Support for XISF
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// ____ ______ __
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// / __ \ / ____// /
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// / /_/ // / / /
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// / ____// /___ / /___ PixInsight Class Library
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// /_/ \____//_____/ PCL 2.4.23
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// ----------------------------------------------------------------------------
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// pcl/Translation.h - Released 2022-03-12T18:59:29Z
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// ----------------------------------------------------------------------------
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// This file is part of the PixInsight Class Library (PCL).
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// PCL is a multiplatform C++ framework for development of PixInsight modules.
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//
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// Copyright (c) 2003-2022 Pleiades Astrophoto S.L. All Rights Reserved.
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//
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// Redistribution and use in both source and binary forms, with or without
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// modification, is permitted provided that the following conditions are met:
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//
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// 1. All redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// 2. All redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the names "PixInsight" and "Pleiades Astrophoto", nor the names
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// of their contributors, may be used to endorse or promote products derived
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// from this software without specific prior written permission. For written
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// permission, please contact info@pixinsight.com.
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//
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// 4. All products derived from this software, in any form whatsoever, must
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// reproduce the following acknowledgment in the end-user documentation
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// and/or other materials provided with the product:
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//
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// "This product is based on software from the PixInsight project, developed
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// by Pleiades Astrophoto and its contributors (https://pixinsight.com/)."
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//
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// Alternatively, if that is where third-party acknowledgments normally
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// appear, this acknowledgment must be reproduced in the product itself.
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//
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// THIS SOFTWARE IS PROVIDED BY PLEIADES ASTROPHOTO AND ITS CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL PLEIADES ASTROPHOTO OR ITS
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, BUSINESS
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// INTERRUPTION; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; AND LOSS OF USE,
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// DATA OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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// ----------------------------------------------------------------------------
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#ifndef __PCL_Translation_h
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#define __PCL_Translation_h
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/// \file pcl/Translation.h
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#include <pcl/Defs.h>
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#include <pcl/Diagnostics.h>
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#include <pcl/GeometricTransformation.h>
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#include <pcl/ParallelProcess.h>
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namespace pcl
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{
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// ----------------------------------------------------------------------------
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/*!
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* \class Translation
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* \brief %Image translation algorithm.
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*
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* ### TODO: Write a detailed description for %Translation
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*/
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class PCL_CLASS Translation : public InterpolatingGeometricTransformation,
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public ParallelProcess
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{
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public:
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/*!
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* Constructs a %Translation object using the specified pixel interpolation
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* \a p, with translation increments \a dx and \a dy in pixels.
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*
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* The specified pixel interpolation object \a p must remain valid while
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* this object exists.
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*/
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Translation( PixelInterpolation& p, double dx = 0, double dy = 0 )
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: InterpolatingGeometricTransformation( p )
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, m_delta( dx, dy )
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{
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}
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/*!
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* Constructs a %Translation object using the specified pixel interpolation
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* \a p, with translation increments in pixels given by the components of a
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* point \a d in the plane.
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*
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* The specified pixel interpolation object \a p must remain valid while
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* this object exists.
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*/
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Translation( PixelInterpolation& p, const DPoint& d )
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: InterpolatingGeometricTransformation( p )
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, m_delta( d )
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{
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}
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/*!
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* Copy constructor.
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*/
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Translation( const Translation& ) = default;
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/*!
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* Returns the translation increments in pixels for both axes, as the
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* corresponding components of a point in the plane.
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*/
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const DPoint& Delta() const
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{
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return m_delta;
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}
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/*!
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* Returns the horizontal translation increment in pixels.
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*/
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double DeltaX() const
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{
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return m_delta.x;
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}
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/*!
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* Returns the vertical translation increment in pixels.
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*/
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double DeltaY() const
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{
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return m_delta.y;
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}
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/*!
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* Sets the translation increments in pixels as the components of a point
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* \a d in the plane.
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*/
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void SetDelta( const DPoint& d )
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{
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m_delta = d;
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}
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/*!
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* Sets the translation increments \a dx and \a dy in pixels.
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*/
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void SetDelta( double dx, double dy )
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{
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m_delta.x = dx; m_delta.y = dy;
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}
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/*!
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* Returns the current vector of per-channel filling values for uncovered
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* image regions.
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*
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* See the documentation for SetFillValues() for more information.
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*/
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const DVector& FillValues() const
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{
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return m_fillValues;
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}
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/*!
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* Sets a vector of per-channel filling values for uncovered image regions.
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*
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* Uncovered regions result each time an image is translated. Note that
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* uncovering can be \e partial for one row or column of pixels, when
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* fractional displacements are applied in the corresponding plane
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* directions.
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*
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* By default, there are no filling values defined (and hence the returned
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* vector is empty by default). When the %Translation instance is executed
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* and a filling value is not defined for a channel of the target image,
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* uncovered regions are filled with the minimum sample value in the native
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* range of the image (usually zero).
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*/
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void SetFillValues( const DVector& fillValues )
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{
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m_fillValues = fillValues;
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}
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/*!
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*/
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void GetNewSizes( int& width, int& height ) const override
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{
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// No changes
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}
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protected:
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DPoint m_delta; // displacements in pixels
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DVector m_fillValues;
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// Inherited from ImageTransformation.
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void Apply( pcl::Image& ) const override;
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void Apply( pcl::DImage& ) const override;
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void Apply( pcl::UInt8Image& ) const override;
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void Apply( pcl::UInt16Image& ) const override;
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void Apply( pcl::UInt32Image& ) const override;
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};
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// ----------------------------------------------------------------------------
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} // pcl
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#endif // __PCL_Translation_h
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// ----------------------------------------------------------------------------
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// EOF pcl/Translation.h - Released 2022-03-12T18:59:29Z
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