:pre"> </span>0. 0. 0. cm</div> <div>/gate/crystal/setMaterial <span class="Apple-tab-span" style="white-space:pre"> </span>{CrystalMaterial}</div> <div>/gate/crystal/vis/setColor <span class="Apple-tab-span" style="white-space:pre"> </span>yellow</div> <div>#/gate/crystal/vis/forceWireframe</div> <div>/gate/crystal/vis/forceSolid</div> <div><br> </div> <div>/gate/systems/SPECThead/crystal/attach <span class="Apple-tab-span" style="white-space:pre"> </span>crystal</div> <div>/gate/crystal/attachCrystalSD</div> <div><br> </div> <div>/gate/SPECThead/attachPhantomSD</div> <div><br> </div> <div>/gate/systems/SPECThead/describe</div> <div><br> </div> </span></div> <div><span style="orphans: 2; widows: 2;"><br> </span></div> <div><span style="orphans: 2; widows: 2;">/----------------------------------------------------------------------</span></div> <div apple-content-edited="true"> <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> Fachbereich C - Physik / 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@physik.uni-wuppertal.de</a><br> <a href="http://www.medizinphysik.uni-wuppertal.de/">http://www.medizinphysik.uni-wuppertal.de</a><br> ----------------------------------------------------------------------/</div> </div> <br> <br> <font face="Arial" color="Black" size="1"><br> ------------------------------------------------------------------------------------------------<br> 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