//____________________________________________________________________
//
+// AliFMDDetector.
+//
+// Base class for concrete FMD detectors, like AliFMD1, AliFMD2,
+// AliFMD3.
// Utility class to help implement the FMD geometry. This provides
// the interface for the concrete geometry implementations of the FMD
// sub-detectors.
//
// Latest changes by Christian Holm Christensen
//
+
+#include <TGeoManager.h> // ROOT_TGeoManager
+#include <TGeoMatrix.h> // ROOT_TGeoMatrix
+#include <TMath.h> // ROOT_TMath
+
#include "AliFMDDetector.h" // ALIFMDSUBDETECTOR_H
#include "AliFMDRing.h" // ALIFMDRING_H
#include "AliLog.h" // ALILOG_H
-#include <TGeoManager.h> // ROOT_TGeoManager
-#include <TGeoMatrix.h> // ROOT_TGeoMatrix
-// #include <TMath.h> // ROOT_TMath
//====================================================================
ClassImp(AliFMDDetector)
AliFMDDetector::AliFMDDetector(Int_t id, AliFMDRing* inner, AliFMDRing* outer)
: TNamed(Form("FMD%d", id), "Forward multiplicity ring"),
fId(id),
+ fInnerZ(0.),
+ fOuterZ(0.),
+ fHoneycombThickness(0.),
+ fAlThickness(0.),
+ fInnerHoneyLowR(0.),
+ fInnerHoneyHighR(0.),
+ fOuterHoneyLowR(0.),
+ fOuterHoneyHighR(0.),
fInner(inner),
fOuter(outer),
fInnerTransforms(0),
AliFMDDetector::AliFMDDetector(const AliFMDDetector& other)
: TNamed(other),
fId(other.fId),
+ fInnerZ(0.),
+ fOuterZ(0.),
+ fHoneycombThickness(0.),
+ fAlThickness(0.),
+ fInnerHoneyLowR(0.),
+ fInnerHoneyHighR(0.),
+ fOuterHoneyLowR(0.),
+ fOuterHoneyHighR(0.),
fInner(other.fInner),
fOuter(other.fOuter),
fInnerTransforms(other.fInnerTransforms),
(name[3] == 'T' || name[3] == 'B'))
#define IS_NODE_SENSOR(name) \
(name[0] == 'F' && name[2] == 'S' && name[3] == 'E')
+#define IS_NODE_HALF(name) \
+ (name[0] == 'F' && name[2] == 'M' && (name[3] == 'B' || name[3] == 'T'))
//____________________________________________________________________
void
}
}
+//____________________________________________________________________
+void
+AliFMDDetector::SetAlignableVolumes() const
+{
+ AliDebug(10, Form("Making alignable volumes for FMD%d", fId));
+ if (!gGeoManager) {
+ AliFatal("No TGeoManager defined");
+ return;
+ }
+ TGeoVolume* topVolume = gGeoManager->GetTopVolume();
+ if (!topVolume) {
+ AliFatal("No top-level volume defined");
+ return;
+ }
+
+ // Make an iterator
+ TGeoIterator next(topVolume);
+ next.Reset(topVolume);
+ next.SetTopName(Form("/%s_1", topVolume->GetName()));
+ TGeoNode* node = 0;
+
+ Int_t nInnerSensor = (fInner ? fInner->GetNModules() : 0);
+ Int_t nOuterSensor = (fOuter ? fOuter->GetNModules() : 0);
+ // Find the node corresponding to this detector, and then find the
+ // sensor volumes
+ Bool_t thisNodeFound = kFALSE;
+ Char_t thisHalf = '\0';
+ Int_t iInnerSensor = 0;
+ Int_t iOuterSensor = 0;
+ Bool_t hasTop = false;
+ Bool_t hasBottom = false;
+
+ TString path, align;
+ while ((node = static_cast<TGeoNode*>(next()))
+ && (iInnerSensor < nInnerSensor || iOuterSensor < nOuterSensor
+ || !hasBottom || !hasTop)) {
+ // Get nodes names
+ const Char_t* name = node->GetName();
+ if (!name) continue;
+ AliDebug((name[0] == 'F' ? 40 : 50), Form("Got volume %s", name));
+ // Check if this node is this detector
+ // The base offset for numbers in the ASCII table is 48
+ if (IS_NODE_THIS(name)) {
+ AliDebug(20, Form("Found detector node '%s' for FMD%d", name, fId));
+ thisNodeFound = kTRUE;
+ }
+
+ // if a half ring is found, then we're on that branch, and we
+ // check if this node represents a half ring on that branch
+ if (thisNodeFound && IS_NODE_HALF(name)) {
+ AliDebug(30, Form("Found half node '%s' for FMD%d", name, fId));
+ // Get the half Id.
+ thisHalf = name[3];
+
+ // Check if we're done
+ Bool_t done = (thisHalf == 'T' ? hasTop : hasBottom);
+ if (done) {
+ AliDebug(20,Form("Already has all halves for detector %c",name[1]));
+ continue;
+ }
+
+ switch (thisHalf) {
+ case 'T': hasTop = true; break;
+ case 'B': hasBottom = true; break;
+ default:
+ AliWarning(Form("Unknown part '%c' of FMD%d", fId));
+ continue; // because the node is unknown.
+ }
+
+ // Get the node path
+ next.GetPath(path);
+ align = Form("FMD/FMD%d_%c", fId, thisHalf);
+ }
+
+ // if the detector was found, then we're on that branch, and we
+ // check if this node represents a module in that branch.
+ if (thisNodeFound && thisHalf && IS_NODE_SENSOR(name)) {
+ AliDebug(30, Form("Found sensor node '%s' for FMD%d", name, fId));
+ // Get the ring Id.
+ Char_t ringid = name[1];
+
+ // check that the ring is valid
+ if (!GetRing(ringid)) {
+ AliWarning(Form("Invalid ring %c for FMD%d", ringid, fId));
+ continue;
+ }
+
+ // Check if we're done
+ Bool_t done = false;
+ switch (ringid) {
+ case 'I': done = iInnerSensor >= nInnerSensor; break;
+ case 'O': done = iOuterSensor >= nOuterSensor; break;
+ default: continue;
+ }
+ if (done) {
+ AliDebug(20,Form("Already has all sensor volumes for ring %c",ringid));
+ continue;
+ }
+ // Get the copy (module) number, and check that it hasn't
+ // already been added to the container.
+ Int_t copy = node->GetNumber();
+ next.GetPath(path);
+ // path.Replace("ALIC", "/ALIC_1");
+ align = Form("FMD/FMD%d_%c/FMD%c_%02d", fId, thisHalf, ringid, copy);
+
+ switch (ringid) {
+ case 'I': iInnerSensor++; break;
+ case 'O': iOuterSensor++; break;
+ }
+ }
+ if (!align.IsNull() && !path.IsNull()) {
+ AliDebug(20, Form("Got %s -> %s", path.Data(), align.Data()));
+ TGeoPNEntry* entry =
+ gGeoManager->SetAlignableEntry(align.Data(),path.Data());
+ if(!entry)
+ AliFatal(Form("Alignable entry %s not created. "
+ "Volume path %s not valid",
+ align.Data(),path.Data()));
+#ifdef MAKE_ALIGNABLE_PHYSICAL
+ TGeoPhysicalNode* phys = gGeoManager->MakeAlignablePN(entry);
+ if (!phys)
+ AliWarning(Form("Physical node entry %s not created. "
+ "Volume path %s not valid",
+ align.Data(),path.Data()));
+#endif
+ align = "";
+ }
+ AliDebug(20, Form("FMD%d: top: %d bottom: %d Inner: %d/%d Outer %d/%d",
+ fId, hasTop, hasBottom, iInnerSensor, nInnerSensor,
+ iOuterSensor, nOuterSensor));
+ }
+}
+
+
+
//____________________________________________________________________
AliFMDRing*
AliFMDDetector::GetRing(Char_t id) const
// (x,y,z) coordinates (in global reference frame)
AliFMDRing* r = GetRing(ring);
if (!r) return;
-#if 1
TGeoMatrix* m = FindTransform(ring, sector);
if (!m) return;
Double_t rho = r->GetStripRadius(strip);
+ r->GetCopperThickness()
+ r->GetChipThickness()
+ r->GetSpacing());
- AliDebug(10,Form("Rho %7.3f, angle %7.3f", rho, phi));
+ AliDebug(30,Form("Rho %7.3f, angle %7.3f", rho, phi));
# define DEGRAD TMath::Pi() / 180.
Double_t local[] = { rho * TMath::Cos(phi * DEGRAD),
rho * TMath::Sin(phi * DEGRAD),
-modThick + siThick / 2 };
Double_t master[3];
- AliDebug(10, Form("Local (%7.3f,%7.3f,%7.3f)",local[0], local[1], local[2]));
+ AliDebug(30, Form("Local (%7.3f,%7.3f,%7.3f)",local[0], local[1], local[2]));
m->LocalToMaster(local, master);
- AliDebug(10, Form("Master (%7.3f,%7.3f,%7.3f)",
+ AliDebug(30, Form("Master (%7.3f,%7.3f,%7.3f)",
master[0],master[1],master[2]));
x = master[0];
y = master[1];
z = master[2];
-#else
- z = GetRingZ(ring);
- r->Detector2XYZ(sector, strip, x, y, z);
-#endif
}
//____________________________________________________________________
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff