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greenhybrid's avatar

A canyon landscape with snow.

This one is based on a sooner submission, slightly modified and stuffed with the shader of the previous submission "An alpine landscape".

Please allow me to paste the rest of the text from the previous deviation:

This one will be part of an example set packed in the next release of picogen-wx (I have it ready to be uploaded on my harddisk, both for windows and gnu/linux, but it'd be better with examples, I thought :))

Pure Render Time: 8 minutes
Preparation time (building quadtree etc.): way tooo long (an hour? dunno remember exactly)

For the curious regarding picogen, please visit my gallery and [link] or the new wikipedia page at [link] .

Thanks for watching!
Image details
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1680x1050px 1.78 MB
© 2008 - 2021 greenhybrid
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Chromattix's avatar
Sounds like this program of yours is coming along nicely, even starting to live up to some Terragen renders 8-)
greenhybrid's avatar
hehe, thank you :)

the main objective is not only to live up terragen, but to "beat" it. I am going to punch terragen 0.x at first, and in some years maybe terragen 2.0 :D

I shall not open my mouth so much :P
kram1032's avatar
overexposure.... what Lyc said :)

Great :D
beason's avatar
Looks great! Lyc is probably right. BUT the height function, coloring, sky and participating media are awesome.

Cheers and happy new year!
greenhybrid's avatar
Thank you beaucoup Mr. Beason!

There is no real participating media, just my small and little cloud hack.

Of course I am going to implement some tone mapper, at least for the sky.

The height function is interesting, but I currently don't fully understand it myself, it looks more like a bug then a controlled function (and I really found it by accident). It basically goes like "perlin (perlin (x,y), perlin (x,y))", with all perlin the same, and the two parameters describing the texture plane [0..1]^2.
lyc's avatar
a little bit of tonemapping would go a loooong way here ;) maybe try that hugo elias exposure function?
greenhybrid's avatar
I used to support the elias tone mapper, but then i didn't like it very much, though maybe now with the gui, i should make it enableable it by the user!
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