public void TestGetLayer()
{
IEnumerable funs = Map1.GetFunctionalities();
foreach (IGISFunctionality gisFun in funs)
{
System.Diagnostics.Debug.WriteLine(string.Format("gisFun.name={0}", gisFun.Name));
IGISResource gisRes = gisFun.Resource;
System.Diagnostics.Debug.WriteLine(string.Format("gisRes.name={0} gisRes.ResourceDefinition={1}", gisRes.Name, gisRes.ResourceDefinition));
IGISDataSource gisDs = gisRes.DataSource;
System.Diagnostics.Debug.WriteLine(string.Format("gisDs.name={0} gisDs.ResourceDefinition={1} gisDs.Identity={2}", gisDs.Name, gisDs.DataSourceDefinition, gisDs.Identity));
}
}
/// <summary>
/// 获取GISResource
/// </summary>
/// <param name="map"></param>
/// <param name="resourceName"></param>
/// <returns></returns>
public static IGISResource GetGISResourceByName(ESRI.ArcGIS.ADF.Web.UI.WebControls.Map map, string resourceName)
{
if (map == null)
{
return(null);
}
try
{
foreach (IGISFunctionality gisFun in map.GetFunctionalities())
{
IGISResource gisRes = gisFun.Resource;
if (gisRes.Name.Equals(resourceName))
{
return(gisRes);
}
}
}
catch (Exception)
{
return(null);
}
return(null);
}
public void TestQuery()
{
IGISResource gisRes = ServerUtility.GetGISResourceByName(Map1, PublicConst.Lbl_WmsSvr_China);
ESRI.ArcGIS.ADF.Web.DataSources.OGCWMSService.MapResource mapRes = gisRes as ESRI.ArcGIS.ADF.Web.DataSources.OGCWMSService.MapResource;
IQueryFunctionality QueryFun;
string[] layerIds = null, layerNames = null;
bool isSupport = false;
if (mapRes.SupportsFunctionality(typeof(IQueryFunctionality)))
{
QueryFun = mapRes.CreateFunctionality(typeof(IQueryFunctionality), "query") as IQueryFunctionality;
QueryFun.GetQueryableLayers(null, out layerIds, out layerNames);
}
if (layerNames == null || layerNames.Length == 0)
{
return;
}
for (int i = 0; i < layerNames.Length; i++)
{
System.Diagnostics.Debug.WriteLine(string.Format("图层：{0}", layerNames[i]));
}
}
public void ServerAction(ToolEventArgs args)
{
Map mapCtrl = null;
mapCtrl = (Map)args.Control;
string strName = "";
PointEventArgs ptArgs = null;
ptArgs = (PointEventArgs)args;
System.Drawing.Point pt = ptArgs.ScreenPoint;
//转换为地图上的点
ESRI.ArcGIS.ADF.Web.Geometry.Point adfPt = ESRI.ArcGIS.ADF.Web.Geometry.Point.ToMapPoint(pt.X, pt.Y, mapCtrl.Extent
, (int)mapCtrl.Width.Value, (int)mapCtrl.Height.Value);
//查找图层
System.Collections.IEnumerable func_enum = null;
func_enum = mapCtrl.GetFunctionalities();
ESRI.ArcGIS.ADF.Web.DataSources.Graphics.MapResource grahpResource = null;
System.Data.DataTable dt;
foreach (IGISFunctionality gisfunction in func_enum)
{
IGISResource gisRes = null;
gisRes = gisfunction.Resource;
if (gisfunction.Resource.Name == "graph")
{
grahpResource = (MapResource)gisfunction.Resource;//找到内存图像资源
}
bool bIsSupported = false;
//地理资源是否支持查询
bIsSupported = gisRes.SupportsFunctionality((typeof(IQueryFunctionality)));
if (!bIsSupported)
{
continue;
}
IQueryFunctionality qFunc = null;
qFunc = (IQueryFunctionality)gisRes.CreateFunctionality((typeof(IQueryFunctionality)), null);
string[] strIds;
string[] strNames;
qFunc.GetQueryableLayers(null, out strIds, out strNames);
if (strIds == null)
{
continue; //如果是遥感影像不支持查询
}
int layerIndex = -1;
for (int i = 0; i < strNames.Length; i++)
{
if (strNames[i] == "bou2_4p")
{
layerIndex = i;
break;
}
}
if (layerIndex < 0)
{
continue;
}
//找到该图层
SpatialFilter sFilter = new SpatialFilter();
sFilter.ReturnADFGeometries = true;
sFilter.Geometry = adfPt;
sFilter.MaxRecords = 100;
dt = qFunc.Query(null, strIds[layerIndex], sFilter);
if (dt == null || dt.Rows.Count == 0)
{
continue;
}
for (int jj = 0; jj < dt.Columns.Count; jj++)
{
strName = dt.Rows[0]["name"].ToString();
if (dt.Columns[jj].DataType == typeof(ESRI.ArcGIS.ADF.Web.Geometry.Geometry))
{
//找到该集合对象
ESRI.ArcGIS.ADF.Web.Geometry.Geometry geom = (ESRI.ArcGIS.ADF.Web.Geometry.Geometry)dt.Rows[0][jj];
ESRI.ArcGIS.ADF.Web.Display.Graphics.ElementGraphicsLayer glayer = null;
foreach (System.Data.DataTable dt1 in grahpResource.Graphics.Tables)
{
if (dt1 is ESRI.ArcGIS.ADF.Web.Display.Graphics.ElementGraphicsLayer)
{
glayer = (ESRI.ArcGIS.ADF.Web.Display.Graphics.ElementGraphicsLayer)dt1;
break;
}
}
if (glayer == null)
{
glayer = new ESRI.ArcGIS.ADF.Web.Display.Graphics.ElementGraphicsLayer();
grahpResource.Graphics.Tables.Add(glayer);
}
glayer.Clear();
ESRI.ArcGIS.ADF.Web.Display.Graphics.GraphicElement ge = null;
ge = new ESRI.ArcGIS.ADF.Web.Display.Graphics.GraphicElement(geom, System.Drawing.Color.Red);
ge.Symbol.Transparency = 50;
glayer.Add(ge);
}
}
}
//
if (mapCtrl.ImageBlendingMode == ImageBlendingMode.WebTier)
{
mapCtrl.Refresh();
}
else if (mapCtrl.ImageBlendingMode == ImageBlendingMode.Browser)
{
mapCtrl.RefreshResource(grahpResource.Name);
}
object[] oa = new object[1];
string sa = "alert('" + strName + "');";
oa[0] = sa;
CallbackResult crl = new CallbackResult(null, null, "javascript", oa);
mapCtrl.CallbackResults.Add(crl);
}
/// <summary>
/// 根据属性定位
/// </summary>
private void LocalByAttribute(string eventArgs)
{
if (string.IsNullOrEmpty(eventArgs))
{
return;
}
try
{
IEnumerable func_enum = null;
DataTable table = null;
//获取当前map的所有functionlity 图层名BOUNT_poly
func_enum = Map1.GetFunctionalities();
//d对所有的functionlity遍历
foreach (IGISFunctionality gisFunclity in func_enum)
{
IGISResource gisResr = null;
IQueryFunctionality qFunc;
gisResr = gisFunclity.Resource;
if (gisResr == null)
{
continue;
}
//判断是否支持IQueryFunctionality
bool isSurport = false;
isSurport = gisResr.SupportsFunctionality(typeof(IQueryFunctionality));
if (!isSurport)
{
continue;
}
qFunc = gisResr.CreateFunctionality(typeof(IQueryFunctionality), null) as IQueryFunctionality;
if (qFunc == null)
{
continue;
}
//获取图层layerid和layerName
string[] layerIds, layerNames;
qFunc.GetQueryableLayers(null, out layerIds, out layerNames);
if (layerIds == null || layerIds.Length == 0)
{
continue;
}
int layerId = -1;
for (int i = 0; i < layerIds.Length; i++)
{
if (layerNames[i] == "res2_4m")
{
layerId = i;
break;
}
}
if (layerId == -1)
{
continue;
}
//设置过滤器的过滤条件
ESRI.ArcGIS.ADF.Web.SpatialFilter sf = new ESRI.ArcGIS.ADF.Web.SpatialFilter();
sf.ReturnADFGeometries = true;
sf.MaxRecords = 100;
string name = CallbackUtility.ParseStringIntoNameValueCollection(eventArgs)["attr"];
sf.WhereClause = string.Format("NAME='{0}'", name);
//对指定图层进行查询，查询结果保存为
table = qFunc.Query(null, layerIds[layerId], sf);
if (table == null || table.Rows.Count == 0)
{
sCallBackFuncStr = JsMesage.ShowMessage(Map1, "没有找到该城市");
continue;
}
for (int i = 0; i < table.Columns.Count; i++)
{
DataColumn column = table.Columns[i];
if (column.DataType == typeof(Geometry))
{
ESRI.ArcGIS.ADF.Web.Geometry.Point adfPt = table.Rows[0][i] as ESRI.ArcGIS.ADF.Web.Geometry.Point;
try
{
Map1.CenterAt(adfPt);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex);
}
try
{
DrawBufferByPoint(adfPt);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex);
}
sCallBackFuncStr = Map1.CallbackResults.ToString();
return;
}
}
}
}
catch (Exception)
{
}
}
