CERN Program Library Long Writeup W5013 - CERNLIB ...

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ISEL = CALL GDHEAD(isel,name,chrsiz) 0 to have only the header lines xxxxx1 to add the text name centered on top of header xxxx1x to add global detector name (first volume) on left xxx1xx to add date on right xx1xxx to select thick characters for text on top of header x1xxxx to add the text ’EVENT NR x’ on top of header 1xxxxx to add the text ’RUN NR x’ on top of header NOTE that ISEL=x1xxx1 or ISEL=1xxxx1 are illegal choices, i.e. they generate overwritten text. NAME is the title and CHRSIZ the character size in cm of text name. 3.20 MEASURE Position the cursor on the first point (u1,v1) and hit the space bar(GKS). Position the cursor on the second point (u2,v2) and hit the space bar(GKS). Clicking the left button of the mouse (X11) will have the same effect as hiting the space bar (GKS). The command will compute and print the distance in space separating the two points on the projection view. It can be useful to measure distances either between volumes or between tracks or hits. 3.21 PICK Activates graphic input to identify detector elements in a cut view. Clicking on the left button of the mouse when the cursor is in a given point of the drawing and clicking again (outside the detector) will produce the following effect: a line joininig the two points will be drawn together with the name and the medium number of the volume picked with the first clicking close to the second point. 3.22 MOVE name [ nopt ] NAME C “Volume name” D=’ ’ NOPT C “S=sample mode,T=tracks,H=hits” D=’ ’ Positioning some daughter volumes inside a ’mother’, it can be important to check if overlaps between such volumes have occurred. Instead of putting the drawing in a view bank, zooming, and iterating the process for different viewing angles of the same detector, the MOVE facility has been developed (for machines running with X11): it is sufficient to draw a view of the volumes to be analysed (after setting the proper SEEN, COLO, etc. attributes) and then to enter ’MOVE’ followed by the same ’NAME’ used for the last command DRAW. The detector will appear in a panel with five buttons at the bottom: THETA, PHI, TRASL, ZOOM, OFF. Clicking on the left button of the mouse, when the cursor is inside the THETA area, will rotate the detector along the polar angle theta according to the backward-to-forward movement of the mouse (clicking up and down the left button if not in sample mode); clicking on the right button of the mouse will stop the rotation; clicking now on the left button of the mouse when inside the PHI area will activate a rotation along the polar angle phi. In the same way, activating the TRASL button, the detector can be translated in the u,v plane of the screen according to the 2D-movement of the mouse. Finally, activating the ZOOM button, the detector will be zoomed (or unzoomed) according to the backward-to-forward movement of the mouse. Clicking on the OFF button will return the control to the ’command mode’. The MOVE command will work also with hidden line removal and shading options (when SHAD is on the background will be black); moreover, if the volumes are clipped, exploded, shifted, etc., they will be ’MOVED’ with these features as well. Tracks and hits of a previously stored physical event can be moved together with the detector, allowing XINT002 – 12 368
a dynamical 3-D analysis of the simulated events. Clicking the central button of the mouse when a good view of the event is found, will stop any movement and the mouse will allow the normal picking capabilities first for the tracks and then for the hits. After clicking of the right button, the normal movement will restart to find another interesting view of the event and to iterate the process. The MOVE is also available in sample mode. The following commands will produce a drawing of a volume and then will give the control to the MOVE panel; try the following possibilities: EXAMPLE 1 - dopt hide off satt * seen -2 drawNAME 40 40 0 10 10 .01 .01 move NAME EXAMPLE 2 - dopt hide on satt * seen -2 drawNAME 40 40 0 10 10 .01 .01 move NAME EXAMPLE 3 - dopt shad on satt * colo 3 satt * fill 2 dopt edge off drawNAME 40 40 0 10 10 .01 .01 move NAME 3.23 MOVE3D name [ theta phi psi u0 v0 su sv sz nopt ] NAME C “Volume name” D=’ ’ THETA R “Viewing angle theta (for 3D projection)” D=40. R=0.:180. PHI R “Viewing angle phi (for 3D projection)” D=40. R=0.:360. PSI R “Viewing angle psi (for 2D rotation)” D=0. R=0.:180. U0 R “U-coord. (horizontal) of volume origin” D=10. R=0.:20. V0 R “V-coord. (vertical) of volume origin” D=10. R=0.:20. SU R “Scale factor for U-coord.” D=0.01 SV R “Scale factor for V-coord.” D=0.01 SZ R “Scale zoom factor” D=1. R=0.1:10. NOPT C “T=tracks,H=hits” D=’ ’ Possible NOPT values are: T H Same functionality of the command MOVE interfaced with MOTIF. 3.24 PERSP name distt [ samp ] NAME C “Volume name” D=’ ’ DISTT R “Volume distance from observer” D=1000. SAMP C “Control to the mouse” D=’OFF ’ 369 XINT002 – 13
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CERN Program Library Long Writeup W
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Chapter 1: Catalog of Geant section
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IOPA500 KINE001 KINE100 KINE199 KIN
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Geant 3.21 GEANT User’s Guide AAA
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The routines made available for GEA
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outines, then you can type the foll
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AAAA Bibliography [1] H.J. Klein an
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2 Event simulation framework The fr
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• after each tracking step along
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GUDIGI GUOUT GTRIGC UGLAST GLAST GU
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Particles JPART Materials JMATE/JTM
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3 Summary of GEANT data records 3.1
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3.4 User applications KEY N I VAR S
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Geant 3.16 GEANT User’s Guide BAS
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SUBROUTINE UGEOM + (’TGT ’,2,
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LQ(JHEAD-1) user link IQ(JHEAD+1) I
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VALUE = GARNDM (DUMMY) DUMMY (REAL)
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Geant 3.16 GEANT User’s Guide CON
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1 Energy binning IDECAD Bin number
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Particle No. Mass(GeV) Charge Life
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¯Ω + ¯Ξ 0 π + 23.60 ¯ΛK + 67
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Geant 3.16 GEANT User’s Guide DRA
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The main drawing routines are: GDRA
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Another feature which is available
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z y x C CHARACTER*4 CHNAMS(5) INTEG
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CALL GDRAWC(’OPAL’,2,0.,10.,10.
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CALL GSATT(’HB’,’FILL’,3) C
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CALL GDRAW(’CAVE’,40.,40.,0.,10
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Figure 16: Example of use of GDSPEC
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CALL GDOPEN(3) CALL GDRAWC(’ALEF
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6 NKVIEW IVIEW JDRAW NKVIEW JV = IB
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SHAD EDGE when HIDE is ON, selects
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x1xxxx 1xxxxx add the text EVENT NR
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DRAW Bibliography [1] R.Bock et al.
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2 Volumes with contents A volume ca
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The user can position a volume thro
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0 1 2 1 0 1 0 1 2 3 4 5 6 7 Figure
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2 Divisions along arbitrary axis As
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9.BL2 half-length along x of the si
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1.DZ half-length along the z axis;
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ECAL BOX specifications 18/11/93 EC
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ECAL SPHE specifications 18/11/93 E
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Geant 3.16 GEANT User’s Guide GEO
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• if the CHONLY flag is set to MA
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y y x x y y y y z z x x z z y y x x
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CAVE PAR1 specifications 20/10/94 y
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Dynamic ordering The list of neighb
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are represented by their values. A
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Where • @302 is the block number
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GEOM Bibliography [1] French Standa
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Geant 3.16 GEANT User’s Guide HIT
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ITRA NUMBV HITS NHITS (INTEGER) is
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HITS Bibliography 175 HITS510 - 3
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Geant 3.16 GEANT User’s Guide IOP
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0 if only IER] structures read in o
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Geant 3.16 GEANT User’s Guide KIN
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NTRACK ITRA JKINE NTRACK JK 1 2 3 4
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Geant 3.16 GEANT User’s Guide PHY
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Below are listed the data record ke
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Computation of total crosssection o
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7. Update the number of interaction
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1= generation of secondaries enable
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DEEMAX The formula used by GEANT is
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The second problem has been solved
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GPHYSI Initialisation of physics pr
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• the mean number of tries is not
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as function of the variable u = Eθ
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GEANT 3.16 GEANT User’s Guide PHY
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where N Z(Z i ) A(A i ) ρ σ Avoga
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Word # PHFN bank (data area, contin
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2 Method If the energy of the radia
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where: n number of energy bins q i
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• Case dielectric → metal. The
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| ⃗ k| = | ⃗ k ′′ | = k =
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Case dielectric → metal In this c
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5 Processes involving Čerenkov pho
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Much of the difficulty in approxima
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CALL GMOLIE (OMEGA,BETA2,DIN*) OMEG
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where λ 0 = ¯h/p Compton waveleng
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2.3 Sampling of the distribution fu
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X 0 is the radiation length. From (
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where we have set Θ=θ/χ α . To
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The variable DCUTE in common /GCCUT
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2.2 Total cross-sections The integr
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For the other charged particles the
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POTI POTIL (REAL) average ionisatio
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where φ(λ) = 1 ∫ c+i∞ exp (u
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Counts 900 800 Landau 700 40 600 20
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Fast simulation for n 3 ≥ 16 If t
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ξ/E Max (hereafter κ) relative im
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ln(∫ σ γ dE/norm.factor) -4 -6
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VALUE = GBFSIG (T,C) GBFSIG calcula
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eV). At present the values recommen
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calculated dE dx − dE measured dx
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Figure 43: Stopping powers in Carbo
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esults can be seen in table 2 and 3
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VALUE = GBRSGM (Z,T,BCUT) Z T BCUT
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The functions F i (Z,X,Y) (i = σ,
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This common contains the threshold
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ITR3D track being scanned (used tog
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NCLAS1 NCLAS2 NCLAS3 IHOLE CGXMIN C
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* PARAMETER (MAXJMP=30) COMMON/GCJU
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GYMAX GZMIN GZMAX GXXXX GYYYY GZZZZ
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DENS density of current material in
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RADDEG radiants to degrees conversi
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PCUTNE parameterisation threshold f
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SMULS SOMULS STMULS DPHYS3 ILABS SL
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NTETA TETMIN TETMAX MODTET number o
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S2 S3 SS1 SS2 SS3 LEP IPORLI ISUBLI
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CFIELD constant for field step eval
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NEXT 1 particle has reached the bou
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C COMMON/GCVOL2/NLEVE2,NAMES2(15),N
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STEP PLIN PLOG BE2 PLASM TRNSMA BOS
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C ESHELL - Shells potentials in eV
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Geant 3.11 GEANT User’s Guide ZZZ
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GFKINE KINE001, KINE100, KINE199 GF
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GPSTAT GEOM700 GPTMED CONS001, CONS
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