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Here's my latest render.
The AT-AT walker was converted from an LDraw model,
Snow was generated using Gilles Tran's MakeSnow macro.
I think I need to add another layer of snow using smaller particles and 
using a slightly darker colour to make the snow look more realistic. Does 
anyone have tips for using this macro?
Thanks in advance
Reuben
 
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Attachments: 
Download '8129_with_snow_02.png' (580 KB)
 
  
Preview of image '8129_with_snow_02.png'
   
   
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On 8/22/2015 8:21 AM, Reuben Pearse wrote:
> Here's my latest render.
>
> The AT-AT walker was converted from an LDraw model,
>
> Snow was generated using Gilles Tran's MakeSnow macro.
>
> I think I need to add another layer of snow using smaller particles and
> using a slightly darker colour to make the snow look more realistic. Does
> anyone have tips for using this macro?
>
> Thanks in advance
>
> Reuben
>
>
That is very good Reuben.
Did you mean to send it to me as well?
Yes, something needs to be done with the snow but what, I don't know.
I suppose a lot depends on the scale. If it is a full scale Walker the 
snow should smoother. If it is Lego sized maybe another layer to fill in 
the hollows.
Did you think of adding footprints by placing non-visible and no_shadow 
discs above the lower layers. Then removing them for a top layer to fill 
in? (Just a thought)
-- 
Regards
     Stephen
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Stephen <mca### [at] aol com> wrote
> Did you mean to send it to me as well?
>
A bit of an oops.
I should take more water with it. ;-)
 
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On 22-8-2015 9:21, Reuben Pearse wrote:
> Here's my latest render.
>
> The AT-AT walker was converted from an LDraw model,
>
> Snow was generated using Gilles Tran's MakeSnow macro.
>
> I think I need to add another layer of snow using smaller particles and
> using a slightly darker colour to make the snow look more realistic. Does
> anyone have tips for using this macro?
>
Very good indeed.
I don't know about the macro as I have not used (yet). As far as the 
snow layer is concerned, I think a smoother, undulating surface would be 
better. It looks too much like cotton to my eyes.
-- 
Thomas
 
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Hi Reuben,
I would use a normal for the snow like in a material from Sean Day (snowman
http://www.irtc.org/ftp/pub/stills/2006-02-28/snowman.jpg )
#declare snowTex =
texture {
        pigment {rgb <1,1,1>}
        finish {
                ambient 0
                diffuse 0.9
                brilliance 1.75
                specular 1.5
                roughness 0.0001
                reflection 0.025
        }
        normal {
                average
                normal_map {
                        [1      granite 0.5
                                scale 0.002
                                turbulence 1
                                omega 0.4
                                lambda 1.2
                        ]
                        [1      wrinkles 0.75
                                scale 0.15
                        ]
                }
        }
}
#declare T1 =
material {
        texture {snowTex}
        interior {ior 1.31}
}
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Am 22.08.2015 um 09:21 schrieb Reuben Pearse:
> Here's my latest render.
> 
> The AT-AT walker was converted from an LDraw model,
> 
> Snow was generated using Gilles Tran's MakeSnow macro.
> 
> I think I need to add another layer of snow using smaller particles and 
> using a slightly darker colour to make the snow look more realistic. Does 
> anyone have tips for using this macro?
Have you tried subsurface scattering for the snow?
It'll take some patience, but I'm sure it's worth it.
The snow should have a more blueish tint (when using subsurface
scattering, set the translucency of blues and, to some degree, greens,
higer than that of reds).
 
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"Reuben Pearse" <reu### [at] pearse co uk> wrote:
> Here's my latest render.
>
> The AT-AT walker was converted from an LDraw model,
>
> Snow was generated using Gilles Tran's MakeSnow macro.
>
> I think I need to add another layer of snow using smaller particles and
> using a slightly darker colour to make the snow look more realistic. Does
> anyone have tips for using this macro?
>
> Thanks in advance
>
> Reuben
I love the model for the AT-AT, but I think the ground and the sky need some
improvement. Do you plan to complete the landscape with some rocks/other
vehicles/hills/... ?
 
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You probably know about Warren Elsmore. But I just saw this article.
http://www.bbc.co.uk/news/uk-england-nottinghamshire-34543758
Could this be your next project?
http://warrenelsmore.com/st-pancras-station/
-- 
Regards
     Stephen
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