and no picture is worth exactly how many words? :) Daniel Salazar www.3developer.com
On Mon, Nov 22, 2010 at 9:33 AM, <ra...@info.upr.edu.cu> wrote: > Hi all :) > > This weekend I need to create a procedural planet for a local work, so I > went straigth to tinkering with built in procedural textures, sadly there > where no simple combination of procedurals that provide me satellite like > view of planet surfaces, in order to achieve that a procedural should > have some desired properties: > > It should have iso - lines that remind same high levels, like coastal > lines or lines like rivers, erosion and features like that. (the closer > built in procedural that currently have similar features in Blender is > stucci at high octaves and turbulence and the magic one, but is not enough > and are quite self similar at every scale) > > It should be fractal like but should not be very similar among scales > because otherwise you get very similar and smooth detail at every scale > (like currently happen with Cloud porcedural) > > It should provide detail enough at all scales in order to avoid > increasing the number of noise octaves beyond wthat's currently blender > have built in, for planet surfaces extremely close shorts should be made > to the surface or build very big spheres, and from far away any > smoothness > will be inmediately spotted. > > The usual approach is to use lots of layers and composited procedurals > in order to achive that, with the corresponding slow down, and trial and > error approach or use some of the excelent directly aviable satellite > pictures of planets (not an option for people offline like me). > > So I end up creating a new procedural: "Planet" texture, that has all the > needed features and more, it provides enough detail at every scale and > more important, is not very similar at different scales so zooming in > will give you an entirely different view with new details and features in > the terrain, it also have iso-lines and features that simulate erosion, > rivers, platforms, and more , all using a single procedural!!! > > It also have a very interesting feature: at small scales it have a curl > like behaviour, and adding more octaves, will add more small curls, > unlike the current Magic texture that only add detail to the existent > loops, this will prove usefull for rocks, and texture driven flow for > particles. > > > As always a picture worth a thousand word, judge yourself, I think this > texture is worth integration ;) Hope you like it. > > I have send my post to Lapinou to be uploaded in my site soon. > > Cheers Farsthary > > _______________________________________________ > Bf-committers mailing list > Bf-committers@blender.org > http://lists.blender.org/mailman/listinfo/bf-committers > _______________________________________________ Bf-committers mailing list Bf-committers@blender.org http://lists.blender.org/mailman/listinfo/bf-committers