public override void Check(IEnumerable <ObjectId> selectedObjectIds)
{
var watch = Stopwatch.StartNew();
if (!selectedObjectIds.Any())
{
return;
}
var database = Editor.Document.Database;
using (var transaction = database.TransactionManager.StartTransaction())
{
var curve2dBspBuilder = new Curve2dBspBuilder(selectedObjectIds, transaction);
_crossingInfos = curve2dBspBuilder.SearchDuplicateEntities();
transaction.Commit();
}
//int count = 0;
//foreach (var curveCrossingInfo in _crossingInfos)
//{
// count += curveCrossingInfo.IntersectPoints.Length;
//}
//Editor.WriteMessage("\n共{0}个交点", count);
// the code that you want to measure comes here
watch.Stop();
var elapsedMs = watch.ElapsedMilliseconds;
Editor.WriteMessage("\n查找重复实体花费时间{0}毫秒", elapsedMs);
}
public static Dictionary <ObjectId, List <Point3d> > CalculateIntersection(IEnumerable <ObjectId> objectIds,
bool includeInline, Database database)
{
IEnumerable <IntersectionInfo> intersections = null;
// 调低计算精度，否则有些交叉因为精度问题算不出来
var oldTolerance = DoubleExtensions.STolerance;
DoubleExtensions.STolerance = 1e-05;
using (var tolerance = new SafeToleranceOverride(DoubleExtensions.STolerance))
using (var transaction = database.TransactionManager.StartTransaction())
{
// Build curve bsp tree and search all intersections
var curve2dBspBuilder = new Curve2dBspBuilder(objectIds, transaction);
intersections = curve2dBspBuilder.SearchRealIntersections(includeInline: includeInline);
transaction.Commit();
}
// 恢复默认的计算精度值
DoubleExtensions.STolerance = oldTolerance;
// Group intersections by object id.
var group = new Dictionary <ObjectId, List <Point3d> >();
foreach (var intersection in intersections)
{
if (!group.ContainsKey(intersection.SourceId))
{
group[intersection.SourceId] = new List <Point3d>();
}
var points = group[intersection.SourceId];
if (!points.Contains(intersection.IntersectPoint))
{
points.Add(intersection.IntersectPoint);
}
if (intersection.SourceId == intersection.TargetId)
{
continue;
}
if (!group.ContainsKey(intersection.TargetId))
{
group[intersection.TargetId] = new List <Point3d>();
}
points = group[intersection.TargetId];
if (!points.Contains(intersection.IntersectPoint))
{
points.Add(intersection.IntersectPoint);
}
}
return(group);
}