Thank you for your answers. I'm not talking about environment mapping (seen from inside a sphere) but simply about how a bitmap material is applied to a sphere in away3d. Should the image be a uv map (how to get the map) or a deformed rectangular picture (what kind of deformation) ?
thomas On 8 oct, 02:43, Li <[email protected]> wrote: > I'm no 3D designer, but I think you're talking about a deformation on an > image that is compensated when that image is mapped on to a sphere. I think > the pre-deformation is called 180 or 360 panoramic, like > this:http://upload.wikimedia.org/wikipedia/commons/6/6f/Berlin_Hauptbahnho... > but inverted. I'm sure there is software out there that can prepare an image > so that when it is applied to a sphere, the deformation makes it look > natural again. I'm sure there are specific terms for what I'm referring to. On 8 oct, 10:45, Darko Radiceski <[email protected]> wrote: > Hi there > > I belive you would be reffering to the equirectangular projection. > > There are multiple applications that can create such images. I have been > playing with PTGui which does the image stitching and does it pretty good > too. > > Hope this is helpful > > Cheers > > On Thu, Oct 8, 2009 at 11:43 AM, Li <[email protected]> wrote: > > I'm no 3D designer, but I think you're talking about a deformation on an > > image that is compensated when that image is mapped on to a sphere. I think > > the pre-deformation is called 180 or 360 panoramic, like this: > > >http://upload.wikimedia.org/wikipedia/commons/6/6f/Berlin_Hauptbahnho... > > but inverted. I'm sure there is software out there that can prepare an > > image so that when it is applied to a sphere, the deformation makes it look > > natural again. I'm sure there are specific terms for what I'm referring to. > > -- > Radiceski Darko > University of Wollongong > Australia > SIFE - UOW Chapter - Alumni > CASUAL ACADEMIC STAFF TEACHING - UOW SITACS > (School of Information Technology and Computer Science,University of > Wollongong) > Univeristy of Wollongong - Alumni
