/// <summary>
/// 获取折线某一边的弯曲森林
/// </summary>
/// <param name="cpl">折线</param>
/// <param name="pParameterVariable">变量参数：包含线状要素，需建立CDT的图层，CDT被保存的文件名称</param>
/// <param name="pBendForest">待建立的一边的弯曲森林</param>
/// <param name="pParameterInitialize">参数</param>
/// <param name="strForeSide">弯曲在线状要素的侧边(右侧或左侧)，此处将建立另外一侧的弯曲森林</param>
/// <remarks>注意：本方法中的CreateCDT将会改变pParameterVariable中的CPolyline</remarks>
public void GetSideBendForest(CParameterVariable pParameterVariable, ref CBendForest pBendForest, CParameterInitialize pParameterInitialize, string strForeSide)
{
CTriangulator OptCDT = new CTriangulator();
CPolyline newcpl = new CPolyline(pParameterVariable.CPolyline.ID, pParameterVariable.CPolyline.CptLt);
List <CTriangle> CDTLt = OptCDT.CreateCDT(pParameterVariable.pFeatureLayer, ref newcpl, pParameterVariable.dblVerySmall);
pParameterVariable.CPolyline = newcpl;
//for (int i = 0; i < CDTLt.Count; i++) CDTLt[i].TID = i; //到此为止，约束三角形建立完成，各三角形不再发生变化，将各三角形编号
OptCDT.GetSETriangle(ref CDTLt, pParameterVariable.dblVerySmall); //确定共边三角形
OptCDT.ConfirmTriangleSide(ref CDTLt, pParameterVariable.CPolyline, pParameterVariable.dblVerySmall); //确定各三角形位于折线的左右边
OptCDT.SignTriTypeAll(ref CDTLt); //标记I、II、III、VI类三角形
if (strForeSide == "Left")
{
pBendForest = OptCDT.BuildBendForestNeed2(ref CDTLt, pParameterVariable.CPolyline.CptLt, "Right", pParameterVariable.dblVerySmall);
}
else if (strForeSide == "Right")
{
pBendForest = OptCDT.BuildBendForestNeed2(ref CDTLt, pParameterVariable.CPolyline.CptLt, "Left", pParameterVariable.dblVerySmall);
}
else
{
MessageBox.Show("GetSideBendForest出现问题！");
}
//保存三角网
//List<CTriangle> CTriangleLt = new List<CTriangle>();
//for (int i = 0; i < CDTLt.Count; i++)
//{
// if (CDTLt[i].strTriType != "I")
// {
// CTriangleLt.Add(CDTLt[i]);
// }
//}
//CHelpFunc.SaveTriangles(CTriangleLt, pParameterVariable.strName, pParameterInitialize.pWorkspace, pParameterInitialize.m_mapControl);
}
/// <summary>
/// 获取折线的弯曲森林
/// </summary>
/// <param name="cpl">折线</param>
/// <param name="pLeftBendForest">折线左边的弯曲森林</param>
/// <param name="pRightBendForest">折线右边的弯曲森林</param>
/// <param name="strName">留作保存三角网用</param>
/// <remarks>创建约束三角网时，并未使用外包多边形作为约束边
/// 注意：本方法中的CreateCDT将会改变pParameterVariable中的CPolyline</remarks>
public void GetBendForest(CParameterVariable pParameterVariable, ref CBendForest pLeftBendForest, ref CBendForest pRightBendForest, CParameterInitialize pParameterInitialize)
{
//List<CPoint> cptlt = pParameterVariable.CPolyline.CptLt;
//List<CEdge> CEdgeLt = new List<CEdge>();
//for (int i = 0; i < cptlt.Count - 1; i++)
//{
// CEdge pEdge = new CEdge(cptlt[i], cptlt[i + 1]);
// CEdgeLt.Add(pEdge);
//}
CTriangulator OptCDT = new CTriangulator();
CPolyline newcpl = new CPolyline(pParameterVariable.CPolyline.ID, pParameterVariable.CPolyline.CptLt);
List <CTriangle> CDTLt = OptCDT.CreateCDT(pParameterVariable.pFeatureLayer, ref newcpl, pParameterVariable.dblVerySmall);
pParameterVariable.CPolyline = newcpl;
//for (int i = 0; i < CDTLt.Count; i++) CDTLt[i].TID = i; //到此为止，约束三角形建立完成，各三角形不再发生变化，将各三角形编号
OptCDT.GetSETriangle(ref CDTLt, pParameterVariable.dblVerySmall); //确定共边三角形
OptCDT.ConfirmTriangleSide(ref CDTLt, pParameterVariable.CPolyline, pParameterVariable.dblVerySmall); //确定各三角形位于折线的左右边
OptCDT.SignTriTypeAll(ref CDTLt); //标记I、II、III、VI类三角形
pLeftBendForest = OptCDT.BuildBendForestNeed2(ref CDTLt, pParameterVariable.CPolyline.CptLt, "Left", pParameterVariable.dblVerySmall);
pRightBendForest = OptCDT.BuildBendForestNeed2(ref CDTLt, pParameterVariable.CPolyline.CptLt, "Right", pParameterVariable.dblVerySmall);
//保存三角网
List <CTriangle> CTriangleLt = new List <CTriangle>();
for (int i = 0; i < CDTLt.Count; i++)
{
if (CDTLt[i].strTriType != "I")
{
CTriangleLt.Add(CDTLt[i]);
}
}
//CHelpFunc.SaveTriangles(CTriangleLt, pParameterVariable.strName, pParameterInitialize.pWorkspace, pParameterInitialize.m_mapControl);
}