1 | // |
---|
2 | // ******************************************************************** |
---|
3 | // * License and Disclaimer * |
---|
4 | // * * |
---|
5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
7 | // * conditions of the Geant4 Software License, included in the file * |
---|
8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
9 | // * include a list of copyright holders. * |
---|
10 | // * * |
---|
11 | // * Neither the authors of this software system, nor their employing * |
---|
12 | // * institutes,nor the agencies providing financial support for this * |
---|
13 | // * work make any representation or warranty, express or implied, * |
---|
14 | // * regarding this software system or assume any liability for its * |
---|
15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
16 | // * for the full disclaimer and the limitation of liability. * |
---|
17 | // * * |
---|
18 | // * This code implementation is the result of the scientific and * |
---|
19 | // * technical work of the GEANT4 collaboration. * |
---|
20 | // * By using, copying, modifying or distributing the software (or * |
---|
21 | // * any work based on the software) you agree to acknowledge its * |
---|
22 | // * use in resulting scientific publications, and indicate your * |
---|
23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
24 | // ******************************************************************** |
---|
25 | // |
---|
26 | // |
---|
27 | // $Id: SoTubs.h,v 1.3 2006/06/29 21:22:10 gunter Exp $ |
---|
28 | // GEANT4 tag $Name: HEAD $ |
---|
29 | // |
---|
30 | /*-----------------------------Hepvis----------------------------------------*/ |
---|
31 | /* */ |
---|
32 | /* Node: SoTubs */ |
---|
33 | /* Description: Represents the G4Tubs Geant Geometry entity */ |
---|
34 | /* Author: Joe Boudreau Nov 11 1996 */ |
---|
35 | /* */ |
---|
36 | /*---------------------------------------------------------------------------*/ |
---|
37 | #ifndef HEPVis_SoTubs_h |
---|
38 | #define HEPVis_SoTubs_h |
---|
39 | |
---|
40 | #include <Inventor/fields/SoSFFloat.h> |
---|
41 | #include <Inventor/fields/SoSFNode.h> |
---|
42 | #include <Inventor/fields/SoSFBool.h> |
---|
43 | #include <Inventor/nodes/SoShape.h> |
---|
44 | |
---|
45 | class SoSFNode; |
---|
46 | |
---|
47 | //! SoTubs - Inventor version of the G4Tubs Geant Geometry entity |
---|
48 | /*! |
---|
49 | * Node: SoTubs |
---|
50 | * |
---|
51 | * Description: The Inventor version of the G4Tubs Geant Geometry entity |
---|
52 | * |
---|
53 | * Author: Joe Boudreau Nov 11 1996 |
---|
54 | * |
---|
55 | * class G4Tubs |
---|
56 | * |
---|
57 | * A tube or tube segment with curved sides parallel to |
---|
58 | * the z-axis. The tube has a specified half-length along |
---|
59 | * the z axis, about which it is centred, and a given |
---|
60 | * minimum and maximum radius. A minimum radius of 0 |
---|
61 | * signifies a filled tube /cylinder. The tube segment is |
---|
62 | * specified by starting and delta |
---|
63 | * angles for phi, with 0 being the +x axis, PI/2 |
---|
64 | * the +y axis. A delta angle of 2PI signifies a |
---|
65 | * complete, unsegmented tube/cylinder |
---|
66 | * |
---|
67 | * Always use Inventor Fields. This allows Inventor to detect a change to |
---|
68 | * the data field and take the appropriate action; e.g., redraw the scene. |
---|
69 | */ |
---|
70 | |
---|
71 | #define SoTubs Geant4_SoTubs |
---|
72 | |
---|
73 | class SoTubs:public SoShape { |
---|
74 | |
---|
75 | // The following is required: |
---|
76 | SO_NODE_HEADER(SoTubs); |
---|
77 | |
---|
78 | public: |
---|
79 | |
---|
80 | // |
---|
81 | //! Inside radius of the tube |
---|
82 | // |
---|
83 | SoSFFloat pRMin; |
---|
84 | // |
---|
85 | //! Outside radius of the tube |
---|
86 | // |
---|
87 | SoSFFloat pRMax; |
---|
88 | // |
---|
89 | //! Half-length in Z |
---|
90 | // |
---|
91 | SoSFFloat pDz; |
---|
92 | // |
---|
93 | //! Starting angle, in radians |
---|
94 | // |
---|
95 | SoSFFloat pSPhi; |
---|
96 | // |
---|
97 | //! Delta-angle, in radians |
---|
98 | // |
---|
99 | SoSFFloat pDPhi; |
---|
100 | // |
---|
101 | //! Alternate rep - required |
---|
102 | // |
---|
103 | SoSFNode alternateRep; |
---|
104 | |
---|
105 | // |
---|
106 | //! Constructor, required |
---|
107 | // |
---|
108 | SoTubs(); |
---|
109 | |
---|
110 | // |
---|
111 | //! Class Initializer, required |
---|
112 | // |
---|
113 | static void initClass(); |
---|
114 | |
---|
115 | // |
---|
116 | //! Generate AlternateRep, required. Generating an alternate representation |
---|
117 | //! must be done upon users request. It allows an Inventor program to read |
---|
118 | //! back the file without requiring *this* code to be dynamically linked. |
---|
119 | //! If the users expects that *this* code will be dynamically linked, he |
---|
120 | //! need not invoke this method. |
---|
121 | // |
---|
122 | virtual void generateAlternateRep(); |
---|
123 | |
---|
124 | // |
---|
125 | //! We better be able to clear it, too! |
---|
126 | // |
---|
127 | virtual void clearAlternateRep(); |
---|
128 | |
---|
129 | protected: |
---|
130 | |
---|
131 | // |
---|
132 | //! compute bounding Box, required |
---|
133 | // |
---|
134 | virtual void computeBBox(SoAction *action, SbBox3f &box, SbVec3f ¢er ); |
---|
135 | |
---|
136 | // |
---|
137 | //! Generate Primitives, required |
---|
138 | // |
---|
139 | virtual void generatePrimitives(SoAction *action); |
---|
140 | |
---|
141 | // |
---|
142 | //! GetChildList, required whenever the class has hidden children |
---|
143 | // |
---|
144 | virtual SoChildList *getChildren() const; |
---|
145 | |
---|
146 | |
---|
147 | protected: |
---|
148 | // |
---|
149 | //! Destructor, required |
---|
150 | // |
---|
151 | virtual ~SoTubs(); |
---|
152 | |
---|
153 | private: |
---|
154 | |
---|
155 | // |
---|
156 | //! Generate Children. Used to create the hidden children. Required whenever |
---|
157 | //! the node has hidden children. |
---|
158 | // |
---|
159 | void generateChildren(); |
---|
160 | |
---|
161 | // |
---|
162 | //! Used to modify hidden children when a data field is changed. Required |
---|
163 | //! whenever the class has hidden children. |
---|
164 | // |
---|
165 | void updateChildren(); |
---|
166 | |
---|
167 | // |
---|
168 | //! ChildList. Required whenever the class has hidden children. |
---|
169 | // |
---|
170 | SoChildList *children; |
---|
171 | |
---|
172 | // |
---|
173 | //! help with trigonometry. increments sines an cosines by an angle. |
---|
174 | // |
---|
175 | void inc(double & sinPhi, double & cosPhi, double sinDeltaPhi, double cosDeltaPhi) const { |
---|
176 | double oldSin=sinPhi,oldCos=cosPhi; |
---|
177 | sinPhi = oldSin*cosDeltaPhi+oldCos*sinDeltaPhi; |
---|
178 | cosPhi = oldCos*cosDeltaPhi-oldSin*sinDeltaPhi; |
---|
179 | } |
---|
180 | |
---|
181 | }; |
---|
182 | |
---|
183 | #endif |
---|