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Plot prediction bands without samples

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This commit is contained in:
Antonin Portelli 2019-04-26 16:33:38 +01:00
parent 070f91a4ed
commit b04338bf36
2 changed files with 44 additions and 10 deletions
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50
lib/Core/Plot.cpp
View File

@ -116,7 +116,7 @@ PlotData::PlotData(const DMatSample &x, const DMatSample &y)
{
if (x[central].rows() != y[central].rows())
{
LATAN_ERROR(Size, "x and y vector does not have the same size");
LATAN_ERROR(Size, "x and y vectors do not have the same size");
}
DMat d(x[central].rows(), 4);
@ -153,7 +153,7 @@ PlotData::PlotData(const DMatSample &x, const DVec &y)
{
if (x[central].rows() != y.rows())
{
LATAN_ERROR(Size, "x and y vector does not have the same size");
LATAN_ERROR(Size, "x and y vectors do not have the same size");
}
DMat d(x[central].rows(), 3), xerr, yerr;
@ -182,7 +182,7 @@ PlotLine::PlotLine(const DVec &x, const DVec &y)
{
if (x.size() != y.size())
{
LATAN_ERROR(Size, "x and y vector does not have the same size");
LATAN_ERROR(Size, "x and y vectors do not have the same size");
}
DMat d(x.size(), 2);
@ -234,6 +234,41 @@ PlotFunction::PlotFunction(const DoubleFunction &function, const double xMin,
}
// PlotPredBand constructor ////////////////////////////////////////////////////
void PlotPredBand::makePredBand(const DMat &low, const DMat &high, const double opacity)
{
string lowFileName, highFileName;
lowFileName = dumpToTmpFile(low);
highFileName = dumpToTmpFile(high);
pushTmpFile(lowFileName);
pushTmpFile(highFileName);
setCommand("'< (cat " + lowFileName + "; tac " + highFileName +
"; head -n1 " + lowFileName + ")' u 1:2 w filledcurves closed" +
" fs solid " + strFrom(opacity) + " noborder");
}
PlotPredBand::PlotPredBand(const DVec &x, const DVec &y, const DVec &yerr,
const double opacity)
{
if (x.size() != y.size())
{
LATAN_ERROR(Size, "x and y vectors do not have the same size");
}
if (y.size() != yerr.size())
{
LATAN_ERROR(Size, "y and y error vectors do not have the same size");
}
Index nPoint = x.size();
DMat dLow(nPoint, 2), dHigh(nPoint, 2);
dLow.col(0) = x;
dLow.col(1) = y - yerr;
dHigh.col(0) = x;
dHigh.col(1) = y + yerr;
makePredBand(dLow, dHigh, opacity);
}
PlotPredBand::PlotPredBand(const DoubleFunctionSample &function,
const double xMin, const double xMax,
const unsigned int nPoint, const double opacity)
@ -254,15 +289,10 @@ PlotPredBand::PlotPredBand(const DoubleFunctionSample &function,
dHigh(i, 0) = x;
dHigh(i, 1) = pred[central] + err;
}
lowFileName = dumpToTmpFile(dLow);
highFileName = dumpToTmpFile(dHigh);
pushTmpFile(lowFileName);
pushTmpFile(highFileName);
setCommand("'< (cat " + lowFileName + "; tac " + highFileName +
"; head -n1 " + lowFileName + ")' u 1:2 w filledcurves closed" +
" fs solid " + strFrom(opacity) + " noborder");
makePredBand(dLow, dHigh, opacity);
}
// PlotHistogram constructor ///////////////////////////////////////////////////
PlotHistogram::PlotHistogram(const Histogram &h)
{

4
lib/Core/Plot.hpp
View File

@ -139,11 +139,15 @@ class PlotPredBand: public PlotObject
{
public:
// constructor
PlotPredBand(const DVec &x, const DVec &y, const DVec &yerr,
const double opacity = 0.15);
PlotPredBand(const DoubleFunctionSample &function, const double xMin,
const double xMax, const unsigned int nPoint = 1000,
const double opacity = 0.15);
// destructor
virtual ~PlotPredBand(void) = default;
private:
void makePredBand(const DMat &low, const DMat &high, const double opacity);
};
class PlotHistogram: public PlotObject