public static IPointCollection TriangleToPolygon(ITinTriangle itinTriangle_0)
{
IPointCollection pointCollection = new Ring();
itinTriangle_0.QueryAsRing(pointCollection as IRing);
IPointCollection pointCollection2 = new Polygon();
pointCollection2.AddPointCollection(pointCollection);
return(pointCollection2);
}
//三角形
public static ITinTriangleArray GetIncidentTriangles(ITinNode Node, double range)
{
ITinNodeArray IncidentNode1 = Node.GetAdjacentNodes();
ITinTriangleArray IncidentTriangle1 = Node.GetIncidentTriangles();
int IncidentNodeCount1 = IncidentNode1.Count;
ITinTriangleArray[] IncidentTriangle2 = new ITinTriangleArray[IncidentNodeCount1];
//设置的长度1000
ITinTriangle[] IsRepeat = new ITinTriangle[1000];
int indec = 0;
for (int i = 0; i < IncidentNodeCount1; i++)
{
ITinNode node1 = IncidentNode1.get_Element(i);
ITinTriangleArray Triangle2 = node1.GetIncidentTriangles();
IncidentTriangle2[i] = Triangle2;
}
for (int i = 0; i < IncidentNodeCount1; i++)
{
int IncidentNodeCount2 = IncidentTriangle2[i].Count;
for (int j = 0; j < IncidentNodeCount2; j++)
{
IsRepeat[indec] = IncidentTriangle2[i].get_Element(j);
indec++;
}
}
for (int i = 0; i < 1000; i++)
{
if (IsRepeat[i] == null)
{
break;
}
IPoint Cpoint = new PointClass();
IsRepeat[i].QueryCentroid(Cpoint);
bool IsNeed = true;
for (int j = 0; j < IncidentTriangle1.Count; j++)
{
if ((IsRepeat[i].Index == IncidentTriangle1.get_Element(j).Index) || Math.Abs(Cpoint.X - Node.X) > (GetOriginal.RasterSize * range) || Math.Abs(Cpoint.Y - Node.Y) > (GetOriginal.RasterSize * range))
{
IsNeed = false;
break;
}
}
if (IsNeed == true)
{
IncidentTriangle1.Add(IsRepeat[i]);
}
}
return(IncidentTriangle1);
}
public void CreatEnclose()
{
//边界索引
//UP
ArrayList[] UpIndexList = new ArrayList[4];
//DOWN
ArrayList[] DownIndexList = new ArrayList[4];
for (int i = 0; i < 4; i++)
{
UpIndexList[i] = new ArrayList();
DownIndexList[i] = new ArrayList();
}
//四壁
for (int i = 0; i < NodeCount - 4; i++)
{
if (orderNodeU[i].Y < YMin + RasterSize / 2)
{
UpIndexList[0].Add(i);
}
if (orderNodeU[i].X > XMax - RasterSize / 2)
{
UpIndexList[1].Add(i);
}
if (orderNodeU[i].Y > YMax - RasterSize / 2)
{
UpIndexList[2].Add(i);
}
if (orderNodeU[i].X < XMin + RasterSize / 2)
{
UpIndexList[3].Add(i);
}
}
for (int i = 0; i < 4; i++)
{
DownIndexList[i].AddRange(UpIndexList[i]);
DownIndexList[i].Reverse();
}
multiPatchGeometryCollection[TINID] = new MultiPatchClass();
IPointCollection[] ringPointCollection = new IPointCollection[4];
int[] BoundryCount = new int[4];
for (int i = 0; i < 4; i++)
{
BoundryCount[i] = UpIndexList[i].Count;
ringPointCollection[i] = new RingClass();
}
for (int i = 0; i < 4; i++)
{
//up
for (int j = 0; j < BoundryCount[i]; j++)
{
IPoint Upoint = new PointClass();
Material.MakeZAware(Upoint);
orderNodeU[(int)(UpIndexList[i])[j]].QueryAsPoint(Upoint);
ringPointCollection[i].AddPoint(Upoint, ref _missing, ref _missing);
}
//down
for (int j = 0; j < BoundryCount[i]; j++)
{
IPoint Dpoint = new PointClass();
Material.MakeZAware(Dpoint);
orderNodeD[(int)(DownIndexList[i])[j]].QueryAsPoint(Dpoint);
ringPointCollection[i].AddPoint(Dpoint, ref _missing, ref _missing);
}
//最后一点
IPoint LastPoint = new PointClass();
Material.MakeZAware(LastPoint);
orderNodeU[(int)(UpIndexList[i])[0]].QueryAsPoint(LastPoint);
ringPointCollection[i].AddPoint(LastPoint, ref _missing, ref _missing);
}
for (int j = 0; j < 4; j++)
{
multiPatchGeometryCollection[TINID].AddGeometry(ringPointCollection[j] as IGeometry, ref _missing, ref _missing);
}
////添加上下曲面
//up
int triangleCountU = tinU.TriangleCount;
for (int i = 0; i < triangleCountU; i++)
{
bool add = true;
ITinTriangle triangleU = tinU.GetTriangle(i + 1);
if (triangleU.IsEmpty)
{
continue;
}
IPointCollection trianglePointCollection = new TrianglesClass();;
for (int j = 0; j < 3; j++)
{
IPoint tp = new PointClass();
Material.MakeZAware(tp);
(triangleU.get_Node(j)).QueryAsPoint(tp);
if (tp.Z.Equals(Double.NaN))
{
add = false;
break;
}
trianglePointCollection.AddPoint(tp, ref _missing, ref _missing);
}
if (add == true)
{
multiPatchGeometryCollection[TINID].AddGeometry(trianglePointCollection as IGeometry, ref _missing, ref _missing);
}
}
//down
int triangleCountD = tinD.TriangleCount;
for (int i = 0; i < triangleCountD; i++)
{
bool add = true;
ITinTriangle triangleD = tinD.GetTriangle(i + 1);
if (triangleD.IsEmpty)
{
continue;
}
IPointCollection trianglePointCollection = new TrianglesClass();;
for (int j = 0; j < 3; j++)
{
IPoint tp = new PointClass();
Material.MakeZAware(tp);
(triangleD.get_Node(j)).QueryAsPoint(tp);
if (tp.Z.Equals(Double.NaN))
{
add = false;
break;
}
trianglePointCollection.AddPoint(tp, ref _missing, ref _missing);
}
if (add == true)
{
multiPatchGeometryCollection[TINID].AddGeometry(trianglePointCollection as IGeometry, ref _missing, ref _missing);
}
}
}
