1 /*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: TestOSPRayScalarBar.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 "vtkSmartPointer.h"
17
18 #include "vtkActor.h"
19 #include "vtkCamera.h"
20 #include "vtkElevationFilter.h"
21 #include "vtkNew.h"
22 #include "vtkOSPRayPass.h"
23 #include "vtkOSPRayRendererNode.h"
24 #include "vtkPolyDataMapper.h"
25 #include "vtkProperty2D.h"
26 #include "vtkRegressionTestImage.h"
27 #include "vtkRenderWindow.h"
28 #include "vtkRenderWindowInteractor.h"
29 #include "vtkRenderer.h"
30 #include "vtkScalarBarActor.h"
31 #include "vtkScalarsToColors.h"
32 #include "vtkSphereSource.h"
33 #include "vtkTextProperty.h"
34
35 #include "vtkTestUtilities.h"
36
TestOSPRayScalarBar(int argc,char * argv[])37 int TestOSPRayScalarBar(int argc, char* argv[])
38 {
39 vtkNew<vtkSphereSource> sphere;
40 sphere->SetThetaResolution(8);
41 sphere->SetPhiResolution(8);
42 vtkNew<vtkElevationFilter> elev;
43 elev->SetInputConnection(sphere->GetOutputPort(0));
44
45 vtkNew<vtkPolyDataMapper> sphereMapper;
46 sphereMapper->SetInputConnection(elev->GetOutputPort(0));
47 vtkNew<vtkActor> sphereActor;
48 sphereActor->SetMapper(sphereMapper);
49
50 // Create the RenderWindow, Renderer and all Actors
51 vtkSmartPointer<vtkRenderer> ren1 = vtkSmartPointer<vtkRenderer>::New();
52 vtkSmartPointer<vtkRenderWindow> renWin = vtkSmartPointer<vtkRenderWindow>::New();
53 renWin->AddRenderer(ren1);
54
55 vtkSmartPointer<vtkRenderWindowInteractor> iren =
56 vtkSmartPointer<vtkRenderWindowInteractor>::New();
57 iren->SetRenderWindow(renWin);
58
59 vtkSmartPointer<vtkScalarBarActor> scalarBar1 = vtkSmartPointer<vtkScalarBarActor>::New();
60 vtkScalarsToColors* lut = sphereMapper->GetLookupTable();
61 lut->SetAnnotation(0.0, "Zed");
62 lut->SetAnnotation(1.0, "Uno");
63 lut->SetAnnotation(0.1, "$\\frac{1}{10}$");
64 lut->SetAnnotation(0.125, "$\\frac{1}{8}$");
65 lut->SetAnnotation(0.5, "Half");
66 scalarBar1->SetTitle("Density");
67 scalarBar1->SetLookupTable(lut);
68 scalarBar1->DrawAnnotationsOn();
69 scalarBar1->GetPositionCoordinate()->SetCoordinateSystemToNormalizedViewport();
70 scalarBar1->GetPositionCoordinate()->SetValue(.6, .05);
71 scalarBar1->SetWidth(0.15);
72 scalarBar1->SetHeight(0.5);
73 scalarBar1->SetTextPositionToPrecedeScalarBar();
74 scalarBar1->GetTitleTextProperty()->SetColor(0., 0., 1.);
75 scalarBar1->GetLabelTextProperty()->SetColor(0., 0., 1.);
76 scalarBar1->SetDrawFrame(1);
77 scalarBar1->GetFrameProperty()->SetColor(0., 0., 0.);
78 scalarBar1->SetDrawBackground(1);
79 scalarBar1->GetBackgroundProperty()->SetColor(1., 1., 1.);
80
81 // Add the actors to the renderer, set the background and size
82 //
83 ren1->AddActor(sphereActor);
84 ren1->AddActor(scalarBar1);
85 ren1->GradientBackgroundOn();
86 ren1->SetBackground(.5, .5, .5);
87 ren1->SetBackground2(.0, .0, .0);
88
89 // render the image
90 renWin->SetWindowName("VTK - Scalar Bar options");
91 renWin->SetSize(600, 500);
92 renWin->SetMultiSamples(0);
93 vtkSmartPointer<vtkOSPRayPass> ospray = vtkSmartPointer<vtkOSPRayPass>::New();
94 ren1->SetPass(ospray);
95
96 for (int i = 0; i < argc; ++i)
97 {
98 if (!strcmp(argv[i], "--OptiX"))
99 {
100 vtkOSPRayRendererNode::SetRendererType("optix pathtracer", ren1);
101 break;
102 }
103 }
104
105 renWin->Render();
106
107 int retVal = vtkRegressionTestImage(renWin);
108 if (retVal == vtkRegressionTester::DO_INTERACTOR)
109 {
110 iren->Start();
111 }
112
113 return !retVal;
114 }
115