Master's Thesis - Studierstube Augmented Reality Project - Graz ...

5.2 iMEDgine extensions
23 cam_position = USE dynamicCam . position
24 cam_rotation = USE dynamicCam . orientation
25 }
26
27 #// This camera shows the controlling parts of the scene .
28 DEF staticCam SoOrthographicCamera {
29 focalDistance 10
30 nearDistance 0.5
31 farDistance 10
32 viewportMapping LEAVE_ALONE
33 }
34
35 #// This subgraph is respensable for all controlling
36 #// parts of the scene
37 SoSeparator {
38 USE params
39 USE staticCam
40
41 SoSeparator {
42 SoTransform {
43 scaleFactor 0.1 0.1 0.1
44 translation 0 -0.90 0.3
45 }
46
47 DEF volume_control SoControlDragger {
48 minmax 6.0
49 range = USE params . num_volumes
50 translation -6 0 0
51 }
52
53 #// [...] following some more SoControlDragger
54
55 #// This shows a custumized color gradient if available .
56 SoSeparator {
57 Transform {
58 translation -0.98 0.77 0.3
59 # scaleFactor 1.0 10.0 1.0
60 rotation 0.0 1.0 0.0 1.57
61 }
62 SoImage {
63 image = USE params . color_mapping_image
64 height 80
65 width 15
66 }
67 }
68 }
69
70 #// The main scene graph contains the complete scene .
71 SoSeparator {
89