355 lines
10 KiB
Fortran
Executable File
355 lines
10 KiB
Fortran
Executable File
subroutine rotatept(imsgin,xmsgin,cmsgin,msgtype,nwds,ierror)
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C
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C
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C#######################################################################
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C
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C PURPOSE -
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C
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C THIS SUBROUTINE IS USED TO ROTATE PART OF THE MESH
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C ABOUT A CENTER POINT THROUGH THE ANGLES THETA AND PHI.
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c only node coordinates are rotated - all other mesh
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c attributes are unchanged
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C
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C FORMAT: ROTATE/ipstart/ipend/ipstep/ copy/
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C xcen/ycen/zcen/theta/phi
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C FORMAT: ROTATE/ipstart/ipend/ipstep/nocopy/
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C xcen/ycen/zcen/theta/phi
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C
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C NOTE: THETA - IS ABOUT THE Z-AXIS
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C PHI - IS ABOUT THE X-AXIS IN THE XY-PLANE
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C
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C INPUT ARGUMENTS -
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C
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C imsgin() - Integer array of command input tokens
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C xmsgin() - Real array of command input tokens
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C cmsgin() - Character array of command input tokens
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C msgtype() - Integer array of command input token types
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C nwds - Number of command input tokens
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C
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C OUTPUT ARGUMENTS -
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C
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C ierror - Error Return Code (==0 ==> OK, <>0 ==> Error)
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C
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C CHANGE HISTORY -
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C
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C $Log: rotatept.f,v $
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C Revision 2.00 2007/11/09 20:04:02 spchu
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C Import to CVS
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C
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CPVCS
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CPVCS Rev 1.3 04 Jun 2002 09:32:02 dcg
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CPVCS fix typo
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CPVCS
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CPVCS Rev 1.2 20 Mar 2002 15:13:02 dcg
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CPVCS rewrite of subroutine with simpler algorithm
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CPVCS
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CPVCS Rev 1.1 08 Sep 2000 09:26:32 dcg
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CPVCS check correct input argument for numeric or character type pset designation
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CPVCS
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CPVCS Rev 1.0 26 Jan 2000 15:10:46 dcg
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CPVCS Initial revision.
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CPVCS
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CPVCS Rev 1.11 Mon Apr 14 17:00:10 1997 pvcs
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CPVCS No change.
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CPVCS
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CPVCS Rev 1.10 Fri Oct 25 16:57:18 1996 dcg
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CPVCS use multiplier icopy in all places needed
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CPVCS
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CPVCS Rev 1.9 Thu Feb 08 14:09:10 1996 dcg
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CPVCS add loop on mesh object attributes
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CPVCS
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CPVCS Rev 1.8 Tue Feb 06 12:41:22 1996 dcg
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CPVCS add attribute loop
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CPVCS
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CPVCS Rev 1.7 11/16/95 15:22:36 dcg
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CPVCS replace character literals in calls
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CPVCS
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CPVCS Rev 1.6 11/07/95 17:25:40 dcg
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CPVCS change flag to 2 in mmgetblk calls
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CPVCS
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CPVCS Rev 1.5 09/19/95 13:10:12 dcg
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CPVCS add primative syntax checking
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CPVCS
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CPVCS Rev 1.4 07/13/95 09:03:46 ejl
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CPVCS Cleaned up interface of rotatept, rotateln, copypts.
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CPVCS
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CPVCS Rev 1.3 05/26/95 13:13:36 het
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CPVCS Replace subroutine parameter list with subroutine calles.
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CPVCS
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CPVCS Rev 1.2 02/18/95 06:57:14 het
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CPVCS Changed the parameter list to be the same as pntlimc
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CPVCS
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CPVCS Rev 1.1 01/04/95 22:05:16 llt
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CPVCS unicos changes (made by het)
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CPVCS
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CPVCS Rev 1.0 11/10/94 12:18:26 pvcs
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CPVCS Original version.
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C
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C#######################################################################
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C
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implicit none
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C
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C#######################################################################
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C
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integer nwds, imsgin(nwds), msgtype(nwds)
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REAL*8 xmsgin(nwds)
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character*(*) cmsgin(nwds)
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C
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integer ierror
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C
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C#######################################################################
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C
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pointer (ipisetwd,isetwd)
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pointer (ipitp1,itp1)
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integer isetwd(1000000),itp1(1000000)
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C
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pointer (ipxic, xic)
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pointer (ipyic, yic)
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pointer (ipzic, zic)
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REAL*8 xic(1000000), yic(1000000), zic(1000000)
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C
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C#######################################################################
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C
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character*32 iword
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character*32 isubname, cmo
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character*32 ich1,ich2,ich3
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integer length,ierrw,
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* i1,icount,ipts,icopy,mpno,ipt1,ipt2,ipt3,ipointi,
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* ipointj,ityp,icscode,npoints,icmotype,ilen,ii
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real*8 xcen,ycen,zcen,theta,phi,xnew,ynew,znew,xold,yold,zold
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C
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pointer(ipmpary, mpary )
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integer mpary(1000000)
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C
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character*132 logmess
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C
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C#######################################################################
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C
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isubname='rotatept'
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call cmo_get_name(cmo,icscode)
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if (icscode .ne. 0) call x3d_error(isubname,'cmo_get_name')
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C
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call cmo_get_info('nnodes',cmo,npoints,length,icmotype,icscode)
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if (icscode .ne. 0) call x3d_error(isubname,'cmo_get_info')
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call cmo_get_info('isetwd',cmo,ipisetwd,ilen,ityp,icscode)
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if (icscode .ne. 0) call x3d_error(isubname,'cmo_get_info')
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call cmo_get_info('itp1',cmo,ipitp1,ilen,ityp,icscode)
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if (icscode .ne. 0) call x3d_error(isubname,'cmo_get_info')
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C
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call cmo_get_info('ipointi',cmo,ipointi,ilen,ityp,icscode)
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if (icscode .ne. 0) call x3d_error(isubname,'get_info_i')
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call cmo_get_info('ipointj',cmo,ipointj,ilen,ityp,icscode)
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if (icscode .ne. 0) call x3d_error(isubname,'get_info_i')
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C
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ipointi = max(1,ipointi)
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if(ipointj.eq.0) ipointj = max(1,npoints)
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C
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C ..................................................................
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C CHECK TO POINT LIMITS AND TRANSLATE THEM TO VALID LIMITS IF
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C NECESSARY.
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C
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if(msgtype(2).eq.1.and.imsgin(2).eq.0) then
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imsgin(2)=ipointi
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endif
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if(msgtype(3).eq.1.and.imsgin(3).eq.0) then
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imsgin(3)=ipointj
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endif
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if(msgtype(4).eq.1.and.imsgin(4).eq.0) then
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imsgin(4)=1
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endif
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C
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call mmgetblk('mpary',isubname,ipmpary,npoints,2,icscode)
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if (icscode .ne. 0) call x3d_error(isubname,'mmgetblk')
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C
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C Set the point index boundaries
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C
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ich1=' '
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ich2=' '
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ich3=' '
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C
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if(msgtype(2).eq.1) then
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ipt1=imsgin(2)
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ipt2=imsgin(3)
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ipt3=imsgin(4)
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if(nwds.eq.2) then
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ipt2=ipt1
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ipt3=1
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elseif(nwds.eq.3) then
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ipt3=1
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endif
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call pntlimn(ipt1,ipt2,ipt3,ipmpary,mpno,ipointj,isetwd,itp1)
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else
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ich1=cmsgin(2)
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ich2=cmsgin(3)
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ich3=cmsgin(4)
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call pntlimc(ich1,ich2,ich3,ipmpary,mpno,ipointj,isetwd,itp1)
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endif
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C
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if(msgtype(5).eq.3) then
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iword=cmsgin(5)
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else
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iword=' '
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endif
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C
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if(iword(1:4).eq.'copy') then
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icopy=1
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else
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icopy=0
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endif
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C
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if (icopy .eq. 1) then
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C
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C ...............................................................
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C Before we rotate, first adjust memory if necessary
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C
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npoints=npoints+mpno
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C
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call cmo_set_info('nnodes',cmo,npoints,1,1,icscode)
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if (icscode .ne. 0) call x3d_error(isubname,'cmo_set_info')
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call cmo_newlen(cmo,icscode)
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if (icscode .ne. 0) call x3d_error(isubname,'cmo_newlen')
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C
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endif
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C
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call cmo_get_info('xic',cmo,ipxic,ilen,ityp,icscode)
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if (icscode .ne. 0) call x3d_error(isubname,'cmo_get_info')
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call cmo_get_info('yic',cmo,ipyic,ilen,ityp,icscode)
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if (icscode .ne. 0) call x3d_error(isubname,'cmo_get_info')
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call cmo_get_info('zic',cmo,ipzic,ilen,ityp,icscode)
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if (icscode .ne. 0) call x3d_error(isubname,'cmo_get_info')
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C
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call test_argument_type(5,2,6,imsgin,xmsgin,cmsgin,msgtype,nwds)
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xcen=xmsgin(6)
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ycen=xmsgin(7)
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zcen=xmsgin(8)
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C
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theta=xmsgin(9)
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phi=xmsgin(10)
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C
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ipts=0
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icount=0
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do ii=1,mpno
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i1=mpary(ii)
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icount=icount+1
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xold=xic(i1)
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yold=yic(i1)
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zold=zic(i1)
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call rotate_a_point_lg(xold,yold,zold,xcen,ycen,zcen
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* ,phi,theta,xnew,ynew,znew,ierror)
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if(icopy.eq.0) then
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ipts=i1
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elseif(icopy.eq.1) then
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ipts=ipts+1
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endif
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xic(ipts+icopy*ipointj)=xnew
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yic(ipts+icopy*ipointj)=ynew
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zic(ipts+icopy*ipointj)=znew
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enddo
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C
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if(icopy.eq.1) then
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C
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C ---------------------------------------------------------------
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C SAVE ipointi AND ipointj.
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C
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ipointi=ipointj+1
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ipointj=ipointj+icount
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C
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call cmo_set_info('ipointi',cmo,ipointi,length,icmotype,
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& icscode)
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if (icscode .ne. 0) call x3d_error(isubname,'set_info_i')
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call cmo_set_info('ipointj',cmo,ipointj,length,icmotype,
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& icscode)
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if (icscode .ne. 0) call x3d_error(isubname,'set_info_i')
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C
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C ---------------------------------------------------------------
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C PRINT OUT THE POINT NUMBERS GENERATED
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C
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write(logmess,6000) ipointi, ipointj
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6000 format(' ROTATEPT GENERATED POINTS ',i6,' TO ',i6)
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call writloga('default',0,logmess,0,ierrw)
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C
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endif
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C
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call mmrelblk('mpary',isubname,ipmpary,icscode)
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if (icscode .ne. 0) call x3d_error(isubname,'mmrelblk')
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C
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ierror=0
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C
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return
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end
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c
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c
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c
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subroutine rotate_a_point_lg(x1,y1,z1,xcen,ycen,zcen,phi,theta,
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* xnew,ynew,znew,ierror)
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C
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C#######################################################################
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C
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C PURPOSE -
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C
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C rotate a point at x1,y1,y1 with respect to a center at
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C xcen,ycen,zcen according to the angles theta(down from
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C the z axis) and phi (in the xy plane -from x axis towards y)
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C
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C
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C
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C INPUT ARGUMENTS -
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C x1,y1,y1 coordinates of node to be rotated
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C xcen,ycen,zcen coordinates of center of rotation
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C phi,theta angles of rotation
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C
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C OUTPUT ARGUMENTS -
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C xnew,ynew,znew coordinates of node after rotation
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C ierror - Error Return Code (==0 ==> OK, <>0 ==> Error)
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C
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C#######################################################################
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C
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implicit none
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include 'chydro.h'
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include 'consts.h'
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real*8 x1,y1,z1,xcen,ycen,zcen,phi,theta,xnew,ynew,znew
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integer ierror
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real*8 thetar,phir,radius,radiusq,costheta0,theta0,
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* phi0,thetatot,phitot
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c
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C convert angles to radians
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c
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thetar=theta*pie/180.d0
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phir=phi*pie/180.d0
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c
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c get coordinates of node to be rotated in rtp space with
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c respect to center of rotation
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c
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radiusq = (x1-xcen)**2+(y1-ycen)**2+(z1-zcen)**2
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if(radiusq.le.epsilonr) then
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xnew=x1
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ynew=y1
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znew=z1
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go to 9999
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endif
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radius = sqrt(radiusq)
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costheta0 = (z1-zcen)/radius
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if(abs(costheta0).lt.0.999d0) then
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theta0=acos(costheta0)
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else
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if((z1-zcen).gt.zero) then
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theta0=asin(sqrt((x1-xcen)**2+(y1-ycen)**2)/radius)
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else
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theta0=pie-asin(sqrt((x1-xcen)**2+(y1-ycen)**2)/radius)
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endif
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endif
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phi0=atan2(y1-ycen,x1-xcen)
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thetatot=theta0+thetar
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phitot=phi0+phir
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c
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c reconvert cooridnates back to xyz space
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c
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znew=radius*cos(thetatot)+zcen
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ynew=radius*sin(thetatot)*sin(phitot)+ycen
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xnew=radius*sin(thetatot)*cos(phitot)+xcen
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9999 continue
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return
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end
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