/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
List <LineObjClass> lineobjs = new List <LineObjClass>();
List <Point3d> points = new List <Point3d>();
double err = 0;
int pointsCount = 0; //添加到points列表中点的个数
int pointsNo = 0; //线段端点的索引
DataTree <int> tree = new DataTree <int>();
DA.GetDataList(0, lineobjs);
DA.GetData(1, ref err);
int num = lineobjs.Count;
for (int i = 0; i < num; i++)
{
List <Point3d> lineV = new List <Point3d>();
List <int> vInd = new List <int>();
GH_Path path = new GH_Path(tree.BranchCount);
Point3d p0 = lineobjs[i].Line.PointAt(0);
Point3d p1 = lineobjs[i].Line.PointAt(1);
lineV.Add(p0);
lineV.Add(p1);
for (int j = 0; j < lineV.Count; j++)
{
bool bo;
int ind;
FunctionClass.BigThanErr(points, lineV[j], err, out bo, out ind);
if (bo)//如果点lineV[j]不跟其他点重合
{
points.Add(lineV[j]);
pointsCount += 1;
pointsNo = pointsCount;
}
else
{
pointsNo = ind + 1;
}
vInd.Add(pointsNo);
lineobjs[i].Vertices = vInd;
tree.Add(vInd[j], path);
}
}
DA.SetDataList(0, points);
DA.SetDataList(1, lineobjs);
DA.SetDataTree(2, tree);
}
