1 /*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: pipe1.cxx
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14 =========================================================================*/
15
16 #include "vtkCallbackCommand.h"
17 #include "vtkImageData.h"
18 #include "vtkOutputPort.h"
19 #include "vtkRTAnalyticSource.h"
20
21 #include "PipelineParallelism.h"
22
23 static float XFreq = 60;
24
25 // Increments XFreq of the synthetic source
IncrementXFreq(vtkObject * vtkNotUsed (caller),unsigned long vtkNotUsed (eventId),void * sr,void *)26 static void IncrementXFreq(vtkObject *vtkNotUsed( caller ),
27 unsigned long vtkNotUsed(eventId),
28 void *sr, void *)
29 {
30 vtkRTAnalyticSource* source1 = reinterpret_cast<vtkRTAnalyticSource*>(sr);
31 XFreq = XFreq + 10;
32 source1->SetXFreq(XFreq);
33 }
34
35
36 // Pipe 1 for PipelineParallelism.
37 // See PipelineParallelism.cxx for more information.
pipe1(vtkMultiProcessController * vtkNotUsed (controller),void * vtkNotUsed (arg))38 void pipe1(vtkMultiProcessController* vtkNotUsed(controller),
39 void* vtkNotUsed(arg))
40 {
41 double extent = 20;
42 int iextent = static_cast<int>(extent);
43
44 // Synthetic image source.
45 vtkRTAnalyticSource* source1 = vtkRTAnalyticSource::New();
46 source1->SetWholeExtent (-1*iextent, iextent, -1*iextent, iextent,
47 -1*iextent, iextent );
48 source1->SetCenter(0, 0, 0);
49 source1->SetStandardDeviation( 0.5 );
50 source1->SetMaximum( 255.0 );
51 source1->SetXFreq( XFreq );
52 source1->SetXMag( 10 );
53 source1->SetYFreq( 30 );
54 source1->SetYMag( 18 );
55 source1->SetZFreq( 40 );
56 source1->SetZMag( 5 );
57 source1->GetOutput()->SetSpacing(2.0/extent,2.0/extent,2.0/extent);
58
59 // Output port
60 vtkOutputPort* op = vtkOutputPort::New();
61 op->SetInputConnection(source1->GetOutputPort());
62 op->SetTag(11);
63
64 // Called every time data is requested from the output port
65 vtkCallbackCommand *cbc = vtkCallbackCommand::New();
66 cbc->SetCallback(IncrementXFreq);
67 cbc->SetClientData((void *)source1);
68 op->AddObserver(vtkCommand::EndEvent,cbc);
69 cbc->Delete();
70
71 // Process requests
72 op->WaitForUpdate();
73
74 // Cleanup
75 op->Delete();
76 source1->Delete();
77
78 }
79
80
81