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This is a new cobbled street! That's why it doesn't look eroded ;)
I'll try to improve the texture of the leaf and stones. Thanks for the
comments!
Fernando
Xplo Eristotle wrote:
> Fernando G. del Cueto wrote:
>
>> This is only a part of my never-really-started project for Povcomp. I
>> managed to find some free time to implement some ideas. I used
>> Photoshop to change tones and fix some little details.
>>
>> Hope you like it. Comments and suggestions are welcomed.
>
>
> Realistically, the cobbles should be worn smoother than this as they've
> had people/horses/wagons/cars/whatever on them for X years (and if
> they're old enough, lots of rain). And as someone else pointed out, some
> of the stones appear to be merging together. Other than that, they look
> great.
>
> That leaf could use some shine.
>
> -Xplo
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From: Fernando G del Cueto
Subject: Re: Leaf and cobbled street - update
Date: 9 Mar 2005 14:12:50
Message: <422f4ab2@news.povray.org>
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This is the version with less post-processing... perhaps the texture of
the leaf looks a bit better...
I'm amazed of how much the image changes between my two monitors. I'm
wondering how does it looks in your monitors...
Fernando
Fernando G. del Cueto wrote:
> This is only a part of my never-really-started project for Povcomp. I
> managed to find some free time to implement some ideas. I used Photoshop
> to change tones and fix some little details.
>
> Hope you like it. Comments and suggestions are welcomed.
>
> Fernando G. del Cueto
>
> ------------------------------------------------------------------------
>
Post a reply to this message
Attachments:
Download 'leaf05c.jpg' (316 KB)
Preview of image 'leaf05c.jpg'
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Fernando G. del Cueto wrote:
> I'm amazed of how much the image changes between my two monitors. I'm
> wondering how does it looks in your monitors...
>
> Fernando
>
Don't worry, it looks *very* nice. Love it ! But the leaf definitely has
a little disturbing something.
Very good work.
Regis.
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Fernando G. del Cueto wrote:
> Thanks Jim.
>
> The problem with the leaf is that I'm using a bicubic patch with an
> image/bump map of the leaf on it, with alpha channel for transparency.
> When I put some positive specular, the whole square patch shows up...
>
> Therefore I think I need to make it look more decayed perhaps...
>
> Fernando
>
>
>
> Jim Charter wrote:
>
>> Fernando G. del Cueto wrote:
>>
>> Very nice. Yes cobble stones tug at me too. These are great. Maybe
>> it's the finish on the leaf that doesn't quite read for me? Perhaps
>> either a little more gloss ormore apparent decay? Go one direction or
>> the other?
No you can do what you want you need to use the image_pattern with a b/w
profile or mask of the leaf as the image source. You make two
textures which duplicate the pigment and bump references but which
differ in finish and transparency.
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With this level of JPEG compression, I'm hard pressed to tell this apart
from a photograph.
Nice one.
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> Don't worry, it looks *very* nice.
If I have one criticism it's that the cobbles appear to have a diagnoal
striation all aligned in the same direction.
I can't tell if it's deliberate or an artefact, but it shouldn't (IMHO) be
there.
Ray
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I believe I'm doing what you're saying... the problem is that I can't
use neither reflection nor specular settings for the finish, as these
act on the whole patch, even those areas that are transparent... I don't
know if there is an easy workaround for this.
Or perhaps there is a way to give values to the specular using an image map?
Fernando
Jim Charter wrote:
> Fernando G. del Cueto wrote:
>
>> Thanks Jim.
>>
>> The problem with the leaf is that I'm using a bicubic patch with an
>> image/bump map of the leaf on it, with alpha channel for transparency.
>> When I put some positive specular, the whole square patch shows up...
>>
>> Therefore I think I need to make it look more decayed perhaps...
>>
>> Fernando
>>
>>
>>
>> Jim Charter wrote:
>>
>>> Fernando G. del Cueto wrote:
>>>
>>> Very nice. Yes cobble stones tug at me too. These are great. Maybe
>>> it's the finish on the leaf that doesn't quite read for me? Perhaps
>>> either a little more gloss ormore apparent decay? Go one direction
>>> or the other?
>
> No you can do what you want you need to use the image_pattern with a b/w
> profile or mask of the leaf as the image source. You make two textures
> which duplicate the pigment and bump references but which differ in
> finish and transparency.
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Ray Bellis wrote:
>>Don't worry, it looks *very* nice.
>
>
> If I have one criticism it's that the cobbles appear to have a diagnoal
> striation all aligned in the same direction.
>
> I can't tell if it's deliberate or an artefact, but it shouldn't (IMHO) be
> there.
>
> Ray
You're a very perceptive person. I actually tried to diminish them with
postprocessing. In the unprocessed image, they are very noticeable. I
have to find the correct setting for the image map for the edges to be
not visible when tiling it.
Fernando.
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Thanks for the compliment! The JPEG compression was set rather high, IIRC...
Fernando
Andrew the Orchid wrote:
> With this level of JPEG compression, I'm hard pressed to tell this apart
> from a photograph.
>
> Nice one.
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Hmmm Actually I could not reproduce your problem
I put runnable sdl and maps in p.b.scene-files
but the relevant sdl looked like this:
#local MyTex =
texture {
pigment {
image_map {
tga "im_oak.tga"
}
}
normal {
bump_map {
tga "bm_oak.tga" bump_size 4
}
}
finish {
diffuse .7
specular .5
roughness .1
reflection 0
}
}
bicubic_patch {
type 1
flatness 0.1
u_steps 3
v_steps 3
<0, 1, 3> <1, 1, 3> <2, 1, 3> <3, 1, 3>
<0, 1, 2> <1, 1, 2> <2, 1, 2> <3, 1, 2>
<0, 1, 1> <1, 1, 1> <2, 1, 1> <3, 1, 1>
<0, 1, 0> <1, 1, 0> <2, 1, 0> <3, 1, 0>
texture {
image_pattern {
tga "ip_oak.tga" use_alpha
}
texture_map {
[0
pigment { rgb 1 transmit 1 }
finish {
diffuse 0
specular 0
reflection 0
ambient 0
}
]
[1
MyTex
]
}
scale 3
rotate x*90
}
Post a reply to this message
Attachments:
Download '001.jpg' (37 KB)
Preview of image '001.jpg'
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