ObitImageDesc.h

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/* $Id: ObitImageDesc.h,v 1.7 2007/08/31 17:24:48 bcotton Exp $   */
/*--------------------------------------------------------------------*/
/*;  Copyright (C) 2003-2007                                          */
/*;  Associated Universities, Inc. Washington DC, USA.                */
/*;  This program is free software; you can redistribute it and/or    */
/*;  modify it under the terms of the GNU General Public License as   */
/*;  published by the Free Software Foundation; either version 2 of   */
/*;  the License, or (at your option) any later version.              */
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/*;  This program is distributed in the hope that it will be useful,  */
/*;  but WITHOUT ANY WARRANTY; without even the implied warranty of   */
/*;  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the    */
/*;  GNU General Public License for more details.                     */
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/*;  You should have received a copy of the GNU General Public        */
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/*; Correspondence about this software should be addressed as follows:*/
/*;         Internet email: bcotton@nrao.edu.                         */
/*;         Postal address: William Cotton                            */
/*;                         National Radio Astronomy Observatory      */
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/*--------------------------------------------------------------------*/
#ifndef OBITIMAGEDESC_H 
#define OBITIMAGEDESC_H 
#include "Obit.h"
#include "ObitErr.h"
#include "ObitInfoList.h"

/*-------- Obit: Software for the recently deceased ------------------*/
/*----------------- Macroes ---------------------------*/
#define ObitImageDescUnref(in) ObitUnref (in)

#define ObitImageDescRef(in) ObitRef (in)

#define ObitImageDescIsA(in) ObitIsA (in, ObitImageDescGetClass())

#define IM_MAXDIM 7       /* maximum array dimension */

#define IMLEN_VALUE 41

#define IMLEN_KEYWORD 21

/*-------------- enumerations -------------------------------------*/
enum obitCoordType {
  OBIT_Equatorial, 
  OBIT_Galactic,  
  OBIT_Ecliptic
}; /* end enum obitCoordType */
typedef enum obitCoordType ObitCoordType;
/*--------------Class definitions-------------------------------------*/
typedef struct {
#include "ObitImageDescDef.h"  /* actual definitions */
} ObitImageDesc;

/*---------------Public functions---------------------------*/
void ObitImageDescClassInit (void);

ObitImageDesc* newObitImageDesc (gchar *name);

gconstpointer ObitImageDescGetClass (void);

ObitImageDesc* 
ObitImageDescCopy (ObitImageDesc* in, 
                   ObitImageDesc* out, ObitErr *err);

void ObitImageDescCopyDesc (ObitImageDesc* in, ObitImageDesc* out,
                         ObitErr *err);

ObitImageDesc* ObitImageDescDefault (gchar *name);

void ObitImageDescCo (ObitImageDesc* in, ObitImageDesc* out,
                         ObitErr *err);

void ObitImageDescIndex (ObitImageDesc* in);

gboolean ObitImageDescCvtPixel(ObitImageDesc* in, ObitImageDesc* out, 
                               gfloat *inPixel, gfloat *outPixel, ObitErr *err);

gboolean 
ObitImageDescCvtZern(ObitImageDesc* in, ObitImageDesc* out, 
                     gint nZern, gfloat *ZCoef,
                     gfloat *inPixel, gfloat *outPixel, ObitErr *err);

void ObitImageDescGetPos(ObitImageDesc* in, gfloat *inPixel, 
                         gdouble *pos, ObitErr *err);

void ObitImageDescGetPixel(ObitImageDesc* in, gdouble *pos, 
                           gfloat *outPixel, ObitErr *err);

gboolean ObitImageDescOverlap(ObitImageDesc *in1, ObitImageDesc *in2, ObitErr *err);

gfloat ObitImageDescRotate(ObitImageDesc *in);

void ObitImageDescGetPoint(ObitImageDesc *in, gdouble *RAPnt, gdouble *DecPnt);

gfloat ObitImageDescAngle (ObitImageDesc *in, gfloat y, gfloat x);

/*-------------------Class Info--------------------------*/
typedef struct  {
#include "ObitImageDescClassDef.h" /* Actual definition */
} ObitImageDescClassInfo; 

#endif /* OBITIMAGEDESC_H */ 

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