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contrib/vtkInputPort.h

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00001 /*=========================================================================
00002   
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkInputPort.h,v $
00005   Language:  C++
00006   
00007 Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
00008 All rights reserved.
00009 
00010 Redistribution and use in source and binary forms, with or without
00011 modification, are permitted provided that the following conditions are met:
00012 
00013  * Redistributions of source code must retain the above copyright notice,
00014    this list of conditions and the following disclaimer.
00015 
00016  * Redistributions in binary form must reproduce the above copyright notice,
00017    this list of conditions and the following disclaimer in the documentation
00018    and/or other materials provided with the distribution.
00019 
00020  * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
00021    of any contributors may be used to endorse or promote products derived
00022    from this software without specific prior written permission.
00023 
00024  * Modified source versions must be plainly marked as such, and must not be
00025    misrepresented as being the original software.
00026 
00027 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00028 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00029 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00030 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
00031 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00032 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00033 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00034 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00035 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00036 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00037 
00038 =========================================================================*/
00059 #ifndef __vtkInputPort_h
00060 #define __vtkInputPort_h
00061 
00062 #include "vtkSource.h"
00063 #include "vtkMultiProcessController.h"
00064 class vtkPolyData;
00065 class vtkUnstructuredGrid;
00066 class vtkStructuredGrid;
00067 class vtkRectilinearGrid;
00068 class vtkStructuredPoints;
00069 class vtkImageData;
00070 
00071 // Arbitrary tags used by the ports for communication.
00072 #define VTK_PORT_DOWN_DATA_TIME_TAG         98970
00073 #define VTK_PORT_UPDATE_EXTENT_TAG          98971
00074 #define VTK_PORT_TRANSFER_NEEDED_TAG        98972
00075 #define VTK_PORT_INFORMATION_TRANSFER_TAG   98973
00076 #define VTK_PORT_DATA_TRANSFER_TAG          98974
00077 #define VTK_PORT_NEW_DATA_TIME_TAG          98975
00078 
00079 
00080 class VTK_EXPORT vtkInputPort : public vtkSource
00081 {
00082 public:
00083   static vtkInputPort *New();
00084   vtkTypeMacro(vtkInputPort,vtkSource);
00085   void PrintSelf(ostream& os, vtkIndent indent);
00086 
00091   vtkPolyData *GetPolyDataOutput();
00092   vtkUnstructuredGrid *GetUnstructuredGridOutput();
00093   vtkStructuredGrid *GetStructuredGridOutput();
00094   vtkRectilinearGrid *GetRectilinearGridOutput();
00095   vtkStructuredPoints *GetStructuredPointsOutput();
00096   vtkImageData *GetImageDataOutput();
00097   
00101   vtkSetMacro(RemoteProcessId, int);
00102   vtkGetMacro(RemoteProcessId, int);
00103   vtkSetMacro(Tag, int);
00104   vtkGetMacro(Tag, int);
00105   
00107   void UpdateInformation();
00108 
00110   void PropagateUpdateExtent(vtkDataObject *vtkNotUsed(output)) {};
00111 
00113   void UpdateData( vtkDataObject *out );
00114 
00116   void TriggerAsynchronousUpdate();  
00117   
00120   vtkMultiProcessController *GetController() {return this->Controller;}
00121   vtkSetObjectMacro(Controller, vtkMultiProcessController);
00122   
00123 protected:
00124   vtkInputPort();
00125   ~vtkInputPort();  
00126   vtkInputPort(const vtkInputPort&) {};
00127   void operator=(const vtkInputPort&) {};
00128   
00129   vtkMultiProcessController *Controller;
00130   int RemoteProcessId;
00131   int Tag;
00132 
00133   unsigned long DataTime;
00134   unsigned long UpStreamMTime;
00135   int TransferNeeded;
00136 };
00137 
00138 #endif
00139 
00140 

Generated on Wed Nov 21 12:26:55 2001 for VTK by doxygen1.2.11.1 written by Dimitri van Heesch, © 1997-2001