ResInsight/ApplicationCode/Application/Tools/RiaCurveDataTools.cpp
2020-02-04 11:42:31 +01:00

104 lines
3.4 KiB
C++

/////////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2015- Statoil ASA
// Copyright (C) 2015- Ceetron Solutions AS
//
// ResInsight is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
// for more details.
//
/////////////////////////////////////////////////////////////////////////////////
#include "RiaCurveDataTools.h"
#include <cmath> // Needed for HUGE_VAL on Linux
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RiaCurveDataTools::CurveIntervals RiaCurveDataTools::calculateIntervalsOfValidValues( const std::vector<double>& values,
bool includePositiveValuesOnly )
{
CurveIntervals intervals;
int startIdx = -1;
size_t vIdx = 0;
size_t valueCount = values.size();
while ( vIdx < valueCount )
{
bool isValid = RiaCurveDataTools::isValidValue( values[vIdx], includePositiveValuesOnly );
if ( !isValid )
{
if ( startIdx >= 0 )
{
size_t endIdx = vIdx - 1;
intervals.push_back( std::make_pair( startIdx, endIdx ) );
startIdx = -1;
}
}
else if ( startIdx < 0 )
{
startIdx = (int)vIdx;
}
vIdx++;
}
if ( startIdx >= 0 && startIdx < ( (int)valueCount ) )
{
intervals.push_back( std::make_pair( startIdx, valueCount - 1 ) );
}
return intervals;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
std::vector<std::pair<size_t, size_t>> RiaCurveDataTools::computePolyLineStartStopIndices( const CurveIntervals& intervals )
{
std::vector<std::pair<size_t, size_t>> lineStartAndStopIndices;
const size_t intervalCount = intervals.size();
if ( intervalCount < 1 ) return lineStartAndStopIndices;
size_t index = 0;
for ( size_t intIdx = 0; intIdx < intervalCount; intIdx++ )
{
size_t intervalSize = intervals[intIdx].second - intervals[intIdx].first + 1;
lineStartAndStopIndices.push_back( std::make_pair( index, index + intervalSize - 1 ) );
index += intervalSize;
}
return lineStartAndStopIndices;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RiaCurveDataTools::isValidValue( double value, bool allowPositiveValuesOnly )
{
if ( value == HUGE_VAL || value == -HUGE_VAL || value != value )
{
return false;
}
if ( allowPositiveValuesOnly && value <= 0 )
{
return false;
}
return true;
}