Thanks Oliver, I'll have a look. K.
On 1 June 2012 08:19, Oliver Neumann <[email protected]> wrote: > Hi Kim, > > I attached the two files to this posting. The usage is simple, just > use osgDB::readImageFile("FILEPATH") to get the a mask image that will > then be applied to modulate the heights in the computeSea function. The > mask is white where no change is needed and black where the ocean should > not be visible. > > Currently it has some drawbacks: > -The average height and the height of the lesser LOD's treats the masking > height (e.g. -100.0f) like the valid heights > -It is not easy to produce a specific height distribution aside from a > plain surface thats bounded by a definable shore. A river that flows down > some rapids or multiple waterfalls are hard to get correctly. It would be > better if the mask is supplied with specific (relative) ground heights so > that e.g. 0 means no change and a mask value of e.g. 10 means the surface > should on average be 10 units elevated > -LOD 0 (1 Quad) currently cannot benefit from the masking, maybe by using > a shader/texture that has alpha values set like the mask, this effect can > still be conveyed at LOD0 > > Cheers, > Oliver > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=47991#47991 > > > > > Attachments: > http://forum.openscenegraph.org//files/fftoceansurface_864.cpp > http://forum.openscenegraph.org//files/1719_1338534512._126. > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > -- osgOcean - http://code.google.com/p/osgocean/
_______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
