dsrgnor.F File Reference

#include "implicit_f.inc"
#include "com04_c.inc"

Go to the source code of this file.

Functions/Subroutines
subroutine	dsrgnor (igrsurf, bufsf)

Function/Subroutine Documentation

dsrgnor()

subroutine dsrgnor	(	type (surf_), dimension(nsurf)	igrsurf,
			bufsf )

Definition at line 30 of file dsrgnor.F.

C-----------------------------------------------
C   M o d u l e s
C-----------------------------------------------
      USE groupdef_mod
C-----------------------------------------------                        
C   I m p l i c i t   T y p e s                                         
C-----------------------------------------------                        
#include      "implicit_f.inc"                                          
C-----------------------------------------------                        
C   C o m m o n   B l o c k s                                           
C-----------------------------------------------                        
#include      "com04_c.inc"                                             
C-----------------------------------------------                        
C   D u m m y   A r g u m e n t s                                       
C-----------------------------------------------                        
      my_real                                                           
     .     bufsf(*)                                                     
      TYPE (SURF_)   , DIMENSION(NSURF)   :: IGRSURF
C-----------------------------------------------                        
C   L o c a l   V a r i a b l e s                                       
C-----------------------------------------------                        
      INTEGER I3000,NXX,NYY,NZZ                                         
      INTEGER N,ADRBUF                                                  
      INTEGER INOE, I, J, K, DGR                                        
      my_real xg,yg,zg,a,b,c,rot(9),                                    
     1        an,bn,cn                                                  
      my_real                                                           
     1   ncor(3,384),                                                   
     2   nnor(3,384),                                                   
     3   xa,xb,xc,la,lb,lc,                                             
     4   xl,yl,zl,e,d,                                                  
     5   xln,yln,zln,nxl,nyl,nzl,nx,ny,nz,normn                         
      my_real                                                           
     1   xx0,yy0,zz0,                                                   
     2   x0(6),y0(6),z0(6),dx0(6),dy0(6),dz0(6),dx1(6),dy1(6),dz1(6)    
      REAL R4                                                           
      DATA dx0/ 0., 0., 0., 0., 0., 0./                                 
      DATA dy0/ 1.,-1., 0., 0., 0., 0./                                 
      DATA dz0/ 0., 0.,-1., 1., 1.,-1./                                 
      DATA dx1/ 1., 1., 1., 1., 0., 0./                                 
      DATA dy1/ 0., 0., 0., 0., 1., 1./                                 
      DATA dz1/ 0., 0., 0., 0., 0., 0./                                 
      DATA x0 /-3.5,-3.5,-3.5,-3.5,-3.5, 3.5/                           
      DATA y0 /-3.5, 3.5,-3.5, 3.5,-3.5,-3.5/                           
      DATA z0 /-3.5, 3.5, 3.5,-3.5,-3.5, 3.5/                           
C-----------------------------------------------                        
      i3000 = 3000                                                      
C                                                                       
      DO 200 n=1,nsurf
       IF (igrsurf(n)%TYPE/=101) GOTO 200
       adrbuf=igrsurf(n)%IAD_BUFR
C-------------------------------------------------------                
c      Parametres de l'ellipsoide.                                      
C-------------------------------------------------------                
       dgr=bufsf(adrbuf+36)                                             
       xg=bufsf(adrbuf+4)                                               
       yg=bufsf(adrbuf+5)                                               
       zg=bufsf(adrbuf+6)                                               
       a =bufsf(adrbuf+1)                                               
       b =bufsf(adrbuf+2)                                               
       c =bufsf(adrbuf+3)                                               
       DO i=1,9                                                         
        rot(i)=bufsf(adrbuf+7+i-1)                                      
       END DO                                                           
C-------------------------------------------------------                
C      - Calcul des noeuds sur le cube A,B,C.                           
C-------------------------------------------------------                
       inoe=0                                                           
       DO i = 1,6                                                       
        xx0 = x0(i)                                                     
        yy0 = y0(i)                                                     
        zz0 = z0(i)                                                     
        DO j = 1,8                                                      
          xl = xx0                                                      
          yl = yy0                                                      
          zl = zz0                                                      
          DO k = 1,8                                                    
            inoe=inoe+1                                                 
            ncor(1,inoe) = a*xl * third                                 
            ncor(2,inoe) = b*yl * third                                 
            ncor(3,inoe) = c*zl * third                                 
            xl = xl + dx0(i)                                            
            yl = yl + dy0(i)                                            
            zl = zl + dz0(i)                                            
          ENDDO                                                         
          xx0 = xx0 + dx1(i)                                            
          yy0 = yy0 + dy1(i)                                            
          zz0 = zz0 + dz1(i)                                            
        ENDDO                                                           
       ENDDO                                                            
C-------------------------------------------------------                
C      - Calcul de la normale : projection radiale.                     
C-------------------------------------------------------                
       an=a**dgr                                                        
       bn=b**dgr                                                        
       cn=c**dgr                                                        
       inoe=0                                                           
       DO i=1,384                                                       
        inoe=inoe+1                                                     
        xl=ncor(1,inoe)                                                 
        yl=ncor(2,inoe)                                                 
        zl=ncor(3,inoe)                                                 
C                                                                       
        xln=xl**dgr                                                     
        yln=yl**dgr                                                     
        zln=zl**dgr                                                     
        e=abs(xln)/an+abs(yln)/bn+abs(zln)/cn                           
        e=exp(log(e)/dgr)                                               
        xl=xl/e                                                         
        yl=yl/e                                                         
        zl=zl/e                                                         
C                                                                       
        nxl=xl**(dgr-1)/an                                              
        IF (xl*nxl<zero) nxl=-nxl                                    
        nyl=yl**(dgr-1)/bn                                              
        IF (yl*nyl<zero) nyl=-nyl                                    
        nzl=zl**(dgr-1)/cn                                              
        IF (zl*nzl<zero) nzl=-nzl                                    
        nx  =rot(1)*nxl+rot(4)*nyl+rot(7)*nzl                           
        ny  =rot(2)*nxl+rot(5)*nyl+rot(8)*nzl                           
        nz  =rot(3)*nxl+rot(6)*nyl+rot(9)*nzl                           
        normn  =sqrt(nx*nx+ny*ny+nz*nz)                                 
        nx  =nx/normn                                                   
        ny  =ny/normn                                                   
        nz  =nz/normn                                                   
        nnor(1,inoe)=three1000*nx                                       
        nnor(2,inoe)=three1000*ny                                       
        nnor(3,inoe)=three1000*nz                                       
       END DO                                                           
C-------------------------------------------------------                
C      Ecriture des normales aux noeuds.                                
C-------------------------------------------------------                
       inoe=0                                                           
       DO i=1,384                                                       
        inoe=inoe+1                                                     
        nx = nnor(1,inoe)                                               
        CALL write_s_c(nint(nx),1)                                      
        ny = nnor(2,inoe)                                               
        CALL write_s_c(nint(ny),1)                                      
        nz = nnor(3,inoe)                                               
        CALL write_s_c(nint(nz),1)                                      
       END DO                                                           
C-------------------------------------------------------                
 200   CONTINUE                                                         
      RETURN