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|---|---|---|---|
| 1 | // SPDX-FileCopyrightText: 2022-2023 Dennis Gläser <dennis.glaeser@iws.uni-stuttgart.de> | ||
| 2 | // SPDX-License-Identifier: MIT | ||
| 3 | /*! | ||
| 4 | * \file | ||
| 5 | * \ingroup VTK | ||
| 6 | * \copydoc GridFormat::PVTIReader | ||
| 7 | */ | ||
| 8 | #ifndef GRIDFORMAT_VTK_PVTI_READER_HPP_ | ||
| 9 | #define GRIDFORMAT_VTK_PVTI_READER_HPP_ | ||
| 10 | |||
| 11 | #include <gridformat/vtk/vti_reader.hpp> | ||
| 12 | #include <gridformat/vtk/pxml_reader.hpp> | ||
| 13 | |||
| 14 | namespace GridFormat { | ||
| 15 | |||
| 16 | /*! | ||
| 17 | * \ingroup VTK | ||
| 18 | * \brief Reader for .pvtp file format | ||
| 19 | * \copydetails VTK::PXMLStructuredGridReader | ||
| 20 | */ | ||
| 21 | class PVTIReader : public VTK::PXMLStructuredGridReader<VTIReader> { | ||
| 22 | using ParentType = VTK::PXMLStructuredGridReader<VTIReader>; | ||
| 23 | |||
| 24 | public: | ||
| 25 | 1 | PVTIReader() | |
| 26 |
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2 | : ParentType("PImageData") |
| 27 | 1 | {} | |
| 28 | |||
| 29 | 48 | explicit PVTIReader(const NullCommunicator&) | |
| 30 |
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96 | : ParentType("PImageData") |
| 31 | 48 | {} | |
| 32 | |||
| 33 | template<Concepts::Communicator C> | ||
| 34 | 132 | explicit PVTIReader(const C& comm) | |
| 35 |
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264 | : ParentType("PImageData", comm) |
| 36 | 132 | {} | |
| 37 | |||
| 38 | private: | ||
| 39 | 2 | std::string _name() const override { | |
| 40 |
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4 | return "PVTIReader"; |
| 41 | } | ||
| 42 | |||
| 43 | 9 | std::vector<double> _ordinates(unsigned int direction) const override { | |
| 44 |
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9 | if (this->_num_process_pieces() == 0) |
| 45 | ✗ | return {}; | |
| 46 |
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9 | if (this->_num_process_pieces() == 1) |
| 47 |
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6 | return this->_readers().front().ordinates(direction); |
| 48 | |||
| 49 |
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3 | const auto extents = this->_specs().extents; |
| 50 |
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3 | const auto extent_begin = this->_specs().extents[2*direction]; |
| 51 |
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3 | const auto origin = this->origin(); |
| 52 |
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3 | const auto spacing = this->spacing(); |
| 53 | 3 | const std::size_t num_ordinates(extents[2*direction + 1] - extent_begin + 1); | |
| 54 |
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3 | std::vector<double> result(num_ordinates); |
| 55 |
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6 | std::ranges::copy( |
| 56 |
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3 | std::views::iota(std::size_t{0}, num_ordinates) | std::views::transform([&] (const std::size_t i) { |
| 57 | 16 | return origin[direction] + (extent_begin + i)*spacing[direction]; | |
| 58 |
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3 | }), |
| 59 | result.begin() | ||
| 60 | ); | ||
| 61 | 3 | return result; | |
| 62 | 3 | } | |
| 63 | }; | ||
| 64 | |||
| 65 | } // namespace GridFormat | ||
| 66 | |||
| 67 | #endif // GRIDFORMAT_VTK_PVTI_READER_HPP_ | ||
| 68 |