/// <summary>
/// 定位到坐标点
/// </summary>
/// <param name="eventArgs"></param>
private void LocalByXY(string eventArgs)
{
System.Collections.Specialized.NameValueCollection kvs = ESRI.ArcGIS.ADF.Web.UI.WebControls.CallbackUtility.
ParseStringIntoNameValueCollection(eventArgs);
double x, y = 0;
if (!double.TryParse(kvs["X"], out x))
{
return;
}
if (!double.TryParse(kvs["Y"], out y))
{
return;
}
ESRI.ArcGIS.ADF.Web.Geometry.Point centerPt = new ESRI.ArcGIS.ADF.Web.Geometry.Point(x, y);
try
{
Map1.CenterAt(centerPt);
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
// Map1.Zoom(200);
sCallBackFuncStr = Map1.CallbackResults.ToString();
}
/*
protected override void OnPreRender(EventArgs e)
{
}
* */
public void ServerAction(ToolEventArgs args)
{
LineEventArgs lineArgs = (LineEventArgs)args;
String outfile = (String)HttpContext.Current.Session["CrossSectionFileName"];
System.Drawing.Point start = lineArgs.BeginPoint;
System.Drawing.Point end = lineArgs.EndPoint;
Map map = (Map)args.Control;
ArrayList points = new ArrayList();
int samples = 80;
TransformationParams transParams = map.GetTransformationParams(TransformationDirection.ToMap);
SpatialReference spatRef = map.SpatialReference;
for ( int i= 0; i < samples; i++){
ESRI.ArcGIS.ADF.Web.Geometry.Point p = new ESRI.ArcGIS.ADF.Web.Geometry.Point();
float theta = ((float)i)/((float)samples);
p.X = (int)(start.X * (1 - theta) + end.X * theta);
p.Y = (int)(start.Y * (1 - theta) + end.Y * theta);
ESRI.ArcGIS.ADF.Web.Geometry.Point mapPoint = ESRI.ArcGIS.ADF.Web.Geometry.Point.ToMapPoint(
Convert.ToInt32(p.X), Convert.ToInt32(p.Y), transParams);
mapPoint.SpatialReference = spatRef;
points.Add(mapPoint);
}
m_map = map;
m_timeBegin = DateTime.Now;
m_crossSectionDistance = calcDistanceMeters((ESRI.ArcGIS.ADF.Web.Geometry.Point)points[points.Count -1],
(ESRI.ArcGIS.ADF.Web.Geometry.Point)points[0] );
ProcessPoints(points);
DateTime timeEnd = DateTime.Now;
double datediff = (timeEnd - m_timeBegin).TotalSeconds;
string filename = "G:\\matt\\temp\\samples.txt";
serializeSamples(filename);
//string outfile2 = "G:\\matt\\temp\\crossSection.pdf";
generateImage(filename, outfile);
}
/// <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)
{
}
}
/// <summary>
/// 绘制点缓冲
/// </summary>
private void DrawBufferByPoint(ESRI.ArcGIS.ADF.Web.Geometry.Point adfPt)
{
//1.连接服务器
AGSServerConnection connection = new AGSServerConnection();
connection.Host = "localhost";
connection.Connect();
//2.获得服务器
IServerObjectManager pSom = connection.ServerObjectManager;
IServerContext pSc = pSom.CreateServerContext("china", "MapServer");//服务名和类型
IMapServer mapServer = pSc.ServerObject as IMapServer;
//3.使用服务器对象 几何对象转换
IMapServerObjects pMso = mapServer as IMapServerObjects;
//ESRI.ArcGIS.Geometry.IGeometry comPt = ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.Converter.ValueObjectToComObject(adfPt, pSc)
// as ESRI.ArcGIS.Geometry.IGeometry;////ValueObjectToComObject(pnt, pSC);
IPoint pt = new ESRI.ArcGIS.Geometry.PointClass();
pt.X = adfPt.X;
pt.Y = adfPt.Y;
ESRI.ArcGIS.Geometry.IGeometry comPt = pt;
ESRI.ArcGIS.Geometry.SpatialReferenceEnvironment sre = new SpatialReferenceEnvironment();
ISpatialReference pSR = sre.CreateGeographicCoordinateSystem(4326);
comPt.SpatialReference = pSR;
//绘制buffer
ITopologicalOperator pTOPO = comPt as ITopologicalOperator;
pTOPO.Simplify();//??
double bufDis = Map1.Extent.Width / 2;
IPolygon bufPoly = pTOPO.Buffer(10) as IPolygon;
bufPoly.Densify(0, 0);
ESRI.ArcGIS.ADF.ArcGISServer.PolygonN valuePolyN = ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.Converter.ComObjectToValueObject(bufPoly, pSc, typeof(ESRI.ArcGIS.ADF.ArcGISServer.PolygonN)) as ESRI.ArcGIS.ADF.ArcGISServer.PolygonN;
ESRI.ArcGIS.ADF.Web.Geometry.Polygon adfPoly = ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.Converter.ToAdfPolygon(valuePolyN) as ESRI.ArcGIS.ADF.Web.Geometry.Polygon;
#region Densify
////***Densify
// ESRI.ArcGIS.Geometry.IPointCollection com_pointcollection = (ESRI.ArcGIS.Geometry.IPointCollection)bufPoly;
// ESRI.ArcGIS.ADF.Web.Geometry.PointCollection new_adf_pointcollection = ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.Converter.ComObjectToValueObject(com_pointcollection, pSc, typeof(ESRI.ArcGIS.ADF.ArcGISServer.poly));
//ESRI.ArcGIS.ADF.Web.Geometry.PointCollection new_adf_pointcollection = new ESRI.ArcGIS.ADF.Web.Geometry.PointCollection();
//for (int i = 0; i < com_pointcollection.PointCount - 1; i++)
//{
// ESRI.ArcGIS.ADF.Web.Geometry.Point new_adf_pt = new ESRI.ArcGIS.ADF.Web.Geometry.Point();
// new_adf_pt.X = com_pointcollection.get_Point(i).X;
// new_adf_pt.Y = com_pointcollection.get_Point(i).Y;
// new_adf_pointcollection.Add(new_adf_pt);
//}
//ESRI.ArcGIS.ADF.Web.Geometry.Ring new_adf_ring = new ESRI.ArcGIS.ADF.Web.Geometry.Ring();
//new_adf_ring.Points = new_adf_pointcollection;
//ESRI.ArcGIS.ADF.Web.Geometry.RingCollection new_adf_ringcollection = new ESRI.ArcGIS.ADF.Web.Geometry.RingCollection();
//new_adf_ringcollection.Add(new_adf_ring);
//ESRI.ArcGIS.ADF.Web.Geometry.Polygon new_adf_polygon = new ESRI.ArcGIS.ADF.Web.Geometry.Polygon();
//new_adf_polygon.Rings = new_adf_ringcollection;
//ESRI.ArcGIS.ADF.Web.Geometry.Geometry geom = new_adf_polygon as ESRI.ArcGIS.ADF.Web.Geometry.Geometry;
////*******Densify
#endregion
ESRI.ArcGIS.ADF.Web.Geometry.Geometry geom = adfPoly as ESRI.ArcGIS.ADF.Web.Geometry.Geometry;
GraphicElement geoEle = new GraphicElement(geom, System.Drawing.Color.Red);
try
{
Map1.Zoom(adfPoly);
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
geoEle.Symbol.Transparency = 50;
IEnumerable gfc = Map1.GetFunctionalities();
MapResource gMap = null;
foreach (IGISFunctionality gfunc in gfc)
{
if (gfunc.Resource.Name == "graph")
{
gMap = (MapResource)gfunc.Resource;
break;
}
}
if (gMap == null)
{
return;
}
ElementGraphicsLayer glayer = null;
foreach (DataTable dt in gMap.Graphics.Tables)
{
if (dt is ElementGraphicsLayer)
{
glayer = dt as ElementGraphicsLayer;
break;
}
}
if (glayer == null)
{
glayer = new ElementGraphicsLayer();
gMap.Graphics.Tables.Add(glayer);
}
glayer.Clear();//清除数据
glayer.Add(geoEle);
//4.释放服务器对象
pSc.ReleaseContext();
if (Map1.ImageBlendingMode == ImageBlendingMode.WebTier)
{
Map1.Refresh();
}
else if (Map1.ImageBlendingMode == ImageBlendingMode.Browser)
{
Map1.RefreshResource(gMap.Name);
}
return;
}
/// <summary>
/// Create a Marker using default values
/// </summary>
/// <param name="point">The Point in map where the marker will be drawn.</param>
/// <returns>A GraphicElement that can be drawn in a GraphicsLayer.</returns>
private GraphicElement CreateMarker(Point point)
{
GraphicElement marker = new GraphicElement();
RasterMarkerSymbol icon = new RasterMarkerSymbol(HttpContext.Current.Request.MapPath("~/images/identify-map-icon.png"));
marker.Symbol = icon;
marker.Geometry = point;
return marker;
}
public PointKey(ESRI.ArcGIS.ADF.Web.Geometry.Point point, int gridNum)
{
m_point = point;
m_gridNum = gridNum;
}
