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Dušan Poizl
2022-04-12 08:17:18 +02:00
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3rdparty/include/pcl/WCSKeywords.h
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// ____ ______ __
// / __ \ / ____// /
// / /_/ // / / /
// / ____// /___ / /___ PixInsight Class Library
// /_/ \____//_____/ PCL 2.4.23
// ----------------------------------------------------------------------------
// pcl/WCSKeywords.h - Released 2022-03-12T18:59:29Z
// ----------------------------------------------------------------------------
// This file is part of the PixInsight Class Library (PCL).
// PCL is a multiplatform C++ framework for development of PixInsight modules.
//
// Copyright (c) 2003-2022 Pleiades Astrophoto S.L. All Rights Reserved.
//
// Redistribution and use in both source and binary forms, with or without
// modification, is permitted provided that the following conditions are met:
//
// 1. All redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. All redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the names "PixInsight" and "Pleiades Astrophoto", nor the names
// of their contributors, may be used to endorse or promote products derived
// from this software without specific prior written permission. For written
// permission, please contact info@pixinsight.com.
//
// 4. All products derived from this software, in any form whatsoever, must
// reproduce the following acknowledgment in the end-user documentation
// and/or other materials provided with the product:
//
// "This product is based on software from the PixInsight project, developed
// by Pleiades Astrophoto and its contributors (https://pixinsight.com/)."
//
// Alternatively, if that is where third-party acknowledgments normally
// appear, this acknowledgment must be reproduced in the product itself.
//
// THIS SOFTWARE IS PROVIDED BY PLEIADES ASTROPHOTO AND ITS CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL PLEIADES ASTROPHOTO OR ITS
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, BUSINESS
// INTERRUPTION; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; AND LOSS OF USE,
// DATA OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
// ----------------------------------------------------------------------------
#ifndef __PCL_WCSKeywords_h
#define __PCL_WCSKeywords_h
/// \file pcl/WCSKeywords.h
#include <pcl/Defs.h>
#include <pcl/FITSHeaderKeyword.h>
#include <pcl/Optional.h>
#include <pcl/Property.h>
#include <pcl/String.h>
/*
* Based on original work contributed by Andrés del Pozo.
*/
namespace pcl
{
// ----------------------------------------------------------------------------
class LinearTransformation;
/*!
* \class WCSKeywords
* \brief A structure for management of WCS FITS header keywords and associated
* image properties.
*
* \b References
*
* M. R. Calabretta, E. W. Greisen (2002) <em>Representations of World
* Coordinates in FITS</em>, Astronomy & Astrophysics, 395, 1061-1075,
* 1077-1122.
*
* \ingroup astrometry_support
*/
class PCL_CLASS WCSKeywords
{
public:
Optional<double> objctra; //!< Right ascension coordinate of the center of the image in degrees.
Optional<double> objctdec; //!< Declination coordinate of the center of the image in degrees.
IsoString radesys; //!< Reference system of celestial coordinates.
Optional<double> equinox; //!< Equinox in years for the celestial coordinate system (not applicable if radesys = ICRS | GCRS).
Optional<double> dateobs; //!< Observation start time as a Julian date, UTC timescale.
Optional<double> dateend; //!< Observation end time as a Julian date, UTC timescale.
Optional<double> longobs; //!< Geodetic longitude of the observation location in degrees. Reckoned positive east of the reference meridian.
Optional<double> latobs; //!< Geodetic latitude of the observation location in degrees. Reckoned positive north of the equator.
Optional<double> altobs; //!< Geodetic height of the observation location in meters.
Optional<double> focallen; //!< Focal length in millimeters.
Optional<double> xpixsz; //!< Pixel size in micrometers.
Optional<double> crval1; //!< WCS coordinate at the reference pixel, X axis.
Optional<double> crval2; //!< WCS coordinate at the reference pixel, Y axis.
Optional<double> crpix1; //!< Image coordinate of the reference pixel on the X axis.
Optional<double> crpix2; //!< Image coordinate of the reference pixel on the Y axis.
Optional<double> cd1_1; //!< Rotation and scaling matrix: CDELT1 * cos(CROTA2)
Optional<double> cd1_2; //!< Rotation and scaling matrix: -CDELT2 * sin(CROTA2)
Optional<double> cd2_1; //!< Rotation and scaling matrix: CDELT1 * sin(CROTA2)
Optional<double> cd2_2; //!< Rotation and scaling matrix: CDELT2 * cos(CROTA2)
Optional<double> cdelt1; //!< Plate scale in degrees per pixel at the reference pixel, X axis.
Optional<double> cdelt2; //!< Plate scale in degrees per pixel at the reference pixel, Y axis.
Optional<double> crota1; //!< Rotation angle around the reference pixel in degrees. Same as CROTA2, unused.
Optional<double> crota2; //!< Rotation angle around the reference pixel in degrees.
IsoString ctype1; //!< Coordinate type and projection, X axis.
IsoString ctype2; //!< Coordinate type and projection, Y axis.
Optional<double> pv1_1; //!< Native longitude of the reference point in degrees.
Optional<double> pv1_2; //!< Native latitude of the reference point in degrees.
Optional<double> lonpole; //!< Native longitude of the pole of the coordinate system in degrees.
Optional<double> latpole; //!< Native latitude of the pole of the coordinate system in degrees.
IsoString refSpline; //!< If nonempty, the astrometric solution uses thin plate splines instead of WCS polynomials.
/*!
* Default constructor. Constructs an uninitialized/undefined %WCSKeywords
* object.
*/
WCSKeywords() = default;
/*!
* Copy constructor.
*/
WCSKeywords( const WCSKeywords& ) = default;
/*!
* Constructs a %WCSKeywords object by extracting data from the specified
* arrays of image \a properties and %FITS \a keywords.
*
* Metadata items available as image properties take precedence over
* equivalent %FITS keywords.
*/
WCSKeywords( const PropertyArray& properties, const FITSKeywordArray& keywords = FITSKeywordArray() )
{
Read( properties, keywords );
}
/*!
* Extracts WCS metadata from the specified arrays of image \a properties
* and %FITS \a keywords.
*
* If some metadata items are not included in the \a properties and
* \a keywords arrays, the previously defined items, if any, will be
* preserved.
*
* Metadata items available as image properties take precedence over
* equivalent %FITS keywords.
*/
void Read( const PropertyArray& properties, const FITSKeywordArray& keywords = FITSKeywordArray() );
/*!
*
*/
bool ExtractWorldTransformation( LinearTransformation& transIW, int imageHeight );
};
// ----------------------------------------------------------------------------
} // pcl
#endif // __PCL_WCSKeywords_h
// ----------------------------------------------------------------------------
// EOF pcl/WCSKeywords.h - Released 2022-03-12T18:59:29Z