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[apps/regression] Display all the non empty regression series

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This commit is contained in:
Léa Saviot
2018-05-30 15:43:35 +02:00
parent 32e00b5e1e
commit ab346eba79
2 changed files with 16 additions and 13 deletions
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28
apps/regression/graph_view.cpp
View File

@@ -9,8 +9,7 @@ GraphView::GraphView(Store * store, CurveViewCursor * cursor, BannerView * banne
CurveView(store, cursor, bannerView, cursorView),
m_store(store),
m_xLabels{},
m_yLabels{},
m_series(0) //TODO
m_yLabels{}
{
}
@@ -21,17 +20,22 @@ void GraphView::drawRect(KDContext * ctx, KDRect rect) const {
drawAxes(ctx, rect, Axis::Vertical);
drawLabels(ctx, rect, Axis::Horizontal, true);
drawLabels(ctx, rect, Axis::Vertical, true);
float regressionParameters[2] = {(float)m_store->slope(m_series), (float)m_store->yIntercept(m_series)};
drawCurve(ctx, rect, [](float abscissa, void * model, void * context) {
float * params = (float *)model;
return params[0]*abscissa+params[1];
},
regressionParameters, nullptr, Palette::YellowDark);
for (int index = 0; index < m_store->numberOfPairs(); index++) {
drawDot(ctx, rect, m_store->get(m_series, 0,index), m_store->get(m_series, 1,index), Palette::Red);
for (int series = 0; series < Store::k_numberOfSeries; series++) {
if (!m_store->seriesIsEmpty(series)) {
KDColor color = Palette::DataColor[series];
float regressionParameters[2] = {(float)m_store->slope(series), (float)m_store->yIntercept(series)};
drawCurve(ctx, rect, [](float abscissa, void * model, void * context) {
float * params = (float *)model;
return params[0]*abscissa+params[1];
},
regressionParameters, nullptr, color);
for (int index = 0; index < m_store->numberOfPairsOfSeries(series); index++) {
drawDot(ctx, rect, m_store->get(series, 0, index), m_store->get(series, 1, index), color);
}
drawDot(ctx, rect, m_store->meanOfColumn(series, 0), m_store->meanOfColumn(series, 1), color, true);
drawDot(ctx, rect, m_store->meanOfColumn(series, 0), m_store->meanOfColumn(series, 1), KDColorWhite);
}
}
drawDot(ctx, rect, m_store->meanOfColumn(m_series, 0), m_store->meanOfColumn(m_series, 1), Palette::Palette::YellowDark, true);
drawDot(ctx, rect, m_store->meanOfColumn(m_series, 0), m_store->meanOfColumn(m_series, 1), KDColorWhite);
}
char * GraphView::label(Axis axis, int index) const {

1
apps/regression/graph_view.h
View File

@@ -17,7 +17,6 @@ private:
Store * m_store;
char m_xLabels[k_maxNumberOfXLabels][Poincare::PrintFloat::bufferSizeForFloatsWithPrecision(Constant::ShortNumberOfSignificantDigits)];
char m_yLabels[k_maxNumberOfYLabels][Poincare::PrintFloat::bufferSizeForFloatsWithPrecision(Constant::ShortNumberOfSignificantDigits)];
int m_series;
};
}