no it's equirectangular (as Darko said)
On Thu, Oct 8, 2009 at 1:50 PM, richardolsson <[email protected]> wrote: > > 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
