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Added comments to the IP6 beam pipe src code for testing the old pull…
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… request status
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@nat93
nat93 committed Sep 11, 2024
1 parent e580c42 commit 0cf1cb3
Showing 1 changed file with 59 additions and 33 deletions.
92 changes: 59 additions & 33 deletions src/IP6BeamPipe.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -81,7 +81,7 @@ static Ref_t create_detector(Detector& det, xml_h e, SensitiveDetector /* sens *
params.set<int>("layer_material_representing_binZ", nBinZ);

// -----------------------------
// IP beampipe
// IP6 beampipe
//
// setup for the central IP beampipe:
//
Expand All @@ -91,67 +91,93 @@ static Ref_t create_detector(Detector& det, xml_h e, SensitiveDetector /* sens *
// /-\ Fake vacuum beampipe (1mm)
// - Vacuum filled inner beampipe
//

//---- ACTS
//-- Downstream
Tube downstream_IP_vacuum_fill(0.0, IP_acts_beampipe_ID / 2.0, downstream_straight_length / 2.0);
Tube downstream_IP_acts_beampipe(IP_acts_beampipe_ID / 2.0, IP_acts_beampipe_OD / 2.0,
downstream_straight_length / 2.0);
Tube downstream_IP_vacuum_padding(IP_acts_beampipe_OD / 2.0, IP_beampipe_ID / 2.0,
downstream_straight_length / 2.0);
Tube downstream_IP_gold(IP_beampipe_ID / 2.0, IP_beampipe_ID / 2.0 + IP_beampipe_gold_thickness,
downstream_straight_length / 2.0);
Tube downstream_IP_tube(IP_beampipe_ID / 2.0 + IP_beampipe_gold_thickness, IP_beampipe_OD / 2.0,
downstream_straight_length / 2.0);

Tube upstream_IP_vacuum_fill(0.0, IP_acts_beampipe_ID / 2.0, upstream_straight_length / 2.0);
Tube upstream_IP_acts_beampipe(IP_acts_beampipe_ID / 2.0, IP_acts_beampipe_OD / 2.0,
upstream_straight_length / 2.0);
Tube upstream_IP_vacuum_padding(IP_acts_beampipe_OD / 2.0, IP_beampipe_ID / 2.0,
upstream_straight_length / 2.0);
Tube upstream_IP_gold(IP_beampipe_ID / 2.0, IP_beampipe_ID / 2.0 + IP_beampipe_gold_thickness,
upstream_straight_length / 2.0);
Tube upstream_IP_tube(IP_beampipe_ID / 2.0 + IP_beampipe_gold_thickness, IP_beampipe_OD / 2.0,
upstream_straight_length / 2.0);

// Create volumes
Volume v_downstream_IP_vacuum_fill("v_downstream_IP_vacuum_fill", downstream_IP_vacuum_fill,
m_Vacuum);
Volume v_downstream_IP_acts_beampipe("v_downstream_IP_acts_beampipe", downstream_IP_acts_beampipe,
m_Vacuum);
Volume v_downstream_IP_vacuum_padding("v_downstream_IP_vacuum_padding",
downstream_IP_vacuum_padding, m_Vacuum);
Volume v_downstream_IP_gold("v_downstream_IP_gold", downstream_IP_gold, m_Au);
Volume v_downstream_IP_tube("v_downstream_IP_tube", downstream_IP_tube, m_Be);

// Placement
assembly.placeVolume(v_downstream_IP_vacuum_fill,
Position(0, 0, downstream_straight_length / 2.0));
central_volume.placeVolume(v_downstream_IP_acts_beampipe,
Position(0, 0, downstream_straight_length / 2.0 - central_offset));
assembly.placeVolume(v_downstream_IP_vacuum_padding,
Position(0, 0, downstream_straight_length / 2.0));

//-- Upstream
Tube upstream_IP_vacuum_fill(0.0, IP_acts_beampipe_ID / 2.0, upstream_straight_length / 2.0);
Tube upstream_IP_acts_beampipe(IP_acts_beampipe_ID / 2.0, IP_acts_beampipe_OD / 2.0,
upstream_straight_length / 2.0);
Tube upstream_IP_vacuum_padding(IP_acts_beampipe_OD / 2.0, IP_beampipe_ID / 2.0,
upstream_straight_length / 2.0);

// Create volumes
Volume v_upstream_IP_vacuum_fill("v_upstream_IP_vacuum_fill", upstream_IP_vacuum_fill, m_Vacuum);
Volume v_upstream_IP_acts_beampipe("v_upstream_IP_acts_beampipe", upstream_IP_acts_beampipe,
m_Vacuum);
Volume v_upstream_IP_vacuum_padding("v_upstream_IP_vacuum_padding", upstream_IP_vacuum_padding,
m_Vacuum);
Volume v_upstream_IP_gold("v_upstream_IP_gold", upstream_IP_gold, m_Au);
Volume v_upstream_IP_tube("v_upstream_IP_tube", upstream_IP_tube, m_Be);

sdet.setAttributes(det, v_upstream_IP_gold, x_det.regionStr(), x_det.limitsStr(), vis_name);
sdet.setAttributes(det, v_upstream_IP_tube, x_det.regionStr(), x_det.limitsStr(), vis_name);
sdet.setAttributes(det, v_downstream_IP_gold, x_det.regionStr(), x_det.limitsStr(), vis_name);
sdet.setAttributes(det, v_downstream_IP_tube, x_det.regionStr(), x_det.limitsStr(), vis_name);

// Placement
assembly.placeVolume(v_upstream_IP_vacuum_fill, Position(0, 0, -upstream_straight_length / 2.0));
central_volume.placeVolume(v_upstream_IP_acts_beampipe,
Position(0, 0, -upstream_straight_length / 2.0 - central_offset));
assembly.placeVolume(v_upstream_IP_vacuum_padding,
Position(0, 0, -upstream_straight_length / 2.0));

// Place the ACTS assembly
auto central_pv = assembly.placeVolume(central_volume, Position(0, 0, +central_offset));
central_det.setPlacement(central_pv);

//---- IP beampipe
//-- Downstream
Tube downstream_IP_gold(IP_beampipe_ID / 2.0, IP_beampipe_ID / 2.0 + IP_beampipe_gold_thickness,
downstream_straight_length / 2.0);
Tube downstream_IP_tube(IP_beampipe_ID / 2.0 + IP_beampipe_gold_thickness, IP_beampipe_OD / 2.0,
downstream_straight_length / 2.0);

// Create volumes
Volume v_downstream_IP_gold("v_downstream_IP_gold", downstream_IP_gold, m_Au);
Volume v_downstream_IP_tube("v_downstream_IP_tube", downstream_IP_tube, m_Be);

// Set attributes
sdet.setAttributes(det, v_upstream_IP_gold, x_det.regionStr(), x_det.limitsStr(), vis_name);
sdet.setAttributes(det, v_upstream_IP_tube, x_det.regionStr(), x_det.limitsStr(), vis_name);

// Placement
assembly.placeVolume(v_upstream_IP_gold, Position(0, 0, -upstream_straight_length / 2.0));
assembly.placeVolume(v_upstream_IP_tube, Position(0, 0, -upstream_straight_length / 2.0));

assembly.placeVolume(v_downstream_IP_vacuum_fill,
Position(0, 0, downstream_straight_length / 2.0));
central_volume.placeVolume(v_downstream_IP_acts_beampipe,
Position(0, 0, downstream_straight_length / 2.0 - central_offset));
assembly.placeVolume(v_downstream_IP_vacuum_padding,
Position(0, 0, downstream_straight_length / 2.0));
//-- Upstream
Tube upstream_IP_gold(IP_beampipe_ID / 2.0, IP_beampipe_ID / 2.0 + IP_beampipe_gold_thickness,
upstream_straight_length / 2.0);
Tube upstream_IP_tube(IP_beampipe_ID / 2.0 + IP_beampipe_gold_thickness, IP_beampipe_OD / 2.0,
upstream_straight_length / 2.0);

// Create volumes
Volume v_upstream_IP_gold("v_upstream_IP_gold", upstream_IP_gold, m_Au);
Volume v_upstream_IP_tube("v_upstream_IP_tube", upstream_IP_tube, m_Be);

// Set attributes
sdet.setAttributes(det, v_downstream_IP_gold, x_det.regionStr(), x_det.limitsStr(), vis_name);
sdet.setAttributes(det, v_downstream_IP_tube, x_det.regionStr(), x_det.limitsStr(), vis_name);

// Placement
assembly.placeVolume(v_downstream_IP_gold, Position(0, 0, downstream_straight_length / 2.0));
assembly.placeVolume(v_downstream_IP_tube, Position(0, 0, downstream_straight_length / 2.0));

auto central_pv = assembly.placeVolume(central_volume, Position(0, 0, +central_offset));
central_det.setPlacement(central_pv);

//---------------------------------------------------------------------------------
// Helper function to create polycone pairs (matter and vacuum have separate sizes)
// ................ ... -> air
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