C  @(#)ftddvi.for	17.1.1.1 (ESO-DMD) 01/25/02 17:10:44 
C===========================================================================
C Copyright (C) 1995 European Southern Observatory (ESO)
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 
C the 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
C GNU General Public License for more details.
C
C You should have received a copy of the GNU General Public 
C License along with this program; if not, write to the Free 
C Software Foundation, Inc., 675 Massachusetss Ave, Cambridge, 
C MA 02139, USA.
C
C Corresponding concerning ESO-MIDAS should be addressed as follows:
C	Internet e-mail: midas@eso.org
C	Postal address: European Southern Observatory
C			Data Management Division 
C			Karl-Schwarzschild-Strasse 2
C			D 85748 Garching bei Muenchen 
C			GERMANY
C===========================================================================
C
      SUBROUTINE FTDDVI(NAME,MASK,ISTAT)                                        
C++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++                   
C.COPYRIGHT: Copyright (c) 1987 European Southern Observatory,                  
C                                         all rights reserved                   
C                                                                               
C.VERSION: 1.0  ESO-FORTRAN Conversion, AA  17:25 - 13 JAN 1988                 
C                                                                               
C.LANGUAGE: F77+ESOext                                                          
C                                                                               
C.AUTHOR: J.D.PONZ                                                              
C                                                                               
C.IDENTIFICATION                                                                
C                                                                               
C  FITLIB.FOR   VERSION 1.0  27 MAR 1984                                        
C                                                                               
C.PURPOSE                                                                       
C                                                                               
C  INTERFACE ROUTINES FOR THE FITTING STRUCTURES                                
C DEFINE NEW DEPENDENT VARIABLE FOR OUTPUT                                      
C DEPENDENT VARIABLE IS THE IMAGE DATA                                          
C INDEPENDENT VARIABLES ARE IMAGE AXES ALREADY DEFINED                          
C                                                                               
C.ALGORITHM                                                                     
C                                                                               
C  USE MIDAS I/O INTERFACES TO FRAMES AND TABLES                                
C                                                                               
C.KEYWORDS                                                                      
C                                                                               
C  NON LINEAR FITTING                                                           
C                                                                               
C                                                                               
C----------------------------------------------------------------               
C                                                                               
C                                                                               
C INPUT PARAMETERS                                                              
C NAME CHAR IMAGE NAME                                                          
C MASK CHAR OPTIONAL WEIGHTING MASK                                             
C   BLANKS IF NOT USED                                                          
C                                                                               
C OUTPUT PARAMETERS                                                             
C ISTAT INTG STATUS RETURN                                                      
C                                                                               
      IMPLICIT NONE                                                            
      CHARACTER*(*) NAME,MASK                                                   
      CHARACTER UNIT*72,IDENT*72                                                
      INTEGER   ISTAT, J, IPTR
      DOUBLE PRECISION DSTART(8), DSTEP(8)
C
       INCLUDE 'MID_INCLUDE:ST_DEF.INC/NOLIST'                                     
       INCLUDE 'MID_INCLUDE:FITI.INC/NOLIST'                                     
       INCLUDE 'MID_INCLUDE:FITC.INC/NOLIST'                                     
       INCLUDE 'MID_INCLUDE:ST_DAT.INC/NOLIST'                                     
C                                                                               
C CREATE OPTIONAL MASK                                                          
C                                                                               
      UNIT = ' '
      IF (MASK(1:1).EQ.' ') THEN                                                
          FZPTRM = 0                                                          
      ELSE                                                                      
          IDENT  = ' WEIGHT MASK '                                              
          DO 5 J = 1, FZNAXIS
            DSTART(J) = FZSTART(J)
            DSTEP(J)  = FZSTEP(J)
5         CONTINUE
          CALL STIPUT(MASK,D_R4_FORMAT,F_O_MODE,F_IMA_TYPE,
     .     FZNAXIS,FZNPIX,DSTART,DSTEP,IDENT,         
     .            UNIT,IPTR,FZIDEN,ISTAT)                                              
C          CALL SXIPUT(MASK,'O',FZNAXIS,FZNPIX,FZSTART,FZSTEP,           
C     +                IDENT,UNIT,IPTR,ISTAT)                                    
          FZPTRM = IPTR                                                       
      END IF                                                                    
C                                                                               
C WRITE IMAGE                                                                   
C                                                                               
      IDENT  = ' FITTED IMAGE'                                                  
C      CALL SXIPUT(NAME,'O',FZNAXIS,FZNPIX,FZSTART,FZSTEP,IDENT,         
C     +            UNIT,IPTR,ISTAT)                                              
      DO 10 J = 1, FZNAXIS
          DSTART(J) = FZSTART(J)
          DSTEP(J)  = FZSTEP(J)
10    CONTINUE
      CALL STIPUT(NAME,D_R4_FORMAT,F_O_MODE,F_IMA_TYPE,
     .     FZNAXIS,FZNPIX,DSTART,DSTEP,IDENT,         
     .            UNIT,IPTR,FZIDEN,ISTAT)                                              
      FZPTRI = IPTR                                                           
C                                                                               
C CHANGE VARIABLES IN THE COMMON AREA                                           
C                                                                               
      FZNAME = NAME                                                           
      FZTYPE = 'BDF '                                                         
      FZMAPPED = 1                                                            
      RETURN                                                                    
      END