C++*********************************************************************
C
C $$ SUMAP.FOR
C
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 **********************************************************************
C
C
C IMAGE_PROCESSING_ROUTINE
C
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C--*********************************************************************


        SUBROUTINE SUMAP(
     &  ANGOLD,XSHOLD,YSHOLD,ANGNEW,XSHNEW,YSHNEW,ANGSUM,XSHSUM,YSHSUM)
        PARAMETER (QUADPI = 3.141592653589793238462643383279502884197)
        PARAMETER (DGR_TO_RAD = (QUADPI/180))

        C=COS(ANGNEW*DGR_TO_RAD)
        S=-SIN(ANGNEW*DGR_TO_RAD)
        XSHSUM=XSHNEW+XSHOLD*C-YSHOLD*S
        YSHSUM=YSHNEW+XSHOLD*S+YSHOLD*C
        ANGSUM=AMOD(ANGNEW+ANGOLD,360.0)
        END