[529] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // |
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[951] | 27 | // $Id: G4OpenGLXmRotationCallbacks.cc,v 1.16 2008/07/28 15:36:45 lgarnier Exp $ |
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| 28 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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[529] | 29 | // |
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| 30 | // |
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| 31 | // Andrew Walkden 16th April 1997 |
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| 32 | // G4OpenGLXmRotationCallbacks : |
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| 33 | // Several callback functions used by |
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| 34 | // elements of the control panel to |
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| 35 | // rotate the view. |
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| 36 | |
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| 37 | #ifdef G4VIS_BUILD_OPENGLXM_DRIVER |
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| 38 | |
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| 39 | #include "G4OpenGLXmViewer.hh" |
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| 40 | |
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| 41 | #include "G4Scene.hh" |
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| 42 | #include "G4UImanager.hh" |
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| 43 | #include "G4ios.hh" |
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| 44 | |
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| 45 | void G4OpenGLXmViewer::theta_rotation_callback (Widget w, |
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| 46 | XtPointer clientData, |
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| 47 | XtPointer callData) |
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| 48 | { |
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| 49 | XmArrowButtonCallbackStruct *cbs = (XmArrowButtonCallbackStruct*) callData; |
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| 50 | G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData; |
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| 51 | |
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| 52 | pView->rotate_right = get_boolean_userData (w); |
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| 53 | |
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| 54 | if (cbs->reason == XmCR_ARM) { |
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| 55 | rotate_in_theta (pView, NULL); |
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| 56 | } else if (cbs->reason == XmCR_DISARM) { |
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| 57 | XtRemoveTimeOut (pView->rotation_timer); |
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| 58 | } |
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| 59 | } |
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| 60 | |
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| 61 | void G4OpenGLXmViewer::rotate_in_theta (XtPointer clientData, |
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| 62 | XtIntervalId* timer_id) |
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| 63 | { |
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| 64 | //theta spin stuff here |
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| 65 | G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData; |
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[798] | 66 | |
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[847] | 67 | if (pView->rotate_right) { |
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| 68 | pView->rotateScene((G4double)pView->rot_sens,0,1); |
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| 69 | } else { |
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| 70 | pView->rotateScene(-(G4double)pView->rot_sens,0,1); |
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| 71 | } |
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[798] | 72 | /* |
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[529] | 73 | G4double delta_theta; |
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| 74 | |
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| 75 | if (pView->fVP.GetLightsMoveWithCamera()) { |
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| 76 | if (pView->rotate_right) { |
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| 77 | delta_theta = -((G4double)pView->rot_sens); |
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| 78 | } else { |
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| 79 | delta_theta = (G4double)pView->rot_sens; |
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| 80 | } |
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| 81 | } else { |
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| 82 | if (pView->rotate_right) { |
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| 83 | delta_theta = (G4double)pView->rot_sens; |
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| 84 | } else { |
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| 85 | delta_theta = -((G4double)pView->rot_sens); |
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| 86 | } |
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| 87 | } |
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| 88 | delta_theta *= deg; |
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| 89 | // Rotates by fixed azimuthal angle delta_theta. |
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| 90 | |
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| 91 | const G4Vector3D& vp = pView->fVP.GetViewpointDirection ().unit (); |
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| 92 | const G4Vector3D& up = pView->fVP.GetUpVector ().unit (); |
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| 93 | const G4Vector3D& zprime = up; |
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| 94 | G4double cosalpha = up.dot (vp); |
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| 95 | G4double sinalpha = std::sqrt (1. - std::pow (cosalpha, 2)); |
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| 96 | G4Vector3D yprime = (zprime.cross (vp)).unit (); |
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| 97 | G4Vector3D xprime = yprime.cross (zprime); |
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| 98 | // Projection of vp on plane perpendicular to up... |
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| 99 | G4Vector3D a1 = sinalpha * xprime; |
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| 100 | // Required new projection... |
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| 101 | G4Vector3D a2 = |
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| 102 | sinalpha * (std::cos (delta_theta) * xprime + std::sin (delta_theta) * yprime); |
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| 103 | // Required Increment vector... |
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| 104 | G4Vector3D delta = a2 - a1; |
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| 105 | // So new viewpoint is... |
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| 106 | G4Vector3D viewPoint = vp + delta; |
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| 107 | |
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| 108 | pView->fVP.SetViewAndLights (viewPoint); |
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[798] | 109 | */ |
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[529] | 110 | |
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| 111 | pView->SetView (); |
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| 112 | pView->ClearView (); |
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| 113 | pView->DrawView (); |
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| 114 | |
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| 115 | pView->rotation_timer = XtAppAddTimeOut |
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| 116 | (pView->app, |
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| 117 | timer_id == NULL ? 500 : 1, |
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| 118 | rotate_in_theta, |
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| 119 | pView); |
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| 120 | } |
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| 121 | |
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| 122 | void G4OpenGLXmViewer::phi_rotation_callback (Widget w, |
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| 123 | XtPointer clientData, |
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| 124 | XtPointer callData) |
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| 125 | { |
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| 126 | XmArrowButtonCallbackStruct *cbs = (XmArrowButtonCallbackStruct*) callData; |
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| 127 | G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData; |
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| 128 | |
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| 129 | pView->rotate_up = get_boolean_userData (w); |
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| 130 | |
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| 131 | if (cbs->reason == XmCR_ARM) { |
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| 132 | rotate_in_phi (pView, NULL); |
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| 133 | } else if (cbs->reason == XmCR_DISARM) { |
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| 134 | XtRemoveTimeOut (pView->rotation_timer); |
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| 135 | } |
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| 136 | } |
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| 137 | |
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| 138 | void G4OpenGLXmViewer::rotate_in_phi (XtPointer clientData, |
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| 139 | XtIntervalId* timer_id) |
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| 140 | { |
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| 141 | //phi spin stuff here |
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[847] | 142 | // G4double delta_alpha; |
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[529] | 143 | G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData; |
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| 144 | |
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[847] | 145 | if (pView -> rotate_up) { |
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| 146 | pView->rotateScene(0,-(G4double)pView->rot_sens,1); |
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| 147 | } else { |
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| 148 | pView->rotateScene(0,(G4double)pView->rot_sens,1); |
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| 149 | } |
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[798] | 150 | /* |
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[529] | 151 | if (pView->fVP.GetLightsMoveWithCamera()) { |
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| 152 | if (pView -> rotate_up) { |
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| 153 | delta_alpha = -((G4double)pView->rot_sens); |
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| 154 | } else { |
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| 155 | delta_alpha = (G4double)pView->rot_sens; |
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| 156 | } |
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| 157 | } else { |
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| 158 | if (pView -> rotate_up) { |
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| 159 | delta_alpha = (G4double)pView->rot_sens; |
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| 160 | } else { |
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| 161 | delta_alpha = -((G4double)pView->rot_sens); |
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| 162 | } |
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| 163 | } |
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| 164 | |
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| 165 | delta_alpha *= deg; |
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| 166 | |
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| 167 | const G4Vector3D& vp = pView->fVP.GetViewpointDirection ().unit (); |
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| 168 | const G4Vector3D& up = pView->fVP.GetUpVector ().unit (); |
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| 169 | |
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| 170 | const G4Vector3D& xprime = vp; |
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| 171 | G4Vector3D yprime = (up.cross(xprime)).unit(); |
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| 172 | G4Vector3D zprime = (xprime.cross(yprime)).unit(); |
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| 173 | |
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| 174 | G4Vector3D new_vp = std::cos(delta_alpha) * xprime + std::sin(delta_alpha) * zprime; |
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| 175 | |
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| 176 | pView->fVP.SetViewAndLights (new_vp.unit()); |
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| 177 | |
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| 178 | if (pView->fVP.GetLightsMoveWithCamera()) { |
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| 179 | G4Vector3D new_up = (new_vp.cross(yprime)).unit(); |
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| 180 | pView->fVP.SetUpVector(new_up); |
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| 181 | } |
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| 182 | |
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[798] | 183 | */ |
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[529] | 184 | pView->SetView (); |
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| 185 | pView->ClearView (); |
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| 186 | pView->DrawView (); |
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| 187 | |
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| 188 | pView->rotation_timer = XtAppAddTimeOut |
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| 189 | (pView->app, |
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| 190 | timer_id == NULL ? 500 : 1, |
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| 191 | rotate_in_phi, |
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| 192 | pView); |
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| 193 | } |
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| 194 | |
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| 195 | void G4OpenGLXmViewer::set_rot_sens_callback (Widget w, |
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| 196 | XtPointer clientData, |
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| 197 | XtPointer callData) |
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| 198 | { |
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| 199 | XmScaleCallbackStruct *cbs = (XmScaleCallbackStruct*) callData; |
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| 200 | G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData; |
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| 201 | short dp = -1; |
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| 202 | G4float ten_to_the_dp = 10.; |
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| 203 | |
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| 204 | XtVaGetValues (w, |
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| 205 | XmNdecimalPoints, &dp, |
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| 206 | NULL); |
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| 207 | |
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| 208 | if (dp == 0) { |
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| 209 | ten_to_the_dp = 1.; |
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| 210 | } else if ( dp > 0) { |
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| 211 | for (G4int i = 1; i < (G4int)dp; i++) { |
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| 212 | ten_to_the_dp *= 10.; |
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| 213 | } |
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| 214 | } else { |
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| 215 | G4Exception("Bad value returned for dp in set_rot_sens_callback"); |
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| 216 | } |
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| 217 | |
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| 218 | pView->rot_sens = (G4float)(cbs->value) / ten_to_the_dp; |
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| 219 | } |
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| 220 | |
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| 221 | void G4OpenGLXmViewer::set_rot_subject_callback (Widget w, |
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| 222 | XtPointer clientData, |
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| 223 | XtPointer) |
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| 224 | { |
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| 225 | G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*)clientData; |
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| 226 | |
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| 227 | G4int choice = get_int_userData (w); |
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| 228 | |
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| 229 | switch (choice) { |
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| 230 | case 0: |
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| 231 | { |
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| 232 | pView->fVP.SetLightsMoveWithCamera (true); |
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| 233 | break; |
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| 234 | } |
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| 235 | case 1: |
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| 236 | { |
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| 237 | pView->fVP.SetLightsMoveWithCamera (false); |
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| 238 | break; |
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| 239 | } |
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| 240 | default: |
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| 241 | { |
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| 242 | G4Exception("Unrecognised choice made in set_rot_subject_callback"); |
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| 243 | } |
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| 244 | } |
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| 245 | } |
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| 246 | |
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| 247 | void G4OpenGLXmViewer::wobble_callback (Widget w, |
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| 248 | XtPointer, |
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| 249 | XtPointer) |
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| 250 | { |
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| 251 | G4OpenGLXmViewer* pView; |
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| 252 | |
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| 253 | XtVaGetValues (w, |
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| 254 | XmNuserData, &pView, |
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| 255 | NULL); |
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| 256 | |
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| 257 | pView->original_vp = pView->fVP.GetViewpointDirection(); |
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| 258 | pView->wobble_timer = XtAppAddTimeOut |
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| 259 | (pView->app, |
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| 260 | (long unsigned int) (1000. * (1. / pView->wob_sens)), |
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| 261 | wobble_timer_callback, |
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| 262 | pView); |
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| 263 | } |
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| 264 | |
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| 265 | void G4OpenGLXmViewer::wobble_timer_callback (XtPointer clientData, |
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| 266 | XtIntervalId*) |
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| 267 | { |
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| 268 | G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*)clientData; |
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| 269 | const G4Vector3D& up = pView->fVP.GetUpVector(); |
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| 270 | G4Vector3D third_axis = up.cross(pView->original_vp); |
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| 271 | G4double pi_div_by_ten = pi / 10.0; |
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| 272 | G4Vector3D d_up = 0.1 * (std::sin ((G4double)pView->frameNo * pi_div_by_ten * 2.)) * up; |
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| 273 | G4Vector3D d_third_axis = 0.1 * (std::sin ((G4double)pView->frameNo * (pi_div_by_ten))) * third_axis; |
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| 274 | |
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| 275 | pView->fVP.SetViewAndLights (pView->original_vp + d_up + d_third_axis); |
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| 276 | |
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| 277 | pView->SetView (); |
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| 278 | pView->ClearView (); |
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| 279 | pView->DrawView (); |
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| 280 | |
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| 281 | if (pView->frameNo++ == 20) { |
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| 282 | if (pView->wobble_timer) { |
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| 283 | XtRemoveTimeOut (pView->wobble_timer); |
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| 284 | pView->frameNo = 0; |
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| 285 | pView->fVP.SetViewAndLights (pView->original_vp); |
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| 286 | pView->SetView (); |
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| 287 | pView->ClearView (); |
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| 288 | pView->DrawView (); |
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| 289 | } |
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| 290 | } else { |
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| 291 | pView->wobble_timer = XtAppAddTimeOut |
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| 292 | (pView->app, |
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| 293 | (long unsigned int) (1000. * (1. / pView->wob_sens)), |
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| 294 | wobble_timer_callback, |
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| 295 | pView); |
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| 296 | } |
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| 297 | } |
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| 298 | |
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| 299 | void G4OpenGLXmViewer::reset_callback (Widget w, |
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| 300 | XtPointer, |
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| 301 | XtPointer) |
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| 302 | { |
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| 303 | |
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| 304 | G4OpenGLXmViewer* pView; |
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| 305 | |
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| 306 | XtVaGetValues (w, |
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| 307 | XmNuserData, &pView, |
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| 308 | NULL); |
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| 309 | |
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| 310 | pView->fVP.SetCurrentTargetPoint(G4Point3D()); |
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| 311 | pView->fVP.SetZoomFactor(1.0); |
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| 312 | pView->fVP.SetDolly(0.0); |
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| 313 | pView->SetView (); |
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| 314 | pView->ClearView (); |
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| 315 | pView->DrawView (); |
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| 316 | pView->zoom_low = 0.1; |
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| 317 | pView->zoom_high = 10.0; |
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| 318 | |
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| 319 | } |
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| 320 | #endif |
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