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!Environment Canada - Atmospheric Science and Technology License/Disclaimer,
!                     version 3; Last Modified: May 7, 2008.
!This is free but copyrighted software; you can use/redistribute/modify it under the terms
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!
C
C  X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
C

      subroutine vproj(pout,pin,knbmod) 12,1
*
***s/r vproj  - Performs a vertical normal mode projection of input field.
*
*Author  : Luc Fillion - 25 Nov. 2008.
*Revision:
*
*     -------------------
**    Purpose: Used for LAM4D analysis
*
*Arguments
*
* out:
*     pout    = Vertically projected field
*
* in:
*     pin    = Input field in gridpoint space.
*
      implicit none
#include "taglam4d.cdk"
#include "comdim.cdk"
#include "comcst.cdk"
#include "comlun.cdk"
#include "comode.cdk"
#include "comin.cdk"
!
      integer knbmod
      real*8 pout(ni,nflev,nj)
      real*8 pin(ni,nflev,nj)
!
      integer ji,jj,jk
!
      real*8 zvert1(nflev),zvert2(nflev)
*
**
!      write(nulout,*) 'VPROJ BEGINS'
!
      do jj=1,nj
        do ji=1,ni
          do jk=1,nflev
            zvert1(jk)=pin(ji,jk,jj) 
          enddo
          call mxv(zvert2,vinv,zvert1,nflev,nflev)
          do jk=1,knbmod
            pout(ji,jk,jj) = zvert2(jk) 
          enddo
        enddo
      enddo
!
      do jj=1,nj
        do ji=1,ni
          do jk=knbmod+1,nflev
            pout(ji,jk,jj) = 0.0
          enddo
        enddo
      enddo
!
      return
      end