Fix angular variations in derivatives calculations.

Author: shahor02

Detectors/Align/src/AlignableSensor.cxx

@@ -47,7 +47,7 @@ void AlignableSensor::dPosTraDParGeomLOC(const AlignmentPoint* pnt, double* deri
   // Jacobian of position in sensor tracking frame (tra) vs sensor LOCAL frame
   // parameters in TGeoHMatrix convention.
   // Result is stored in array deriv as linearized matrix 6x3
-  const double kDelta[kNDOFGeom] = {0.1, 0.1, 0.1, 0.5, 0.5, 0.5};
+  const double kDelta[kNDOFGeom] = {0.1, 0.1, 0.1, 0.5 * DegToRad(), 0.5 * DegToRad(), 0.5 * DegToRad()}; // changed angles to radians
   double delta[kNDOFGeom], pos0[3], pos1[3], pos2[3], pos3[3];
   TGeoHMatrix matMod;
   //
@@ -94,7 +94,7 @@ void AlignableSensor::dPosTraDParGeomLOC(const AlignmentPoint* pnt, double* deri
   // Jacobian of position in sensor tracking frame (tra) vs parent volume LOCAL frame parameters.
   // NO check of parentship is done!
   // Result is stored in array deriv as linearized matrix 6x3
-  const double kDelta[kNDOFGeom] = {0.1, 0.1, 0.1, 0.5, 0.5, 0.5};
+  const double kDelta[kNDOFGeom] = {0.1, 0.1, 0.1, 0.5 * DegToRad(), 0.5 * DegToRad(), 0.5 * DegToRad()}; // changed angles to radians
   double delta[kNDOFGeom], pos0[3], pos1[3], pos2[3], pos3[3];
   TGeoHMatrix matMod;
   // this is the matrix for transition from sensor to parent volume local frames: LOC=matRel*loc
@@ -193,7 +193,7 @@ void AlignableSensor::dPosTraDParGeomTRA(const AlignmentPoint* pnt, double* deri
   // tra' = tau*tra
   //
   // Result is stored in array deriv as linearized matrix 6x3
-  const double kDelta[kNDOFGeom] = {0.1, 0.1, 0.1, 0.5, 0.5, 0.5};
+  const double kDelta[kNDOFGeom] = {0.1, 0.1, 0.1, 0.5 * DegToRad(), 0.5 * DegToRad(), 0.5 * DegToRad()}; // changed angles to radians
   double delta[kNDOFGeom], pos0[3], pos1[3], pos2[3], pos3[3];
   TGeoHMatrix matMod;
   //