File indexing completed on 2024-04-06 12:02:27
0001 #include "CondFormats/PhysicsToolsObjects/interface/PhysicsTGraphPayload.h"
0002
0003 #include "FWCore/Utilities/interface/Exception.h"
0004
0005 #include <iomanip>
0006
0007 PhysicsTGraphPayload::PhysicsTGraphPayload() : numPoints_(0) {}
0008
0009 PhysicsTGraphPayload::PhysicsTGraphPayload(const TGraph& graph) : numPoints_(0) {
0010 if (graph.GetN() >= 1) {
0011 name_ = graph.GetName();
0012 numPoints_ = graph.GetN();
0013 x_.resize(numPoints_);
0014 y_.resize(numPoints_);
0015 for (int iPoint = 0; iPoint < numPoints_; ++iPoint) {
0016 Double_t xPoint, yPoint;
0017 graph.GetPoint(iPoint, xPoint, yPoint);
0018 x_[iPoint] = xPoint;
0019 y_[iPoint] = yPoint;
0020 }
0021 }
0022 }
0023
0024 PhysicsTGraphPayload::operator TGraph() const {
0025 if (numPoints_ >= 1) {
0026 TGraph graph(numPoints_);
0027 graph.SetName(name_.data());
0028 for (int iPoint = 0; iPoint < numPoints_; ++iPoint) {
0029 graph.SetPoint(iPoint, x_[iPoint], y_[iPoint]);
0030 }
0031 return graph;
0032 } else {
0033 throw cms::Exception("PhysicsTGraphPayload") << "Invalid TGraph object !!\n";
0034 }
0035 }
0036
0037 void PhysicsTGraphPayload::print(std::ostream& stream) const {
0038 stream << "<PhysicsTGraphPayload::print (name = " << name_ << ")>:" << std::endl;
0039 for (int iPoint = 0; iPoint < numPoints_; ++iPoint) {
0040 stream << "point #" << iPoint << ": x = " << x_[iPoint] << ", y = " << y_[iPoint] << std::endl;
0041 }
0042 }
