ResInsight/ApplicationCode/Application/Tools/RiaJCurveCalculator.cpp
Bjørn Erik Jensen 76b992c7ed Fix warning
2018-10-02 08:15:27 +02:00

101 lines
3.2 KiB
C++

/////////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2018- Statoil ASA
//
// 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 "RiaJCurveCalculator.h"
#include "RiaOffshoreSphericalCoords.h"
#include "cvfMatrix3.h"
#include "RiaArcCurveCalculator.h"
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RiaJCurveCalculator::RiaJCurveCalculator(cvf::Vec3d p1, double azi1, double inc1, double r1,
cvf::Vec3d p2)
: m_c1( cvf::Vec3d::UNDEFINED)
, m_n1( cvf::Vec3d::UNDEFINED)
, m_radius( std::numeric_limits<double>::infinity())
, m_curveStatus(OK)
{
cvf::Vec3d t1 (RiaOffshoreSphericalCoords::unitVectorFromAziInc(azi1, inc1));
cvf::Vec3d p1p2 = p2 - p1;
cvf::Vec3d tr1 = p1p2 - (p1p2.dot(t1)) * t1;
double tr1Length = tr1.length();
if (tr1Length < 1e-9)
{
// p2 is on the p1 + t12 line. Degenerates to a line.
m_curveStatus = OK_STRAIGHT_LINE;
m_firstArcEndpoint = p2;
m_endAzi = azi1;
m_endInc = inc1;
return;
}
tr1 /= tr1Length;
cvf::Vec3d c1 = p1 + r1 * tr1;
cvf::Vec3d p2c1 = c1 - p2;
double p2c1Length = p2c1.length();
if (p2c1Length < r1 || r1 == std::numeric_limits<double>::infinity())
{
// Radius is too big. We can not get to point 2 using the requested radius.
m_curveStatus = FAILED_RADIUS_TOO_LARGE;
RiaArcCurveCalculator arc(p1, t1, p2);
if ( arc.curveStatus() == RiaArcCurveCalculator::OK
|| arc.curveStatus() == RiaArcCurveCalculator::OK_STRAIGHT_LINE )
{
m_c1 = arc.center();
m_n1 = arc.normal();
m_firstArcEndpoint = p2;
m_endAzi = arc.endAzimuth();
m_endInc = arc.endInclination();
m_radius = arc.radius();
}
else
{
m_firstArcEndpoint = p2;
m_endAzi = azi1;
m_endInc = inc1;
}
return;
}
double d = sqrt( p2c1Length * p2c1Length - r1 * r1);
double betha = asin( r1/p2c1Length );
cvf::Vec3d tp2c1 = p2c1/p2c1Length;
cvf::Vec3d nc1 = t1 ^ tr1;
cvf::Vec3d tp11p2 = -tp2c1.getTransformedVector(cvf::Mat3d::fromRotation(nc1, betha));
m_firstArcEndpoint = p2 - d*tp11p2;
m_c1 = c1;
m_n1 = nc1;
RiaOffshoreSphericalCoords endTangent(tp11p2);
m_endAzi = endTangent.azi();
m_endInc = endTangent.inc();
}