//取消监控
private void RemoveWatching(Team team)
{
//删除所有信息点
try
{
StringBuilder stb = new StringBuilder("1<>0");
foreach (Car car in team.Cars)
{
stb.Append(" or ID='").Append(car.CarID).Append("'");
try
{
listViewWatching.Items.Remove(car.ItemInWatch);
}
catch { }
car.ItemInWatch = null;
car.IsWatched = false;
if (car.ItemInList != null)
{
car.ItemInList.Checked = false;
if (car.ItemInList.ForeColor == COLOR_CAR_IN_WATCH)
{
car.ItemInList.ForeColor = COLOR_CAR_NORMAL;
}
}
}
MapInfo.Data.SearchInfo si = MapInfo.Data.SearchInfoFactory.SearchWhere(stb.ToString());
si.QueryDefinition.Columns = new string[] { "*" };
MapInfo.Data.Feature ftr = MapInfo.Engine.Session.Current.Catalog.SearchForFeature(tableWatching, si);
if (ftr != null)
{
tableWatching.DeleteFeature(ftr);
}
}
catch { }
}
//取消监控
private void RemoveWatching(Car car)
{
//删除信息点
try
{
try
{
listViewWatching.Items.Remove(car.ItemInWatch);
}
catch { }
car.ItemInWatch = null;
car.IsWatched = false;
if (car.ItemInList != null)
{
car.ItemInList.Checked = false;
if (car.ItemInList.ForeColor == COLOR_CAR_IN_WATCH)
{
car.ItemInList.ForeColor = COLOR_CAR_NORMAL;
}
}
MapInfo.Data.SearchInfo si = MapInfo.Data.SearchInfoFactory.SearchWhere("ID='" + car.CarID.ToString() + "'");
si.QueryDefinition.Columns = new string[] { "*" };
MapInfo.Data.Feature ftr = MapInfo.Engine.Session.Current.Catalog.SearchForFeature(tableWatching, si);
if (ftr != null)
{
tableWatching.DeleteFeature(ftr);
}
}
catch { }
}
//查询矩形区域内的地物
private List <String> GetPlacesInRect(DPoint dpt1, DPoint dpt2, String lName)
{
List <String> list = new List <string>();
try
{
MapInfo.Data.SearchInfo si = MapInfo.Data.SearchInfoFactory.SearchWithinRect(new DRect(dpt1, dpt2), mapControl.Map.GetDisplayCoordSys(), ContainsType.Centroid);
si.QueryDefinition.Columns = new string[] { "*" };
IResultSetFeatureCollection fc = MapInfo.Engine.Session.Current.Catalog.Search(Session.Current.Catalog.GetTable(lName), si);
foreach (Feature ftr in fc)
{
list.Add(ftr["Name"].ToString());
}
}
catch { }
return(list);
}
//查询附近地物
private String FindMapNearInfo(double x, double y, String tableName, String colName, int meter)
{
String ret = "";
try
{
MapInfo.Data.SearchInfo si = MapInfo.Data.SearchInfoFactory.SearchNearest(new DPoint(x, y), mapControl.Map.GetDisplayCoordSys(), new Distance(meter, DistanceUnit.Meter));
si.QueryDefinition.Columns = null;
(si.SearchResultProcessor as ClosestSearchResultProcessor).Options = ClosestSearchOptions.StopAtFirstMatch;
MapInfo.Data.IResultSetFeatureCollection irfc = MapInfo.Engine.Session.Current.Catalog.Search(tableName, si);
if (irfc.Count > 0)
{
ret = irfc[0][colName].ToString();
}
irfc.Close();
}
catch { }
return(ret);
}
//刷新监控车辆信息
private void RefreshWatching(Car car)
{
if (car != null && car.Pos != null)
{
//删除原信息点
try
{
MapInfo.Data.SearchInfo si = MapInfo.Data.SearchInfoFactory.SearchWhere("ID='" + car.CarID.ToString() + "'");
si.QueryDefinition.Columns = new string[] { "*" };
MapInfo.Data.Feature ftr = MapInfo.Engine.Session.Current.Catalog.SearchForFeature(tableWatching, si);
if (ftr != null)
{
tableWatching.DeleteFeature(ftr);
}
//添加新信息点
Feature ftr1 = new Feature(tableWatching.TableInfo.Columns);
ftr1.Geometry = new MapInfo.Geometry.Point(mapControl.Map.GetDisplayCoordSys(), new DPoint(car.Pos.Lo, car.Pos.La)) as FeatureGeometry;
//ftr1.Style = new SimpleVectorPointStyle(46, Color.Green, 16);
if (car.Pos.AlarmHandle != 0)
{
ftr1.Style = new MapInfo.Styles.BitmapPointStyle("red_" + car.Pos.Direction.ToString() + ".bmp", BitmapStyles.NativeSize, Color.Green, 16);
}
else if (car.Pos.Pointed == 0)
{
ftr1.Style = new MapInfo.Styles.BitmapPointStyle("yellow_" + car.Pos.Direction.ToString() + ".bmp", BitmapStyles.NativeSize, Color.Green, 16);
}
else
{
ftr1.Style = new MapInfo.Styles.BitmapPointStyle("green_" + car.Pos.Direction.ToString() + ".bmp", BitmapStyles.NativeSize, Color.Red, 16);
}
ftr1["ID"] = car.CarID.ToString();
ftr1["Label"] = car.CarNO + " [" + car.Pos.Speed.ToString() + "km/h]";
tableWatching.InsertFeature(ftr1);
tableWatching.Refresh();
}
catch { }
}
}
