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87c1372744
The merge commit --------- Co-authored-by: shyamthyagarajan <shyammuralithyagarajan@gmail.com> Co-authored-by: Lundkvist <alundkvi@ndc.nasa.gov> Co-authored-by: lundkvistarn <lundkvistarn@live.se> Co-authored-by: Alexander Bock <mail@alexanderbock.eu> Co-authored-by: Emma Broman <emma.broman@liu.se> Co-authored-by: Alexander Bock <alexander.bock@liu.se>
76 lines
3.5 KiB
C++
76 lines
3.5 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2025 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#ifndef __OPENSPACE_MODULE_FITSFILEREADER___WSAFITSHELPER___H__
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#define __OPENSPACE_MODULE_FITSFILEREADER___WSAFITSHELPER___H__
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#include <ghoul/io/texture/texturereader.h>
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#include <ghoul/opengl/texture.h>
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#include <valarray>
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namespace CCfits {
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class FITS;
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class PHDU;
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class ExtHDU;
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} // namespace CCfits
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namespace openspace {
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template<typename T>
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struct ImageData {
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std::valarray<T> contents;
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int width;
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int height;
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};
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/**
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* Load image from a FITS file into a texture.
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*
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* \param path The path to the FITS file
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* \param layerIndex The index of the layer to load from the FITS file
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* \param minMax The minimum and maximum value range in which to cap the data between
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Values outside of range will be overexposed
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\return The texture created from the layer in the file with the set min-max range
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*/
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std::unique_ptr<ghoul::opengl::Texture> loadTextureFromFits(
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const std::filesystem::path& path, size_t layerIndex,
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const std::pair<float, float>& minMax);
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void readFitsHeader(const std::filesystem::path& path);
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/**
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* Get the number of data layers in a FITS file.
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*
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* \param path The path to the FITS file
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* \return The number of layers in the FITS file
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*/
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int nLayers(const std::filesystem::path& path);
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template<typename T, typename U>
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std::shared_ptr<ImageData<T>> readImageInternal(U& image);
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} // namespace openspace
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#endif // __OPENSPACE_MODULE_FITSFILEREADER___WSAFITSHELPER___H__
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