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|
*DECK TLMVPL
FUNCTION TLMVPL(NDIM,NANGL,NPLOTS,IPLOT,IPLP,DPLPR,DANGLT,XYZL)
*
*-----------------------------------------------------------------------
*
*Purpose:
* To verify that the plane selected crosses the geometry.
*
*Copyright:
* Copyright (C) 2006 Ecole Polytechnique de Montreal
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version
*
*Author(s):
* C. Plamondon, G. Marleau
*
*Parameters: input
* NDIM number of dimensions for problem.
* NANGL number of direction for tracking.
* NPLOTS number of plots.
* IPLOT plot number being processed.
* IPLP integer plot parameters.
* DPLPR real plot parameters.
* DANGLT track directions.
* XYZL mesh limits.
*
*Parameters: output.
* TLMVPL flag to indicate intersection with
* no intersection if TLPVPL<0.
*
*----------
*
*
IMPLICIT NONE
*----
* Subroutine arguments
*----
INTEGER NDIM,NANGL,NPLOTS,IPLOT
INTEGER IPLP(6,NPLOTS)
DOUBLE PRECISION DPLPR(4,NPLOTS),DANGLT(NDIM,NANGL),XYZL(2,3)
*----
* Function type
*----
INTEGER TLMVPL
*----
* Local parameters
*----
INTEGER IOUT
CHARACTER NAMSBR*6
PARAMETER (IOUT=6,NAMSBR='TLMVPL')
DOUBLE PRECISION DZERO,DONE
PARAMETER (DZERO=0.0D0,DONE=1.0D0)
*----
* Local variables
*----
INTEGER IDIR
DOUBLE PRECISION DPLP(4),A,B,C,D,DROITE,G(4),
> XMIN,XMAX,YMIN,YMAX,ZMIN,ZMAX
*----
* Processing starts:
* Initialize TLMVPL
* Verification que le plan croise bien la region 3D
*----
IF(ABS(IPLP(1,IPLOT)) .EQ. 3) THEN
*----
* PLANA
DO IDIR=1,4
DPLP(IDIR)=DPLPR(IDIR,IPLOT)
ENDDO
*----
ELSE IF(ABS(IPLP(1,IPLOT)) .EQ. 4) THEN
*----
* PLANP lines
*----
DO IDIR=1,NDIM
DPLP(IDIR)=DANGLT(IDIR,IPLP(2,IPLOT))
ENDDO
DO IDIR=NDIM+1,3
DPLP(IDIR)=DZERO
ENDDO
ENDIF
A=DPLP(1)
B=DPLP(2)
C=DPLP(3)
D=DPLP(4)
XMIN=XYZL(1,1)
XMAX=XYZL(2,1)
YMIN=XYZL(1,2)
YMAX=XYZL(2,2)
ZMIN=XYZL(1,3)
ZMAX=XYZL(2,3)
TLMVPL=0
IF(NDIM .EQ. 3) THEN
*----
* Verification que le plan
* A*B+B*Y+C*Z=D
* croise bien la region 3D
*----
IF(A .EQ. DZERO) THEN
IF(B .EQ. DZERO) THEN
IF(C .EQ. DZERO) THEN
TLMVPL=-8
WRITE(IOUT,9000) NAMSBR,A,B,C,D
ELSE
DROITE=D/C
IF(DROITE .LE. ZMAX .AND. DROITE .GE. ZMIN) THEN
TLMVPL=1
ELSE
TLMVPL=-1
WRITE(IOUT,9001) NAMSBR,'ZZ',A,B,C,D
ENDIF
ENDIF
ELSE IF(C .EQ. DZERO) THEN
DROITE=D/B
IF(DROITE .LE. YMAX .AND. DROITE .GE. YMIN) THEN
TLMVPL=1
ELSE
TLMVPL=-2
WRITE(IOUT,9001) NAMSBR,'YY',A,B,C,D
ENDIF
ELSE
G(1)=(D-B*YMIN)/C
G(2)=(D-B*YMAX)/C
G(3)=(D-C*ZMIN)/B
IF(G(1) .LT. ZMAX .AND. G(1) .GT. ZMIN) THEN
TLMVPL=1
ELSE IF(G(2) .LT. ZMAX .AND. G(2) .GT. ZMIN) THEN
TLMVPL=1
ELSE IF(G(3) .LT. YMAX .AND. G(3) .GT. YMIN) THEN
TLMVPL=1
ELSE
G(1)=(D-(B*(YMIN+YMAX)/2))/C
G(2)=(D-(C*(ZMIN+ZMAX)/2))/B
IF(G(1) .LE. ZMAX .AND. G(1) .GE. ZMIN) THEN
TLMVPL=1
ELSE IF(G(2) .LE. YMAX .AND. G(2) .GE. YMIN) THEN
TLMVPL=1
ELSE
TLMVPL=-3
WRITE(IOUT,9001) NAMSBR,'YZ',A,B,C,D
ENDIF
ENDIF
ENDIF
ELSE IF(B .EQ. 0) THEN
IF(C .EQ. 0) THEN
DROITE=D/A
IF(DROITE .LE. XMAX .AND. DROITE .GE. XMIN) THEN
TLMVPL=1
ELSE
TLMVPL=-4
WRITE(IOUT,9001) NAMSBR,'XX',A,B,C,D
ENDIF
ELSE
G(1)=(D-A*XMIN)/C
G(2)=(D-A*XMAX)/C
G(3)=(D-C*ZMIN)/A
IF(G(1) .LT. ZMAX .AND. G(1) .GT. ZMIN) THEN
TLMVPL=1
ELSE IF(G(2) .LT. ZMAX .AND. G(2) .GT. ZMIN) THEN
TLMVPL=1
ELSE IF(G(3) .LT. XMAX .AND. G(3) .GT. XMIN) THEN
TLMVPL=1
ELSE
G(1)=(D-(A*(XMIN+XMAX)/2))/C
G(2)=(D-(C*(ZMIN+ZMAX)/2))/A
IF(G(1) .LE. ZMAX .AND. G(1) .GE. ZMIN) THEN
TLMVPL=1
ELSE IF(G(2) .LE. XMAX .AND. G(2) .GE. XMIN) THEN
TLMVPL=1
ELSE
TLMVPL=-5
WRITE(IOUT,9001) NAMSBR,'XY',A,B,C,D
ENDIF
ENDIF
ENDIF
ELSE IF(C .EQ. 0) THEN
G(1)=(D-A*XMIN)/B
G(2)=(D-A*XMAX)/B
G(3)=(D-B*YMIN)/A
IF(G(1) .LT. YMAX .AND. G(1) .GT. YMIN) THEN
TLMVPL=1
ELSE IF(G(2) .LT. YMAX .AND. G(2) .GT. YMIN) THEN
TLMVPL=1
ELSE IF(G(3) .LT. XMAX .AND. G(3) .GT. XMIN) THEN
TLMVPL=1
ELSE
G(1)=(D-(A*(XMIN+XMAX)/2))/B
G(2)=(D-(B*(YMIN+YMAX)/2))/A
IF(G(1) .LE. YMAX .AND. G(1) .GE. YMIN) THEN
TLMVPL=1
ELSE IF(G(2) .LE. XMAX .AND. G(2) .GE. XMIN) THEN
TLMVPL=1
ELSE
TLMVPL=-6
WRITE(IOUT,9001) NAMSBR,'XZ',A,B,C,D
ENDIF
ENDIF
ELSE
G(1)=(D-A*XMIN-B*YMIN)/C
G(2)=(D-A*XMIN-B*YMAX)/C
G(3)=(D-A*XMAX-B*YMIN)/C
G(4)=(D-A*XMAX-B*YMAX)/C
IF(G(1) .LT. ZMAX .AND. G(1) .GT. ZMIN) THEN
TLMVPL=1
ELSE IF(G(2) .LT. ZMAX .AND. G(2) .GT. ZMIN) THEN
TLMVPL=1
ELSE IF(G(3) .LT. ZMAX .AND. G(3) .GT. ZMIN) THEN
TLMVPL=1
ELSE IF(G(4) .LT. YMAX .AND. G(4) .GT. YMIN) THEN
TLMVPL=1
ELSE
G(1)=(D-C*ZMIN-B*YMIN)/A
G(2)=(D-C*ZMIN-B*YMAX)/A
G(3)=(D-C*ZMAX-B*YMIN)/A
G(4)=(D-C*ZMAX-B*YMAX)/A
IF(G(1) .LT. XMAX .AND. G(1) .GT. XMIN) THEN
TLMVPL=1
ELSE IF(G(2) .LT. XMAX .AND. G(2) .GT. XMIN) THEN
TLMVPL=1
ELSE IF(G(3) .LT. XMAX .AND. G(3) .GT. XMIN) THEN
TLMVPL=1
ELSE IF(G(4) .LT. XMAX .AND. G(4) .GT. XMIN) THEN
TLMVPL=1
ELSE
G(1)=(D-C*ZMIN-A*XMIN)/B
G(2)=(D-C*ZMIN-A*XMAX)/B
G(3)=(D-C*ZMAX-A*XMIN)/B
G(4)=(D-C*ZMAX-A*XMAX)/B
IF(G(1) .LT. YMAX .AND. G(1) .GT. YMIN) THEN
TLMVPL=1
ELSE IF(G(2) .LT. YMAX .AND. G(2) .GT. YMIN) THEN
TLMVPL=1
ELSE IF(G(3) .LT. YMAX .AND. G(3) .GT. YMIN) THEN
TLMVPL=1
ELSE IF(G(4) .LT. YMAX .AND. G(4) .GT. YMIN) THEN
TLMVPL=1
ELSE
G(1)=(D-((C*(ZMIN+ZMAX)/2)+(B*(YMIN+YMAX)/2)))/A
G(2)=(D-((A*(XMIN+XMAX)/2)+(C*(ZMIN+ZMAX)/2)))/B
G(3)=(D-((A*(XMIN+XMAX)/2)+(B*(YMIN+YMAX)/2)))/C
IF(G(1) .LE. XMAX .AND. G(1) .GE. XMIN) THEN
TLMVPL=1
ELSE IF(G(2) .LE. YMAX .AND. G(2) .GE. YMIN) THEN
TLMVPL=1
ELSE IF(G(2) .LE. ZMAX .AND. G(2) .GE. ZMIN) THEN
TLMVPL=1
ELSE
TLMVPL=-7
WRITE(IOUT,9001) NAMSBR,'ZZ',A,B,C,D
ENDIF
ENDIF
ENDIF
ENDIF
ENDIF
ELSE IF(NDIM .EQ. 2) THEN
*----
* Verification que le plan
* A*B+B*Y=D
* croise bien la region 2D (2 PLANS)
*----
IF(A .EQ. 0) THEN
*----
* LIGNE PARALLELE A Y
*----
IF(B .EQ. 0) THEN
TLMVPL=-9
WRITE(IOUT,9010) NAMSBR,A,B,D
ELSE
DROITE=D/B
IF(DROITE .LE. YMAX .AND. DROITE .GE. YMIN) THEN
TLMVPL=1
ELSE
TLMVPL=-10
WRITE(IOUT,9011) NAMSBR,'YY',A,B,D
ENDIF
ENDIF
ELSE IF(B .EQ. 0) THEN
*----
* LIGNE PARALLELE A X
*----
DROITE=D/A
IF(DROITE .LE. XMAX .AND. DROITE .GE. XMIN) THEN
TLMVPL=1
ELSE
TLMVPL=-11
WRITE(IOUT,9011) NAMSBR,'XX',A,B,D
ENDIF
ELSE
*----
* LIGNE DIAGONALE
*----
G(1)=(D-A*XMIN)/B
G(2)=(D-A*XMAX)/B
G(3)=(D-B*YMIN)/A
IF(G(1) .LT. YMAX .AND. G(1) .GT. YMIN) THEN
*----
* PLAN XMIN + UN AUTRE
*----
TLMVPL=1
ELSE IF(G(2) .LT. YMAX .AND. G(2) .GT. YMIN) THEN
*----
* PLAN XMAX + 1 AUTRE
*----
TLMVPL=1
ELSE IF(G(3) .LT. XMAX .AND. G(3) .GT. XMIN) THEN
*----
* PLAN YMIN + 1 AUTRE
*----
TLMVPL=1
ELSE
*----
* 0 OU 1 PLAN
* VERIFIER POUR COINS
* EN TROUVANT L'INTERSECTION AVEC LE PLAN CENTRAL
*----
G(1)=(D-A*(XMIN+XMAX)/2)/B
G(2)=(D-(B*(YMIN+YMAX)/2))/A
IF(G(1) .LT. YMAX .AND. G(1) .GT. YMIN) THEN
*----
* 1 COIN + PLAN CENTRAL EN X
*----
TLMVPL=1
ELSE IF(G(2) .LT. XMAX .AND. G(2) .GT. XMIN) THEN
*----
* 1 COIN + PLAN CENTRAL EN Y
*----
TLMVPL=1
ELSE
*----
* PAS D'INTERSECTION
*----
TLMVPL=-12
WRITE(IOUT,9011) NAMSBR,'XY',A,B,D
ENDIF
ENDIF
ENDIF
ENDIF
*----
* Processing finished, return
*----
RETURN
*----
* Output formats
*----
9000 FORMAT(1X,'***** Warning in ',A6,' *****'/
> 1X,'Invalid equation for 3-D plane : '/
> 1X,F20.10,'*X + ',F20.10,'*Y + ',F20.10,'*Z = ',F20.10)
9001 FORMAT(1X,'***** Warning in ',A6,' *****'/
> 1X,'No intersection between region and plane in ',A2/
> 1X,F20.10,'*X + ',F20.10,'*Y + ',F20.10,'*Z = ',F20.10)
9010 FORMAT(1X,'***** Warning in ',A6,' *****'/
> 1X,'Invalid equation for 2-D plane : '/
> 1X,F20.10,'*X + ',F20.10,'*Y + = ',F20.10)
9011 FORMAT(1X,'***** Warning in ',A6,' *****'/
> 1X,'No intersection between region and LINE in ',A2/
> 1X,F20.10,'*X + ',F20.10,'*Y + = ',F20.10)
END
|
