Simply press S
to toggle stereo display (if supported).
This is a simple stereo application inspired from simpleViewer.
The constructor is called with a QFormat stereo option to enable stereo. Press S
to toggle stereo display.
#include <QGLViewer/qglviewer.h> class Viewer : public QGLViewer { protected : virtual void draw(); virtual void init(); virtual QString helpString() const; };
#include "stereoViewer.h" #include <qapplication.h> #include <math.h> using namespace std; void Viewer::init() { restoreStateFromFile(); // Activate the stereo display. Press 'S' to toggle. setStereoDisplay(true); help(); } QString Viewer::helpString() const { QString text("<h2>S t e r e o V i e w e r</h2>"); text += "You can display in stereo with no change to your application, provided that your hardware supports stereo display.<br><br>"; text += "If you get a <b>Stereo not supported on this display</b> error message, check that "; text += "your machine supports stereo (search for quad-buffer in <i>glxinfo</i> and find stereo glasses !).<br><br>"; text += "You can then toggle the stereo display by pressing <b>S</b> in any application."; return text; } void Viewer::draw() { // Draws a spiral const float nbSteps = 200.0; glBegin(GL_QUAD_STRIP); for (float i=0; i<nbSteps; ++i) { float ratio = i/nbSteps; float angle = 21.0*ratio; float c = cos(angle); float s = sin(angle); float r1 = 1.0 - 0.8*ratio; float r2 = 0.8 - 0.8*ratio; float alt = ratio - 0.5; const float nor = 0.5; const float up = sqrt(1.0-nor*nor); glColor3f(1.0-ratio, 0.2f , ratio); glNormal3f(nor*c, up, nor*s); glVertex3f(r1*c, alt, r1*s); glVertex3f(r2*c, alt+0.05f, r2*s); } glEnd(); return; }
#include "stereoViewer.h" #include <qapplication.h> int main(int argc, char** argv) { QApplication application(argc,argv); // Set the default OpenGL format with stereo capabilities. // An alternative is to pass this parameter to the QGLWidget constructor. QGLFormat format; format.setStereo(true); QGLFormat::setDefaultFormat(format); Viewer viewer; viewer.setWindowTitle("stereoViewer"); viewer.show(); return application.exec(); }
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