Author Topic: Richard Fraser Cliff Challenge WIP  (Read 4898 times)

Offline cyphyr

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Richard Fraser Cliff Challenge WIP
« on: January 12, 2018, 08:12:15 PM »
I'll be posting my work in progress for the Cliff Challenge here over the next couple of months.
Before I decide on a specific scene I want to explore cliffs quite a lot more.
There are of course many different kinds of cliff (sandstone, granite, eroded, ice to name just a few) and different techniques will be appropriate to each. I also want to explore various camera angles and aspect ratios since these can both greatly emphasise or detract from the power and impact of an image. I would also like the image to tell some kind of a story so I will be exploring these ideas as well when they come up.
It will probably be quite random to start off with trying out various ideas and going off at tangents along the way.

So here are my initial attempts and experiments. I think one of the most effective is CliffPlane-02 although it has a somewhat "cartoony" look to it. All of the displacements are based on Smooth Voroni 3D Cell shader noise and CliffFace-07 also has some square noise courtesy of Hetzen and mhaze (See here).

The WhiteCliffs-01 is an obvious choice but other than dropping a Spitfire into it I don't really see where to go with this one.

Feedback very welcome although there is probably not much to say at the moment.
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Offline Danny

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Re: Richard Fraser Cliff Challenge WIP
« Reply #1 on: January 12, 2018, 09:09:57 PM »
01 has my attention for certain ! Great start on all of them that's for certain
« Last Edit: January 12, 2018, 09:27:23 PM by Danny »

Offline Dune

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Re: Richard Fraser Cliff Challenge WIP
« Reply #2 on: January 13, 2018, 06:21:03 AM »
Mix between 02 and 07 I'd say. It's paramount to get the 'repetition' out and make the rock natural and logical, but you got really far already. Worthy adversary, that's for sure  ;)
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Offline Hannes

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Re: Richard Fraser Cliff Challenge WIP
« Reply #3 on: January 13, 2018, 09:37:36 AM »
I'd say a mix between 01 and 07. Great and interesting stuff.

Offline cyphyr

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Re: Richard Fraser Cliff Challenge WIP
« Reply #4 on: January 14, 2018, 01:09:21 PM »
Further updates.
I have been experimenting with using Vector displacement.
Creating VDM (vector Displacement Maps) looks to be beyond my scope for the time being but there is still a lot that can be done within Terragen itself.
I used  a bright green Simple shape shader with a bevelled fall off to displace in the y axis and a turquoise copy of the same shader displacing in the z direction to turn the 45 degree bevelled edge into a vertical cliff face.

I'm still basing the fine detail on the square noise (see above) although it has been heavily modified to provide more irregularity. I think I need to break up the cliff face so there are large sheer faces with minimal displacement (very hard to climb) and other much more broken areas with lots of detailed displacement.

No texturing at all as as yet.
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Offline luvsmuzik

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Re: Richard Fraser Cliff Challenge WIP
« Reply #5 on: January 14, 2018, 01:22:20 PM »
Quite the challenge all! Good progress!

Offline Danny

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Re: Richard Fraser Cliff Challenge WIP
« Reply #6 on: January 14, 2018, 02:16:22 PM »
These are looking pretty good Richard

Offline Dune

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Re: Richard Fraser Cliff Challenge WIP
« Reply #7 on: January 14, 2018, 02:18:08 PM »
Thanks for sharing your workflow, Richard. Looks really good.
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Offline cyphyr

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Re: Richard Fraser Cliff Challenge WIP
« Reply #8 on: January 14, 2018, 03:13:19 PM »
Thanks for sharing your workflow, Richard. Looks really good.
Thanks :)
For me it's an essential part of the challenge, for others less so but "vive la difference" as they say.

A larger version, VectorCliffFace-12. I'm not happy about the rounded shapes to the right and on the far left there is a very obvious repeating pattern.
There are also many torn/stretched areas which look kind of weird, almost melted. They are not everywhere so I'll have to figure what part of the displacement is causing them.

I'm not concerned about the large gap at the bottom for the moment

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Offline j meyer

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Re: Richard Fraser Cliff Challenge WIP
« Reply #9 on: January 14, 2018, 03:45:51 PM »
 8) Very promising.

Offline inkydigit

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Re: Richard Fraser Cliff Challenge WIP
« Reply #10 on: January 15, 2018, 09:43:26 AM »
 8)
Very cool stuff Richard...
These all look awesome,
Especially the vector displacement
I hear strains of Dame Vera, no? ;)

Offline cyphyr

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Re: Richard Fraser Cliff Challenge WIP
« Reply #11 on: January 15, 2018, 10:27:04 AM »
I think I managed to get rid of the rounded aspects although I suspect this will be dependant on the PF's used to do the large scale displacements and re-directs.

...
I hear strains of Dame Vera, no? ;)

I may go in that direction just for the "Blighty" of it but I don't want that to be my final submission. Could be fun though :)
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Offline Artice-3d

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Re: Richard Fraser Cliff Challenge WIP
« Reply #12 on: January 15, 2018, 12:43:45 PM »
Mmm... It's really, really good.. Best picture and technique in this challenge so far  :o 8) ;) ;D
------------------------------

But in the race to get good sharp angles you've got too many artifacts, not only at the bottom, but at sides of cliff too.. The rest is well done, shapes is very promising  ::) ;) ;) Guys you're so talented and amazing  ;) :-X
« Last Edit: January 15, 2018, 12:50:14 PM by Artice-3d »

Offline cyphyr

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Re: Richard Fraser Cliff Challenge WIP
« Reply #13 on: January 15, 2018, 01:34:07 PM »
Thankyou :)

...
But in the race to get good sharp angles you've got too many artifacts, not only at the bottom, but at sides of cliff too.. The rest is well done, shapes is very promising  ::) ;) ;) Guys you're so talented and amazing  ;) :-X

Yes I agree.
And it will probably get worse before it gets better. Once the cliffs are put in a scene with more landscape, rolling hills etc they will no longer be an isolated entity. The displacements of the rest of the scene will have an impact on the cliffs too (unless I can isolate them).
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Offline Kadri

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Re: Richard Fraser Cliff Challenge WIP
« Reply #14 on: January 15, 2018, 03:12:07 PM »

Nice rocks. Looks very promising.