/// <summary>
/// 平滑后的建筑物底边
/// </summary>
public bool constuctBuildingVertex()
{
DataTable gridTable = IbatisHelper.ExecuteQueryForDataTable("GetAllBuildingVertex", null);
if (gridTable.Rows.Count < 1)
{
return(false);
}
IDataset dataset = (IDataset)pFeatureLayer.FeatureClass;
IWorkspace workspace = dataset.Workspace;
IWorkspaceEdit workspaceEdit = (IWorkspaceEdit)workspace;
workspaceEdit.StartEditing(true);
workspaceEdit.StartEditOperation();
IFeatureCursor pFeatureCursor = pFeatureClass.Insert(true);
IFeatureBuffer pFeatureBuffer;
List <IPoint> pts = new List <IPoint>();
int id = Convert.ToInt32(gridTable.Rows[0]["BuildingID"]);
float x = (float)Convert.ToDouble(gridTable.Rows[0]["VertexX"].ToString());
float y = (float)Convert.ToDouble(gridTable.Rows[0]["VertexY"].ToString());
IPoint pointA = GeometryUtilities.ConstructPoint3D(x, y, 0);
pts.Add(pointA);
int lastid = id;
//循环添加
for (int i = 1; i < gridTable.Rows.Count; i++)
{
DataRow dataRow = gridTable.Rows[i];
id = Convert.ToInt32(dataRow["BuildingID"]);
if (!(float.TryParse(dataRow["VertexX"].ToString(), out x) && float.TryParse(dataRow["VertexY"].ToString(), out y)))
{
continue;
}
if (i == gridTable.Rows.Count - 1 || id != lastid)
{
IGeometryCollection pGeometryColl = GeometryUtilities.ConstructMultiPath(pts);
pFeatureBuffer = pFeatureClass.CreateFeatureBuffer();
pFeatureBuffer.Shape = pGeometryColl as IGeometry;
pFeatureCursor.InsertFeature(pFeatureBuffer);
lastid = id;
pts.Clear();
}
pointA = GeometryUtilities.ConstructPoint3D(x, y, 0);
pts.Add(pointA);
}
//一次性提交
pFeatureCursor.Flush();
//stop editing
workspaceEdit.StopEditOperation();
workspaceEdit.StopEditing(true);
IFeatureClassManage pFeatureClassManage = (IFeatureClassManage)pFeatureClass;
pFeatureClassManage.UpdateExtent();
//GISMapApplication.Instance.RefreshLayer(pFeatureLayer);
return(true);
}
/// <summary>
/// 构造 TIN
/// </summary>
public bool constuctTIN1()
{
double minX = 0, minY = 0, maxX = 0, maxY = 0;
InternalInterference.Grid.GridHelper.getInstance().getMinXY(ref minX, ref minY);
InternalInterference.Grid.GridHelper.getInstance().getMaxXY(ref maxX, ref maxY);
Hashtable ht = new Hashtable();
ht["minX"] = minX;
ht["maxX"] = maxX;
ht["minY"] = minY;
ht["maxY"] = maxY;
DataTable gridTable = IbatisHelper.ExecuteQueryForDataTable("GetTINVertexByArea", ht);
if (gridTable.Rows.Count < 1)
{
return(false);
}
IDataset dataset = (IDataset)pFeatureLayer.FeatureClass;
IWorkspace workspace = dataset.Workspace;
IWorkspaceEdit workspaceEdit = (IWorkspaceEdit)workspace;
workspaceEdit.StartEditing(true);
workspaceEdit.StartEditOperation();
IFeatureCursor pFeatureCursor = pFeatureClass.Insert(true);
IFeatureBuffer pFeatureBuffer;
float x, y, z;
List <IPoint> pts = new List <IPoint>();
//循环添加
int cnt = 0;
//初始化进度信息
LoadInfo loadInfo = new LoadInfo();
loadInfo.count = gridTable.Rows.Count;
loadInfo.loadCreate();
//循环添加
foreach (DataRow dataRow in gridTable.Rows)
{
if (cnt++ % 1000 == 0)
{
loadInfo.cnt = cnt;
loadInfo.loadUpdate();
Console.WriteLine("已计算 " + cnt + "/" + gridTable.Rows.Count);
}
if (!(float.TryParse(dataRow["VertexX"].ToString(), out x) && float.TryParse(dataRow["VertexY"].ToString(), out y) && float.TryParse(dataRow["VertexHeight"].ToString(), out z)))
{
continue;
}
IPoint pointA = GeometryUtilities.ConstructPoint3D(x, y, z);
pts.Add(pointA);
if (pts.Count >= 3)
{
IGeometryCollection pGeometryColl = GeometryUtilities.ConstructMultiPath(pts);
pFeatureBuffer = pFeatureClass.CreateFeatureBuffer();
pFeatureBuffer.Shape = pGeometryColl as IGeometry;
pFeatureCursor.InsertFeature(pFeatureBuffer);
pts.Clear();
}
}
//一次性提交
pFeatureCursor.Flush();
//stop editing
workspaceEdit.StopEditOperation();
workspaceEdit.StopEditing(true);
IFeatureClassManage pFeatureClassManage = (IFeatureClassManage)pFeatureClass;
pFeatureClassManage.UpdateExtent();
System.Runtime.InteropServices.Marshal.ReleaseComObject(pFeatureClassManage);
System.Runtime.InteropServices.Marshal.ReleaseComObject(dataset);
System.Runtime.InteropServices.Marshal.ReleaseComObject(workspace);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pFeatureCursor);
//更新完成进度信息
loadInfo.cnt = cnt;
loadInfo.loadUpdate();
//GISMapApplication.Instance.RefreshLayer(pFeatureLayer);
return(true);
}