Method distanceToStraightLine

3rdparty/qcustomplot/qcustomplot.cpp:225–228

! Returns the shortest distance of this vector (interpreted as a point) to the infinite straight line given by a \a base point and a \a direction vector. \see distanceSquaredToLine */

  \see distanceSquaredToLine
*/
double QCPVector2D::distanceToStraightLine(const QCPVector2D &base, const QCPVector2D &direction) const
{
  return qAbs((*this-base).dot(direction.perpendicular()))/direction.length();
}

/*!
  Scales this vector by the given \a factor, i.e. the x and y components are multiplied by \a