Inheritance diagram for osgEarth::Symbology::LineString:

Collaboration diagram for osgEarth::Symbology::LineString:

Public Member Functions
	LineString (int capacity=0)
	LineString (const LineString &rhs)
	LineString (const Vec3dVector *toCopy)
double	getLength () const
bool	getSegment (double length, osg::Vec3d &start, osg::Vec3d &end)
virtual Type	getType () const
virtual bool	isValid () const

Detailed Description

An ordered set of points forming a single contiguous line string.

Definition at line 198 of file Geometry.

Constructor & Destructor Documentation

osgEarth::Symbology::LineString::LineString ( int capacity = 0 ) [inline]

Definition at line 201 of file Geometry.

: Geometry( capacity ) { }

LineString::LineString ( const LineString & rhs )

Definition at line 359 of file Geometry.cpp.

                                              :
Geometry( rhs )
{
    //nop
}

LineString::LineString ( const Vec3dVector * toCopy )

Definition at line 365 of file Geometry.cpp.

                                                :
Geometry( data )
{
    //nop
}

Member Function Documentation

double LineString::getLength ( ) const

Definition at line 372 of file Geometry.cpp.

{
    double length = 0;
    for (unsigned int i = 0; i < size()-1; ++i)
    {
        osg::Vec3d current = (*this)[i];
        osg::Vec3d next    = (*this)[i+1];
        length += (next - current).length();
    }
    return length;
}

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bool LineString::getSegment	(	double	length,
		osg::Vec3d &	start,
		osg::Vec3d &	end
	)

Definition at line 385 of file Geometry.cpp.

{
    double pos = 0;
    for (unsigned int i = 0; i < size()-1; ++i)
    {
        osg::Vec3d current = (*this)[i];
        osg::Vec3d next    = (*this)[i+1];
        pos += (next - current).length();
        if (pos > length)
        {
            start = current;
            end = next;
            return true;
        }
    }
    return false;
}