Storing/Retrieving Vertex and Track parameters

+-------------+                                               +----------##
| Geant 3.11  |               GEANT User's Guide              | KINE100  ##
+-------------+                                               +----------##
                                   

                                   

Author(s) : R.Brun                                     Submitted: 01.06.83
Origin    : GEANT2                                       Revised: 21.08.87
                                  

 +----------------------------------------------------------------------+
 | CALL GSVERT (VERT,NTBEAM,NTTARG,UBUF,NUBUF,NVTX*) |
 +----------------------------------------------------------------------+
                                  

Stores vertex parameters.

VERT

array of (x,y,z) position of the vertex

NTBEAM

beam track number origin of the vertex =0 if none exists

NTTARG

target track number origin of the vertex

UBUF

user array of NUBUF floating point numbers NUBUF

NVTX

new vertex number (=0 in case of error).

                 +--------------------------------------+
                 |CALL GPVERT (IVTX) |
                 +--------------------------------------+
                                  

Prints vertex parameters.

IVTX

for vertex IVTX. (for all vertices if IVTX=0)

     +--------------------------------------------------------------+
     |CALL GSKINE (PLAB,IPART,NV,UBUF,NUBUF,NT*) |
     +--------------------------------------------------------------+
                                  

Stores long life track parameters.

PLAB

components of momentum

IPART

particle number (see GSPART)

NV

vertex number origin of track

UBUF

array of NUBUF floating point user parameters

NUBUF

NT

track number (if=0 error).

+------------------------------------------------------------------------------+
|CALL GFKINE (ITRA,VERT*,PVERT*,IPART*,NVERT*,UBUF*,NUBUF*) |
+------------------------------------------------------------------------------+
                                  

Retrieves long life track parameters.

ITRA

track number for which parameters are requested

VERT

vector origin of the track

PVERT

4 momentum components at the track origin

IPART

particle type (=0 if track ITRA does not exist)

NVERT

vertex number origin of the track

UBUF

user words stored in GSKINE.

                 +--------------------------------------+
                 |CALL GPKINE (ITRA) |
                 +--------------------------------------+
                                  

Prints initial track parameters.

ITRA

for track ITRA (for all tracks if ITRA=0)