GIS二次开发第8课剖析课件.ppt

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1、GIS二次开发二次开发主讲：张云鹏主讲：张云鹏第八课第八课 空间数据编辑空间数据编辑nArcGISEngine编辑编辑概述概述n版本化空版本化空间间数据数据编辑编辑nDisplayFeedback对对象象n多多边边形挖空形挖空处处理理n分割分割线线要素要素n线线、面要素整形、面要素整形(Reshape)n要素合并要素合并n多部分要素的多部分要素的处处理理n线线要素的延伸与修剪要素的延伸与修剪8.1 ArcGIS Engine 编辑概述1.1.ArcGISArcGIS Engine Engine 编辑与编辑与 ArcMap ArcMap 编辑编辑2.2.编辑流程编辑流程 3.3.Editing

2、target layer Editing target layer 4.4.Edit tasks Edit tasks 5.5.Edit sketch Edit sketch 6.6.Working with the operation stackWorking with the operation stack7.7.Snap agents Snap agents 8.8.Edit events Edit events 9.9.Feature inspectors Feature inspectors 8.1.1 ArcGIS Engine 编辑与 ArcMap 编辑nArcGIS桌面的编辑功

3、能通过桌面的编辑功能通过Editor库发布库发布,ArcGISEngine的编辑功能包含在的编辑功能包含在Controls库中库中.nArcGISEngineControls库中提供了内置的编辑命令、库中提供了内置的编辑命令、工具、菜单等，用于地理要素的工具、菜单等，用于地理要素的复制复制、剪切剪切、粘贴粘贴和和删删除除、启动编辑启动编辑、停止编辑停止编辑、保存编辑保存编辑、编辑工具（编辑工具（EditTool）、绘制工具（绘制工具（SketchTool）、编辑的目标图层编辑的目标图层ToolControl、属性编辑属性编辑、要素编辑过程中右键菜单功能要素编辑过程中右键菜单功能和和Snappi

4、ng设置设置等功能。等功能。这些命令、工具等在开发过这些命令、工具等在开发过程中可以直接使用。程中可以直接使用。要素的复制、剪切、粘贴和删除ControlToolsEditing_Copy2D7BD886-7531-4198-820D-551A5A14569EesriControls.ControlsEditingCopyCommandControlToolsEditing_CutC03E7512-CA4E-4197-8386-57830425D13AesriControls.ControlsEditingCutCommandControlToolsEditing_Paste99FADFFD-

5、A788-4F1F-A1B3-04909B06735AesriControls.ControlsEditingPasteCommandControlToolsEditing_ClearC4CB4830-8C2E-49AE-9D12-73E822BCA90EesriControls.ControlsEditingClearCommandArcGIS Engine环境下的EditorToolbar、Editor Menu and Edit Task:ControlToolsEditing_Start5CAF45CD-E3B1-4FFD-96C4-BCDD2289C1EBesriControls.C

6、ontrolsEditingStartCommandControlToolsEditing_Stop8D03C271-BB00-4A36-9B84-AD2E1DE0DE11esriControls.ControlsEditingStopCommandControlToolsEditing_Save0BB6A923-6AAF-4B7A-B8A8-A7225065A0C8esriControls.ControlsEditingSaveCommandControlToolsEditing_Edit6F922BD8-EF26-4852-BAED-45CFF3A97121esriControls.Con

7、trolsEditingEditToolControlToolsEditing_Sketch13B234E8-3B30-49CA-9967-4C76F7231AD6esriControls.ControlsEditingSketchToolControlToolsEditing_TargetToolControl5D815B27-6A93-42DB-B2C6-1CC58B416E9FesriControls.ControlsEditingTargetToolControlControlToolsEditing_AttributeA554ADBC-D0DD-469A-8A95-B4CEED079

8、4C3esriControls.ControlsEditingAttributeCommandControlToolsEditing_SketchProperties506ACF9B-B4B4-4A4A-A5FA-5215E4A240B2esriControls.ControlsEditingSketchPropertiesCommand撤销（undo）/重复（redo）ControlToolsGeneric_RedoB0675372-0271-4680-9A2C-269B3F0C01E8esriControls.ControlsRedoCommandControlToolsGeneric_U

9、ndo380FB31E-6C24-4F5C-B1DF-47F33586B885esriControls.ControlsUndoCommandArcGIS Engine的“Sketch Tool Context Menu”ControlToolsEditing_SnapToFeatureMenu3E28536E-66EB-4812-BD8C-7AE6EA5CCB17esriControls.ControlsEditingSnapToFeatureMenuControlToolsEditing_SnapEndpointB473F50B-3D6B-4718-8DE3-75D7ECACED58esr

10、iControls.ControlsEditingSnapEndpointCommandControlToolsEditing_SnapVertex78FF7F24-E5E6-4CA4-993E-6FAA81684441esriControls.ControlsEditingSnapVertexCommandControlToolsEditing_SnapMidpoint250219D8-7A0B-4017-93EF-1E893D16F742esriControls.ControlsEditingSnapMidpointCommandControlToolsEditing_SnapEdge5D

11、67D843-E10C-4D0B-A69C-2DFA82B25450esriControls.ControlsEditingSnapEdgeCommandControlToolsEditing_SketchDirection4E6E4BB5-4B2E-4E1F-8E08-18E24FF80A13esriControls.ControlsEditingSketchDirectionCommandControlToolsEditing_SketchDeflection3ECE8CAB-3DAD-4B04-B586-D9B6369885C3esriControls.ControlsEditingSk

12、etchDeflectionCommandControlToolsEditing_SketchLengthFAF9D507-97DF-4F2E-835A-35A3DECF90B9esriControls.ControlsEditingSketchLengthCommandControlToolsEditing_SketchChangeLength6EF1BE13-4FF4-4529-958D-46A418C99DD8esriControls.ControlsEditingSketchChangeLengthCommandControlToolsEditing_SketchAbsoluteXYB

13、368783B-9BDE-46A6-A712-2969C1F21FA2esriControls.ControlsEditingSketchAbsoluteXYCommandControlToolsEditing_SketchDeltaXY061BD3E1-4245-4699-863C-DE478647FBE3esriControls.ControlsEditingSketchDeltaXYCommandControlToolsEditing_SketchDirectionLength9DB473E5-BF90-465B-8758-74C656F136EBesriControls.Control

14、sEditingSketchDirectionLengthCommandControlToolsEditing_SketchParallel798FED0C-978D-4DFA-A658-D3DADF9D414DesriControls.ControlsEditingSketchParallelCommandControlToolsEditing_SketchPerpendicularA9F4EAD1-622C-4BC7-857B-55ABA51D5359esriControls.ControlsEditingSketchPerpendicularCommandControlToolsEdit

15、ing_SketchSegmentDeflectionA1D97BFF-5B08-4852-8223-5714EC5811DBesriControls.ControlsEditingSketchSegmentDeflectionCommandControlToolsEditing_SketchReplaceC9DFFED3-57CC-485A-A5A1-CC510CE9DC97esriControls.ControlsEditingSketchReplaceCommandControlToolsEditing_SketchStreaming4E8F7A0A-C3F3-462B-9632-D99

16、81941A18EesriControls.ControlsEditingSketchStreamingCommandControlToolsEditing_SketchDeleteE5D330C9-8E98-4148-818F-7128D152DFD5esriControls.ControlsEditingSketchDeleteCommandControlToolsEditing_SketchFinish2A876779-8A6A-4B73-9B89-AE0099B0571AesriControls.ControlsEditingSketchFinishCommandControlTool

17、sEditing_SketchFinishSquare73883500-776E-4E99-92B2-6ED6332558DDesriControls.ControlsEditingSketchFinishSquareCommandControlToolsEditing_SketchFinishPartD69E981F-4FDE-4077-B224-0C58A35AF668esriControls.ControlsEditingSketchFinishPartCommandControlToolsEditing_TaskToolControlBEB77C7B-4257-41DC-9447-C3

18、C5C4C8F7C7esriControls.ControlsEditingTaskToolControln在在ArcGIS桌面环境中的主要编辑对象是桌面环境中的主要编辑对象是Editor，而在，而在ArcGISEngine开发中则是开发中则是EngineEditor(单实例对象单实例对象);在相应的应用程序中，它们负责管理在相应的应用程序中，它们负责管理editsketch,currenttask,currenttargetlayer,editworkspace,editselection,editsessionproperties,andsnapenvironment.nEngineEdi

19、tor主要接口：主要接口：IEngineEditor、IEngineEditLayers、IEngineEditProperties、IEngineEditProperties2、IEngineEditSketch、IEngineSnapEnvironment、IEngineEditEvents、IExtension(System)nArcMapEditor主要接口：主要接口：InterfacesIEditAnnotationPropertiesIEditAttributePropertiesIEditLayersIEditor3IEditorZIEditPropertiesIEditProp

20、erties2IEditProperties3IEditProperties4IEditSketch3IEditTaskSearchIExtension(esriSystem)IExtensionAccelerators(esriSystem)IExtensionManager(esriSystem)ISnapEnvironment3themain editing interfacesArcGIS Engine ArcGIS Desktop Editing environment IEngineEditor（New in 9.3）IEditor Edit tasks IEngineEditTa

21、sk（New in 9.3）IEditTaskEdit sketch IEngineEditSketch（New in 9.3）IEditSketch Edit layers IEngineEditLayers（New in 9.3）IEditLayers Edit properties IEngineEditPropertiesIEditProperties Edit events IEngineEditEvents（New in 9.3）IEditEvents IEngineEditSketch IEngineEditor IEngineEditLayers IEngineEditProp

22、erties IEngineEditProperties2 IEngineEditEvents（New in 9.3）IEngineEditTask（new at ArcGIS 9.3）n编辑任务使用编辑绘制几何对象编辑任务使用编辑绘制几何对象(fromIEngineEditSketch:Geometry)完成某项完成某项操作；操作；EngineEditor一次只能有一个活一次只能有一个活动的编辑任务，使用动的编辑任务，使用IEngineEditor:CurrentTask设置当前的设置当前的编辑任务编辑任务.l所有的所有的 Engine Engine 编辑任务都实现了编辑任务都实现了IEng

23、ineEditTaskIEngineEditTask 接口接口.Engine.Engine 编辑任务必须注册到编辑任务必须注册到ESRI Engine Edit TasksESRI Engine Edit Tasks组件类目中，组件类目中，以便显示在以便显示在 ControlsEditingTaskToolControlControlsEditingTaskToolControl中中 .8.1.2 编辑流程n编辑会话（编辑会话（Editsession）建议所有的编辑操作应该一个编辑会话中完成，建议所有的编辑操作应该一个编辑会话中完成，当应用程序使用插当应用程序使用插入游标或更新游标进行批导入或

24、批更新要素除外。入游标或更新游标进行批导入或批更新要素除外。n编辑会话用于实现封装多个编辑和绘制操作的长事务处理。n一个编辑会话中的数据变化只有执行该编辑会话的应用程序可见，编辑会话保存之前，其它并发的应用程序是看不到这些编辑变化的。nAneditsessioncanbecreatedusingIEngineEditor(Controls)orIWorkspaceEdit(Geodatabase).具体使用场合：具体使用场合：Use Use IWorkspaceEditIWorkspaceEdit to programmatically perform edits in to programm

25、atically perform edits in console applications or graphical user interface(GUI)-console applications or graphical user interface(GUI)-based applications that dont require any user based applications that dont require any user interaction.interaction.Use Use IEngineEditorIEngineEditor for GUI-based e

26、diting applications for GUI-based editing applications that involve any of the following:that involve any of the following:nUsingtheout-of-the-boxeditingcommandsnWorkingwiththeeditsketchnControllingthesnappingenvironmentnListeningtoeventsthatareraisedwhileeditingEdit and sketch operations n编辑操作用于创建、

27、修改或删除要素，编辑操作用于创建、修改或删除要素，而绘制操作用而绘制操作用于修改编辑绘制于修改编辑绘制（editsketch）.编辑与绘制操作可以看作是嵌套在编辑会话对应的长事务中编辑与绘制操作可以看作是嵌套在编辑会话对应的长事务中的一系列短事务。的一系列短事务。n通过把每个操作加入操作通过把每个操作加入操作栈栈，实现编辑会话中的，实现编辑会话中的undo/redo功能。一旦编辑会话完成，所有操作都从操作功能。一旦编辑会话完成，所有操作都从操作栈栈删除。删除。Start an edit session nAneditsessionisstartedbycallingtheIEngineEdit

28、or.StartEditingmethodwithtwoargumentsIMapandIWorkspace.Every editable layer from the same workspace that is Every editable layer from the same workspace that is present in the map can be edited in the edit session.present in the map can be edited in the edit session.The The IEngineEditLayers.IsEdita

29、bleIEngineEditLayers.IsEditable property indicates property indicates whether a particular layer is editable.When working whether a particular layer is editable.When working with SDE workspaces,set with SDE workspaces,set IEngineEditor.EditSessionModeIEngineEditor.EditSessionMode to specify whether

30、versioned or non-versioned layers to specify whether versioned or non-versioned layers are editable,as it is not possible to edit both types are editable,as it is not possible to edit both types in a single edit session.in a single edit session.IEngineEditor private private IEngineEditorIEngineEdito

31、r m_engineEditor=new EngineEditorClass();m_engineEditor=new EngineEditorClass();private void StartEditingprivate void StartEditing (IMapIMap map,map,IFeatureLayerIFeatureLayer featureLayer)featureLayer)if(m_engineEditor.EditState!=if(m_engineEditor.EditState!=esriEngineEditState.esriEngineStateNotEd

32、iting)return;esriEngineEditState.esriEngineStateNotEditing)return;IDatasetIDataset dataset=featureLayer.FeatureClass as dataset=featureLayer.FeatureClass as IDatasetIDataset;IWorkspaceIWorkspace workspace=dataset.Workspace;workspace=dataset.Workspace;m_engineEditor.m_engineEditor.StartEditingStartEd

33、iting(workspace,map);(workspace,map);(IEngineEditLayersIEngineEditLayers)m_engineEditor).m_engineEditor).SetTargetLayer(featureLayer,-1);SetTargetLayer(featureLayer,-1);public void public void SetTargetLayerSetTargetLayer(IFeatureLayerIFeatureLayer Layer,Layer,intint SubTypeSubType););Edit operation

34、snPerformalleditsmadeinaneditsessionwithinaneditoperation.nIEngineEditor.StartOperation-启动编辑操作启动编辑操作public void StartOperation();public void StartOperation();nIEngineEditor.AbortOperation-取消编辑操作，不保存编辑取消编辑操作，不保存编辑public void AbortOperation();public void AbortOperation();nIEngineEditor.StopOperation-结

35、束编辑操作结束编辑操作public void StopOperation(string public void StopOperation(string operationNameoperationName););Calling StopOperation creates an edit operation that Calling StopOperation creates an edit operation that is added to the top of the operation stack.is added to the top of the operation stack.n

36、privatevoidcmdEditOperation()m_engineEditor.m_engineEditor.StartOperationStartOperation();();try try /Perform feature edits here./Perform feature edits here.if(someEditValidationChecksMethod=true)if(someEditValidationChecksMethod=true)m_engineEditor.m_engineEditor.StopOperationStopOperation(“Test ed

37、it(“Test edit operation”);operation”);else else m_engineEditor.m_engineEditor.AbortOperationAbortOperation();();catch(Exception ex)catch(Exception ex)m_engineEditor.m_engineEditor.AbortOperationAbortOperation();();/Add code to handle exception./Add code to handle exception.nSaveandstopaneditsessionE

38、dits made during the edit session can be saved by Edits made during the edit session can be saved by executing executing ControlsEditingSaveCommandControlsEditingSaveCommand.Alternatively,call.Alternatively,call IEngineEditor.StopEditingIEngineEditor.StopEditing with the saveChanges argument with th

39、e saveChanges argument set to true.set to true.npublicvoidStopEditing(boolsaveChanges);n若saveChanges为false，则不保存编辑变化结束编辑会话。nprivatevoidbtnStopEditing_Click(objectsender,EventArgse)if(m_engineEditor.if(m_engineEditor.HasEditsHasEdits()=false)()=false)m_engineEditor.m_engineEditor.StopEditingStopEditin

40、g(falsefalse););else else if(MessageBox.Show(Save Edits?,Save Prompt,if(MessageBox.Show(Save Edits?,Save Prompt,MessageBoxButtons.YesNo)=DialogResult.Yes)MessageBoxButtons.YesNo)=DialogResult.Yes)m_engineEditor.m_engineEditor.StopEditingStopEditing(truetrue););else m_engineEditor.else m_engineEditor

41、.StopEditingStopEditing(falsefalse););IWorkspaceEdit接口 nIWorkspaceEdit接口是接口是ArcObjects实实现空间数据编辑功能的另一接口现空间数据编辑功能的另一接口.它可以启动或停止一个编辑流程，它可以启动或停止一个编辑流程，适用于适用于不需要用户交互的编辑操作不需要用户交互的编辑操作。n使用使用StartEditing方法启动一个编辑流程方法启动一个编辑流程public voidpublic void StartEditing(bool StartEditing(bool withUndoRedowithUndoRedo);

42、);withUndoRedowithUndoRedo参数用来确定是否支持参数用来确定是否支持“undo/redo undo/redo”功能功能。n在启动编辑后，可以使用在启动编辑后，可以使用StartEditOperation方法开启编辑操作。方法开启编辑操作。public void StartEditOperation();public void StartEditOperation();n如果在编辑过程中出现了异常，可以使用如果在编辑过程中出现了异常，可以使用AbortEditoperation方法方法来取消编辑操作。来取消编辑操作。publicvoidAbortEditOperation

43、();n在完成一个编辑后，用户可以使用在完成一个编辑后，用户可以使用StopEditoperation方法来确保方法来确保编辑操作的完成。编辑操作的完成。public void StopEditOperation();public void StopEditOperation();nUndoEditoperation方法可以用于编辑状态的回滚操作，如果发现方法可以用于编辑状态的回滚操作，如果发现编辑过程有误，通过执行这个方法可以恢复到最近变化前的状态。编辑过程有误，通过执行这个方法可以恢复到最近变化前的状态。n在整个编辑流程完成后，可以使用在整个编辑流程完成后，可以使用StopEditing方

44、法来完成编辑。方法来完成编辑。当执行完这个方法后，就意味着不能再进行当执行完这个方法后，就意味着不能再进行“恢复取消恢复恢复取消恢复”了。了。public void StopEditing(bool public void StopEditing(bool saveEditssaveEdits););nprivatevoidStartEditing(IFeatureLayerfeatureLayer)IFeatureClassIFeatureClass featureClass=featureLayer.FeatureClass;featureClass=featureLayer.Featur

45、eClass;IDatasetIDataset dataset=featureClass as IDataset;dataset=featureClass as IDataset;IWorkspaceEditIWorkspaceEdit workspaceEdit=dataset.Workspace as workspaceEdit=dataset.Workspace as IWorkspaceEdit;IWorkspaceEdit;workspaceEdit.StartEditing(true);workspaceEdit.StartEditing(true);workspaceEdit.S

46、tartEditOperation();workspaceEdit.StartEditOperation();IFeatureIFeature pFeature=featureClass.GetFeature(1);pFeature=featureClass.GetFeature(1);pFeature.Delete();pFeature.Delete();workspaceEdit.StopEditOperation();workspaceEdit.StopEditOperation();bool bHasEdits=true;bool bHasEdits=true;DialogResult

47、DialogResult iResponse=MessageBox.Show(Edit iResponse=MessageBox.Show(Edit Operation,Undo operation?,Operation,Undo operation?,MessageBoxButtons.YesNo);MessageBoxButtons.YesNo);if(iResponse=DialogResult.Yes)if(iResponse=DialogResult.Yes)workspaceEdit.UndoEditOperation();workspaceEdit.UndoEditOperati

48、on();workspaceEdit.HasEdits(ref bHasEdits);workspaceEdit.HasEdits(ref bHasEdits);if(bHasEdits)if(bHasEdits)iResponse=MessageBox.Show(Edit Operation,iResponse=MessageBox.Show(Edit Operation,Save edits?,MessageBoxButtons.YesNo);Save edits?,MessageBoxButtons.YesNo);if(iResponse=DialogResult.Yes)if(iRes

49、ponse=DialogResult.Yes)workspaceEdit.StopEditing(true);workspaceEdit.StopEditing(true);else else workspaceEdit.StopEditing(false);workspaceEdit.StopEditing(false);8.1.3 Editing target layer n使用使用IEngineEditLayers.SetTargetLayer或或ControlsEditingTargetToolControl设置要编辑的目标图设置要编辑的目标图层层。n使用使用IEngineEditLa

50、yers.TargetLayer获得目前编辑的图获得目前编辑的图层。层。n使用使用IEngineEditEvents.OnTargetLayerChanged事件来事件来监听编辑目标图层的变化。监听编辑目标图层的变化。IEngineEditLayers 8.1.4 Edit tasks n编辑任务需要使用编辑任务需要使用editsketch中的几中的几何对象，执行某一特定的编辑操作。何对象，执行某一特定的编辑操作。nTwoout-of-the-boxedittasksareprovided:CreateNewFeatureandModifyFeature.n可以通过实现可以通过实现IEngin