This bug is fixed in the trunk of osgEarth, try pulling and retest. Thanks,
Jason On Mon, Apr 23, 2012 at 10:33 AM, Ou Yang <vrcraze2...@gmail.com> wrote: > Hi, > > The bug has been found in ImageOverlay::init() method. > The original code is: > osg::Vec4Array* colors = new osg::Vec4Array(1); > (*colors)[0] = osg::Vec4(1,1,1,_alpha); > > geometry->setColorArray( colors ); > geometry->setColorBinding( osg::Geometry::BIND_OVERALL ); > > when change it to: > osg::Vec4Array* colors = new osg::Vec4Array(4); > (*colors)[0] = osg::Vec4(1,1,1,_alpha); > (*colors)[1] = osg::Vec4(1,1,1,_alpha); > (*colors)[2] = osg::Vec4(1,1,1,_alpha); > (*colors)[3] = osg::Vec4(1,1,1,_alpha); > > geometry->setColorArray( colors ); > geometry->setColorBinding( osg::Geometry::BIND_PER_VERTEX ); > the alpha value are applied correctly. > > I don't know if it a bug in osg core library. > ... > > Thank you! > > Cheers, > Ou > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=47225#47225 > > > > > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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