C **********************************************************************
C=* FROM: SPIDER - MODULAR IMAGE PROCESSING SYSTEM.   AUTHOR: J.FRANK  *
C=* Copyright (C) 1985-2005  Health Research Inc.                      *
C=*                                                                    *
C=* HEALTH RESEARCH INCORPORATED (HRI),                                *   
C=* ONE UNIVERSITY PLACE, RENSSELAER, NY 12144-3455.                   *
C=*                                                                    *
C=* Email:  spider@wadsworth.org                                       *
C=*                                                                    *
C=* This program is free software; you can redistribute it and/or      *
C=* modify it under the terms of the GNU General Public License as     *
C=* published by the Free Software Foundation; either version 2 of the *
C=* License, or (at your option) any later version.                    *
C=*                                                                    *
C=* This program is distributed in the hope that it will be useful,    *
C=* but WITHOUT ANY WARRANTY; without even the implied warranty of     *
C=* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  *
C=* General Public License for more details.                           *
C=*                                                                    *
C=* You should have received a copy of the GNU General Public License  *
C=* along with this program; if not, write to the                      *
C=* Free Software Foundation, Inc.,                                    *
C=* 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.      *
C=*                                                                    *
C **********************************************************************
        SUBROUTINE prjs2
C       --------------------
C
C THIS ROUTINE PERFORMS A PROJECTION FROM IMAGE TO DATA SPACE...
	PARAMETER  (NILMAX=560)
	COMMON     DUMMY(80),BUF(1024),ILIST(NILMAX),
     A    NSAM,NROW,NANG,NN,NMAT,
     1	  LTB,LTBN,K_ANG,K_DM,K_LB,K_MAP,K_IPCUBE,
     2	  K_BCKE,K_PROJ,K_BCN,K_PRN,k_sigma,
     3    KDM(7),
     4	  IUNIT,Q(1)

	CALL  PRJC2
     &  (Q(K_BCKE),NMAT,Q(K_DM),NANG,Q(K_PRN),q(k_ipcube),NN,NSAM)
        END