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Coin / src / geo / SbGeoAngle.cpp

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Peder Blekken 244d191 
Marius Kintel 3ba6b41 




























Peder Blekken 244d191 


Lars J. Aas 27d5884 
Peder Blekken 244d191 





























































































Lars J. Aas 02ec13b 
Peder Blekken 244d191 






Lars J. Aas 02ec13b 
Peder Blekken 244d191 





Lars J. Aas 02ec13b 
Peder Blekken 244d191 





Lars J. Aas 02ec13b 
Peder Blekken 244d191 




Lars J. Aas 02ec13b 
Peder Blekken 244d191 






















































































































/**************************************************************************\
 * Copyright (c) Kongsberg Oil & Gas Technologies AS
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 
 * Neither the name of the copyright holder nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\**************************************************************************/

#include "SbGeoAngle.h"
#include <Inventor/SbBasic.h>
#include <math.h>
#include <assert.h>

#define ANGLE_TOLERANCE 1e-5

/*
  Default constructor radians
*/

SbGeoAngle::SbGeoAngle(const double d)
{
  this->a = d;
}

/*
  Default constructor degrees
*/

SbGeoAngle::SbGeoAngle(const double deg,
                       const double min,
                       const double sec,
                       const char direction)
{
  assert(direction == 'N' ||
         direction == 'S' ||
         direction == 'E' ||
         direction == 'W' &&
         "direction must be either N, S, E or W");

  this->a = deg * M_PI / 180.0;
  this->a += (min / 60.0) * M_PI / 180;
  this->a += (sec / 3600.0) * M_PI / 180;
  if (direction == 'S') this->a = -this->a;
}

/*
  Copy  constructor
*/

SbGeoAngle::SbGeoAngle(const SbGeoAngle & a)
{
  this->a = a.a;
}

void
SbGeoAngle::setDegree(const int deg)
{
  this->a = deg * M_PI / 180.0;
}

/*
  Operators
 */
SbGeoAngle &
SbGeoAngle::operator=(const double d)
{
  this->a = d;
  return *this;
}

SbGeoAngle &
SbGeoAngle::operator=(SbGeoAngle ang)
{
  this->a = ang.a;
  return *this;
}

double
SbGeoAngle::rad(void) const
{
  return this->a;
}

int
SbGeoAngle::deg(void) const
{
  return int(this->degrees());
}

SbGeoAngle &
SbGeoAngle::operator+=(const SbGeoAngle & a)
{
  this->a += a.a;
  return *this;
}

 SbGeoAngle &
SbGeoAngle::operator-=(const SbGeoAngle & a)
{
  this->a -= a.a;
  return *this;
}

 SbGeoAngle
SbGeoAngle::operator-() const
{
  SbGeoAngle p;
  p.a = -this->a;
  return p;
}

 SbGeoAngle
SbGeoAngle::operator+(SbGeoAngle a) const
{
  a += *this;
  return a;
}

 SbGeoAngle
SbGeoAngle::operator-(SbGeoAngle a) const
{
  a -= *this;
  return -a;
}

SbGeoAngle
SbGeoAngle::operator+(double d) const
{
  return *this + SbGeoAngle(d);
}

SbGeoAngle
SbGeoAngle::operator-(double d) const
{
  return *this - SbGeoAngle(d);
}


SbGeoAngle &
SbGeoAngle::operator*=(double d)
{
  this->a *= d;
  return *this;
}

SbGeoAngle
SbGeoAngle::operator*(double d) const
{
  return SbGeoAngle(a*d);
}

SbGeoAngle
operator*(double d, SbGeoAngle a)
{
  a *= d;
  return a;
}

SbGeoAngle
operator+(double d, SbGeoAngle a)
{
  a += d;
  return a;
}

SbGeoAngle
operator-(double d, SbGeoAngle a)
{
  a -= d;
  return a;
}

SbGeoAngle &
SbGeoAngle::operator/=(double d)
{
  d = 1/d;
  *this *= d;
  return *this;
}

 SbGeoAngle
SbGeoAngle::operator/(double d) const
{
  d = 1/d;
  return *this * d;
}

 bool
SbGeoAngle::operator==(const SbGeoAngle & p) const
{
  return fabs(a - p.a) < ANGLE_TOLERANCE;
}

 bool
SbGeoAngle::operator!=(const SbGeoAngle & a) const
{
  return !(*this == a);
}

 bool
SbGeoAngle::operator<(const SbGeoAngle & v) const
{
  return this->a < v.a;
}


 bool
SbGeoAngle::operator>(const SbGeoAngle & v) const
{
  return this->a > v.a;
}

 bool
SbGeoAngle::operator<=(const SbGeoAngle & v) const
{
  return !(*this > v);
}

bool
SbGeoAngle::operator>=(const SbGeoAngle & v) const
{
  return !(*this < v);
}

int
SbGeoAngle::minutes() const
{
  double tmp = this->degrees();
  tmp -= (double) this->deg();

  return (int) (tmp * 60.0);
}

double
SbGeoAngle::seconds() const
{
  double tmp = this->degrees();
  tmp -= this->deg() + this->minutes() / 60.0;

  return tmp * 60.0 * 60.0;
}

double
SbGeoAngle::degrees(void) const
{
  double tmp = fmod(180.0 * (this->a / M_PI), 360.0);
  if (tmp > 180.0) {
    return tmp - 360.0;
  }
  return tmp;
}

#undef ANGLE_TOLERANCE