Alexandria 2.31.0
SDC-CH common library for the Euclid project
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PdfFromRow.h
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1/*
2 * Copyright (C) 2012-2021 Euclid Science Ground Segment
3 *
4 * This library is free software; you can redistribute it and/or modify it under
5 * the terms of the GNU Lesser General Public License as published by the Free
6 * Software Foundation; either version 3.0 of the License, or (at your option)
7 * any later version.
8 *
9 * This library is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12 * details.
13 *
14 * You should have received a copy of the GNU Lesser General Public License
15 * along with this library; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19/*
20 * Copyright (C) 2012-2021 Euclid Science Ground Segment
21 *
22 * This library is free software; you can redistribute it and/or modify it under
23 * the terms of the GNU Lesser General Public License as published by the Free
24 * Software Foundation; either version 3.0 of the License, or (at your option)
25 * any later version.
26 *
27 * This library is distributed in the hope that it will be useful, but WITHOUT
28 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
29 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
30 * details.
31 *
32 * You should have received a copy of the GNU Lesser General Public License
33 * along with this library; if not, write to the Free Software Foundation, Inc.,
34 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
35 */
36
37/*
38 * @file PdfFromRow.h
39 * @author nikoapos
40 */
41
42#ifndef SOURCECATALOG_PDFFROMROW_H
43#define SOURCECATALOG_PDFFROMROW_H
44
49#include "Table/CastVisitor.h"
50#include <map>
51#include <string>
52#include <vector>
53
54namespace Euclid {
55namespace SourceCatalog {
56
57template <typename T>
59
60public:
63
64 virtual ~PdfFromRow() = default;
65
68
69 for (auto& pair : m_keys) {
70 // Use the key values to create the axis of the PDF
71 GridContainer::GridAxis<T> axis{pair.first, pair.second};
72 // Create a PDF with zero values
73 typename Pdf<T>::PdfType pdf{axis};
74
75 // Get the PDF data from the row
76 auto& col_name = m_column_names.at(pair.first);
77 auto data = boost::apply_visitor(Table::CastVisitor<std::vector<double>>{}, row[col_name]);
78 if (data.size() != pdf.size()) {
79 throw Elements::Exception() << "Incompatible PDF size";
80 }
81
82 // Copy the data in the PDF
83 std::copy(data.begin(), data.end(), pdf.begin());
84
85 // Put the PDF in the map
86 pdf_map.emplace(pair.first, std::move(pdf));
87 }
88
90 }
91
92private:
95};
96
97} // namespace SourceCatalog
98} // namespace Euclid
99
100#endif /* SOURCECATALOG_PDFFROMROW_H */
T at(T... args)
Provides information related with an axis of a GridContainer.
Definition GridAxis.h:49
Representation of a multi-dimensional grid which contains axis information.
Interface for building a source Attribute from a table Row.
Store the Right Ascension (Ra) and Delination (Dec) of a source in decimal degrees,...
Definition Coordinates.h:41
PdfFromRow(std::map< std::string, std::vector< T > > keys, std::map< std::string, std::string > column_names)
Definition PdfFromRow.h:61
std::unique_ptr< Attribute > createAttribute(const Euclid::Table::Row &row) override
The createAttribute method for creating an Attribute from a Table row.
Definition PdfFromRow.h:66
std::map< std::string, std::string > m_column_names
Definition PdfFromRow.h:94
std::map< std::string, std::vector< T > > m_keys
Definition PdfFromRow.h:93
Represents one row of a Table.
Definition Row.h:57
T copy(T... args)
T move(T... args)
STL namespace.