They should look like this: http://www.oera.net/How2/PlanetTexs/EarthMap_2500x1250.jpg
I can't remember it's name, but it looks like it is this one: http://en.wikipedia.org/wiki/Miller_cylindrical_projection Cheers /R On Oct 8, 11:42 am, webattitude <[email protected]> wrote: > 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
