Vintage top and speaker cabinet.

It still looks brand new and I have not tried
yet to create a more "aged" texture (as it
should be after having been used for many
 years on many stages). So for the moment
I have simply applied a groooovy 70ies
texture  to the back wall.
Maybe it looks a little like the showroom
of  a musical equipment store in the early
70ies.

The only problem was that grille in front
of the four speakers where you can look
through the holes in the meshes. And it's
that grille that keeps rendering speed very
slow.

Any suggestions what to do with the amp?
-Ive

P.S.: Any musicians out there? Considering
this is the new amp standing about 1970 in
a music store - there are 3 things wrong with
the model. Found them?

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Attachments:
Download 'Marshall Top+Speaker.jpg' (83 KB)

Preview of image 'Marshall Top+Speaker.jpg'

very nice, how'd you end up doing the cloth weave over the speaker? 
geometry or some cheating?  If it's a texture cheat it's remarkably
good!

-p
-- 
Modeling slave:
"Ballet pour ma fille."
http://www.applesnake.net

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"dearmad" <dea### [at] applesnakenet> schrieb im Newsbeitrag
news:3D5548FB.AC0F1D72@applesnake.net...
> very nice, how'd you end up doing the cloth weave over the speaker?
> geometry or some cheating?  If it's a texture cheat it's remarkably
> good!

f_mesh1 in an isosurface?

Just a guess ....

Marc-Hendrik

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On Sat, 10 Aug 2002 15:40:28 +0200, Ive wrote:
> Vintage top and speaker cabinet.
> 

I love the leather texture, and the wallpaper and floor tiles are perfect
in the way that they show the tastlessness of that particular age that we
have grown to love. 

Nice work. 

-- 
%HAV-A-NICEDAY                    email mailto:ste### [at] zeroppsuklinuxnet
Steve                                web http://www.zeropps.uklinux.net/
                                             or http://start.at/zero-pps
 10:54pm  up 44 days,  9:16,  1 user,  load average: 1.12, 1.37, 1.46

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> I love the leather texture, and the wallpaper and floor tiles are perfect
> in the way that they show the tastlessness of that particular age that we
> have grown to love.
>
yep, I did smile all the time while typing the smashing colors for the
wall pigments into the editor. (I was inspired by Austin Powers!)

> Nice work.
>
thanxt.

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"dearmad" <dea### [at] applesnakenet> wrote in message
news:3D5548FB.AC0F1D72@applesnake.net...
> very nice, how'd you end up doing the cloth weave over the speaker?
> geometry or some cheating?  If it's a texture cheat it's remarkably
> good!
>

Well, I'm not sure what you mean with texture "cheat". There ARE 4 speakers
behind the grille and they are visible only through the meshes. But I did
not
create the cloth weave by using 200.000 torus differences. (Indeed I have
tried
 this first but it was VERY slow and required so much memory.)
Soon I'll post a short tutorial to povray.text.tutorials to explain it.

so long
-Ive

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"Marc-Hendrik Bremer" <Mar### [at] t-onlinede> wrote in message
news:3d555956@news.povray.org...
>
> "dearmad" <dea### [at] applesnakenet> schrieb im Newsbeitrag
> news:3D5548FB.AC0F1D72@applesnake.net...
> > very nice, how'd you end up doing the cloth weave over the speaker?
> > geometry or some cheating?  If it's a texture cheat it's remarkably
> > good!
>
> f_mesh1 in an isosurface?
>
> Just a guess ....
>
> Marc-Hendrik
>
>

Nope.
(Indeed I still know nothing about isosurfaces
and have to learn about them first :-)

so long
-Ive

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"Ive" <ive### [at] lilysoftcom> schrieb im Newsbeitrag
news:3d559848$1@news.povray.org...
>
> > f_mesh1 in an isosurface?
> >
> > Just a guess ....
> >
> > Marc-Hendrik
> >
> >
>
> Nope.
> (Indeed I still know nothing about isosurfaces
> and have to learn about them first :-)
>
> so long
> -Ive


Try it - it's very simple!

Some mesh is created this way:

   #include "functions.inc"
   isosurface {
      function { f_mesh1(x,y,z,0.05,0.02,1,0.01,1) )
      }
      contained_by { box {-1,1 }  // container shape (way to big in the
y-direction - too lazy to type more)
      threshold 0.02
      pigment {rgb 0.5}
    }

You'll have to adjust those 5 parameters, as I copied them out of one of my
scenes (definitely no speaker grid). And you would have code that fold
somehow (should be not to hard by substituting the y and z parameters by
some math.

Not that I'm saying isosurfaces are the answer to everything - your grid
looks very good the way it is. But there are many people who seem to fear
isosurfaces as something complicated.

Regards,

Marc-Hendrik

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"Ive" <ive### [at] lilysoftcom> wrote in message
news:3d5596a6@news.povray.org...
[]
> Well, I'm not sure what you mean with texture "cheat". There ARE 4
speakers
> behind the grille and they are visible only through the meshes. But
I did
> not
> create the cloth weave by using 200.000 torus differences. (Indeed I
have
> tried
>  this first but it was VERY slow and required so much memory.)
> Soon I'll post a short tutorial to povray.text.tutorials to explain
it.

I like the leather effect and the way you have moved the piping around
the joints. I would be very happy if that was my pic. I can't find
what you think is wrong though.

Height fields are not so bad. They are faster than isosurfaces for me
and don't give you headaches with the maths ;-)

My pic was meant to be used as a base for a glass ornament but I
didn't like the way it appeared through the glass. I think it needed
around 10MB mem but render time was only around 5 mins.

Alf

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Attachments:
Download 'mat.jpg' (50 KB)

Preview of image 'mat.jpg'

"Marc-Hendrik Bremer" <Mar### [at] t-onlinede> wrote in message
news:3d563657@news.povray.org...
>
>
> Try it - it's very simple!
>
> Some mesh is created this way:
>
>    #include "functions.inc"
>    isosurface {
>       function { f_mesh1(x,y,z,0.05,0.02,1,0.01,1) )
>       }
>       contained_by { box {-1,1 }  // container shape (way to big in the
> y-direction - too lazy to type more)
>       threshold 0.02
>       pigment {rgb 0.5}
>     }
>
> You'll have to adjust those 5 parameters, as I copied them out of one of
my
> scenes (definitely no speaker grid). And you would have code that fold
> somehow (should be not to hard by substituting the y and z parameters by
> some math.
>
> Not that I'm saying isosurfaces are the answer to everything - your grid
> looks very good the way it is. But there are many people who seem to fear
> isosurfaces as something complicated.
>
> Regards,
>
> Marc-Hendrik
>
>

Thanks a lot for this short tutorial. This gave me the final kick to start
playing with isosurfaces.

so long
-Ive

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"Alf Peake" <alf### [at] peake42freeservecouk> wrote in message
news:3d564d42@news.povray.org...
> I like the leather effect and the way you have moved the piping around
> the joints. I would be very happy if that was my pic. I can't find
> what you think is wrong though.
>
> Height fields are not so bad. They are faster than isosurfaces for me
> and don't give you headaches with the maths ;-)
>
> My pic was meant to be used as a base for a glass ornament but I
> didn't like the way it appeared through the glass. I think it needed
> around 10MB mem but render time was only around 5 mins.
>
> Alf
>

Hey, this woven carpet looks great.
Is the heightfield for one pattern and then repeated?
I do think so 'cause it is as perfect as my marshall
grille and that is a little bit too perfect. I still would
like to disturbe the weave a little bit.

so long
-Ive

Post a reply to this message

"Ive" <ive### [at] lilysoftcom> wrote in message
news:3d577c20@news.povray.org...
[]
> Hey, this woven carpet looks great.

Thanks

> Is the heightfield for one pattern and then repeated?

Yes, that tile used 8*8 strands. If you want to play here is a 2*2
strand, 100*100 pixel tile.

> I do think so 'cause it is as perfect as my marshall
> grille and that is a little bit too perfect. I still would
> like to disturbe the weave a little bit.

Yes, I agree, perfection is not always good :) but... I have two old
heavy speaker cabinets, 20*40" / 0.5*1m, and the weave IS still
perfect.

Alf

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Attachments:
Download 'MatTile.png' (9 KB)

Preview of image 'MatTile.png'

"Ive" <ive### [at] lilysoftcom> wrote in message news:3d5517f5@news.povray.org...

> P.S.: Any musicians out there? Considering
> this is the new amp standing about 1970 in
> a music store - there are 3 things wrong with
> the model. Found them?

I can only see two things wrong -
    1. No guitar
    2. Master volume not set to 11 (it's one louder...)

so what is wrong? I checked some photos and they seem spot on

jim

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> P.S.: Any musicians out there? Considering
> this is the new amp standing about 1970 in
> a music store - there are 3 things wrong with
> the model. Found them?
>

Just in case anybody is still  interested:

1. The Marshall logo in the late 60ies and
early 70ies did have a different shape and
was gold painted on the front. But it was
made from such a kind of material that it
easily did break. So almost any amp from
this time has either no logo at all or the logo
was replaced with the newer one. And so
did the guy from whom I bought the amp
about 12 years ago.

2. The original cloth weave in front of the
speakers did look different. I have destroyd
the original one during a concert (by accident,
I swear) and have replaced it. The image
shows the new one.

3. Because I was stupid or maybe only tired
I did fail in calculate 12 inch to cm. (One
POV-unit in the image equals one cm). So the
speaker cabinet as shown in the image is the
only one in the world with four 10'  instead
of  12' speakers. I did realize this after the
6h render was finished.

keep on rockin'
-Ive

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> I can only see two things wrong -
>     1. No guitar
>     2. Master volume not set to 11 (it's one louder...)
>
> so what is wrong? I checked some photos and they seem spot on
>
> jim
>

Well. Yes. You are right. Especially with the master volume.
This two points can also be seen as errors in the image.
So I have done 5 mistakes in one single image. Unbelievable.

so long
-Ive

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