bool LLBBox::IntersectIn( const LLBBox &other ) const
{
if( !GetValid() || !other.GetValid() )
return false;
if((m_maxlat <= other.m_maxlat) || (m_minlat >= other.m_minlat))
return false;
double minlon = m_minlon, maxlon = m_maxlon;
if(m_maxlon < other.m_minlon)
minlon += 360, maxlon += 360;
else if(m_minlon > other.m_maxlon)
minlon -= 360, maxlon -= 360;
return (other.m_minlon > minlon) && (other.m_maxlon < maxlon);
}
bool LLBBox::IntersectOutGetBias( const LLBBox &other, double bias ) const
{
// allow -180 to 180 or 0 to 360
if( !GetValid() || !other.GetValid() )
return true;
if((m_maxlat < other.m_minlat) || (m_minlat > other.m_maxlat))
return true;
if(m_maxlon < other.m_minlon)
bias = 360;
else if(m_minlon > other.m_maxlon)
bias = -360;
else
bias = 0;
return (m_minlon + bias > other.m_maxlon) || (m_maxlon + bias < other.m_minlon);
}
