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General => Image Sharing => Topic started by: ajcgi on January 14, 2013, 05:34:59 AM

Title: Re: Overhanging cliff, yet more progress
Post by: ajcgi on January 14, 2013, 05:34:59 AM

[edit] Latest version at bottom of page [/edit]

Hey all,

A couple of weekends ago I was toying with a cliff face, getting it to overhang. This I can do, have done before, but this time... I want it to curl over a bit, like a wave crashing. That is the plan. I want the cliff on the right here to appear to be a giant crashing wave of rock, frozen in time, perhaps by a passing mage or something!

Anyway, what's the best way to approach this? Ordinarily I'd use painted weights but this just seems way too fiddly.

Trees, clouds etc, are all placeholders for something appropriate.
Title: Re: Overhanging cliff... assistance requested
Post by: Dune on January 14, 2013, 09:22:23 AM
You could use a soft simple shape to define the area that needs to hang over, and use the tilt and shear shader or redirect shader, perhaps with a soft minimum height.... maybe blended (put it as child on a surface shader) or driven by a power fractal. Hope this helps.
Title: Re: Overhanging cliff... assistance requested
Post by: ajcgi on January 14, 2013, 09:32:09 AM
Ah yes I think I can see that being a suitable approach. I'll give that a go at some point. Cheers!
Title: Re: Overhanging cliff!
Post by: ajcgi on March 14, 2013, 06:34:48 AM
After a long hiatus and a few epiphanies whilst Terralive was going on, I figured this out!
Perhaps I could do with some rearrangement of elements here as ultimately the eye is drawn to the horizon, plus a big rock or two in the foreground, more rocks along the right hand side.
The foreground landscape is displaced with a mixture of fractals and the water shader with no transparency or reflection, plus a painted map shader to push the midground down.

The overhanging wave of rock... that is a simple shape, displaced upwards, sheared sideways, then pushed downwards with a gradient. I was unnecessarily excited when it finally worked.  ;D

[attachimg=1]
Title: Re: Overhanging cliff, progress made!
Post by: Oshyan on March 14, 2013, 03:02:54 PM
That actually looks really cool! Nicely done.

- Oshyan
Title: Re: Overhanging cliff, progress made!
Post by: TheBadger on March 14, 2013, 03:38:10 PM
2nd image has real potential. Looks good now too, but if you keep at it I bet it will look really great.

I would ease up on the foreground most part of the cliff overhang. It cool, but just a tad to much. Afree with the things you said your self with the 2nd image.

Looks like this would make a great matte for a vid!
Title: Re: Overhanging cliff, progress made!
Post by: ratfugel on March 15, 2013, 05:13:28 AM
You've really got something there.  Looks like it comes from some sort of apocolypse film!  Keep working at it and I'm sure it will develop into a stunner!.

rat.
Title: Re: Overhanging cliff, progress made!
Post by: ajcgi on March 15, 2013, 11:16:49 AM
Thanks for all the kind words. ;)
I had an idea today which I think will work for this. It actually kinda runs along the other-worldly apocalypse theme...
I reckon if I make the mentioned changes I can give this shot purpose with the addition of a large all-terrain vehicle trailing down the right hand side parallel to the cliff, dust spewing out the back. The scale of this scene is actually quite large so it needs something like that to give it awe, plus it could fit well with the current camera POV. I'm thinking 'large' as in the size of those trucks in the film Moon. About that size, so the width of 3 roads or something.

Alex

[edit] By 3 roads, I mean 3 lanes!
Title: Re: Overhanging cliff, progress made!
Post by: jamfull on March 15, 2013, 04:03:50 PM
This looks really cool. Great progress. I see this being used for breaking waves as well.

James
Title: Re: Overhanging cliff, progress made!
Post by: pclavett on March 15, 2013, 10:49:06 PM
Agree with the above .....extremely cool effect !!!
Paul
Title: Re: Overhanging cliff, progress made!
Post by: ajcgi on March 20, 2013, 08:25:30 AM
Further progress!
Reckon I'll drop the camera down a bit, move the truck left a little, and raise the lowest point of the cliff edge so it's not so close to the truck. I did raise it a little, but it's pretty much unnoticeable so I'll push it up further.
The dust, the glows, and the mist in the foreground & on the cliff are photoshop trickery, at least for now.
I'll come back to this with fresh eyes in a day or so.



Title: Re: Overhanging cliff, progress made!
Post by: Mahnmut on March 21, 2013, 01:47:06 PM
Nice detail, great structure.
Compared to my first impression, the car scalesit down by afactor of 2-3.
Greetings,
J
Title: Re: Overhanging cliff, progress made!
Post by: ajcgi on March 30, 2013, 08:53:00 AM
Well after much tweaking, my PC graphics card blowing and me finishing up on the laptop... I have another update!
Think I need to vary the colour of the heather populations further, plus break them up. It's that that is killing the scale at the moment Mahnmut. If you check out the truck now you'll see ladders and walkways. This thing is huuuuuge.



Title: Re: Overhanging cliff, yet more progress
Post by: ajcgi on April 03, 2013, 03:53:07 PM
Right!
After showing this to all and sundry I decided to alter the composition of this a little so that the truck appears to be further below us with the foreground heather helping with the scale. I've made the heather a bit larger on average but still within the boundaries of realism.
May have to play around with positioning of things but getting there I reckon.

Title: Re: Re: Overhanging cliff, yet more progress
Post by: Oshyan on April 03, 2013, 04:48:00 PM
That's definitely an improvement, it helps to better establish the scale. This scene is coming together nicely.

- Oshyan
Title: Re: Overhanging cliff, yet more progress
Post by: Jo Kariboo on April 10, 2013, 11:26:43 PM
Nice amelioration !  :)
Title: Re: Overhanging cliff, yet more progress
Post by: ajcgi on April 11, 2013, 07:00:13 AM
Thank you! And nice word. I had to look that one up. ;) Nearly done with this. I've changed the vegetation a bit but I think it's still too uniform so I may take another look at it later on.
Title: Re: Overhanging cliff, yet more progress
Post by: ajcgi on April 12, 2013, 09:10:51 AM
Right! I think I'm calling this done now!