I am using 3.2.1. The mouse values , e.g. ea.getX are correct, but getXMax are wrong. Xmax, Ymax is always 1 , whereas getX returns e.g. 600. Am 06.05.2014 14:33 schrieb "Wouter Roos" <[email protected]>:
> Hi Martin, > > I simply use > > Code: > osgUtil::LineSegmentIntersector::Intersections > intersections; > view->computeIntersections( ea.getX(), ea.getY(),intersections)); > > > > which is giving me correct results on Android and Windows, with using the > EventQueue of the window(s) on Android. I was iirc getting the correct > mouse ranges in Android, what version of osg are you using? I've tested > with 3.3.1 > > > Martin Siggel wrote: > > Hi wouter, > > I tried your code, but standard picking didn't work because the mouse > input ranges of the event are wrong. How did you do the picking? > > Cheers, > > Martin Am 06.05.2014 08:55 schrieb "Wouter Roos" < ()>: > > > Thanks for that solution, that does make sense. I will be using my > method of setting the EventQueue of the window as that requires no changes > to my picker and I can keep my code base between desktop and Android the > same apart for the viewer code. > > > > > > I suggest that for the examples we add the > > > > > > Code: > > > viewer->getEventQueue()->setMouseInputRange(x, y, x + width, y + > height); > > > > > > line to make the examples usable again. > > > > > > > > > Martin Siggel wrote: > > > > > > > We also had that problem with the picker. We fixed that, by > reimplementing the picking like this: > > > > > > > > > > > > // map pixel coordinates to [-1,1] (OpenGL Screen Coordinates) > > > > float xwindow = x/screenWidth * 2. - 1; > > > > float ywindow = -y/screenHeight * 2. + 1; > > > > osg::Camera* cam = viewer->getCamera(); > > > > osg::Matrixd m; > > > > > > > > m.preMult(cam->getProjectionMatrix()); > > > > m.preMult(cam->getViewMatrix()); > > > > // define intersection ray > > > > osg::Vec3d startPoint (xwindow, ywindow, -1000); > > > > osg::Vec3d endPoint(xwindow, ywindow, 1000); > > > > osg::Matrixd i; > > > > > > > > i.invert(m); > > > > osg::Vec3d wStart = startPoint * i; > > > > osg::Vec3d wEnd = endPoint * i; > > > > osg::ref_ptr<osgUtil::LineSegmentIntersector> picker > = new osgUtil::LineSegmentIntersector(wStart, wEnd); > > > > > > > > > > > > > > > > 2014-05-05 13:43 GMT+02:00 Wouter Roos < ()>: > > > > > > > > > > > > > > > > > > Martin Siggel wrote: > > > > > > > > > > > > > > > > You can also workaround this (instead of using the eventqueue) > by telling OSG about the input range of your mouse after setting up your > viewer: > > > > > > > > > > > > viewer->getEventQueue()->setMouseInputRange(x, y, x + width, y + > height); > > > > > > > > > > > > > > > > > > > > > > > > Cheers, > > > > > > Martin > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Thanks for that method, that looks much better, and works for the > android examples just as well. > > > > > However it does not work when I use a picker, it still returns no > intersections whereas using the Window's EventQueue does give me the > correct results. Any ideas on why this might be? > > > > > > > > > > ------------------ > > > > > Read this topic online here: > > > > > > > > > > http://forum.openscenegraph.org/viewtopic.php?p=59259#59259 ( > http://forum.openscenegraph.org/viewtopic.php?p=59259#59259) ( > http://forum.openscenegraph.org/viewtopic.php?p=59259#59259 ( > http://forum.openscenegraph.org/viewtopic.php?p=59259#59259)) > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > > osg-users mailing list > > > > > () > > > > > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org( > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org) > (http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org( > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > )) > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > ------------------ > > > > Post generated by Mail2Forum > > > > > > > [/code] > > > > > > ------------------ > > > Read this topic online here: > > > http://forum.openscenegraph.org/viewtopic.php?p=59270#59270 ( > http://forum.openscenegraph.org/viewtopic.php?p=59270#59270) > > > > > > > > > > > > > > > > > > _______________________________________________ > > > osg-users mailing list > > > () > > > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org( > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org) > > > > > > > > > ------------------ > > Post generated by Mail2Forum > [/code] > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=59283#59283 > > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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