/// <summary>
/// Computes the buffer for a geometry for a given buffer distance
/// and accuracy of approximation.
/// </summary>
/// <param name="g"> the geometry to buffer</param>
/// <param name="distance"> the buffer distance</param>
/// <param name="parameters"> the buffer parameters to use</param>
/// <returns> the buffer of the input geometry</returns>
public static Geometry Buffer(Geometry g, double distance, BufferParameters parameters)
{
var bufOp = new BufferOp(g, parameters);
var geomBuf = bufOp.GetResultGeometry(distance);
return(geomBuf);
}
public OffsetCurveBuilder(
PrecisionModel precisionModel,
BufferParameters bufParams
)
{
_precisionModel = precisionModel;
_bufParams = bufParams;
}
public OffsetSegmentGenerator(PrecisionModel precisionModel,
BufferParameters bufParams, double distance)
{
_precisionModel = precisionModel;
_bufParams = bufParams;
// compute intersections in full precision, to provide accuracy
// the points are rounded as they are inserted into the curve line
_li = new RobustLineIntersector();
_filletAngleQuantum = Math.PI / 2.0 / bufParams.QuadrantSegments;
/**
* Non-round joins cause issues with short closing segments, so don't use
* them. In any case, non-round joins only really make sense for relatively
* small buffer distances.
*/
if (bufParams.QuadrantSegments >= 8 &&
bufParams.JoinStyle == JoinStyle.Round)
{
_closingSegLengthFactor = MaxClosingSegLenFactor;
}
Init(distance);
}
public OldOffsetCurveBuilder(
PrecisionModel precisionModel,
BufferParameters bufParams
)
{
_precisionModel = precisionModel;
_bufParams = bufParams;
// compute intersections in full precision, to provide accuracy
// the points are rounded as they are inserted into the curve line
_li = new RobustLineIntersector();
_filletAngleQuantum = Math.PI / 2.0 / bufParams.QuadrantSegments;
/**
* Non-round joins cause issues with short closing segments,
* so don't use them. In any case, non-round joins
* only really make sense for relatively small buffer distances.
*/
if (bufParams.QuadrantSegments >= 8 &&
bufParams.JoinStyle == JoinStyle.Round)
{
closingSegFactor = MAX_CLOSING_SEG_FRACTION;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="BufferBuilder"/> class using the given parameters.
/// </summary>
/// <param name="bufParams">The buffer parameters to use.</param>
public BufferBuilder(BufferParameters bufParams)
{
_bufParams = bufParams;
}
/// <summary>
/// Initializes a buffer computation for the given geometry
/// with the given set of parameters
/// </summary>
/// <param name="g"> the geometry to buffer</param>
/// <param name="bufParams"> the buffer parameters to use</param>
public BufferOp(Geometry g, BufferParameters bufParams)
{
_argGeom = g;
_bufParams = bufParams;
}
