public GeoCoord subtract(GeoCoord a, bool spans180)
{
double x = a.x();
double dx = m_X - x;
if (spans180)
{ // dx < 360.0 && Math.Abs(dx) > 180.0) {
if (x > 90.0 && m_X < -90)
{
x -= 360.0;
}
else if (m_X > 90.0 && x < -90)
{
x += 360.0;
}
dx = m_X - x;
}
double dy = m_Y - a.y();
double dz = m_H - a.h();
return(new GeoCoord(dx, dy, dz));
}
public void translate(GeoCoord to)
{
m_X = to.x();
m_Y = to.y();
m_H = to.h();
}
public GeoCoord subtract(GeoCoord a, bool spans180)
{
double x = a.x();
double dx = m_X - x;
if(spans180)
{ // dx < 360.0 && Math.Abs(dx) > 180.0) {
if(x > 90.0 && m_X < -90)
{
x -= 360.0;
}
else if(m_X > 90.0 && x < -90)
{
x += 360.0;
}
dx = m_X - x;
}
double dy = m_Y - a.y();
double dz = m_H - a.h();
return new GeoCoord(dx, dy, dz);
}
public GeoCoord add(GeoCoord a)
{
return new GeoCoord(m_X + a.x(), m_Y + a.y(), m_H + a.h());
}
public GeoCoord add(GeoCoord a)
{
return(new GeoCoord(m_X + a.x(), m_Y + a.y(), m_H + a.h()));
}
public void translate(GeoCoord to)
{
m_X = to.x();
m_Y = to.y();
m_H = to.h();
}
