/// <summary>
/// 批量加载任务区 根据任务区所属的灾情id加载
/// </summary>
/// <param name="pMapCtr"></param>
/// <param name="id"></param>
public static void LoadTaskAreas(ESRI.ArcGIS.Controls.AxMapControl pMapCtr, int id)
{
//读取并图上显示任务区任务区信息
Core.Map.MapHelper map = new Core.Map.MapHelper(pMapCtr);
map.ClearAllElement();
//灾区
Core.DAL.TaskAreas t_dal = new Core.DAL.TaskAreas();
list_model = new List <Core.Model.TaskAreas>();
//交点
Core.DAL.DisaCrossPoint dal = new Core.DAL.DisaCrossPoint();
List <Core.Model.DisaCrossPoint> models = new List <Core.Model.DisaCrossPoint>();
//集结点
Core.DAL.DisaGatherPoint g_dal = new Core.DAL.DisaGatherPoint();
List <Core.Model.DisaGatherPoint> g_models = new List <Core.Model.DisaGatherPoint>();
IEnvelope envelope = null;
try
{
list_model = t_dal.GetList(id);
if (list_model.Count == 0)
{
MessageBox.Show("该灾区尚未生成任务区！");
return;
}
//加载
foreach (Core.Model.TaskAreas t_model in list_model)
{
LoadTaskArea(map, t_model);
IPolygon pPolygon = Core.Generic.Convertor.ToPolygon(t_model.PolygonString);
//获取多个Polygon的Envelope外包矩形
if (envelope == null)
{
envelope = pPolygon.Envelope;
}
else
{
envelope.Union(pPolygon.Envelope);
}
//models = dal.GetList(t_model.ID, id);
//foreach (Core.Model.DisaCrossPoint model in models)
//{
// LoadCrossPoint(map, model);
//}
//g_models = g_dal.GetList(t_model.ID, id);
//foreach (Core.Model.DisaGatherPoint model in g_models)
//{
// LoadGatherPoint(map, model);
//}
}
if (!envelope.IsEmpty)
{
envelope.Expand(1.1, 1.1, true);
}
pMapCtr.Extent = envelope;
pMapCtr.ActiveView.Refresh();
}
catch (Exception ex)
{
MessageBox.Show("错误：" + ex);
}
}
/// <summary>
/// 构建监测任务区
/// </summary>
/// <param name="pMapCtr"></param>
public static void BuildTaskArea(ESRI.ArcGIS.Controls.AxMapControl pMapCtr, int id)
{
if (DataGrid == null)
{
MessageBox.Show("您可能尚对灾区进行网格剖分，请先进行网格化剖分后再构建任务区！");
return;
}
//throw new Exception("您可能尚对灾区进行网格剖分，请先进行网格化剖分后再构建任务区!");
if (DataGrid.Count == 0)
{
MessageBox.Show("没有监测要素的单元格！");
return;
}
//throw new Exception("没有监测要素的单元格！");
TaskAreas = new List <IPolygon>();
IPolygon area;
Geometry.Grid _grid;
try
{
foreach (Geometry.Grid grid in DataGrid)
{
_grid = grid;
if (grid.isMerged)
{
continue; //如果已经合并过，则跳过
}
if (!ExistsGridInDataGrid(ref _grid))
{
continue; //如果不有数据单元格中，则跳过
}
area = grid.BuildPolygon();
grid.isMerged = true;
//SetGridMerged(grid);
MergeNN(grid, ref area);
TaskAreas.Add(area);
}
if (TaskAreas.Count == 0)
{
throw (new Exception("没有成功生成任务区域!"));
}
//存储任务区信息
int i = 1;
foreach (IPolygon polygon in TaskAreas)
{
Core.Model.TaskAreas model = new Core.Model.TaskAreas();
Core.DAL.TaskAreas dal = new Core.DAL.TaskAreas();
model.Name = "任务区" + i;
model.PID = id;
model.PolygonString = CoScheduling.Core.Generic.Convertor.ToString(polygon);
dal.Add(model);
i++;
}
//显示任务区
LoadTaskAreas(pMapCtr, id);
//生成交点
// getIntersect(TaskAreas, map);
}
catch (Exception ex) { MessageBox.Show("错误" + ex.Message); }
finally
{
TaskAreas = null;
}
}
