C# 选择多个要素时如何设置视图范围
我试图找出设置活动视图范围的最佳方法,以便能够查看弧形地图上的所有选定要素 1.地图只有一个图层。2.使用属性过滤特征 下面是我尝试过的代码,我可以在特征选择集中循环特征,但无法将活动视图范围设置为缩放以显示所有选定的特征 注意:这类似于在属性表上单击鼠标右键,选择多行,然后缩放到选定的行C# 选择多个要素时如何设置视图范围,c#,arcgis,feature-extraction,arcobjects,arcmap,C#,Arcgis,Feature Extraction,Arcobjects,Arcmap,我试图找出设置活动视图范围的最佳方法,以便能够查看弧形地图上的所有选定要素 1.地图只有一个图层。2.使用属性过滤特征 下面是我尝试过的代码,我可以在特征选择集中循环特征,但无法将活动视图范围设置为缩放以显示所有选定的特征 注意:这类似于在属性表上单击鼠标右键,选择多行,然后缩放到选定的行 private void ZoomToMultipleDGVSelection(List<int> selectedRightIDs) { IMxDocument pMxDoc = Ar
private void ZoomToMultipleDGVSelection(List<int> selectedRightIDs)
{
IMxDocument pMxDoc = ArcMap.Document;
IMap pMap = (IMap)pMxDoc.ActiveView;
ESRI.ArcGIS.Carto.ILayer layer = GetLayersClass.GetFieldBoundaryLayer;
if (layer is ESRI.ArcGIS.Carto.IGroupLayer)
{
ESRI.ArcGIS.Carto.IGroupLayer groupLayer = layer as ESRI.ArcGIS.Carto.IGroupLayer;
ICompositeLayer pCompositeLayer = layer as ICompositeLayer;
int layers = pCompositeLayer.Count;
ILayer pLayer = pCompositeLayer.Layer[0];
IFeatureLayer pFeatureLayer = (IFeatureLayer)pLayer;
IFeatureSelection pFeatureSelection = (IFeatureSelection)pLayer;
ISelectionSet pSelectionSet = pFeatureSelection.SelectionSet;
IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass;
IQueryFilter pFilter = new QueryFilterClass();
foreach(int ID in selectedRightIDs)
{
pFilter.WhereClause = "RightID = " + ID.ToString();
IFeatureCursor pFeatureCursor = pFeatureClass.Search(pFilter, false);
IFeature pFeature = pFeatureCursor.NextFeature();
pFeatureSelection.Add(pFeature);
}
//if (pFeature == null)
//{
// System.Windows.Forms.MessageBox.Show("This section doesn't exist");
// return;
//}
IGeometry pgeom = (IGeometry)pFeature.Shape;
pMap.SelectByShape(pgeom, null, false);
IEnvelope pEnv = pgeom.Envelope;
pMxDoc.ActiveView.Extent = pEnv;
pMxDoc.ActiveView.Refresh();
}
}
private void zoomtomultiprightselection(列出selectedRightId)
{
IMxDocument pMxDoc=ArcMap.Document;
IMap pMap=(IMap)pMxDoc.ActiveView;
ESRI.ArcGIS.Carto.ILayer layer=GetLayerClass.GetFieldBoundaryLayer;
if(图层为ESRI.ArcGIS.Carto.IGroupLayer)
{
ESRI.ArcGIS.Carto.IGroupLayer groupLayer=层作为ESRI.ArcGIS.Carto.IGroupLayer;
ICompositeLayer pCompositeLayer=作为ICompositeLayer的层;
int layers=pCompositeLayer.Count;
ILayer pLayer=pCompositeLayer.Layer[0];
IFeatureLayer pFeatureLayer=(IFeatureLayer)播放器;
IFeatureSelection pFeatureSelection=(IFeatureSelection)播放器;
ISelectionSet pSelectionSet=pFeatureSelection.SelectionSet;
IFeatureClass pFeatureClass=pFeatureLayer.FeatureClass;
IQueryFilter pFilter=新的QueryFilterClass();
foreach(selectedRightId中的int ID)
{
pFilter.WhereClause=“RightID=“+ID.ToString();
IFeatureCursor pFeatureCursor=pFeatureClass.Search(pFilter,false);
IFeature pFeature=pFeatureCursor.NextFeature();
pFeatureSelection.Add(pFeature);
}
//如果(pFeature==null)
//{
//System.Windows.Forms.MessageBox.Show(“此部分不存在”);
//返回;
//}
Igometry pgeom=(Igometry)pFeature.Shape;
pMap.SelectByShape(pgeom,null,false);
IENEVELOPE pEnv=pgeom.信封;
pMxDoc.ActiveView.Extent=pEnv;
pMxDoc.ActiveView.Refresh();
}
}
提前谢谢你 更简单的方法可能是
IDocument d = ArcMap.Document as IDocument;
IUID ud = new UIDClass();
ud.Value = "esriArcMapUI.ZoomToSelectedCommand";
ICommandItem ci = d.CommandBars.Find(ud);
ci.Execute();
否则,可以将所有形状添加到GeometryBag中,并将其范围(封套)传递到ActiveView 更简单的方法可能是
IDocument d = ArcMap.Document as IDocument;
IUID ud = new UIDClass();
ud.Value = "esriArcMapUI.ZoomToSelectedCommand";
ICommandItem ci = d.CommandBars.Find(ud);
ci.Execute();
否则,可以将所有形状添加到GeometryBag中,并将其范围(封套)传递到ActiveView 将几何体对象添加到geometrybag,然后调用
pMxDoc.ActiveView.Extent = pGeometryBag.envelope
编辑:刚才注意到前面的答案已经暗示,傻我 将几何体对象添加到geometrybag,然后调用
pMxDoc.ActiveView.Extent = pGeometryBag.envelope
编辑:刚才注意到前面的答案已经暗示,傻我