| Geant4 Cross Reference |
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25 //
26 //
27 //
28 /*-----------------------------Hepvis----------------------------------------*/
29 /* */
30 /* Node: SoTrd */
31 /* Description: Represents the G4Trd Geant Geometry entity */
32 /* Author: Joe Boudreau Nov 11 1996 */
33 /* */
34 /*---------------------------------------------------------------------------*/
35 #ifndef HEPVis_SoTrd_h
36 #define HEPVis_SoTrd_h
37
38 #include <Inventor/fields/SoSFFloat.h>
39 #include <Inventor/fields/SoSFNode.h>
40 #include <Inventor/fields/SoSFBool.h>
41 #include <Inventor/nodes/SoShape.h>
42
43 class SoSFNode;
44
45 //! SoTrd - Inventor version of the G4Trd Geant Geometry entity
46 /*!
47 * Node: SoTrd
48 *
49 * Description: Inventor version of the G4Trd Geant Geometry entity
50 *
51 * Author: Joe Boudreau Nov 11 1996
52 *
53 * A Trd is a trapezoid with the x and y dimensions varying along z
54 *
55 * Always use Inventor Fields. This allows Inventor to detect a change to
56 * the data field and take the appropriate action; e.g., redraw the scene.
57 *
58 */
59
60 #define SoTrd Geant4_SoTrd
61
62 class SoTrd:public SoShape {
63
64 //
65 //! This is required
66 //
67 SO_NODE_HEADER(SoTrd);
68
69 public:
70
71 //
72 //! half-length of x, at -fDz
73 //
74 SoSFFloat fDx1;
75
76 //
77 //! half-length of x, at +fDz
78 //
79 SoSFFloat fDx2;
80
81 //
82 //! half-length of y, at -fDz
83 //
84 SoSFFloat fDy1;
85
86 //
87 //! half-length of y, at +fDz
88 //
89 SoSFFloat fDy2;
90
91 //
92 //! half-length along Z
93 //
94 SoSFFloat fDz;
95
96 //
97 //! Alternate rep - required
98 //
99 SoSFNode alternateRep;
100
101 //
102 //! Constructor, required
103 //
104 SoTrd();
105
106 //
107 //! Class Initializer, required
108 //
109 static void initClass();
110
111 //
112 //! Generate AlternateRep, required. Generating an alternate representation
113 //! must be done upon users request. It allows an Inventor program to read
114 //! back the file without requiring *this* code to be dynamically linked.
115 //! If the users expects that *this* code will be dynamically linked, he
116 //! need not invoke this method.
117 //
118 virtual void generateAlternateRep();
119
120 //
121 //! We better be able to clear it, too!
122 //
123 virtual void clearAlternateRep();
124
125 protected:
126
127 //
128 //! compute bounding Box, required
129 //
130 virtual void computeBBox(SoAction *action, SbBox3f &box, SbVec3f ¢er );
131
132 //
133 //! Generate Primitives, required
134 //
135 virtual void generatePrimitives(SoAction *action);
136
137 //
138 //! GetChildList, required whenever the class has hidden children
139 //
140 virtual SoChildList *getChildren() const;
141
142
143 protected:
144
145 //
146 //! Destructor, required
147 //
148 virtual ~SoTrd();
149
150 private:
151
152 //
153 //! Generate Children. Used to create the hidden children. Required whenever
154 //! the node has hidden children.
155 //
156 void generateChildren();
157
158 //
159 //! Used to modify hidden children when a data field is changed. Required
160 //! whenever the class has hidden children.
161 //
162 void updateChildren();
163
164 //
165 //! ChildList. Required whenever the class has hidden children.
166 //
167 SoChildList *children;
168 };
169
170 #endif
171