Hi Ran, There isn't really any way for us to know what might be wrong as there are just too many details about what you are doing.
Robert. On 7 September 2015 at 02:20, Ran Chao <[email protected]> wrote: > Hi, > > I got a point (x,y) in a Slave camera image, and i want to know it's > position in world coords, so i use computeIntersections(), my code: > > osgUtil::LineSegmentIntersector::Intersections intersections; > if( !view->computeIntersections(camera.get(), > osgUtil::Intersector::WINDOW, x, y, intersections) ) > return false; > > const osgUtil::LineSegmentIntersector::Intersection& hit = > *(intersections.begin()); > > out_intersect_point = hit.getWorldIntersectPoint(); > > But computeIntersections() often return false, what's wrong? > > Thank you! > > Cheers, > Ran > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=65034#65034 > > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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