/// <summary>
/// 图形的内缩小
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ElasticityTestBtn_Click(object sender, RoutedEventArgs e)
{
List <Geometry2D> gss = this.drawingKernel.GeometryShapes;
List <Line2D> lines = new List <Line2D>();
foreach (var g in gss)
{
if (g is DrawingKernel.Geometries.Primitives.LineGeometry)
{
DrawingKernel.Geometries.Primitives.LineGeometry line = g as DrawingKernel.Geometries.Primitives.LineGeometry;
lines.Add(Line2D.Create(line.Start, line.End));
}
if (g.GeometryId == "tp")
{
this.drawingKernel.RemoveGeometryShape(g);
}
}
//查找封闭区域
List <List <Line2D> > nn = GraphicAlgorithm.ClosedLookup(lines, true, true);
if (nn != null && nn.Count > 0)
{
List <Line2D> nt = nn[0];
List <Line2D> wtn = GraphicAlgorithm.Elastic(nt, -20);
PolygonGeometry pg = new PolygonGeometry();
wtn.ForEach(y => { pg.PPoints.Add(y.Start); });
pg.FillColor = KernelProperty.GetRandomColor();
pg.GeometryId = "tp";
this.drawingKernel.AddShape(pg);
}
}
private void ClosetTestBtn2_Click(object sender, RoutedEventArgs e)
{
//封闭区域测试
List <Geometry2D> gss = this.drawingKernel.GeometryShapes;
List <Line2D> lines = new List <Line2D>();
//转换图形
foreach (var g in gss)
{
if (g is DrawingKernel.Geometries.Primitives.LineGeometry)
{
DrawingKernel.Geometries.Primitives.LineGeometry line = g as DrawingKernel.Geometries.Primitives.LineGeometry;
lines.Add(Line2D.Create(line.Start, line.End));
}
if (g.GeometryId == "tp")
{
this.drawingKernel.RemoveGeometryShape(g);
}
}
//查找封闭区域
List <List <Line2D> > nn = GraphicAlgorithm.ClosedLookup(lines, false, true);
if (nn != null)
{
nn.ForEach(x =>
{
PolygonGeometry pg = new PolygonGeometry();
x.ForEach(y => { pg.PPoints.Add(y.Start); });
pg.FillColor = KernelProperty.GetRandomColor();
pg.GeometryId = "tp";
this.drawingKernel.AddShape(pg);
});
}
}
/// <summary>
///
/// </summary>
/// <param name="allLines"> //allLines是连续的线</param>
public List <List <Line3D> > FindAllFloorOutLines(List <Line3D> allLines)
{
// List<Line3D> resultDecomposedLinesTT = DecomposeLines(allLines);
List <Line3D> resultDecomposedLines = new List <Line3D>();
DecomposeCurves(allLines, resultDecomposedLines);
//查找外框线
List <Line3D> sortOutLines = GraphicAlgorithm.ClosedLookup(allLines, true, false).FirstOrDefault();
List <Line3D> decomposedOutlines = new List <Line3D>();
foreach (var line in resultDecomposedLines)
{
if (IsLineContained(line, sortOutLines))
{
decomposedOutlines.Add(line);
}
}
decomposedOutlines = decomposedOutlines.SortLinesByCounterClockwise(Vector3D.BasisZ);
List <List <Line3D> > curveArrarys = new List <List <Line3D> >();
List <Line3D> usedLines = new List <Line3D>();
FindLineArrarys(resultDecomposedLines, decomposedOutlines, usedLines, curveArrarys);
return(curveArrarys);
}
/// <summary>
/// 进行矩形划分出任意多个矩形元素
/// </summary>
/// <param name="lines"></param>
/// <returns></returns>
public List <List <Line2D> > Division(List <Line2D> lines)
{
if (lines != null && lines.Count > 4)
{
//首先要把所有的线打断
List <Line2D> decomposesLines = GraphicAlgorithm.Decompose(lines);
//查找最大的封闭区域,且不需要打断
List <List <Line2D> > large = GraphicAlgorithm.ClosedLookup(decomposesLines, true, false);
if (large != null && large.Count > 0)
{
//获取所有外部的线段
List <Line2D> outerSide = large.FirstOrDefault();
//获取所有无端点的线段
List <Line2D> weeds = GraphicAlgorithm.WeedLess(decomposesLines);
//获取内部线段，要去掉
//List<Line2D> innerSide = GraphicAlgorithm.RejectLines(decomposesLines,);
}
}
return(null);
}
/// <summary>
/// 获取重合区域的图形
/// </summary>
/// <param name="clines"></param>
/// <param name="outLines"></param>
/// <returns></returns>
private List <List <Line2D> > GetSuperposition(List <Line2D> clines, List <Line2D> outLines)
{
List <Line2D> mgslines = new List <Line2D>(clines);
mgslines.AddRange(outLines);
//查找到所有最小的封闭区域
var closelines = GraphicAlgorithm.ClosedLookup(mgslines, false, true);
List <List <Line2D> > closeIntersets = new List <List <Line2D> >();
//只要指定区域的一个点，不在任何一个给定的图形内部，则剔除
closelines.ForEach(x => {
List <List <Line2D> > nlines = null;
int r1 = Check(x, clines, out nlines);
int r2 = Check(x, outLines, out nlines);
if (r1 == 1 && r2 == 1)
{
closeIntersets.Add(x);
}
});
return(closeIntersets);
}