GCC Code Coverage Report

Directory: gridformat/
File: gridformat/vtk/vts_writer.hpp
Date: 2024-11-10 16:24:00
Exec Total Coverage
Lines: 49 49 100.0%
Functions: 37 40 92.5%
Branches: 53 100 53.0%
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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::VTSWriter
7 */
8 #ifndef GRIDFORMAT_VTK_VTS_WRITER_HPP_
9 #define GRIDFORMAT_VTK_VTS_WRITER_HPP_
10
11 #include <array>
12 #include <ranges>
13 #include <ostream>
14 #include <utility>
15 #include <string>
16 #include <optional>
17
18 #include <gridformat/common/field.hpp>
19 #include <gridformat/common/field_storage.hpp>
20 #include <gridformat/common/lvalue_reference.hpp>
21
22 #include <gridformat/grid/grid.hpp>
23 #include <gridformat/grid/concepts.hpp>
24 #include <gridformat/grid/type_traits.hpp>
25 #include <gridformat/vtk/common.hpp>
26 #include <gridformat/vtk/xml.hpp>
27
28 namespace GridFormat {
29
30 /*!
31 * \ingroup VTK
32 * \brief Writer for .vts file format
33 */
34 template<Concepts::StructuredGrid Grid>
35 class VTSWriter : public VTK::XMLWriterBase<Grid, VTSWriter<Grid>> {
36 using ParentType = VTK::XMLWriterBase<Grid, VTSWriter<Grid>>;
37 using CType = CoordinateType<Grid>;
38 static constexpr std::size_t dim = dimension<Grid>;
39 static_assert(dim <= 3);
40
41 public:
42 struct Domain {
43 std::array<std::size_t, dim> whole_extent;
44 };
45
46 using Offset = std::array<std::size_t, dim>;
47
48 14181 explicit VTSWriter(LValueReferenceOf<const Grid> grid,
49 VTK::XMLOptions xml_opts = {})
50
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 42543 : ParentType(grid.get(), ".vts", true, std::move(xml_opts))
51 14181 {}
52
53 4112 VTSWriter as_piece_for(Domain domain) const {
54 4112 auto result = this->with(this->_xml_opts);
55 4112 result._domain = std::move(domain);
56 4112 result._offset = _offset;
57 4112 return result;
58 }
59
60 4112 VTSWriter with_offset(Offset offset) const {
61 4112 auto result = this->with(this->_xml_opts);
62 4112 result._offset = std::move(offset);
63 4112 result._domain = _domain;
64 4112 return result;
65 }
66
67 private:
68 9484 VTSWriter _with(VTK::XMLOptions xml_opts) const override {
69
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 9484 return VTSWriter{this->grid(), std::move(xml_opts)};
70 }
71
72 4744 void _write(std::ostream& s) const override {
73
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 9488 auto context = this->_get_write_context("StructuredGrid");
74
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 4744 _set_attributes(context);
75
76 4744 FieldStorage vtk_point_fields;
77 4744 FieldStorage vtk_cell_fields;
78
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 29588 std::ranges::for_each(this->_point_field_names(), [&] (const std::string& name) {
79
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 12650 vtk_cell_fields.set(name, VTK::make_vtk_field(this->_get_point_field_ptr(name)));
80
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 12650 this->_set_data_array(context, "Piece/PointData", name, vtk_cell_fields.get(name));
81 });
82
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 29588 std::ranges::for_each(this->_cell_field_names(), [&] (const std::string& name) {
83
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 12650 vtk_cell_fields.set(name, VTK::make_vtk_field(this->_get_cell_field_ptr(name)));
84
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 12650 this->_set_data_array(context, "Piece/CellData", name, vtk_cell_fields.get(name));
85 });
86
87 2444 const FieldPtr coords_field = std::visit([&] <typename T> (const Precision<T>&) {
88 2396 return VTK::make_coordinates_field<T>(this->grid(), true);
89
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 4744 }, this->_xml_settings.coordinate_precision);
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 10040 this->_set_data_array(context, "Piece/Points", "Coordinates", *coords_field);
91
92
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 4192 this->_write_xml(std::move(context), s);
93 6400 }
94
95 4744 void _set_attributes(typename ParentType::WriteContext& context) const {
96 4744 _set_domain_attributes(context);
97 4744 _set_extent_attributes(context);
98 4744 }
99
100 4744 void _set_domain_attributes(typename ParentType::WriteContext& context) const {
101 using VTK::CommonDetail::extents_string;
102
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 4744 if (_domain)
103
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 12336 this->_set_attribute(context, "", "WholeExtent", extents_string(_domain->whole_extent));
104 else
105
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 1896 this->_set_attribute(context, "", "WholeExtent", extents_string(this->grid()));
106 4744 }
107
108 4744 void _set_extent_attributes(typename ParentType::WriteContext& context) const {
109 using VTK::CommonDetail::extents_string;
110
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 4744 if (int i = 0; _offset) {
111 4112 auto begin = (*_offset);
112
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 4112 auto end = GridFormat::extents(this->grid());
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 9888 std::ranges::for_each(end, [&] (std::integral auto& ex) { ex += begin[i++]; });
114
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 12336 this->_set_attribute(context, "Piece", "Extent", extents_string(begin, end));
115 } else {
116
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 1896 this->_set_attribute(context, "Piece", "Extent", extents_string(this->grid()));
117 }
118 4744 }
119
120 std::optional<Domain> _domain;
121 std::optional<Offset> _offset;
122 };
123
124 template<typename G>
125 VTSWriter(G&&, VTK::XMLOptions = {}) -> VTSWriter<std::remove_cvref_t<G>>;
126
127 } // namespace GridFormat
128
129 #endif // GRIDFORMAT_VTK_VTS_WRITER_HPP_
130