The Rotation Matrix data structure JROTM

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| Geant 3.10  |               GEANT User's Guide              | GEOM299  ##
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Author(s) :                                            Submitted: 01.11.78
Origin    : GEANT2/3                                     Revised: 28.05.86
                                  

  JROTM
  NROTM  IROTM v
  1  Sin$\theta_1$ Cos$\phi_1$
  "  Sin$\theta_1$ Sin$\phi_1$
  "  Cos$\theta_1$
  "  ....
  9  (same terms for $\theta_2$ and $\theta_3$)
  10  Rotation flag
  11 THETA1 (degrees)
  12 PHI1
  13 THETA2
  14 PHI2
  15 THETA3
  16 PHI3

JR = LQ(JROTM-IROTM) pointer to rotation matrix number IROTM

The rotation flag is computed internally to provide the possibility at execution to quickly recognize simple rotation configurations.