/// <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 IGeometry Buffer(IGeometry g, double distance, IBufferParameters parameters)
{
var bufOp = new BufferOp(g, parameters);
var geomBuf = bufOp.GetResultGeometry(distance);
return(geomBuf);
}
/// <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="quadrantSegments"> the number of segments used to approximate a quarter circle</param>
/// <returns> the buffer of the input geometry</returns>
public static IGeometry Buffer(IGeometry g, double distance, int quadrantSegments)
{
var bufOp = new BufferOp(g);
bufOp.QuadrantSegments = quadrantSegments;
var geomBuf = bufOp.GetResultGeometry(distance);
return(geomBuf);
}
/*
* private static double OldPrecisionScaleFactor(Geometry g,
* double distance,
* int maxPrecisionDigits)
* {
* var env = g.EnvelopeInternal;
* var envSize = Math.Max(env.Height, env.Width);
* var expandByDistance = distance > 0.0 ? distance : 0.0;
* var bufEnvSize = envSize + 2 * expandByDistance;
*
* // the smallest power of 10 greater than the buffer envelope
* var bufEnvLog10 = (int)(Math.Log(bufEnvSize) / Math.Log(10) + 1.0);
* var minUnitLog10 = bufEnvLog10 - maxPrecisionDigits;
* // scale factor is inverse of min Unit size, so flip sign of exponent
* var scaleFactor = Math.Pow(10.0, -minUnitLog10);
* return scaleFactor;
* }
*/
/// <summary>
/// Computes the buffer of a geometry for a given buffer distance.
/// </summary>
/// <param name="g"> the geometry to buffer</param>
/// <param name="distance"> the buffer distance</param>
/// <returns> the buffer of the input geometry</returns>
public static IGeometry Buffer(IGeometry g, double distance)
{
var gBuf = new BufferOp(g);
var geomBuf = gBuf.GetResultGeometry(distance);
//BufferDebug.saveBuffer(geomBuf);
//BufferDebug.runCount++;
return(geomBuf);
}