public void BasicBuffer()
{
ILineString ls = new WKTReader().Read("LINESTRING(0 0, 100 100)") as ILineString;
Assert.IsNotNull(ls);
BufferBuilder bb = new BufferBuilder();
IGeometry res = bb.Buffer(ls, 10);
Assert.IsNotNull(res);
}
public void BasicBufferPoint()
{
IPoint ls = new WKTReader().Read("POINT(0 0)") as IPoint;
Assert.IsNotNull(ls);
BufferBuilder bb = new BufferBuilder();
bb.EndCapStyle = BufferStyle.CapSquare;
bb.QuadrantSegments = 2;
IGeometry actual = bb.Buffer(ls, 10);
IGeometry expected = new WKTReader().Read("POLYGON((10 10, -10 10, -10 -10, 10 -10, 10 10))");
Assert.AreEqual(actual, expected);
}
/// <summary>
///
/// </summary>
/// <param name="fixedPM"></param>
private void BufferFixedPrecision(IPrecisionModel fixedPM)
{
INoder noder = new ScaledNoder(new MCIndexSnapRounder(new PrecisionModel(1.0)), fixedPM.Scale);
BufferBuilder bufBuilder = new BufferBuilder();
bufBuilder.WorkingPrecisionModel = fixedPM;
bufBuilder.Noder = noder;
bufBuilder.QuadrantSegments = quadrantSegments;
bufBuilder.EndCapStyle = endCapStyle;
// this may throw an exception, if robustness errors are encountered
resultGeometry = bufBuilder.Buffer(argGeom, distance);
}
/// <summary>
///
/// </summary>
private void BufferOriginalPrecision()
{
try
{
BufferBuilder bufBuilder = new BufferBuilder();
bufBuilder.QuadrantSegments = quadrantSegments;
bufBuilder.EndCapStyle = endCapStyle;
resultGeometry = bufBuilder.Buffer(argGeom, distance);
}
catch (TopologyException ex)
{
saveException = ex;
// don't propagate the exception - it will be detected by fact that resultGeometry is null
}
}
/// <summary>
///
/// </summary>
/// <param name="fixedPM"></param>
private void BufferFixedPrecision(IPrecisionModel fixedPM)
{
INoder noder = new ScaledNoder(new MCIndexSnapRounder(new PrecisionModel(1.0)), fixedPM.Scale);
var bufBuilder = new BufferBuilder
{
WorkingPrecisionModel = fixedPM,
Noder = noder,
QuadrantSegments = quadrantSegments,
EndCapStyle = endCapStyle
};
// this may throw an exception, if robustness errors are encountered
resultGeometry = bufBuilder.Buffer(argGeom, distance);
}
/// <summary>
///
/// </summary>
private void BufferOriginalPrecision()
{
try
{
var bufBuilder = new BufferBuilder {QuadrantSegments = quadrantSegments, EndCapStyle = endCapStyle};
resultGeometry = bufBuilder.Buffer(argGeom, distance);
}
catch (ApplicationException ex)
{
saveException = ex;
// don't propagate the exception - it will be detected by fact that resultGeometry is null
}
}
