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Commit 15115f46 authored by Chao Peng's avatar Chao Peng
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implement Shashlik Calorimeter

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athena.xml
+ 0
− 6
View file @ 15115f46
......@@ -108,8 +108,6 @@
</display>
<comment> Include the IP components first </comment>
<include ref="ip6/forward_ion_beamline.xml"/>
<include ref="ip6/beampipe.xml"/>
<detectors>
<detector id="VertexBarrelSubAssembly_ID"
......@@ -203,10 +201,6 @@
<include ref="compact/forward_trd.xml"/>
<include ref="compact/gaseous_rich.xml"/>
<include ref="ip6/B0_tracker.xml"/>
<include ref="ip6/far_forward_offM_tracker.xml"/>
<include ref="ip6/far_forward_romanpots.xml"/>
<include ref="ip6/far_forward_detectors.xml"/>
<!--
<include ref="compact/mm_tracker_barrel.xml"/>
......
compact/ci_ecal.xml 0 → 100644
+ 76
− 0
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<lccdd>
<define>
<constant name="EcalEndcapP_rmax" value="Solenoid_rmax "/>
</define>
<limits>
</limits>
<regions>
</regions>
<!-- Common Generic visualization attributes -->
<comment>Common Generic visualization attributes</comment>
<display>
</display>
<detectors>
<comment>
------------------------------------------
Forward (Positive Z) Endcap EM Calorimeter
------------------------------------------
A layered EM calorimeter with tungsten and silicon (or scintillator) strips
</comment>
<detector id="ECalEndcapP_ID"
name="EcalEndcapP"
reflect="false"
type="refdet_PolyhedraEndcapCalorimeter2"
readout="EcalEndcapPHits"
vis="EcalEndcapVis"
calorimeterType="EM_ENDCAP" >
<position x="0" y="0" z="-0"/>
<dimensions
numsides="CaloSides"
zmin="EcalEndcapP_zmin"
rmin="EcalEndcapP_rmin"
rmax="EcalEndcapP_rmax " />
<layer repeat="EcalEndcapPLayer1_NRepeat">
<slice material="Silicon" thickness="EcalSiliconThickness" sensitive="yes" limits="cal_limits"/>
<slice material="Copper" thickness="EcalCopperThickness"/>
<slice material="Kapton" thickness="EcalKaptonThickness"/>
<slice material="Air" thickness="EcalAir1Thickness"/>
</layer>
<layer repeat="EcalEndcapPLayer2_NRepeat">
<slice material="TungstenDens24" thickness="EcalThinTungstenThickness"/>
<slice material="Air" thickness="EcalAir2Thickness"/>
<slice material="Silicon" thickness="EcalSiliconThickness" sensitive="yes" limits="cal_limits"/>
<slice material="Copper" thickness="EcalCopperThickness"/>
<slice material="Kapton" thickness="EcalKaptonThickness"/>
<slice material="Air" thickness="EcalAir1Thickness"/>
</layer>
<layer repeat="EcalEndcapPLayer3_NRepeat">
<slice material="TungstenDens24" thickness="EcalThickTungstenThickness"/>
<slice material="Air" thickness="EcalAir2Thickness"/>
<slice material="Silicon" thickness="EcalSiliconThickness" sensitive="yes" limits="cal_limits"/>
<slice material="Copper" thickness="EcalCopperThickness"/>
<slice material="Kapton" thickness="EcalKaptonThickness"/>
<slice material="Air" thickness="EcalAir1Thickness"/>
</layer>
</detector>
</detectors>
<!-- Definition of the readout segmentation/definition -->
<readouts>
<readout name="EcalEndcapPHits">
<segmentation type="CartesianGridXY" grid_size_x="3.5 * mm" grid_size_y="3.5 * mm"/>
<id>system:8,barrel:3,module:4,layer:6,slice:5,x:32:-16,y:-16</id>
</readout>
</readouts>
<plugins>
</plugins>
</lccdd>
compact/ci_ecal_shashlik.xml 0 → 100644
+ 76
− 0
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<lccdd>
<define>
<constant name="EcalEndcapP_rmax" value="Solenoid_rmax "/>
</define>
<limits>
</limits>
<regions>
</regions>
<!-- Common Generic visualization attributes -->
<comment>Common Generic visualization attributes</comment>
<display>
</display>
<detectors>
<comment>
------------------------------------------
Forward (Positive Z) Endcap EM Calorimeter
------------------------------------------
An EM calorimeter with shashlik hexagon modules
</comment>
<detector id="ECalEndcapP_ID"
name="EcalEndcapP"
type="ShashlikCalorimeter"
readout="EcalEndcapPHits">
<position x="0" y="0" z="EcalEndcapP_zmin"/>
<placements>
<disk rmin="EcalEndcapP_rmin" rmax = "EcalEndcapP_rmax" sector="1">
<wrapper thickness="2*mm" material="Epoxy" vis="WhiteVis"/>
<module shape="square" side_length="50*mm" vis="EcalEndcapVis">
<layer repeat="EcalEndcapPLayer1_NRepeat" vis="EcalEndcapVis">
<slice material="Silicon" thickness="EcalSiliconThickness" sensitive="yes" limits="cal_limits"/>
<slice material="Copper" thickness="EcalCopperThickness"/>
<slice material="Kapton" thickness="EcalKaptonThickness"/>
<slice material="Air" thickness="EcalAir1Thickness"/>
</layer>
<layer repeat="EcalEndcapPLayer2_NRepeat">
<slice material="TungstenDens24" thickness="EcalThinTungstenThickness"/>
<slice material="Air" thickness="EcalAir2Thickness"/>
<slice material="Silicon" thickness="EcalSiliconThickness" sensitive="yes" limits="cal_limits"/>
<slice material="Copper" thickness="EcalCopperThickness"/>
<slice material="Kapton" thickness="EcalKaptonThickness"/>
<slice material="Air" thickness="EcalAir1Thickness"/>
</layer>
<layer repeat="EcalEndcapPLayer3_NRepeat">
<slice material="TungstenDens24" thickness="EcalThickTungstenThickness"/>
<slice material="Air" thickness="EcalAir2Thickness"/>
<slice material="Silicon" thickness="EcalSiliconThickness" sensitive="yes" limits="cal_limits"/>
<slice material="Copper" thickness="EcalCopperThickness"/>
<slice material="Kapton" thickness="EcalKaptonThickness"/>
<slice material="Air" thickness="EcalAir1Thickness"/>
</layer>
</module>
</disk>
</placements>
</detector>
</detectors>
<!-- Definition of the readout segmentation/definition -->
<readouts>
<readout name="EcalEndcapPHits">
<segmentation type="NoSegmentation"/>
<id>system:8,sector:4,module:24,layer:8,slice:8</id>
</readout>
</readouts>
<plugins>
</plugins>
</lccdd>
compact/ecal.xml
+ 6
− 78
View file @ 15115f46
<lccdd>
<define>
<constant name="EcalEndcapP_rmax" value="Solenoid_rmax "/>
</define>
<limits>
</limits>
<regions>
</regions>
<!-- Common Generic visualization attributes -->
<comment>Common Generic visualization attributes</comment>
<display>
</display>
<comment>barrel ecal</comment>
<!-- <include ref="ecal_barrel.xml"/> -->
<include ref="ecal_barrel_hybrid.xml"/>
<comment>electron endcap ecal</comment>
<!--<include ref="ce_ecal.xml"/>-->
<include ref="ce_ecal_crystal_glass.xml"/>
<detectors>
<comment>
------------------------------------------
Forward (Positive Z) Endcap EM Calorimeter
------------------------------------------
A layered EM calorimeter with tungsten and silicon (or scintillator) strips
</comment>
<detector id="ECalEndcapP_ID"
name="EcalEndcapP"
reflect="false"
type="refdet_PolyhedraEndcapCalorimeter2"
readout="EcalEndcapPHits"
vis="EcalEndcapVis"
calorimeterType="EM_ENDCAP" >
<position x="0" y="0" z="-0"/>
<dimensions
numsides="CaloSides"
zmin="EcalEndcapP_zmin"
rmin="EcalEndcapP_rmin"
rmax="EcalEndcapP_rmax " />
<layer repeat="EcalEndcapPLayer1_NRepeat">
<slice material="Silicon" thickness="EcalSiliconThickness" sensitive="yes" limits="cal_limits"/>
<slice material="Copper" thickness="EcalCopperThickness"/>
<slice material="Kapton" thickness="EcalKaptonThickness"/>
<slice material="Air" thickness="EcalAir1Thickness"/>
</layer>
<layer repeat="EcalEndcapPLayer2_NRepeat">
<slice material="TungstenDens24" thickness="EcalThinTungstenThickness"/>
<slice material="Air" thickness="EcalAir2Thickness"/>
<slice material="Silicon" thickness="EcalSiliconThickness" sensitive="yes" limits="cal_limits"/>
<slice material="Copper" thickness="EcalCopperThickness"/>
<slice material="Kapton" thickness="EcalKaptonThickness"/>
<slice material="Air" thickness="EcalAir1Thickness"/>
</layer>
<layer repeat="EcalEndcapPLayer3_NRepeat">
<slice material="TungstenDens24" thickness="EcalThickTungstenThickness"/>
<slice material="Air" thickness="EcalAir2Thickness"/>
<slice material="Silicon" thickness="EcalSiliconThickness" sensitive="yes" limits="cal_limits"/>
<slice material="Copper" thickness="EcalCopperThickness"/>
<slice material="Kapton" thickness="EcalKaptonThickness"/>
<slice material="Air" thickness="EcalAir1Thickness"/>
</layer>
</detector>
</detectors>
<!-- Definition of the readout segmentation/definition -->
<readouts>
<!--
<readout name="PlaneTrackerHits">
<segmentation type="CartesianGridXY" grid_size_x="20.0*mm" grid_size_y="20.0*mm" />
<id>system:5,module:4,x:32:-16,y:-16</id>
</readout>
-->
<readout name="EcalEndcapPHits">
<segmentation type="CartesianGridXY" grid_size_x="3.5 * mm" grid_size_y="3.5 * mm"/>
<id>system:8,barrel:3,module:4,layer:6,slice:5,x:32:-16,y:-16</id>
</readout>
</readouts>
<plugins>
</plugins>
<comment>hadron endcap ecal</comment>
<include ref="ci_ecal.xml"/>
<!--<include ref="ci_ecal_shashlik.xml"/>-->
</lccdd>
src/GaseousRICH_geo.cpp
+ 1
− 1
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......@@ -192,7 +192,7 @@ void build_sensors(Detector &desc, Volume &env, xml::Component plm, const Positi
double rotx = dd4hep::getAttrOrDefault<double>(sec, _Unicode(rotx), 0.);
// fill sensors to the piece
auto points = ref::utils::fillRectangles({0., 0.}, sx + gap, sy + gap, rmin - gap, rmax + gap, -phiw/2., phiw/2.);
auto points = athena::geo::fillRectangles({0., 0.}, sx + gap, sy + gap, rmin - gap, rmax + gap, -phiw/2., phiw/2.);
int imod = 1;
for (auto &p : points) {
// transofrms are in a reversed order
......
src/GeometryHelpers.cpp
+ 97
− 37
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#include "GeometryHelpers.h"
// some utility functions that can be shared
namespace ref::utils {
namespace athena::geo {
typedef ROOT::Math::XYPoint Point;
// check if a 2d point is already in the container
bool already_placed(const Point &p, const std::vector<Point> &vec, double xs = 1.0, double ys = 1.0, double tol = 1e-6)
{
for (auto &pt : vec) {
if ((std::abs(pt.x() - p.x())/xs < tol) && std::abs(pt.y() - p.y())/ys < tol) {
return true;
}
}
return false;
}
// check if a square in a ring
inline bool in_ring(const Point &pt, double sx, double sy, double rmin, double rmax, double phmin, double phmax)
inline bool rec_in_ring(const Point &pt, double sx, double sy, double rmin, double rmax, double phmin, double phmax)
{
if (pt.r() > rmax || pt.r() < rmin) {
return false;
......@@ -27,33 +38,29 @@ inline bool in_ring(const Point &pt, double sx, double sy, double rmin, double r
return true;
}
// check if a square is overlapped with the others
inline bool overlap(const Point &pt, double sx, double sy, const std::vector<Point> &pts)
{
for (auto &p : pts) {
auto pn = p - pt;
if ((std::abs(pn.x()) < (1. - 1e-6)*sx) && (std::abs(pn.y()) < (1. - 1e-6)*sy)) {
return true;
}
}
return false;
}
// a helper function to recursively fill square in a ring
void add_rectangle(Point p, std::vector<Point> &res, double sx, double sy, double rmin, double rmax, double phmin, double phmax)
void add_rectangle(Point p, std::vector<Point> &res, double sx, double sy,
double rmin, double rmax, double phmin, double phmax, int max_depth = 20, int depth = 0)
{
// outside of the ring or overlapping
if (!in_ring(p, sx, sy, rmin, rmax, phmin, phmax) || overlap(p, sx, sy, res)) {
// std::cout << depth << "/" << max_depth << std::endl;
// exceeds the maximum depth in searching or already placed
if ((depth > max_depth) || (already_placed(p, res, sx, sy))) {
return;
}
res.emplace_back(p);
bool in_ring = rec_in_ring(p, sx, sy, rmin, rmax, phmin, phmax);
if (in_ring) {
res.emplace_back(p);
}
// check adjacent squares
add_rectangle(Point(p.x() + sx, p.y()), res, sx, sy, rmin, rmax, phmin, phmax);
add_rectangle(Point(p.x() - sx, p.y()), res, sx, sy, rmin, rmax, phmin, phmax);
add_rectangle(Point(p.x(), p.y() + sy), res, sx, sy, rmin, rmax, phmin, phmax);
add_rectangle(Point(p.x(), p.y() - sy), res, sx, sy, rmin, rmax, phmin, phmax);
// continue search for a good placement or if no placement found yet
if (in_ring || res.empty()) {
// check adjacent squares
add_rectangle(Point(p.x() + sx, p.y()), res, sx, sy, rmin, rmax, phmin, phmax, max_depth, depth + 1);
add_rectangle(Point(p.x() - sx, p.y()), res, sx, sy, rmin, rmax, phmin, phmax, max_depth, depth + 1);
add_rectangle(Point(p.x(), p.y() + sy), res, sx, sy, rmin, rmax, phmin, phmax, max_depth, depth + 1);
add_rectangle(Point(p.x(), p.y() - sy), res, sx, sy, rmin, rmax, phmin, phmax, max_depth, depth + 1);
}
}
// fill squares
......@@ -68,23 +75,76 @@ std::vector<Point> fillRectangles(Point ref, double sx, double sy, double rmin,
// move to center
ref = ref - Point(int(ref.x()/sx)*sx, int(ref.y()/sy)*sy);
auto find_seed = [] (const Point &ref, int n, double sx, double sy, double rmin, double rmax, double phmin, double phmax) {
for (int ix = -n; ix < n; ++ix) {
for (int iy = -n; iy < n; ++iy) {
Point pt(ref.x() + ix*sx, ref.y() + iy*sy);
if (in_ring(pt, sx, sy, rmin, rmax, phmin, phmax)) {
return pt;
}
}
std::vector<Point> res;
add_rectangle(ref, res, sx, sy, rmin, rmax, phmin, phmax, (int(rmax/sx) + 1)*(int(rmax/sy) + 1)*2);
return res;
}
// check if a regular polygon is inside a ring
bool poly_in_ring(const Point &p, int nsides, double lside, double rmin, double rmax, double phmin, double phmax)
{
// outer radius is contained
if ((p.r() + lside <= rmax) && (p.r() - lside >= rmin)) {
return true;
}
// inner radius is not contained
double rin = std::cos(M_PI/nsides)*lside;
if ((p.r() + rin > rmax) || (p.r() - rin < rmin)) {
return false;
}
// in between, check every corner
for (int i = 0; i < nsides; ++i) {
double phi = (i + 0.5)*2.*M_PI/static_cast<double>(nsides);
Point p2(p.x() + 2.*lside*std::sin(phi), p.y() + 2.*lside*std::cos(phi));
if ((p2.r() > rmax) || (p2.r() < rmin)) {
return false;
}
return ref;
};
}
return true;
}
// recursively fill square (nside=4) or hexagon (nside=6) in a ring, other polygons won't work
void add_poly(Point p, std::vector<Point> &res, int nsides, double lside,
double rmin, double rmax, double phmin, double phmax, int max_depth = 20, int depth = 0)
{
// std::cout << depth << "/" << max_depth << std::endl;
// exceeds the maximum depth in searching or already placed
if ((depth > max_depth) || (already_placed(p, res, lside, lside))) {
return;
}
bool in_ring = poly_in_ring(p, nsides, lside, rmin, rmax, phmin, phmax);
if (in_ring) {
res.emplace_back(p);
}
// recursively add neigbors, continue if it was a good placement or no placement found yet
if (in_ring || res.empty()) {
double d = 2.*std::cos(M_PI/static_cast<double>(nsides))*lside;
for (int i = 0; i < nsides; ++i) {
double phi = i*2.*M_PI/static_cast<double>(nsides);
add_poly(Point(p.x() + 2.*lside*std::sin(phi), p.y() + 2.*lside*std::cos(phi)), res, nsides, lside,
rmin, rmax, phmin, phmax, max_depth, depth + 1);
}
}
}
std::vector<Point> fillHexagons(Point ref, double lside, double rmin, double rmax, double phmin, double phmax)
{
// convert (0, 2pi) to (-pi, pi)
if (phmax > M_PI) {
phmin -= M_PI;
phmax -= M_PI;
}
// start with a seed and find one in the ring
// move to center
ref = ref - Point(int(ref.x()/lside)*lside, int(ref.y()/lside)*lside);
std::vector<Point> res;
ref = find_seed(ref, int(rmax/sx) + 2, sx, sy, rmin, rmax, phmin, phmax);
add_rectangle(ref, res, sx, sy, rmin, rmax, phmin, phmax);
add_poly(ref, res, 6, lside, rmin, rmax, phmin, phmax, std::pow(int(rmax/lside) + 1, 2)*2);
return res;
}
} // ref::utils
} // athena::geo
src/GeometryHelpers.h
+ 5
− 2
View file @ 15115f46
......@@ -3,7 +3,7 @@
#include "Math/Point2D.h"
// some utility functions that can be shared
namespace ref::utils {
namespace athena::geo {
typedef ROOT::Math::XYPoint Point;
......@@ -17,4 +17,7 @@ inline std::vector<Point> fillSquares(Point ref, double size, double rmin, doubl
return fillRectangles(ref, size, size, rmin, rmax, phmin, phmax);
}
} // ref::utils
std::vector<Point> fillHexagons(Point ref, double lside, double rmin, double rmax,
double phmin = -M_PI, double phmax = M_PI);
} // athena::geo
src/HomogeneousCalorimeter_geo.cpp
+ 11
− 17
View file @ 15115f46
......@@ -16,10 +16,10 @@
#include <XML/Helper.h>
#include <iostream>
#include <algorithm>
#include <tuple>
#include <math.h>
using namespace dd4hep;
using namespace dd4hep::detail;
/** \addtogroup calorimeters Calorimeters
*/
......@@ -170,13 +170,12 @@ static Ref_t create_detector(Detector& desc, xml::Handle_t handle, SensitiveDete
}
// helper function to build module with or w/o wrapper
Volume build_module(Detector &desc, xml::Collection_t &plm, SensitiveDetector &sens, Position &dim)
std::tuple<Volume, Position> build_module(Detector &desc, xml::Collection_t &plm, SensitiveDetector &sens)
{
auto mod = plm.child(_Unicode(module));
auto sx = mod.attr<double>(_Unicode(sizex));
auto sy = mod.attr<double>(_Unicode(sizey));
auto sz = mod.attr<double>(_Unicode(sizez));
dim = Position{sx, sy, sz};
Box modShape(sx/2., sy/2., sz/2.);
auto modMat = desc.material(mod.attr<std::string>(_Unicode(material)));
Volume modVol("module_vol", modShape, modMat);
......@@ -185,29 +184,27 @@ Volume build_module(Detector &desc, xml::Collection_t &plm, SensitiveDetector &s
// no wrapper
if (!plm.hasChild(_Unicode(wrapper))) {
return modVol;
return std::make_tuple(modVol, Position{sx, sy, sz});
// build wrapper
} else {
auto wrp = plm.child(_Unicode(wrapper));
auto thickness = wrp.attr<double>(_Unicode(thickness));
if (thickness == 0.) {
return modVol;
if (thickness < 1e-12*mm) {
return std::make_tuple(modVol, Position{sx, sy, sz});
}
auto wrpMat = desc.material(wrp.attr<std::string>(_Unicode(material)));
Box wrpShape((sx + thickness)/2., (sy + thickness)/2., sz/2.);
Volume wrpVol("wrapper_vol", wrpShape, wrpMat);
wrpVol.placeVolume(modVol, Position(0., 0., 0.));
wrpVol.setVisAttributes(desc.visAttributes(wrp.attr<std::string>(_Unicode(vis))));
dim = Position{sx + thickness, sy + thickness, sz};
return wrpVol;
return std::make_tuple(wrpVol, Position{sx + thickness, sy + thickness, sz});
}
}
// place modules, id must be provided
static void add_individuals(Detector& desc, Assembly &env, xml::Collection_t &plm, SensitiveDetector &sens, int sid)
{
Position modSize;
auto modVol = build_module(desc, plm, sens, modSize);
auto [modVol, modSize] = build_module(desc, plm, sens);
int sector_id = dd4hep::getAttrOrDefault<int>(plm, _Unicode(sector), sid);
for (xml::Collection_t pl(plm, _Unicode(placement)); pl; ++pl) {
......@@ -228,8 +225,7 @@ static void add_individuals(Detector& desc, Assembly &env, xml::Collection_t &pl
// place array of modules
static void add_array(Detector& desc, Assembly &env, xml::Collection_t &plm, SensitiveDetector &sens, int sid)
{
Position modSize;
auto modVol = build_module(desc, plm, sens, modSize);
auto [modVol, modSize] = build_module(desc, plm, sens);
int sector_id = dd4hep::getAttrOrDefault<int>(plm, _Unicode(sector), sid);
int id_begin = dd4hep::getAttrOrDefault<int>(plm, _Unicode(id_begin), 1);
int nrow = plm.attr<int>(_Unicode(nrow));
......@@ -266,8 +262,7 @@ static void add_array(Detector& desc, Assembly &env, xml::Collection_t &plm, Sen
// place disk of modules
static void add_disk(Detector& desc, Assembly &env, xml::Collection_t &plm, SensitiveDetector &sens, int sid)
{
Position modSize;
auto modVol = build_module(desc, plm, sens, modSize);
auto [modVol, modSize] = build_module(desc, plm, sens);
int sector_id = dd4hep::getAttrOrDefault<int>(plm, _Unicode(sector), sid);
int id_begin = dd4hep::getAttrOrDefault<int>(plm, _Unicode(id_begin), 1);
double rmin = plm.attr<double>(_Unicode(rmin));
......@@ -275,7 +270,7 @@ static void add_disk(Detector& desc, Assembly &env, xml::Collection_t &plm, Sens
double phimin = dd4hep::getAttrOrDefault<double>(plm, _Unicode(phimin), 0.);
double phimax = dd4hep::getAttrOrDefault<double>(plm, _Unicode(phimax), 2.*M_PI);
auto points = ref::utils::fillRectangles({0., 0.}, modSize.x(), modSize.y(), rmin, rmax, phimin, phimax);
auto points = athena::geo::fillRectangles({0., 0.}, modSize.x(), modSize.y(), rmin, rmax, phimin, phimax);
// placement to mother
auto pos = get_xml_xyz(plm, _Unicode(position));
auto rot = get_xml_xyz(plm, _Unicode(rotation));
......@@ -291,8 +286,7 @@ static void add_disk(Detector& desc, Assembly &env, xml::Collection_t &plm, Sens
// place lines of modules (anchor point is the 0th module of this line)
static void add_lines(Detector& desc, Assembly &env, xml::Collection_t &plm, SensitiveDetector &sens, int sid)
{
Position modSize;
auto modVol = build_module(desc, plm, sens, modSize);
auto [modVol, modSize] = build_module(desc, plm, sens);
int sector_id = dd4hep::getAttrOrDefault<int>(plm, _Unicode(sector), sid);
int id_begin = dd4hep::getAttrOrDefault<int>(plm, _Unicode(id_begin), 1);
bool mirrorx = dd4hep::getAttrOrDefault<bool>(plm, _Unicode(mirrorx), false);
......
src/ShashlikCalorimeter.cpp 0 → 100644
+ 189
− 0
View file @ 15115f46
//==========================================================================
// Implementation for shashlik calorimeter modules
// it supports disk placements with (rmin, rmax), and (phimin, phimax)
//--------------------------------------------------------------------------
// Author: Chao Peng (ANL)
// Date: 06/22/2021
//==========================================================================
#include "GeometryHelpers.h"
#include "DD4hep/DetFactoryHelper.h"
#include <XML/Layering.h>
#include <XML/Helper.h>
#include <iostream>
#include <algorithm>
#include <tuple>
#include <math.h>
using namespace dd4hep;
static void add_disk_shashlik(Detector& desc, Assembly &env, xml::Collection_t &plm, SensitiveDetector &sens, int id);
// helper function to get x, y, z if defined in a xml component
template<class XmlComp>
Position get_xml_xyz(XmlComp &comp, dd4hep::xml::Strng_t name)
{
Position pos(0., 0., 0.);
if (comp.hasChild(name)) {
auto child = comp.child(name);
pos.SetX(dd4hep::getAttrOrDefault<double>(child, _Unicode(x), 0.));
pos.SetY(dd4hep::getAttrOrDefault<double>(child, _Unicode(y), 0.));
pos.SetZ(dd4hep::getAttrOrDefault<double>(child, _Unicode(z), 0.));
}
return pos;
}
static Ref_t create_detector(Detector& desc, xml::Handle_t handle, SensitiveDetector sens)
{
static const std::string func = "ShashlikCalorimeter";
xml::DetElement detElem = handle;
std::string detName = detElem.nameStr();
int detID = detElem.id();
DetElement det(detName, detID);
sens.setType("calorimeter");
// envelope
Assembly assembly(detName);
// module placement
xml::Component plm = detElem.child(_Unicode(placements));
int sector = 1;
for (xml::Collection_t mod(plm, _Unicode(disk)); mod; ++mod) {
add_disk_shashlik(desc, assembly, mod, sens, sector++);
}
// detector position and rotation
auto pos = get_xml_xyz(detElem, _Unicode(position));
auto rot = get_xml_xyz(detElem, _Unicode(rotation));
Volume motherVol = desc.pickMotherVolume(det);
Transform3D tr = Translation3D(pos.x(), pos.y(), pos.z()) * RotationZYX(rot.z(), rot.y(), rot.x());
PlacedVolume envPV = motherVol.placeVolume(assembly, tr);
envPV.addPhysVolID("system", detID);
det.setPlacement(envPV);
return det;
}
// helper function to build module with or w/o wrapper
std::tuple<Volume, int, double, double> build_shashlik(Detector &desc, xml::Collection_t &plm, SensitiveDetector &sens)
{
auto mod = plm.child(_Unicode(module));
// a modular volume
std::string shape = dd4hep::getAttrOrDefault(mod, _Unicode(shape), "square");
std::transform(shape.begin(), shape.end(), shape.begin(), [](char c) { return std::tolower(c); });
int nsides = 4;
if (shape == "hexagon") {
nsides = 6;
} else if (shape != "square") {
std::cerr << "ShashlikCalorimeter Error: Unsupported shape of module " << shape
<< ". Please choose from (square, hexagon). Proceed with square shape." << std::endl;
}
double slen = mod.attr<double>(_Unicode(side_length));
double rmax = slen/2./std::sin(M_PI/nsides);
Layering layering(mod);
auto len = layering.totalThickness();
// wrapper info
PolyhedraRegular mpoly(nsides, 0., rmax, len);
Volume mvol("shashlik_module_vol", mpoly, desc.air());
mvol.setVisAttributes(desc.visAttributes(dd4hep::getAttrOrDefault(mod, _Unicode(vis), "GreenVis")));
double gap = 0.;
Volume wvol("shashlik_wrapper_vol");
if (plm.hasChild(_Unicode(wrapper))) {
auto wrap = plm.child(_Unicode(wrapper));
gap = wrap.attr<double>(_Unicode(thickness));
if (gap > 1e-6*mm) {
wvol.setSolid(PolyhedraRegular(nsides, 0., rmax + gap, len));
wvol.setMaterial(desc.material(wrap.attr<std::string>(_Unicode(material))));
wvol.setVisAttributes(desc.visAttributes(dd4hep::getAttrOrDefault(wrap, _Unicode(vis), "WhiteVis")));
wvol.placeVolume(mvol, Position{0., 0., 0.});
}
}
// layer start point
double lz = -len/2.;
int lnum = 1;
// Loop over the sets of layer elements in the detector.
for (xml_coll_t li(mod, _U(layer)); li; ++li) {
int repeat = li.attr<int>(_Unicode(repeat));
// Loop over number of repeats for this layer.
for (int j = 0; j < repeat; j++) {
std::string lname = Form("layer%d", lnum);
double lthick = layering.layer(lnum - 1)->thickness(); // Layer's thickness.
PolyhedraRegular lpoly(nsides, 0., rmax, lthick);
Volume lvol(lname, lpoly, desc.air());
// Loop over the sublayers or slices for this layer.
int snum = 1;
double sz = -lthick/2.;
for (xml_coll_t si(li, _U(slice)); si; ++si) {
std::string sname = Form("slice%d", snum);
double sthick = si.attr<double>(_Unicode(thickness));
PolyhedraRegular spoly(nsides, 0., rmax, sthick);
Volume svol(sname, spoly, desc.material(si.attr<std::string>(_Unicode(material))));
std::string issens = dd4hep::getAttrOrDefault(si, _Unicode(sensitive), "no");
std::transform(issens.begin(), issens.end(), issens.begin(), [](char c) { return std::tolower(c); });
if ((issens == "yes") || (issens == "y") || (issens == "true")) {
svol.setSensitiveDetector(sens);
}
svol.setAttributes(desc,
dd4hep::getAttrOrDefault(si, _Unicode(region), ""),
dd4hep::getAttrOrDefault(si, _Unicode(limits), ""),
dd4hep::getAttrOrDefault(si, _Unicode(vis), "InvisibleNoDaughters"));
// Slice placement.
auto slicePV = lvol.placeVolume(svol, Position(0, 0, sz + sthick/2.));
slicePV.addPhysVolID("slice", snum++);
// Increment Z position of slice.
sz += sthick;
}
// Set region, limitset, and vis of layer.
lvol.setAttributes(desc,
dd4hep::getAttrOrDefault(li, _Unicode(region), ""),
dd4hep::getAttrOrDefault(li, _Unicode(limits), ""),
dd4hep::getAttrOrDefault(li, _Unicode(vis), "InvisibleNoDaughters"));
auto layerPV = mvol.placeVolume(lvol, Position(0, 0, lz + lthick/2));
layerPV.addPhysVolID("layer", lnum++);
// Increment to next layer Z position.
lz += lthick;
}
}
if (gap > 1e-6*mm) {
return std::make_tuple(wvol, nsides, 2.*std::sin(M_PI/nsides)*(rmax + gap), len);
} else {
return std::make_tuple(mvol, nsides, slen, len);
}
}
// place disk of modules
static void add_disk_shashlik(Detector& desc, Assembly &env, xml::Collection_t &plm, SensitiveDetector &sens, int sid)
{
auto [mvol, nsides, sidelen, len] = build_shashlik(desc, plm, sens);
int sector_id = dd4hep::getAttrOrDefault<int>(plm, _Unicode(sector), sid);
int id_begin = dd4hep::getAttrOrDefault<int>(plm, _Unicode(id_begin), 1);
double rmin = plm.attr<double>(_Unicode(rmin));
double rmax = plm.attr<double>(_Unicode(rmax));
double phimin = dd4hep::getAttrOrDefault<double>(plm, _Unicode(phimin), 0.);
double phimax = dd4hep::getAttrOrDefault<double>(plm, _Unicode(phimax), 2.*M_PI);
auto points = (nsides == 6) ? athena::geo::fillHexagons({0., 0.}, sidelen, rmin, rmax, phimin, phimax)
: athena::geo::fillSquares({0., 0.}, sidelen*1.414, rmin, rmax, phimin, phimax);
// placement to mother
auto pos = get_xml_xyz(plm, _Unicode(position));
auto rot = get_xml_xyz(plm, _Unicode(rotation));
int mid = 0;
for (auto &p : points) {
Transform3D tr = RotationZYX(rot.z(), rot.y(), rot.x())
* Translation3D(pos.x() + p.x(), pos.y() + p.y(), pos.z() + len/2.)
* RotationZ((nsides == 4) ? 45*degree : 0);
auto modPV = env.placeVolume(mvol, tr);
modPV.addPhysVolID("sector", sector_id).addPhysVolID("module", id_begin + mid++);
}
}
DECLARE_DETELEMENT(ShashlikCalorimeter, create_detector)
src/ce_MRICH.cpp
+ 1
− 1
View file @ 15115f46
......@@ -82,7 +82,7 @@ void addModules(Volume &mother, xml::DetElement &detElem, Detector &desc, Sensit
modVol.setSensitiveDetector(sens);
// place modules in the sectors (disk)
auto points = ref::utils::fillSquares({0., 0.}, mWidth + mGap, rmin - mGap, rmax + mGap);
auto points = athena::geo::fillSquares({0., 0.}, mWidth + mGap, rmin - mGap, rmax + mGap);
// determine module direction, always facing z = 0
double roty = dims.z() > 0. ? M_PI/2. : -M_PI/2.;
......
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