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Updates PlottablesRenderingUtils to use variable's type instead of dataseries
Alexandre Leroux -
r1307:a119058eb032
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1 1 #ifndef SCIQLOP_PLOTTABLESRENDERINGUTILS_H
2 2 #define SCIQLOP_PLOTTABLESRENDERINGUTILS_H
3 3
4 #include <Data/DataSeriesType.h>
5
4 6 #include <Visualization/VisualizationDefs.h>
5 7
6 8 #include <memory>
7 9
8 10 #include <QtCore/QLoggingCategory>
9 11
10 12 Q_DECLARE_LOGGING_CATEGORY(LOG_PlottablesRenderingUtils)
11 13
12 class IDataSeries;
13 14 class QCPColorScale;
14 15 class QCustomPlot;
16 class Variable;
15 17
16 18 /**
17 19 * Helper used to handle plottables rendering
18 20 */
19 21 struct IPlottablesHelper {
20 22 virtual ~IPlottablesHelper() noexcept = default;
21 23
22 24 /// Set properties of the plottables passed as parameter
23 25 /// @param plottables the plottables for which to set properties
24 26 virtual void setProperties(PlottablesMap &plottables) = 0;
25 27 };
26 28
27 29 struct IPlottablesHelperFactory {
28 /// Creates IPlottablesHelper according to a data series
29 static std::unique_ptr<IPlottablesHelper>
30 create(std::shared_ptr<IDataSeries> dataSeries) noexcept;
30 /// Creates IPlottablesHelper according to the type of data series a variable holds
31 static std::unique_ptr<IPlottablesHelper> create(const Variable &variable) noexcept;
31 32 };
32 33
33 34 #endif // SCIQLOP_PLOTTABLESRENDERINGUTILS_H
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@@ -1,122 +1,126
1 1 #include "Visualization/PlottablesRenderingUtils.h"
2 2
3 3 #include <Common/ColorUtils.h>
4 4
5 5 #include <Data/ScalarSeries.h>
6 6 #include <Data/SpectrogramSeries.h>
7 7 #include <Data/VectorSeries.h>
8 8
9 #include <Variable/Variable.h>
10
9 11 #include <Visualization/qcustomplot.h>
10 12
11 13 Q_LOGGING_CATEGORY(LOG_PlottablesRenderingUtils, "PlottablesRenderingUtils")
12 14
13 15 namespace {
14 16
15 17 /**
16 18 * Delegate used to set plottables properties
17 19 */
18 20 template <typename T, typename Enabled = void>
19 21 struct PlottablesSetter {
20 static void setProperties(T &, PlottablesMap &)
22 static void setProperties(PlottablesMap &)
21 23 {
22 24 // Default implementation does nothing
23 25 qCCritical(LOG_PlottablesRenderingUtils())
24 26 << "Can't set plottables properties: unmanaged type of data";
25 27 }
26 28 };
27 29
28 30 /**
29 31 * Specialization of PlottablesSetter for scalars and vectors
30 32 * @sa ScalarSeries
31 33 * @sa VectorSeries
32 34 */
33 35 template <typename T>
34 36 struct PlottablesSetter<T, typename std::enable_if_t<std::is_base_of<ScalarSeries, T>::value
35 37 or std::is_base_of<VectorSeries, T>::value> > {
36 static void setProperties(T &dataSeries, PlottablesMap &plottables)
38 static void setProperties(PlottablesMap &plottables)
37 39 {
38 // Gets the number of components of the data series
39 dataSeries.lockRead();
40 auto componentCount = dataSeries.valuesData()->componentCount();
41 dataSeries.unlock();
40 // Finds the plottable with the highest index to determine the number of colors to generate
41 auto end = plottables.cend();
42 auto maxPlottableIndexIt
43 = std::max_element(plottables.cbegin(), end, [](const auto &it1, const auto &it2) {
44 return it1.first < it2.first;
45 });
46 auto componentCount = maxPlottableIndexIt != end ? maxPlottableIndexIt->first + 1 : 0;
42 47
43 48 // Generates colors for each component
44 49 auto colors = ColorUtils::colors(Qt::blue, Qt::red, componentCount);
45 50
46 51 // For each component of the data series, creates a QCPGraph to add to the plot
47 52 for (auto i = 0; i < componentCount; ++i) {
48 auto graph = plottables.at(i);
49 graph->setPen(QPen{colors.at(i)});
53 auto graphIt = plottables.find(i);
54 if (graphIt != end) {
55 graphIt->second->setPen(QPen{colors.at(i)});
56 }
50 57 }
51 58 }
52 59 };
53 60
54 61 /**
55 62 * Specialization of PlottablesSetter for spectrograms
56 63 * @sa SpectrogramSeries
57 64 */
58 65 template <typename T>
59 66 struct PlottablesSetter<T,
60 67 typename std::enable_if_t<std::is_base_of<SpectrogramSeries, T>::value> > {
61 static void setProperties(T &, PlottablesMap &plottables)
68 static void setProperties(PlottablesMap &plottables)
62 69 {
63 70 // Checks that for a spectrogram there is only one plottable, that is a colormap
64 71 if (plottables.size() != 1) {
65 72 return;
66 73 }
67 74
68 75 if (auto colormap = dynamic_cast<QCPColorMap *>(plottables.begin()->second)) {
69 76 colormap->setInterpolate(false); // No value interpolation
70 77 colormap->setTightBoundary(true);
71 78
72 79 // Finds color scale in the colormap's plot to associate with it
73 80 auto plot = colormap->parentPlot();
74 81 auto plotElements = plot->plotLayout()->elements(false);
75 82 for (auto plotElement : plotElements) {
76 83 if (auto colorScale = dynamic_cast<QCPColorScale *>(plotElement)) {
77 84 colormap->setColorScale(colorScale);
78 85 }
79 86 }
80 87
81 88 colormap->rescaleDataRange();
82 89 }
83 90 else {
84 91 qCCritical(LOG_PlottablesRenderingUtils()) << "Can't get colormap of the spectrogram";
85 92 }
86 93 }
87 94 };
88 95
89 96 /**
90 97 * Default implementation of IPlottablesHelper, which takes data series to set plottables properties
91 98 * @tparam T the data series' type
92 99 */
93 100 template <typename T>
94 101 struct PlottablesHelper : public IPlottablesHelper {
95 explicit PlottablesHelper(T &dataSeries) : m_DataSeries{dataSeries} {}
96
97 102 void setProperties(PlottablesMap &plottables) override
98 103 {
99 PlottablesSetter<T>::setProperties(m_DataSeries, plottables);
104 PlottablesSetter<T>::setProperties(plottables);
100 105 }
101
102 T &m_DataSeries;
103 106 };
104 107
105 108 } // namespace
106 109
107 110 std::unique_ptr<IPlottablesHelper>
108 IPlottablesHelperFactory::create(std::shared_ptr<IDataSeries> dataSeries) noexcept
111 IPlottablesHelperFactory::create(const Variable &variable) noexcept
109 112 {
110 if (auto scalarSeries = std::dynamic_pointer_cast<ScalarSeries>(dataSeries)) {
111 return std::make_unique<PlottablesHelper<ScalarSeries> >(*scalarSeries);
112 }
113 else if (auto spectrogramSeries = std::dynamic_pointer_cast<SpectrogramSeries>(dataSeries)) {
114 return std::make_unique<PlottablesHelper<SpectrogramSeries> >(*spectrogramSeries);
115 }
116 else if (auto vectorSeries = std::dynamic_pointer_cast<VectorSeries>(dataSeries)) {
117 return std::make_unique<PlottablesHelper<VectorSeries> >(*vectorSeries);
118 }
119 else {
120 return std::make_unique<PlottablesHelper<IDataSeries> >(*dataSeries);
113 switch (variable.type()) {
114 case DataSeriesType::SCALAR:
115 return std::make_unique<PlottablesHelper<ScalarSeries> >();
116 case DataSeriesType::SPECTROGRAM:
117 return std::make_unique<PlottablesHelper<SpectrogramSeries> >();
118 case DataSeriesType::VECTOR:
119 return std::make_unique<PlottablesHelper<VectorSeries> >();
120 default:
121 // Returns default helper
122 break;
121 123 }
124
125 return std::make_unique<PlottablesHelper<IDataSeries> >();
122 126 }
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