ParameterData.cc
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/*
* ParameterData.cc
*
* Created on: 10 déc. 2013
* Author: CS
*/
#include <fstream>
#include <iomanip>
#include <boost/lexical_cast.hpp>
#include "ParameterData.hh"
#include "PlotLogger.hh"
#include <cmath>
#include <iostream>
#include "TimeUtil.hh"
namespace plot {
ParameterData::ParameterData() :
_minTime(nan("")), _maxTime(nan("")), _dim1Size(-1), _dim2Size(-1), _paramGapSize(0.) {
}
ParameterData::~ParameterData() {
}
void ParameterData::preAllocate(int nbData)
{
_dates.reserve(nbData);
int maxValueIndex = 0;
for (auto index : _indexes)
{
int valueIndex = componentToValuesIndex(index);
if (valueIndex > maxValueIndex)
maxValueIndex = valueIndex;
}
_values.resize(maxValueIndex+1);
for (auto index : _indexes)
{
int valueIndex = componentToValuesIndex(index);
_values[valueIndex].preAllocate(nbData);
}
}
/**
* @brief Add a new time record to parameter
*/
void ParameterData::addTime(double time, double sampling, bool &gapDetected) {
if (!_dates.empty() && ((time - _dates.back()) > _paramGapSize)) {
//gap detected => push a NaN value in data list
if (_dates.back() + sampling > time)
_dates.push_back((time - _dates.back()) / 2.);
else
_dates.push_back(_dates.back() + sampling);
gapDetected = true;
}
else {
gapDetected = false;
}
_dates.push_back(time);
// calculate min end max time for auto scale
if (isnan(_minTime)) {
_minTime = time;
}
else {
_minTime = std::min(time, _minTime);
}
if (isnan(_maxTime)) {
_maxTime = time;
}
else {
_maxTime = std::max(time, _maxTime);
}
}
/**
* @brief Add a component value
*/
void ParameterData::addValue(double value, AMDA::Common::ParameterIndexComponent& index, bool gapDetected) {
int valueIndex = componentToValuesIndex(index);
if (valueIndex >= (int)_values.size())
{
_values.resize(valueIndex+1);
}
if (gapDetected)
_values[valueIndex].addValue(NAN);
// add relative value
_values[valueIndex].addValue(value);
}
/**
* Gets the index of the given time (or just after) in time array,
* returns -1 if not found
*/
int ParameterData::indexOf(double time_){
// get index of first time after given time_
if(isnan(time_)){
return 0;
}
int i = 0;
for(auto time : _dates){
if(time >= time_){
return i;
}
++i;
}
return -1;
}
/**
* @brief Computes an interpolated value at a given time
*/
double ParameterData::getInterpolatedValue (double atTime, AMDA::Common::ParameterIndexComponent index) {
// get index of first time after given time_
if(isnan(atTime)){
return nan("");
}
int firstSuperiorIndex = 0;
for(auto time : _dates){
// No interpolation required
if (time == atTime){
return getValues (index, firstSuperiorIndex) [0];
}
// Interpolation required
if (time >= atTime){
if (firstSuperiorIndex == 0 || getValues(index, firstSuperiorIndex-1)== nullptr || getValues(index, firstSuperiorIndex)== nullptr ) {
return nan("");
}
else {
double v1 = getValues (index, firstSuperiorIndex-1) [0];
double v2 = getValues (index, firstSuperiorIndex) [0];
double d1 = _dates [firstSuperiorIndex-1];
double d2 = _dates [firstSuperiorIndex];
// Return a linear interpolation of the value for the index
return (v1 + (v2-v1) * (atTime-d1)/(d2-d1));
}
}
++firstSuperiorIndex;
}
return nan("");
}
/**
* Dump properties, for TU
*/
void ParameterData::dump(std::ostream& out_, std::string& prefix_) {
for(auto index : _indexes){
out_ << prefix_ << "index " << index.getDim1Index() << "x" << index.getDim2Index() << " => " << _values[componentToValuesIndex(index)].getNumberOfData()
<< " data" << std::endl;
}
for (size_t i = 0; i < _dates.size(); ++i) {
out_ << prefix_;
AMDA::TimeUtil::formatTimeDateInIso(_dates[i], out_);
if(!_indexes.empty()){
for(auto index : _indexes){
out_ << prefix_ << getValues(index)[i] << " ";
}
}
else {
out_ << prefix_ << getValues()[i] << " ";
}
out_<< std::endl;
}
}
// ------------------ COMPONENTPARAMTERDATA ------------------------ //
ComponentParameterData::ComponentParameterData() :
_min(nan("")), _minStrictPos(nan("")), _max(nan("")), _noData(true) {
}
ComponentParameterData::~ComponentParameterData() {
}
void ComponentParameterData::preAllocate(int nbData)
{
_values.reserve(nbData);
}
/**
* @brief Adds a value and updates min and max values.
*/
void ComponentParameterData::addValue(double value) {
_values.push_back(value);
if (!isnan(value))
{
_noData = false;
if (isnan(_min))
_min = value;
else
_min = std::min(_min, value);
if (isnan(_max))
_max = value;
else
_max = std::max(_max, value);
if (value > 0)
{
if (isnan(_minStrictPos))
_minStrictPos = value;
else
_minStrictPos = std::min(_minStrictPos, value);
}
}
}
} /* namespace plot */