protected void Toolbar2_CommandClick(object sender, ToolbarCommandClickEventArgs args)
{
switch (args.CommandName)
{
case "deletePolygon":
ESRI.ArcGIS.ADF.Web.UI.WebControls.Map mapCtrl;
mapCtrl =Map1;
MapFunctionality mapFunc = (MapFunctionality)mapCtrl.GetFunctionality(0);
MapResourceLocal mapResLocal = mapFunc.Resource as MapResourceLocal;
ESRI.ArcGIS.ADF.ArcGISServer.MapDescription mapDesc;
mapDesc = mapFunc.MapDescription;
IServerContext pSOC;
IMapServer pMapServer;
IMap pMap;
pSOC = mapResLocal.ServerContextInfo.ServerContext;
pMapServer = pSOC.ServerObject as IMapServer;
IMapServerObjects pMapServerObjs = pMapServer as IMapServerObjects;
pMap = pMapServerObjs.get_Map(pMapServer.DefaultMapName);
ILayer pLayer = pMap.get_Layer(1);
IFeatureLayer pFeatureLyr = pLayer as IFeatureLayer;
IFeatureClass pFeatCls = pFeatureLyr.FeatureClass;
IDataset pDataset = pFeatCls as IDataset;
IWorkspace pWS = pDataset.Workspace;
IWorkspaceEdit pWorkspaceEdit = pWS as IWorkspaceEdit;
pWorkspaceEdit.StartEditing(false);
pWorkspaceEdit.StartEditOperation();
//IFeatureBuffer pFeatureBuffer;
//IFeatureCursor pFeatureCuror;
IFeature pFeature;
ESRI.ArcGIS.ADF.ArcGISServer.LayerDescription featureLayer = mapDesc.LayerDescriptions[1];
// pFeature = featureLayer.SelectionFeatures[0];
//pFeatureCuror = pFeatCls.GetFeature(featureLayer.SelectionFeatures[0]);
// pFeature=pFeatureCuror.NextFeature();
pFeature = pFeatCls.GetFeature(featureLayer.SelectionFeatures[0]);
pFeature.Delete();
pWorkspaceEdit.StopEditOperation();
pWorkspaceEdit.StopEditing(true);
mapCtrl.Refresh();
break;
case "back":
zoomback();
break;
case "forward":
zoomforward();
break;
}
}
前后视图
private ArrayList ExtentList = new ArrayList();
private ArrayList m_extenthistory;
private ESRI.ArcGIS.ADF.Web.Geometry.Envelope m_lastextent;
private bool isPooled = false;
internal const int MAXIMUM_EXTENT_HISTORY_COUNT = 10;
//地图视图改变
protected void Map1_ExtentChanged(object sender, ExtentEventArgs args)
{
m_extenthistory = Session["extenthistory"] as ArrayList;
int index = 0;
if (Session["index"] != null)
{
index = (int)Session["index"];
}
if (m_extenthistory == null)
{
m_extenthistory = new ArrayList();
}
if (m_extenthistory.Count >= MAXIMUM_EXTENT_HISTORY_COUNT)
m_extenthistory.RemoveAt(0);
m_extenthistory.Add(Map1.Extent);
index++;
if (index == m_extenthistory.Count)
{
index = m_extenthistory.Count - 1;
}
// Add extent history and index to Session
Session.Add("index", index);
Session.Add("extenthistory", m_extenthistory);
m_lastextent = Map1.Extent as ESRI.ArcGIS.ADF.Web.Geometry.Envelope;
UpdateViewerSessionObjects();
}
private void UpdateViewerSessionObjects()
{
Session.Add("Map1_CurrentExtent", this.Map1.Extent);
}
//前一视图
public void zoomback()
{
int index = 0;
if (Session["index"] != null) index = (int)Session["index"];
m_extenthistory = Session["extenthistory"] as ArrayList;
if (m_extenthistory == null)
return;
index--;
if (index < 0)
index = 0;
ESRI.ArcGIS.ADF.Web.Geometry.Envelope myencelope = m_extenthistory[index] as ESRI.ArcGIS.ADF.Web.Geometry.Envelope;
this.Map1.Extent = myencelope;
this.Map1.Refresh();
Session["index"] = index;
UpdateViewerSessionObjects();
}
//后一视图
public void zoomforward()
{
int index = 0;
if (Session["index"] != null) index = (int)Session["index"];
m_extenthistory = Session["extenthistory"] as ArrayList;
if (m_extenthistory == null)
return;
index++;
if (index == m_extenthistory.Count)
index = m_extenthistory.Count - 1;
ESRI.ArcGIS.ADF.Web.Geometry.Envelope myencelope = m_extenthistory[index] as ESRI.ArcGIS.ADF.Web.Geometry.Envelope;
this.Map1.Extent = myencelope;
this.Map1.Refresh();
Session["index"] = index;
UpdateViewerSessionObjects();
}
选中
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Collections.Generic;
using System.Text;
using System.Collections;
//引用arcgis类
using ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools;
using ESRI.ArcGIS.ADF.Web.UI.WebControls;
using ESRI.ArcGIS.ADF.Web.DataSources;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using ESRI.ArcGIS.ADF.ArcGISServer;
/// <summary>
/// selectPolygon 的摘要说明
/// </summary>
public class selectPolygon : IMapServerToolAction
{
public selectPolygon()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
void IMapServerToolAction.ServerAction(ToolEventArgs args)
{
int resource_index = 0;
ESRI.ArcGIS.ADF.Web.UI.WebControls.Map mapctrl = (ESRI.ArcGIS.ADF.Web.UI.WebControls.Map)args.Control;
//按名称取得图层
string sourcelayername = "房屋层";
ESRI.ArcGIS.ADF.Web.DataSources.IMapFunctionality mf = (ESRI.ArcGIS.ADF.Web.DataSources.IMapFunctionality)mapctrl.GetFunctionality(resource_index);
ESRI.ArcGIS.ADF.Web.DataSources.IGISResource gisresource = mf.Resource;
RectangleEventArgs rectargs = (RectangleEventArgs)args;
System.Drawing.Rectangle myrect = rectargs.ScreenExtent;
ESRI.ArcGIS.ADF.Web.Geometry.Point minpnt = ESRI.ArcGIS.ADF.Web.Geometry.Point.ToMapPoint(myrect.Left, myrect.Bottom, mapctrl.Extent, (int)mapctrl.Width.Value, (int)mapctrl.Height.Value);
ESRI.ArcGIS.ADF.Web.Geometry.Point maxpnt = ESRI.ArcGIS.ADF.Web.Geometry.Point.ToMapPoint(myrect.Right, myrect.Top, mapctrl.Extent, (int)mapctrl.Width.Value, (int)mapctrl.Height.Value);
//ESRI.ArcGIS.ADF.Web.Geometry.Point minpnt = ESRI.ArcGIS.ADF.Web.Geometry.Point.ToMapPoint(myrect.Left, myrect.Bottom, mapctrl.Extent, mf.DisplaySettings.ImageDescriptor.Width, mf.DisplaySettings.ImageDescriptor.Height);
//ESRI.ArcGIS.ADF.Web.Geometry.Point maxpnt = ESRI.ArcGIS.ADF.Web.Geometry.Point.ToMapPoint(myrect.Right, myrect.Top, mapctrl.Extent, mf.DisplaySettings.ImageDescriptor.Width, mf.DisplaySettings.ImageDescriptor.Height);
ESRI.ArcGIS.ADF.Web.Geometry.Envelope mappoly = new ESRI.ArcGIS.ADF.Web.Geometry.Envelope(minpnt, maxpnt);
bool supported = gisresource.SupportsFunctionality(typeof(ESRI.ArcGIS.ADF.Web.DataSources.IQueryFunctionality));
if (supported)
{
ESRI.ArcGIS.ADF.Web.DataSources.IQueryFunctionality qfunc = (ESRI.ArcGIS.ADF.Web.DataSources.IQueryFunctionality)gisresource.CreateFunctionality(typeof(ESRI.ArcGIS.ADF.Web.DataSources.IQueryFunctionality), null);
string[] lids;
string[] lnames;
qfunc.GetQueryableLayers(null, out lids, out lnames);
int layer_index = 0;
for (int i = 0; i < lnames.Length; i++)
{
if (lnames
== sourcelayername) { if (lids is string) { if (!int.TryParse((string)lids, out layer_index)) layer_index = i; } else { layer_index = i; } break; } } if (qfunc.Resource is ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.MapResourceLocal) { ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.MapFunctionality ags_mf = (ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.MapFunctionality)mf; ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.MapResourceBase ags_mr = (ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.MapResourceBase)qfunc.Resource; ESRI.ArcGIS.ADF.ArcGISServer.MapDescription mapdescription; mapdescription = ags_mf.MapDescription; LayerDescription[] layerdescs = mapdescription.LayerDescriptions; MapLayerInfo[] mli = ags_mr.MapServerInfo.MapLayerInfos; LayerDescription featureLayer = layerdescs[layer_index]; if (featureLayer == null) { // 图层为空 throw new Exception("featurelayer null"); } else { EnvelopeN envelopen = ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.Converter.FromAdfEnvelope(mappoly); SpatialFilter sf = new SpatialFilter(); sf.FilterGeometry = envelopen; sf.GeometryFieldName = "SHAPE"; sf.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects; MapServerProxy msdp = ags_mr.MapServerProxy; RgbColor irgbc = new RgbColor(); irgbc.Red = 250; irgbc.Green = 250; irgbc.Blue = 0; irgbc.AlphaValue = 255; featureLayer.SelectionColor = irgbc; FIDSet ifid = msdp.QueryFeatureIDs(mapdescription.Name, featureLayer.LayerID, sf); featureLayer.SelectionFeatures = ifid.FIDArray; args.Control.Page.Session.Add("fid", ifid.FIDArray[0].ToString().Trim()); mapctrl.Refresh(); } } } } } 分割 using System; using System.Data; using System.Configuration; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; //引用arcgis类 using ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools; using ESRI.ArcGIS.ADF.Web.UI.WebControls; using ESRI.ArcGIS.ADF.ArcGISServer; using ESRI.ArcGIS.Server; using ESRI.ArcGIS.Carto; using ESRI.ArcGIS.Geometry; using ESRI.ArcGIS.esriSystem; using ESRI.ArcGIS.Display; using System.Collections; using ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer; using ESRI.ArcGIS.Geodatabase; using ESRI.ArcGIS.ADF.Web; using ESRI.ArcGIS.ADF.Web.DataSources; using ESRI.ArcGIS.ADF.Web.Geometry; using ESRI.ArcGIS.ADF.Web.Display.Graphics; using System.Collections.Generic; /// <summary> /// splitPolygon 的摘要说明 /// </summary> public class splitPolygon:IMapServerToolAction { public splitPolygon() { // // TODO: 在此处添加构造函数逻辑 // } void IMapServerToolAction.ServerAction(ToolEventArgs args) { //取得所画屏幕线的点集 ESRI.ArcGIS.ADF.Web.UI.WebControls.Map mapCtrl = args.Control as ESRI.ArcGIS.ADF.Web.UI.WebControls.Map; PolylineEventArgs peag = (PolylineEventArgs)args; System.Drawing.Point[] screen_points = peag.Vectors; //定义地图参数 MapFunctionality mapFunc = (MapFunctionality)mapCtrl.GetFunctionality(0); MapResourceLocal mapResLocal = mapFunc.Resource as MapResourceLocal; ESRI.ArcGIS.ADF.ArcGISServer.MapDescription mapDesc; mapDesc = mapFunc.MapDescription; IServerContext pSOC; IMapServer pMapServer; IMap pMap; pSOC = mapResLocal.ServerContextInfo.ServerContext; pMapServer = pSOC.ServerObject as IMapServer; IMapServerObjects pMapServerObjs = pMapServer as IMapServerObjects; pMap = pMapServerObjs.get_Map(pMapServer.DefaultMapName); //转化屏幕线为地图线 IPointCollection pPointColl; pPointColl = (IPointCollection)pSOC.CreateObject("esriGeometry.Polyline"); for (int i = 0; i < screen_points.Length; i++) { IPoint pPoint; ESRI.ArcGIS.ADF.Web.Geometry.Point mappnt = ESRI.ArcGIS.ADF.Web.Geometry.Point.ToMapPoint(screen_points, mapCtrl.Extent, (int)mapCtrl.Width.Value, (int)mapCtrl.Height.Value); pPoint = (IPoint)pSOC.CreateObject("esriGeometry.Point"); pPoint.X = mappnt.X; pPoint.Y = mappnt.Y; object missingVal = System.Reflection.Missing.Value; pPointColl.AddPoint(pPoint, ref missingVal, ref missingVal); } IGeometry pPolylineGeo = pPointColl as IGeometry; //取得要分割的feature IFeatureLayer featurelayer = pMap.get_Layer(1) as IFeatureLayer; IFeatureClass featureclass = featurelayer.FeatureClass; IFeature feature = featureclass.GetFeature(Convert.ToInt32(args.Control.Page.Session["fid"].ToString().Trim())); //打开工作空间 IDataset pDataset = featureclass as IDataset; IWorkspace pWS = pDataset.Workspace; IWorkspaceEdit pWorkspaceEdit = pWS as IWorkspaceEdit; pWorkspaceEdit.StartEditing(false); pWorkspaceEdit.StartEditOperation(); //开始分割 ESRI.ArcGIS.Geometry.ITopologicalOperator tt; tt = feature.Shape as ESRI.ArcGIS.Geometry.ITopologicalOperator; IGeometry t1, t2; t1 = pSOC.CreateObject("esriGeometry.Polygon") as IGeometry; t2 = pSOC.CreateObject("esriGeometry.Polygon") as IGeometry; IPolyline pline =pSOC.CreateObject("esriGeometry.Polyline") as IPolyline; pline = pPolylineGeo as IPolyline; tt.Cut(pline,out t1, out t2); feature.Shape = t1; IFeature feature2 = featureclass.CreateFeature(); feature2.Shape = t2; //保存分割结果及刷新地图 feature.Store(); feature2.Store(); pWorkspaceEdit.StopEditOperation(); pWorkspaceEdit.StopEditing(true); mapCtrl.Refresh(); } }
合并
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
//引用arcgis类
using ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools;
using ESRI.ArcGIS.ADF.Web.UI.WebControls;
using ESRI.ArcGIS.ADF.ArcGISServer;
using ESRI.ArcGIS.Server;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.Display;
using System.Collections;
using ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.ADF.Web;
using ESRI.ArcGIS.ADF.Web.DataSources;
using ESRI.ArcGIS.ADF.Web.Geometry;
using ESRI.ArcGIS.ADF.Web.Display.Graphics;
using System.Collections.Generic;
/// <summary>
/// unionPolygon 的摘要说明
/// </summary>
public class unionPolygon : IMapServerToolAction
{
public unionPolygon()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
void IMapServerToolAction.ServerAction(ToolEventArgs args)
{
//取屏幕点
ESRI.ArcGIS.ADF.Web.UI.WebControls.Map mapCtrl;
mapCtrl = (ESRI.ArcGIS.ADF.Web.UI.WebControls.Map)args.Control;
PointEventArgs peag = (PointEventArgs)args;
System.Drawing.Point screen_point = peag.ScreenPoint;
//定义地图参数
MapFunctionality mapFunc = (MapFunctionality)mapCtrl.GetFunctionality(0);
MapResourceLocal mapResLocal = mapFunc.Resource as MapResourceLocal;
ESRI.ArcGIS.ADF.ArcGISServer.MapDescription mapDesc;
mapDesc = mapFunc.MapDescription;
IServerContext pSOC;
IMapServer pMapServer;
IMap pMap;
pSOC = mapResLocal.ServerContextInfo.ServerContext;
pMapServer = pSOC.ServerObject as IMapServer;
IMapServerObjects pMapServerObjs = pMapServer as IMapServerObjects;
pMap = pMapServerObjs.get_Map(pMapServer.DefaultMapName);
//转屏幕点到地图点
IPoint pPoint;
ESRI.ArcGIS.ADF.Web.Geometry.Point mappnt = ESRI.ArcGIS.ADF.Web.Geometry.Point.ToMapPoint(screen_point, mapCtrl.Extent, (int)mapCtrl.Width.Value, (int)mapCtrl.Height.Value);
pPoint = (IPoint)pSOC.CreateObject("esriGeometry.Point");
pPoint.X = mappnt.X;
pPoint.Y = mappnt.Y;
//另外一种转换方法
ESRI.ArcGIS.ADF.Web.Geometry.Point mapPoint = ESRI.ArcGIS.ADF.Web.Geometry.Point.ToMapPoint(screen_point.X, screen_point.Y, mapCtrl.GetTransformationParams(TransformationDirection.ToMap));
IdentifyOption m_idOption = IdentifyOption.VisibleLayers;
IGISResource resource;
IQueryFunctionality query;
string[] layerIds;
string[] layerNames;
resource = mapFunc.Resource;
query = resource.CreateFunctionality(typeof(ESRI.ArcGIS.ADF.Web.DataSources.IQueryFunctionality), "select") as IQueryFunctionality;
query.GetQueryableLayers(null, out layerIds, out layerNames);
//根据fid查找另外一个feature
DataTable[] ds=null;
ds = query.Identify(mapFunc.Name, mapPoint, 5, m_idOption, null);
string my="";
if (ds.Length < 2)
{
my = ds[0].Rows[0]["OBJECTID"].ToString().Trim();
}
ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.MapResourceBase ags_mr = (ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.MapResourceBase)mapFunc.Resource;
MapServerProxy msdp = ags_mr.MapServerProxy;
ESRI.ArcGIS.ADF.ArcGISServer.SpatialFilter sf = new ESRI.ArcGIS.ADF.ArcGISServer.SpatialFilter();
sf.GeometryFieldName = "SHAPE";
sf.WhereClause = "OBJECTID = '" + my + "'";
sf.SpatialRel = ESRI.ArcGIS.ADF.ArcGISServer.esriSpatialRelEnum.esriSpatialRelIntersects;
ESRI.ArcGIS.ADF.ArcGISServer.FIDSet fidset = msdp.QueryFeatureIDs(mapDesc.Name,1,sf);
//取得原来选中的feature
int selected_fid = Convert.ToInt32(args.Control.Page.Session["fid"].ToString().Trim());
IFeatureLayer featurelayer = pMap.get_Layer(1) as IFeatureLayer;
IFeatureClass featureclass = featurelayer.FeatureClass;
//打开工作空间
IDataset pDataset = featureclass as IDataset;
IWorkspace pWS = pDataset.Workspace;
IWorkspaceEdit pWorkspaceEdit = pWS as IWorkspaceEdit;
pWorkspaceEdit.StartEditing(false);
pWorkspaceEdit.StartEditOperation();
//开始合并
IFeature feature1 = featureclass.GetFeature(Convert.ToInt32(my));
IFeature feature2 = featureclass.GetFeature(selected_fid);
ESRI.ArcGIS.Geometry.IPolygon un1,un2;
un1 = feature1.Shape as ESRI.ArcGIS.Geometry.IPolygon;
if (un1.SpatialReference == null)
{
un1.SpatialReference = mapCtrl.SpatialReference as ISpatialReference;
}
un2 = feature2.Shape as ESRI.ArcGIS.Geometry.IPolygon;
if (un2.SpatialReference == null)
{
un2.SpatialReference = mapCtrl.SpatialReference as ISpatialReference;
}
un1.Project(feature2.Shape.SpatialReference);
un1.SnapToSpatialReference();
un2.SnapToSpatialReference();
ESRI.ArcGIS.Geometry.ITopologicalOperator tt=un1 as ESRI.ArcGIS.Geometry.ITopologicalOperator;
try
{
feature1.Shape = tt.Union((IGeometry)un2) as IGeometry;
}
catch
{
args.Control.Page.Response.Write("不能合并");
}
feature1.Store();
feature2.Delete();
pWorkspaceEdit.StopEditOperation();
pWorkspaceEdit.StopEditing(true);
mapCtrl.Refresh();
}
}
修改属性就不写了，只要选中feature,然后feature.setvalue()就好了
转载于:https://www.cnblogs.com/jamszeng/archive/2008/05/07/1187123.html
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