/// <summary>
/// Creates a buffer polygon along a line with the buffer distance interpolated
/// between a start distance and an end distance.
/// </summary>
/// <param name="line">The line to buffer</param>
/// <param name="startDistance">The buffer width at the start of the line</param>
/// <param name="endDistance">The buffer width at the end of the line</param>
/// <returns>The variable-distance buffer polygon</returns>
public static Geometry Buffer(Geometry line, double startDistance,
double endDistance)
{
double[] distance = Interpolate((LineString)line,
startDistance, endDistance);
var vb = new VariableBuffer(line, distance);
return(vb.GetResult());
}
/// <summary>
/// Creates a buffer polygon along a line with the distance specified
/// at each vertex.
/// </summary>
/// <param name="line">The line to buffer</param>
/// <param name="distance">The buffer distance for each vertex of the line</param>
/// <returns>The variable-width buffer polygon</returns>
public static Geometry Buffer(Geometry line, double[] distance)
{
var vb = new VariableBuffer(line, distance);
return(vb.GetResult());
}