public IGeometry EndFeatureEdit(int x, int y)
{
if (MyfeedBack == null)
{
return(null);
}
IGeometry geometry = null;
IPoint point = MyMapControl.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(x, y);
if ((MyfeedBack as IMovePointFeedback) != null)
{
IMovePointFeedback pointMove = MyfeedBack as IMovePointFeedback;
geometry = pointMove.Stop() as IGeometry;
}
else if ((MyfeedBack as ILineMovePointFeedback) != null)
{
ILineMovePointFeedback lineMove = MyfeedBack as ILineMovePointFeedback;
geometry = lineMove.Stop() as IGeometry;
}
else if ((MyfeedBack as IPolygonMovePointFeedback) != null)
{
IPolygonMovePointFeedback polyMove = MyfeedBack as IPolygonMovePointFeedback;
geometry = polyMove.Stop() as IGeometry;
}
MyfeedBack = null;
MyMapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, MyselectedLayer, null);
return(geometry);
}
/// <summary>
/// 完成地图对象编辑，取得编辑后的对象，并将其更新到图层中
/// 建议在Map.MouseUp事件中调用本方法
/// </summary>
public void EditFeatureEnd()
{
IGeometry pGeometry;
try
{
if (m_pFeedback == null)
{
return;
}
if (m_pFeedback is IMovePointFeedback)
{
IMovePointFeedback pPointMove = (IMovePointFeedback)m_pFeedback;
pGeometry = pPointMove.Stop();
UpdateFeature(m_pEditFeature, pGeometry);
}
else if (m_pFeedback is ILineMovePointFeedback)
{
ILineMovePointFeedback pLineMove = (ILineMovePointFeedback)m_pFeedback;
pGeometry = pLineMove.Stop();
UpdateFeature(m_pEditFeature, pGeometry);
}
else if (m_pFeedback is IPolygonMovePointFeedback)
{
IPolygonMovePointFeedback pPolyMove = (IPolygonMovePointFeedback)m_pFeedback;
pGeometry = pPolyMove.Stop();
UpdateFeature(m_pEditFeature, pGeometry);
}
m_pFeedback = null;
// m_pSelectionTracker = null;
IActiveView pActiveView = (IActiveView)m_pMap;
pActiveView.Refresh();
}
catch (Exception e)
{
Console.WriteLine(e.Message.ToString());
}
}
private void EditMouseUp(IPoint pPnt)
{
IPolygon pPolyResult;
IPolyline pPolylineResult;
IFeatureCursor pFeatureCursor;
IFeature pFeature;
IFeatureLayer pFeatLyr = m_EngineEditLayers.TargetLayer;
//检查编辑的地物
if (m_editDispFeed != null)
{
switch (m_pHitElem.Geometry.GeometryType)
{
case esriGeometryType.esriGeometryLine:
case esriGeometryType.esriGeometryPolyline:
pPolylineResult = m_polylineMvPtFeed.Stop();
//作有效性检查
if ((pPolylineResult != null))
{
//更新元素
m_pHitElem.Geometry = pPolylineResult;
//获取选中的地物
pFeatureCursor = MapManager.GetSelectedFeatures(pFeatLyr);
if (pFeatureCursor == null)
{
return;
}
pFeature = pFeatureCursor.NextFeature();
m_EngineEditor.StartOperation();
//更新要素形状
pFeature.Shape = pPolylineResult;
pFeature.Store();
//停止编辑
m_EngineEditor.StopOperation("MoveVertex");
EditVertexClass.ShowAllVertex(pFeatLyr);
}
break;
case esriGeometryType.esriGeometryPolygon:
case esriGeometryType.esriGeometryEnvelope:
//得到反馈的结果
pPolyResult = m_polyMvPtFeed.Stop();
//作有效性检查
if (pPolyResult != null)
{
//更新元素
m_pHitElem.Geometry = pPolyResult;
//获取选中的地物
pFeatureCursor = MapManager.GetSelectedFeatures(pFeatLyr);
if (pFeatureCursor == null)
{
return;
}
pFeature = pFeatureCursor.NextFeature();
m_EngineEditor.StartOperation();
//更新要素形状
pFeature.Shape = pPolyResult;
pFeature.Store();
//停止编辑
m_EngineEditor.StopOperation("MoveVertex");
if (pFeature.Shape.GeometryType == esriGeometryType.esriGeometryPolygon ||
pFeature.Shape.GeometryType == esriGeometryType.esriGeometryPolyline)
{
EditVertexClass.ShowAllVertex(pFeatLyr);
}
}
IFeature pTempParcel;
//定义存储多边形要素的局部变量
IPoint pDestPoint;
//定义节点移动的目标位置
pDestPoint = pPnt;
IZAware pZAware = pDestPoint as IZAware;
pZAware.ZAware = true;
pDestPoint.Z = 0;
//所有包含该节点的多边形都进行操作
for (int i = 0; i <= EditVertexClass.m_featArray.Count - 1; i++)
{
pTempParcel = EditVertexClass.m_featArray.get_Element(i) as IFeature;
//记录节点序号
int pIndex = 0;
pIndex = EditVertexClass.GetVertexIndex(m_fromPoint, pTempParcel.Shape);
if (!(pIndex == -2))
{
ITopologicalOperator pTopoOpt = default(ITopologicalOperator);
IPolygon pPolygon = default(IPolygon);
IPointCollection pPolygonPointCol = default(IPointCollection);
pPolygonPointCol = pTempParcel.ShapeCopy as IPointCollection;
pPolygonPointCol.UpdatePoint(pIndex, pDestPoint);
pPolygon = pPolygonPointCol as IPolygon;
pPolygon.Close();
pTopoOpt = pPolygon as ITopologicalOperator;
pTopoOpt.Simplify();
pTempParcel.Shape = pPolygon;
pTempParcel.Store();
}
}
EditVertexClass.m_featArray.RemoveAll();
break;
}
//释放内存
m_polyMvPtFeed = null;
m_polylineMvPtFeed = null;
m_editDispFeed = null;
m_pHitElem = null;
//刷新地图
m_activeView.Refresh();
}
}
