I'm glad you like the package, martial, and that's a great picture. The Geoforge is circular cos it goes with the Biosphere, about which there'll be more in a minute, and because the annoying frequency of stray corners on the horizon was one of the things I wanted to improve about the Terraformers.  One day the Terraformers might get an update for tiling though. Eventually

The Biosphere is a companion product to the Geoforge. Although it is standalone in it's own right, it is sized so that your Geoforge terrain can drop neatly into it. Scale it up for scenery panoramas - scale it down and you can pop in some fish and stand it on Vicky's desk.

The Biosphere gives you three separate background models:

•  a sphere/skydome, that comes with a glass texture, for use as a tank, five photographic cloud scenes and five artistic cloud scenes.
• A cylindrical tank/wrap-round panorama. This includes a morph to curve in the base, and a parameter dial to change the mapping. In default mode your texture will wrap right round for a panorama, but with a dial twist you can use all you texture on an area at the back, so if you just need to see a section you don't need to waste your memory holding a texture that's mostly unused. With the tank you get a glass texture, sky panorama (for panorama mode) plus six photographic and five artistic backdrops for use in partial mode. For use as a tank you get a handy plinth (which also fits the globe) and matching tank collar, with four texture options.
• A flat background plane, with morphs to curve in the base or apply a gentle curve to the whole plane. The flat plane uses the same maps as the cylindrical tank in the non-panorama mode.

It comes with handy scaling poses, utility poses to hide the front of the tank or globe for ease of working, and MAT poses for P4, PP and P5+.

The Biosphere is compatible with all versions of Poser above 4.01 and DAZ Studio, and is suitable for both Mac and Windows users.

The Biosphere was used in all the Geoforge promotional renders to provide the skies and backdrops; similarly in the following pictures any ground terrain shown is the Geoforge.

 

And the Biosphere's on sale all this month at 33% off!