The ALICE 3 geometry v1 LUT writer (#88)

Author: preghenella

src/lutWrite.geometry_v1.cc

@@ -0,0 +1,62 @@
+/// @author: Roberto Preghenella
+/// @email: [email protected]
+
+#include "lutWrite.cc"
+
+float scale = 1.;
+
+void
+fatInit_geometry_v1(float field = 0.5, float rmin = 100.)
+{
+  fat.SetBField(field);
+  fat.SetdNdEtaCent(1600.);
+  // new ideal Pixel properties?
+  Double_t x0IB     = 0.001;
+  Double_t x0OB     = 0.01;
+  Double_t xrhoIB     = 2.3292e-02; // 100 mum Si
+  Double_t xrhoOB     = 2.3292e-01; // 1000 mum Si
+  
+  Double_t resRPhiIB     = 0.00025;
+  Double_t resZIB        = 0.00025;
+  Double_t resRPhiOB     = 0.00100;
+  Double_t resZOB        = 0.00100;
+  Double_t eff           = 0.98;
+  fat.AddLayer((char*)"vertex",           0.0,      0,        0); // dummy vertex for matrix calculation
+  fat.AddLayer((char*)"bpipe0",  0.48 * scale, 0.00042, 2.772e-02); // 150 mum Be
+  //
+  fat.AddLayer((char*)"B00",     0.50 * scale,  x0IB, xrhoIB, resRPhiIB, resZIB, eff);
+  fat.AddLayer((char*)"B01",     1.20 * scale,  x0IB, xrhoIB, resRPhiIB, resZIB, eff);
+  fat.AddLayer((char*)"B02",     2.50 * scale,  x0IB, xrhoIB, resRPhiIB, resZIB, eff);
+  //
+  fat.AddLayer((char*)"bpipe1",   3.7 * scale,   0.0014, 9.24e-02); // 500 mum Be
+  //
+  fat.AddLayer((char*)"B03",     3.75 * scale,  x0IB, xrhoIB, resRPhiIB, resZIB, eff);
+  //
+  fat.AddLayer((char*)"B04",     7.00 * scale,  x0OB, xrhoOB, resRPhiOB, resZOB, eff);
+  fat.AddLayer((char*)"B05",     12.0 * scale,  x0OB, xrhoOB, resRPhiOB, resZOB, eff);
+  fat.AddLayer((char*)"B06",     20.0 * scale,  x0OB, xrhoOB, resRPhiOB, resZOB, eff);
+  fat.AddLayer((char*)"B07",     30.0 * scale,  x0OB, xrhoOB, resRPhiOB, resZOB, eff);
+  fat.AddLayer((char*)"B08",     45.0 * scale,  x0OB, xrhoOB, resRPhiOB, resZOB, eff);
+  fat.AddLayer((char*)"B09",     60.0 * scale,  x0OB, xrhoOB, resRPhiOB, resZOB, eff);
+  fat.AddLayer((char*)"B10",     80.0 * scale,  x0OB, xrhoOB, resRPhiOB, resZOB, eff);
+  fat.AddLayer((char*)"B11",     100. * scale,  x0OB, xrhoOB, resRPhiOB, resZOB, eff);
+  fat.SetAtLeastHits(4);
+  fat.SetAtLeastCorr(4);
+  fat.SetAtLeastFake(0);
+  //
+  fat.SetMinRadTrack(rmin);
+  //
+  fat.PrintLayout();
+}
+
+void
+lutWrite_geometry_v1(const char *filename = "lutCovm.dat", int pdg = 211, float field = 0.5, float rmin = 100.)
+{
+
+  // init FAT
+  fatInit_geometry_v1(field, rmin);
+  // write
+  lutWrite(filename, pdg, field);
+  
+}
+