/// <summary>
/// Computes the buffer of a point for a given buffer distance.
/// </summary>
/// <param name="g">The point to buffer.</param>
/// <param name="distance">The buffer distance.</param>
/// <returns> The buffer of the input point.</returns>
public static IGeometry Buffer(IGeometry g, double distance)
{
BufferOp gBuf = new BufferOp(g);
IGeometry geomBuf = gBuf.GetResultGeometry(distance);
return(geomBuf);
}
/// <summary>
/// Computes the buffer of a point for a given buffer distance,
/// using the given Cap Style for borders of the point.
/// </summary>
/// <param name="g">The point to buffer.</param>
/// <param name="distance">The buffer distance.</param>
/// <param name="endCapStyle">Cap Style to use for compute buffer.</param>
/// <returns> The buffer of the input point.</returns>
public static IGeometry Buffer(IGeometry g, double distance, BufferStyle endCapStyle)
{
BufferOp gBuf = new BufferOp(g);
gBuf.EndCapStyle = endCapStyle;
IGeometry geomBuf = gBuf.GetResultGeometry(distance);
return geomBuf;
}
public void BufferAroundLine()
{
var form = new Form {BackColor = Color.White, Size = new Size(500, 200)};
form.Paint += delegate
{
Graphics g = form.CreateGraphics();
List<ICoordinate> vertices = new List<ICoordinate>();
vertices.Add(new Coordinate(0, 4));
vertices.Add(new Coordinate(40, 15));
vertices.Add(new Coordinate(50, 50));
vertices.Add(new Coordinate(100, 62));
vertices.Add(new Coordinate(240, 45));
vertices.Add(new Coordinate(350, 5));
IGeometry geometry = new LineString(vertices.ToArray());
g.DrawLines(new Pen(Color.Blue, 1), GetPoints(geometry));
BufferOp bufferOp = new BufferOp(geometry);
bufferOp.EndCapStyle = BufferStyle.CapButt;
bufferOp.QuadrantSegments = 0;
IGeometry bufGeo = bufferOp.GetResultGeometry(5);
bufGeo = bufGeo.Union(geometry);
g.FillPolygon(new SolidBrush(Color.Pink), GetPoints(bufGeo));
};
WindowsFormsTestHelper.ShowModal(form);
}
/// <summary>
/// Computes the buffer of a point for a given buffer distance,
/// using the given Cap Style for borders of the point.
/// </summary>
/// <param name="g">The point to buffer.</param>
/// <param name="distance">The buffer distance.</param>
/// <param name="endCapStyle">Cap Style to use for compute buffer.</param>
/// <returns> The buffer of the input point.</returns>
public static IGeometry Buffer(IGeometry g, double distance, BufferStyle endCapStyle)
{
BufferOp gBuf = new BufferOp(g);
gBuf.EndCapStyle = endCapStyle;
IGeometry geomBuf = gBuf.GetResultGeometry(distance);
return(geomBuf);
}
/// <summary>
/// Computes the buffer for a point for a given buffer distance
/// and accuracy of approximation.
/// </summary>
/// <param name="g">The point 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 point.</returns>
public static IGeometry Buffer(IGeometry g, double distance, int quadrantSegments)
{
BufferOp bufOp = new BufferOp(g);
bufOp.QuadrantSegments = quadrantSegments;
IGeometry geomBuf = bufOp.GetResultGeometry(distance);
return(geomBuf);
}
/// <summary>
/// Computes the buffer for a point for a given buffer distance
/// and accuracy of approximation.
/// </summary>
/// <param name="g">The point to buffer.</param>
/// <param name="distance">The buffer distance.</param>
/// <param name="quadrantSegments">The number of segments used to approximate a quarter circle.</param>
/// <param name="endCapStyle">Cap Style to use for compute buffer.</param>
/// <returns>The buffer of the input point.</returns>
public static IGeometry Buffer(IGeometry g, double distance, int quadrantSegments, BufferStyle endCapStyle)
{
var bufOp = new BufferOp(g)
{
EndCapStyle = endCapStyle, QuadrantSegments = quadrantSegments
};
var geomBuf = bufOp.GetResultGeometry(distance);
return(geomBuf);
}
/// <summary>
/// Computes the buffer for a point for a given buffer distance
/// and accuracy of approximation.
/// </summary>
/// <param name="g">The point 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 point.</returns>
public static IGeometry Buffer(IGeometry g, double distance, int quadrantSegments)
{
var bufOp = new BufferOp(g) {QuadrantSegments = quadrantSegments};
var geomBuf = bufOp.GetResultGeometry(distance);
return geomBuf;
}
/// <summary>
/// Computes the buffer of a point for a given buffer distance.
/// </summary>
/// <param name="g">The point to buffer.</param>
/// <param name="distance">The buffer distance.</param>
/// <returns> The buffer of the input point.</returns>
public static IGeometry Buffer(IGeometry g, double distance)
{
var gBuf = new BufferOp(g);
var geomBuf = gBuf.GetResultGeometry(distance);
return geomBuf;
}
/// <summary>
/// Computes the buffer for a point for a given buffer distance
/// and accuracy of approximation.
/// </summary>
/// <param name="g">The point to buffer.</param>
/// <param name="distance">The buffer distance.</param>
/// <param name="quadrantSegments">The number of segments used to approximate a quarter circle.</param>
/// <param name="endCapStyle">Cap Style to use for compute buffer.</param>
/// <returns>The buffer of the input point.</returns>
public static IGeometry Buffer(IGeometry g, double distance, int quadrantSegments, BufferStyle endCapStyle)
{
BufferOp bufOp = new BufferOp(g);
bufOp.EndCapStyle = endCapStyle;
bufOp.QuadrantSegments = quadrantSegments;
IGeometry geomBuf = bufOp.GetResultGeometry(distance);
return geomBuf;
}
