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General => Image Sharing => Topic started by: Kevin F on April 02, 2008, 08:05:19 AM

Title: Rock tests
Post by: Kevin F on April 02, 2008, 08:05:19 AM
Not put much up around here lately - just waiting patiently for you know what!
Thought I'd try playing around with FrankB's Cracks and Gashes for fake stones file. - Thank's Frank.
The first is my favorite and has come out really well IMO. The others show what can be done with this technique depending on what image map is used. The second to last one has lots of render cell boundary lines showing. GI problem I guess?
Still, C&C welcome


Having to put these up individually due to image uploader keeps reporting images too big even though they're all well below 512K!
Title: Re: Rock tests
Post by: Kevin F on April 02, 2008, 08:06:33 AM
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Title: Re: Rock tests
Post by: Kevin F on April 02, 2008, 08:10:24 AM
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Title: Re: Rock tests
Post by: Kevin F on April 02, 2008, 08:10:57 AM
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Title: Re: Rock tests
Post by: Kevin F on April 02, 2008, 08:11:35 AM
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Title: Re: Rock tests
Post by: Saurav on April 02, 2008, 08:27:42 AM
These are great, especially the first one.
Title: Re: Rock tests
Post by: RealUser on April 02, 2008, 08:38:03 AM
Wow, like them all! Good patterns and structures, believable surfaces.
Title: Re: Rock tests
Post by: joshbakr on April 02, 2008, 09:52:18 AM
Nice, but it doesn't seem that the cracks and gashes are showing up as much as your Images Maps? Maybe I'm wrong? Dunno??
Title: Re: Rock tests
Post by: Seth on April 02, 2008, 09:56:41 AM
that's the question i was aking to myself... is that more image map results or cracks and gashes results... ?
Title: Re: Rock tests
Post by: Phylloxera on April 02, 2008, 10:52:42 AM
I like the numbers 1 and 5 !
Good work, I'm impressed, I want the same for Christmas ! (http://smileys.sur-la-toile.com/repository/Respect/bravo-applaudi-147.GIF)
Title: Re: Rock tests
Post by: inkydigit on April 02, 2008, 11:37:15 AM
nice work...very nice!
all are top of my list!!!
:)
Title: Re: Rock tests
Post by: rcallicotte on April 02, 2008, 02:38:08 PM
These are all very good, even the one with the measles.   ;D

TGD.  What do you think?
Title: Re: Rock tests
Post by: Kevin F on April 02, 2008, 07:19:45 PM
Thanks for the comments folks, but most of the hard work was done by Frank B.
I agree that using image maps can appear to add more than the cracks and gashes alone, but it really is a matter of tweaking and colouring to acheive what you want. I don't have a problem using image maps where the result justifies it. However, here's one without an image map and the result is still pretty good. I'll post more later.

@Calico if you want the TGD I'll post it later when I get home (not on this pc), but really it's just FrankB's file with adjustments and appropriate maps.
Title: Re: Rock tests
Post by: rcallicotte on April 02, 2008, 10:53:40 PM
Yeah, but you rock.

:P

Seriously, the lighting you are using and the texturing seems very cool.  If you want to share any knowledge about it, I'm listening.
Title: Re: Rock tests
Post by: Oshyan on April 03, 2008, 03:58:01 PM
I'm always surprised by how much Image Maps can add to a TG image. Nice work.

- Oshyan
Title: Re: Rock tests
Post by: moodflow on April 05, 2008, 12:31:00 AM
Quote from: Oshyan on April 03, 2008, 03:58:01 PM
I'm always surprised by how much Image Maps can add to a TG image. Nice work.

- Oshyan

I agree.

Though I'd prefer function based stuff overall, image maps can really make an image pop.  And they render faster too.
Title: Re: Rock tests
Post by: Phylloxera on April 07, 2008, 11:58:42 AM
Quote from: seth93 on April 02, 2008, 09:56:41 AM
that's the question i was aking to myself... is that more image map results or cracks and gashes results... ?
Je suis d'accord avec toi je pense que c'est l'image qui fait tout !
Title: Re: Rock tests
Post by: Seth on April 07, 2008, 12:22:50 PM
je voulais dire techniquement :)
qu'est-ce qui donne ce superbe aspect ? l'image map ou les displacements proceduraux ?
Title: Re: Rock tests
Post by: Phylloxera on April 07, 2008, 01:17:24 PM
Quote from: seth93 on April 07, 2008, 12:22:50 PM
je voulais dire techniquement :)
qu'est-ce qui donne ce superbe aspect ? l'image map ou les displacements proceduraux ?
Peut-être les deux toujours est-il que les résultats sont vraiment différents selon la map utilisée c'est clair non ?
Title: Re: Rock tests
Post by: FrankB on April 07, 2008, 02:46:53 PM
Outstanding Kevin. My favourites are the first and the last one (with image maps).
I'd be interested how the first one would look without image maps though.
Would you mind uploading the "Kevin tweaked function"?

Thanks,
Frank
Title: Re: Rock tests
Post by: Kevin F on April 08, 2008, 06:19:30 AM
Quote from: FrankB on April 07, 2008, 02:46:53 PM
Outstanding Kevin. My favourites are the first and the last one (with image maps).
I'd be interested how the first one would look without image maps though.
Would you mind uploading the "Kevin tweaked function"?

Thanks,
Frank

O.K. Frank here's the tgd for the "nude" rockface. No Image map just a fairly basic fractal shader as a layer instead.
I've also included the jpg of the result and as you can see there is a big difference, but that's not surprising really when you consider how much is added by any image map. The results do vary a lot though depending on the image used, the one I used just suited that particular shape of structure really well.
I've also included as a separate post another none mapped image, but this one has been post processed by merging two different "nude" images (different fractal shader values) and applying various merge methods. The possibilities are endless, and even though it's not 100% TG the end result is still a nice image IMO). Hope our French chums understand this!
Title: Re: Rock tests
Post by: Kevin F on April 08, 2008, 06:20:38 AM
and a pp version:
Title: Re: Rock tests
Post by: Will on April 08, 2008, 06:57:42 AM
Nice, convincing.
Title: Re: Rock tests
Post by: FrankB on April 08, 2008, 08:46:17 AM
Thanks Kevin!
Title: Re: Rock tests
Post by: Seth on April 08, 2008, 11:04:07 AM
very big difference between the two renders.
personnaly i love image map (even if i don't use them) and i don't understand why so many people don't like them ^^
Title: Re: Rock tests
Post by: Phylloxera on April 08, 2008, 12:17:04 PM
Quote from: seth93 on April 08, 2008, 11:04:07 AM
very big difference between the two renders.
personnaly i love image map (even if i don't use them) and i don't understand why so many people don't like them ^^
J'ai téléchargé le fichier, bonjour le montage, le problème c'est que je n'y comprends rien, mais il est vrai que c'est particulièrement efficace !
Title: Re: Rock tests
Post by: lightning on April 12, 2008, 08:45:06 PM
number 4.........................AMAZING ;D
Title: Re: Rock tests
Post by: Crystek on April 13, 2008, 03:26:20 PM
WOW! Picture #1 looks like a PHOTO!  :o
Title: Re: Rock tests
Post by: choronr on April 13, 2008, 05:01:54 PM
Image #5 is my favorite. This is outstanding realism!
Title: Re: Rock tests
Post by: efflux on April 18, 2008, 05:34:52 AM
Very natural looking. Great work.