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Hereby two images showing the progress made on The Shallows. The first
image (The Shallows I_test3) shows the improved textures applied to the
body of the trolley within a simplified scene version. In particular, I
used an almost forgotten macro I wrote back in 2014 to simulate peeling
paint. At the time, this macro inspired William Pokorny to develop his
incredible isosurface version of peeling paint, which I warmly recommend
to your attention:
https://news.povray.org/povray.binaries.scene-files/thread/%3C53f07727%241%40news.povray.org%3E/?ttop=435041&toff=100
Presently however, I just used an expanded version of my own macro.
The image also shows the use of Christoph Hormann's isowood for the
railway ties. https://www.imagico.de/iso_wood_en.php
It was surprisingly easy to implement within Friedrich Lohmueller's
track macros and, other surprise, it just does not increase render time!
I used one single tie which I rotated through four different positions
the alternation of which simulates different ties. I am not entirely
sure about the colour of the wood. That is, after all, the most
complicated part of isowood.
The second image (The Hallows_trolley) shows more particularly the
aspect of the trolley texture at this moment.
--
Thomas
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Attachments:
Download 'the shallows i_test3.jpg' (140 KB)
Download 'the shallows_trolley.jpg' (196 KB)
Preview of image 'the shallows i_test3.jpg'
Preview of image 'the shallows_trolley.jpg'
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A version with scratches on the tracks and the wheels.
--
Thomas
Post a reply to this message
Attachments:
Download 'the shallows i_test3a.jpg' (115 KB)
Preview of image 'the shallows i_test3a.jpg'
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Le 2022-09-25 à 10:48, Thomas de Groot a écrit :
> Hereby two images showing the progress made on The Shallows. The first
> image (The Shallows I_test3) shows the improved textures applied to the
> body of the trolley within a simplified scene version. In particular, I
> used an almost forgotten macro I wrote back in 2014 to simulate peeling
> paint. At the time, this macro inspired William Pokorny to develop his
> incredible isosurface version of peeling paint, which I warmly recommend
> to your attention:
>
https://news.povray.org/povray.binaries.scene-files/thread/%3C53f07727%241%40news.povray.org%3E/?ttop=435041&toff=100
>
>
> Presently however, I just used an expanded version of my own macro.
>
> The image also shows the use of Christoph Hormann's isowood for the
> railway ties. https://www.imagico.de/iso_wood_en.php
> It was surprisingly easy to implement within Friedrich Lohmueller's
> track macros and, other surprise, it just does not increase render time!
> I used one single tie which I rotated through four different positions
> the alternation of which simulates different ties. I am not entirely
> sure about the colour of the wood. That is, after all, the most
> complicated part of isowood.
>
> The second image (The Hallows_trolley) shows more particularly the
> aspect of the trolley texture at this moment.
>
The dormers are usually much darker. After all, those are normally
soaked in creosote for several weeks before use.
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hi,
Thomas de Groot <tho### [at] degroot org> wrote:
> A version with scratches on the tracks and the wheels.
uh, no (:-)). the rails ought to remain "shiny" I think, and wear perhaps show
on part of the wheel shoulders; the "rust" is excellent in parts. and, because
everyone's a critic, I'll point out that sleepers (the ones I know) aren't near
square, more like 2:1 width to height.
regards, jr.
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Op 25/09/2022 om 19:38 schreef jr:
> hi,
>
> Thomas de Groot <tho### [at] degrootorg> wrote:
>> A version with scratches on the tracks and the wheels.
>
> uh, no (:-)). the rails ought to remain "shiny" I think, and wear perhaps show
> on part of the wheel shoulders; the "rust" is excellent in parts. and, because
> everyone's a critic, I'll point out that sleepers (the ones I know) aren't near
> square, more like 2:1 width to height.
>
Well, the interesting thing is that the photograph Bald Eagle referred
to earlier, shows this kind of (micro) normals. I certainly overdid the
effect here ;-) more subbtle effect might be better...
Concerning the sleepers: perspective effect! ;-) They are rectangular in
cross-section.
--
Thomas
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Op 25/09/2022 om 18:04 schreef Alain Martel:
> The dormers are usually much darker. After all, those are normally
> soaked in creosote for several weeks before use.
Agreed. I have difficulty to get the right shade here within the isowood
facility. Up to now, my attempts were not convincing enough. I shall
continue tweaking.
--
Thomas
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Le 2022-09-26 à 02:23, Thomas de Groot a écrit :
> Op 25/09/2022 om 18:04 schreef Alain Martel:
>> The dormers are usually much darker. After all, those are normally
>> soaked in creosote for several weeks before use.
>
> Agreed. I have difficulty to get the right shade here within the isowood
> facility. Up to now, my attempts were not convincing enough. I shall
> continue tweaking.
>
Start with a dark brown base. ALL the sleepers that I ever saw where
dark brown to black.
With isowood, you can use a plain unpatterned pigment.
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hi,
Thomas de Groot <tho### [at] degrootorg> wrote:
> ...
> > square, more like 2:1 width to height.
> Concerning the sleepers: perspective effect! ;-) They are rectangular in
> cross-section.
perspective, huh? :-) (still think they look quite tall)
> Well, the interesting thing is that the photograph Bald Eagle referred
> to earlier, shows this kind of (micro) normals. I certainly overdid the
> effect here ;-) more subbtle effect might be better...
would that be more noticeable where there would be less mechanical wear?
regards, jr.
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Op 26/09/2022 om 19:57 schreef jr:
> hi,
>
> Thomas de Groot <tho### [at] degrootorg> wrote:
>> ...
>>> square, more like 2:1 width to height.
>
>> Concerning the sleepers: perspective effect! ;-) They are rectangular in
>> cross-section.
>
> perspective, huh? :-) (still think they look quite tall)
>
An image telling more than any text... [attached image]
>
>> Well, the interesting thing is that the photograph Bald Eagle referred
>> to earlier, shows this kind of (micro) normals. I certainly overdid the
>> effect here ;-) more subbtle effect might be better...
>
> would that be more noticeable where there would be less mechanical wear?
>
Where would that be? the whole (?) polished part of the track is subject
to mechanical wear...
In any case, this is not so important imo. Hyperrealism is not my goal
(never was). ;-)
--
Thomas
Post a reply to this message
Attachments:
Download 'rt_system_demo1.png' (264 KB)
Preview of image 'rt_system_demo1.png'
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I guess I am about done concerning sleepers, rail tracks, and trolley
textures. Here a view of those changes.
--
Thomas
Post a reply to this message
Attachments:
Download 'the shallows i_test5.jpg' (124 KB)
Preview of image 'the shallows i_test5.jpg'
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Specially for jr ;-)
The sleeper at the origin is Friedrich Lohmueller's original CSG version
as comparison. The others are isowood versions.
--
Thomas
Post a reply to this message
Attachments:
Download 'track_sleeper building.jpg' (59 KB)
Preview of image 'track_sleeper building.jpg'
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hi,
Thomas de Groot <tho### [at] degrootorg> wrote:
> Specially for jr ;-)
</grin>
> The sleeper at the origin is Friedrich Lohmueller's original CSG version
> as comparison. The others are isowood versions.
thank you. fwiw, if the centre one's colour had a smidgen more "creosote"..
> > would that be more noticeable where there would be less mechanical wear?
> Where would that be? the whole (?) polished part of the track is subject
> to mechanical wear...
from the mannequin's POV, along the top-outside-corner of each rail, that is,
I'd expect most wear on the inner "edges" due to the wheel shape.
> I guess I am about done concerning sleepers, rail tracks, and trolley
> textures.
damn. I was about to suggest the cab should be in "British Racing Green" with
gold trim ;-).
regards, jr.
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"jr" <cre### [at] gmailcom> wrote:
> from the mannequin's POV, along the top-outside-corner of each rail, that is,
> I'd expect most wear on the inner "edges" due to the wheel shape.
It's an interesting thing, those train wheels:
https://www.youtube.com/watch?v=y7h4OtFDnYE
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Op 27-9-2022 om 19:24 schreef Bald Eagle:
> "jr" <cre### [at] gmailcom> wrote:
>
>> from the mannequin's POV, along the top-outside-corner of each rail, that is,
>> I'd expect most wear on the inner "edges" due to the wheel shape.
>
> It's an interesting thing, those train wheels:
>
> https://www.youtube.com/watch?v=y7h4OtFDnYE
>
Oooh! LOL! indeed. That was a smart explanation by Richard Feynman.
Thanks for this!
--
Thomas
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Op 27-9-2022 om 19:11 schreef jr:
> hi,
>
> Thomas de Groot <tho### [at] degrootorg> wrote:
>> I guess I am about done concerning sleepers, rail tracks, and trolley
>> textures.
>
> damn. I was about to suggest the cab should be in "British Racing Green" with
> gold trim ;-).
>
You mean like this? :-)
I could not get a can of gold trim as the shops were closed.
--
Thomas
Post a reply to this message
Attachments:
Download 'the shallows_trolley2.jpg' (183 KB)
Preview of image 'the shallows_trolley2.jpg'
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I was not entirely honest when I said earlier that the Apollo Maximus
clothes were not uv-mapped. They are, but do not have dedicated
image_maps attached to them. However, it is possible to use image_maps
within this uv-mapped universe of course. Here is what I came up with today.
--
Thomas
Post a reply to this message
Attachments:
Download 'the shallows_trolley3.jpg' (186 KB)
Preview of image 'the shallows_trolley3.jpg'
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hi,
Thomas de Groot <tho### [at] degrootorg> wrote:
> You mean like this? :-)
merci bien. see inbox.
regards, jr.
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Il 28/09/2022 17:46, Thomas de Groot ha scritto:
A very detailed work, Thomas!
Have you planned to add a bit of ageing also to the yellow / black bands
and the glass?
Paolo
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Op 30-9-2022 om 16:09 schreef Paolo Gibellini:
> Il 28/09/2022 17:46, Thomas de Groot ha scritto:
>
> A very detailed work, Thomas!
> Have you planned to add a bit of ageing also to the yellow / black bands
> and the glass?
>
> Paolo
>
Thank you indeed Paolo!
The yellow/black bands have bit of (oily) smudges added but I would
prefer to keep them whole otherwise for some reason. The glass... hmm.
I didn't consider those I am afraid. Something to think about.
--
Thomas
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Thomas de Groot <tho### [at] degrootorg> wrote:
> I guess I am about done concerning sleepers, rail tracks, and trolley
> textures. Here a view of those changes.
>
> --
> Thomas
Much better ;-)
Sean
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Thomas de Groot <tho### [at] degrootorg> wrote:
> Specially for jr ;-)
>
> The sleeper at the origin is Friedrich Lohmueller's original CSG version
> as comparison. The others are isowood versions.
>
> --
> Thomas
May I ask that which settings are you use?
/color_map/ /...?/ /isowood/
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Op 10-10-2022 om 13:59 schreef And:
> Thomas de Groot <tho### [at] degrootorg> wrote:
>> Specially for jr ;-)
>>
>> The sleeper at the origin is Friedrich Lohmueller's original CSG version
>> as comparison. The others are isowood versions.
>>
>> --
>> Thomas
>
> May I ask that which settings are you use?
> /color_map/ /...?/ /isowood/
>
Sure. You need the isowood macro of course, and then I used the following:
#declare P_RoughOak =
pigment {
P_IW_13
color_map { CM_IW_05 }
scale 1/4
}
#declare Fin_W = //which is basically the default
finish {
ambient 0.00
diffuse 0.7
brilliance 1
//specular 0.2
//roughness 0.001
}
#declare N_IW_14 = //instead of Norm_W (if you prefer)
normal {
wood 0.4
octaves 4
turbulence <0.07, 0.07, 0.4>
lambda 0.80
scale <0.06, 0.06, 0.9>
}
--
Thomas
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Thomas de Groot <tho### [at] degrootorg> wrote:
> Op 10-10-2022 om 13:59 schreef And:
> > Thomas de Groot <tho### [at] degrootorg> wrote:
> >> Specially for jr ;-)
> >>
> >> The sleeper at the origin is Friedrich Lohmueller's original CSG version
> >> as comparison. The others are isowood versions.
> >>
> >> --
> >> Thomas
> >
> > May I ask that which settings are you use?
> > /color_map/ /...?/ /isowood/
> >
>
> Sure. You need the isowood macro of course, and then I used the following:
>
> #declare P_RoughOak =
> pigment {
> P_IW_13
> color_map { CM_IW_05 }
> scale 1/4
> }
>
> #declare Fin_W = //which is basically the default
> finish {
> ambient 0.00
> diffuse 0.7
> brilliance 1
> //specular 0.2
> //roughness 0.001
> }
>
> #declare N_IW_14 = //instead of Norm_W (if you prefer)
> normal {
> wood 0.4
> octaves 4
> turbulence <0.07, 0.07, 0.4>
> lambda 0.80
> scale <0.06, 0.06, 0.9>
> }
>
>
> --
> Thomas
Thank you.
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