private void MapControl_MouseWheel(object sender, MouseEventArgs e)
{
if (e.Delta > 0 && _scale >= 1 / 0.01)
{
return;
}
timerDelayRefresh.Stop();
_mapDrawEngine.ClearDrawAndShow();
MapPoint mapPoint = ToMapPoint(e.Location);
if (e.Delta > 0)//放大
{
double left = (_extent.left + mapPoint.x) * 1 / 2;
double top = (_extent.top + mapPoint.y) * 1 / 2;
double bottom = (mapPoint.y + _extent.bottom) * 1 / 2;
double right = (mapPoint.x + _extent.right) * 1 / 2;
_extent = new MapExtent(left, top, right, bottom);
}
else if (e.Delta < 0)//缩小
{
double left = 2 * _extent.left - mapPoint.x;
double top = 2 * _extent.top - mapPoint.y;
double bottom = 2 * _extent.bottom - mapPoint.y;
double right = 2 * _extent.right - mapPoint.x;
_extent = new MapExtent(left, top, right, bottom);
}
UpdateScale();
timerDelayRefresh.Start();
}
public static PointF ToScreenPoint(MapPoint mapPoint, MapExtent extent, int width, int height)
{
float fl = (float)((mapPoint.x - extent.left) / extent.Width * width);
float ft = (float)((extent.top - mapPoint.y) / extent.Height * height);
return(new PointF(fl, ft));
}
public void RefreshInfo()
{
if (_datatable != null)
{
_extent = _datatable.GetDataExtent();
}
}
public DrawLayerTask(Workspace.Workspace workspace, Layer layer, MapExtent extent, int width, int height)
{
this.workspace = workspace;
this.layer = layer;
this.width = width;
this.height = height;
this.extent = extent;
}
void MainMap_MapExtentChanged(I_GS_MapBase.Portal.Types.MapExtentEventArgs pArgs)
{
if (doit)
{
MapExtent extent = Utils.MapFun.MainMap.MapExtentFactory.Create(Utils.MapFun.MainMap.MapPointFactory.Create(pArgs.NewExtent.Xy1.X - 0.005, pArgs.NewExtent.Xy1.Y + 0.0027),
Utils.MapFun.MainMap.MapPointFactory.Create(pArgs.NewExtent.Xy2.X, pArgs.NewExtent.Xy2.Y));
LoadJH(extent);
}
}
public MapServerInfo(JObject pJson)
{
MapName = pJson["mapName"].Value <string>();
JArray layers = pJson["layers"].Value <JArray>();
List <ILayerInfo> layersList = (from JObject layer in layers select new LayerInfo(layer)).Cast <ILayerInfo>().ToList();
Layers = layersList;
JToken reference = pJson["spatialReference"].Value <JObject>()["wkid"];
if (reference == null)
{
reference = pJson["spatialReference"].Value <JObject>()["wkt"];
}
SpatialReference = reference.Value <string>();
if (string.IsNullOrWhiteSpace(SpatialReference))
{
throw new Exception("地图服务配置错误，缺少“空间参考”数据。");
}
SingleFusedMapCache = pJson["singleFusedMapCache"].Value <bool>();
string units = pJson["units"].Value <string>();
switch (units.ToLower())
{
case "esrimeters":
Units = MapUnits.Meters;
break;
case "esridecimaldegrees":
Units = MapUnits.Degrees;
break;
}
if (SingleFusedMapCache)
{
TileInfo = new MapTileInfo(pJson["tileInfo"].Value <JObject>());
}
JObject initialExtent = pJson["initialExtent"].Value <JObject>();
InitialExtent = new MapExtent(
new MapPointEx(initialExtent["xmin"].Value <double>(), initialExtent["ymax"].Value <double>()),
new MapPointEx(initialExtent["xmax"].Value <double>(), initialExtent["ymin"].Value <double>()));
JObject fullExtent = pJson["fullExtent"].Value <JObject>();
FullExtent = new MapExtent(
new MapPointEx(fullExtent["xmin"].Value <double>(), fullExtent["ymax"].Value <double>()),
new MapPointEx(fullExtent["xmax"].Value <double>(), fullExtent["ymin"].Value <double>()));
}
private void SetExtent(MapExtent extent)
{
double dd1 = extent.Width / extent.Height;
double dd2 = this.Width / (double)this.Height;
if (dd1 <= dd2)
{
double ew = extent.Height / this.Height * this.Width;
MapExtent ex = new MapExtent(0, extent.top, 0, extent.bottom);
ex.left = extent.left - (ew / 2 - extent.Width / 2);
ex.right = extent.right + (ew / 2 - extent.Width / 2);
_extent = ex;
}
else
{
double eh = extent.Width / this.Width * this.Height;
MapExtent ex = new MapExtent(extent.left, 0, extent.right, 0);
ex.top = extent.top - (eh / 2 - extent.Height / 2);
ex.bottom = extent.bottom + (eh / 2 - extent.Height / 2);
_extent = ex;
}
UpdateScale();
}
private void LoadJH(MapExtent extent)
{
Utils.MapFun.haveStationLayer.ClearSymbolElements();
if (_fixedPoint.X == 0)
{
_fixedPoint.X = extent.Xy1.X;
_fixedPoint.Y = extent.Xy1.Y;
}
List <double[]> list = getJHParam(new double[] { extent.Xy1.X, extent.Xy1.Y }, new double[] { extent.Xy2.X, extent.Xy2.Y }, 50, new double[] { _fixedPoint.X, _fixedPoint.Y });
JHCondition jhCon = new JHCondition()
{
Range = list[0], xInterval = list[1][0], yInterval = list[1][1], CC = list[2][0], LotdOffset = list[2][1]
};
List <JHStation> stationList = PT_BS_Service.Client.Framework.BeOperationInvoker.Invoke <I_CO_IA.Display.I_CO_IA_Display, List <JHStation> >(channel =>
{
return(channel.GetStationToJH(jhCon));
});
if (stationList != null && stationList.Count > 0)
{
string imgUrl = "/CO_IA.UI.Display;component/Images/station/GIS_SHF4.png";
for (int i = 0; i < stationList.Count; i++)
{
string id = Utils.stationGroupFlag + stationList[i].GUID;
Utils.MapFun.RemoveSymbolElement(id);
double x = 0;
double y = 0;
if (double.TryParse(stationList[i].STAT_LG, out x) && double.TryParse(stationList[i].STAT_LA, out y))
{
if (x != 0 && y != 0)
{
double[] p = I_GS_MapBase.Portal.CoordOffset.transform(x, y);//进行坐标校正
x = p[1];
y = p[0];
}
}
if (x == 0 || y == 0)
{
continue;
}
int statCount = Convert.ToInt32(stationList[i].CO);
if (statCount == 1)
{
//重写
//Utils.MapFun.DrawPointToStation(x, y, null, id, new List<KeyValuePair<string, object>> {
// new KeyValuePair<string,object>(GraphicStyle.ImageSource.ToString(), "/CO_IA.UI.Display;component/Images/station/map2.png"),
// new KeyValuePair<string,object>("ImageSource2",imgUrl),
// new KeyValuePair<string,object>(GraphicStyle.zIndex.ToString(),Utils.z_index.ToString()),
// new KeyValuePair<string, object>(GraphicStyle.ToolTipText.ToString(),stationList[i].NAME),
// new KeyValuePair<string, object>("data",stationList[i]),
// }, "StationTemplete");
}
else
{
//continue;
double size = 0;
if (statCount < 10)
{
size = 22;
}
else if (statCount < 50)
{
size = 24;
}
else if (statCount < 100)
{
size = 27;
}
else if (statCount < 200)
{
size = 30;
}
else if (statCount < 1000)
{
size = 33;
}
else
{
size = 37;
}
//重写
//Utils.MapFun.DrawPointToStation(x, y, null, "jh_"+id, new List<KeyValuePair<string, object>> {
// new KeyValuePair<string,object>("Count",statCount.ToString()),
// new KeyValuePair<string,object>("Size",size),
// new KeyValuePair<string,object>(GraphicStyle.zIndex.ToString(),Utils.z_index.ToString()),
// new KeyValuePair<string, object>("Color",ClustererInterpolateColor(size - 12, 100)),
// }, "ClustererSymbol");
}
}
}
}
private void LoadJH(MapExtent extent)
{
Obj.screenMap.ClearHaveStation();
if (_fixedPoint.X == 0)
{
_fixedPoint.X = extent.Xy1.X;
_fixedPoint.Y = extent.Xy1.Y;
}
List <double[]> list = getJHParam(new double[] { extent.Xy1.X, extent.Xy1.Y }, new double[] { extent.Xy2.X, extent.Xy2.Y }, 50, new double[] { _fixedPoint.X, _fixedPoint.Y });
JHCondition jhCon = new JHCondition()
{
Range = list[0], xInterval = list[1][0], yInterval = list[1][1], CC = list[2][0], LotdOffset = list[2][1]
};
List <JHStation> stationList = PT_BS_Service.Client.Framework.BeOperationInvoker.Invoke <I_CO_IA.Display.I_CO_IA_Display, List <JHStation> >(channel =>
{
return(channel.GetStationToJH(jhCon));
});
if (stationList != null && stationList.Count > 0)
{
for (int i = 0; i < stationList.Count; i++)
{
double x = 0;
double y = 0;
if (double.TryParse(stationList[i].STAT_LG, out x) && double.TryParse(stationList[i].STAT_LA, out y))
{
//if (x != 0 && y != 0)
//{
// double[] p = I_GS_MapBase.Portal.CoordOffset.transform(x, y);//进行坐标校正
// x = p[1];
// y = p[0];
//}
}
if (x == 0 || y == 0)
{
continue;
}
MapPointEx point = Obj.screenMap.MainMap.MapPointFactory.Create(x, y);
int statCount = Convert.ToInt32(stationList[i].CO);
if (statCount == 1)
{
Obj.screenMap.DrawStationPoint(point, true, stationList[i], Obj.screenMap.HaveStationLayer);
}
else
{
double size = 0;
if (statCount < 10)
{
size = 22;
}
else if (statCount < 50)
{
size = 24;
}
else if (statCount < 100)
{
size = 27;
}
else if (statCount < 200)
{
size = 30;
}
else if (statCount < 1000)
{
size = 33;
}
else
{
size = 37;
}
Obj.screenMap.DrawPoint(point, new I_GS_MapBase.Portal.SymbolElement("stationCluser")
{
ControlTemplate = Obj.screenMap.MainMap.Resources["ClustererSymbol"] as ControlTemplate,
DataSources = new List <KeyValuePair <string, object> > {
new KeyValuePair <string, object>("Count", statCount.ToString()),
new KeyValuePair <string, object>("Size", size),
new KeyValuePair <string, object>("Color", ClustererInterpolateColor(size - 12, 100)),
new KeyValuePair <string, object>("Range", new string[] { stationList[i].XMin, stationList[i].YMax, stationList[i].XMax, stationList[i].YMin }),
}
}, Obj.screenMap.HaveStationLayer);
}
}
}
}
public DrawRasterTask(Workspace.Workspace workspace, RasterLayer layer, MapExtent extent, int width, int height)
: base(workspace, layer, extent, width, height)
{
}
public DrawPolygonTask(Workspace.Workspace workspace, PolygonLayer layer, MapExtent extent, int width, int height)
: base(workspace, layer, extent, width, height)
{
}
public DrawLineTask(Workspace.Workspace workspace, LineLayer layer, MapExtent extent, int width, int height)
: base(workspace, layer, extent, width, height)
{
}
