I could be mistaken then. I thought that the opposite side of a solid sphere would not reflect inward into the glass. My C4D (R8) has a shader option that allows only a reflection on outward facing surfaces using the direction of the surface normal as an parameter.
On 7/18/09, Andrew Berge <[email protected]> wrote: > Hi, > I was curious about this so I did a Google search for "crystal Balls" > amongst all of the images of actual solid glass spheres many indeed did show > the reflection of the highlight on the opposite side of the sphere as in > your image, and some where it was not so evident.. I believe it depends on > the angle of view and also the environment reflections, background etc, > etc.. > > Check the images on this page: > http://theunicornshoppe.com/store/index.php?main_page=index&cPath=92_31 > > I think the reason it is unusual is that you seldom see a glass sphere lit > by a single point light with plain environment and background etc.. As in > these examples and your render. > > Rgds, > > Andrew Berge > > > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Henry Tjernlund > Sent: Saturday, 18 July 2009 1:06 PM > To: [email protected] > Subject: Special Light and GI test > > I am slowly figuring out RS V5 that was featured in 3D World. I am mostly > doing lighting tests and trying to achieve what I was able to do in my other > favorite program Cinema 4D R8. Here is a sample of one of my experiments. I > think that there is a problem with the glass sphere. The one specular > highlight should be there, but I don't think that the other one should be. > (Unless the sphere is hollow like a soap bubble. Which I don't necessarily > want it to be.) Is there a way to keep a specular highlight from reflecting > off the opposite surface of the sphere? > > -- > -- > Henry Tjernlund > http://www.renderosity.com/mod/gallery/browse.php?username=henrytj > http://www.modelmayhem.com/HenryTjernlund > http://imdb.com/name/nm2519729/ > http://www.myspace.com/henrytj > http://henrytj.deviantart.com/ > > -- -- Henry Tjernlund http://www.renderosity.com/mod/gallery/browse.php?username=henrytj http://www.modelmayhem.com/HenryTjernlund http://imdb.com/name/nm2519729/ http://www.myspace.com/henrytj http://henrytj.deviantart.com/
