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For the past several days, I've been trying to come up with a method for making
nice-looking isosurface brick walls. I was hoping to use them in a halloween
themed scene, but I'm not sure I'll have it presentable in time, now... :(
anyway... The bricks look sorta nice, so I thought I'd share.
Regards,
A.D.B.
Post a reply to this message
Attachments:
Download 'workshop2.png' (511 KB)
Preview of image 'workshop2.png'
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Le 29/10/2012 09:16, Anthony D. Baye a écrit :
> For the past several days, I've been trying to come up with a method for making
> nice-looking isosurface brick walls. I was hoping to use them in a halloween
> themed scene, but I'm not sure I'll have it presentable in time, now... :(
>
> anyway... The bricks look sorta nice, so I thought I'd share.
>
> Regards,
> A.D.B.
>
Very cool. (Really. I can feel the grain of the bricks)
Now a few points:
* where is the mortar ? (for halloween, the mortar was made of icing
sugar... all leached... ;-) )
(more seriously, there is about 10 geometry for the mortar, each with a
purpose or a usage:
http://www.bontool.com/knowledge_center/KC_Mortar_Joints.asp
and do not ask how & why I know that page!)
* too much random variation of colours: colour of bricks came from the
temperature in the oven, nearby bricks in the oven get the same kind of
colour... and nearby bricks in the oven ends up as nearby bricks in the
package... then nearby bricks in the package ends up on the same row or
nearby rows (unless you are a Netherlander, in which case you might have
a white package and a red package to pick from in order to make some
motifs).
* no burning remains on each bricks... too uniform colour of each bricks
Post a reply to this message
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Le_Forgeron <lef### [at] free fr> wrote:
> Le 29/10/2012 09:16, Anthony D. Baye a écrit :
> > For the past several days, I've been trying to come up with a method for making
> > nice-looking isosurface brick walls. I was hoping to use them in a halloween
> > themed scene, but I'm not sure I'll have it presentable in time, now... :(
> >
> > anyway... The bricks look sorta nice, so I thought I'd share.
> >
> > Regards,
> > A.D.B.
> >
>
>
> Very cool. (Really. I can feel the grain of the bricks)
>
> Now a few points:
> * where is the mortar ? (for halloween, the mortar was made of icing
> sugar... all leached... ;-) )
> (more seriously, there is about 10 geometry for the mortar, each with a
> purpose or a usage:
>
> http://www.bontool.com/knowledge_center/KC_Mortar_Joints.asp
>
> and do not ask how & why I know that page!)
>
> * too much random variation of colours: colour of bricks came from the
> temperature in the oven, nearby bricks in the oven get the same kind of
> colour... and nearby bricks in the oven ends up as nearby bricks in the
> package... then nearby bricks in the package ends up on the same row or
> nearby rows (unless you are a Netherlander, in which case you might have
> a white package and a red package to pick from in order to make some
> motifs).
>
> * no burning remains on each bricks... too uniform colour of each bricks
The bricks are a simple f_rounded_box with irregular scaling based on a wrinkles
pattern multiplied by a scaled cells pattern to vary the brick depth.
The coloring is similar to a method by Jeff Lee, which can be found here:
http://www.shipbrook.net/jeff/raytrace/bricks.html
his doesn't have as much variation in the colors as mine does, though. Probably
because he uses a bozo pattern, where I use a cells pattern (I find the cells
pattern easier to scale to the proper dimensions, whereas he uses the default
brick sizes)
What I'd really like to do, however, is model the entire wall as a continuous
isosurface. Ive had -some- success with this using a warped checker pattern as
the base and filling the squares with a scaled boxed pigment, but the problem is
that when I scale the resulting pigment to match the dimensions of the bricks,
the mortar gets squashed vertically and stretched horizontally, and it throws
off the spacing of the pigment overlay... It's something I'll need to work with
a bit more.
Perhaps if I were to use a pair of gradients with a triangle_wave modifier, I
could calculate the falloff of the color maps so that it scales to the proper
dimensions...
anyway, I'm glad that someone likes it.
Regards,
A.D.B.
Post a reply to this message
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On 30-10-2012 5:47, Anthony D. Baye wrote:
> Le_Forgeron <lef### [at] freefr> wrote:
>> [snip]
>> * too much random variation of colours: colour of bricks came from the
>> temperature in the oven, nearby bricks in the oven get the same kind of
>> colour... and nearby bricks in the oven ends up as nearby bricks in the
>> package... then nearby bricks in the package ends up on the same row or
>> nearby rows (unless you are a Netherlander, in which case you might have
>> a white package and a red package to pick from in order to make some
>> motifs).
Fwiw, sometimes a large variation is intentional. My own house has such
a large variation (not as shown here though) and it has a different
visual impact compared to other houses in the neighbourhood.
> The bricks are a simple f_rounded_box with irregular scaling based on a wrinkles
> pattern multiplied by a scaled cells pattern to vary the brick depth.
>
> The coloring is similar to a method by Jeff Lee, which can be found here:
> http://www.shipbrook.net/jeff/raytrace/bricks.html
Ah! I thought it looked familiar ;-) While a bit extreme imo, I always
liked those shades.
> anyway, I'm glad that someone likes it.
Oh, without a doubt.
Thomas
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Le 30/10/2012 09:00, Thomas de Groot a écrit :
>>> (unless you are a Netherlander, in which case you might have
>>> a white package and a red package to pick from in order to make some
>>> motifs).
>
> Fwiw, sometimes a large variation is intentional. My own house has such
> a large variation (not as shown here though) and it has a different
> visual impact compared to other houses in the neighbourhood.
Right. When intentional. But the OP seems just to have used random...
and it was unlikely (so much as too push me into the disbelieve valley),
at least with such dispersion without a bit of control.
And Fwiw, I bet you have been contaminated by the Dutch (no offence
intended). Of course, your own house is an architect's house, so it
cannot be as the other houses! ( ;-) )
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On 30-10-2012 10:02, Le_Forgeron wrote:
> And Fwiw, I bet you have been contaminated by the Dutch (no offence
> intended).
Well, as I /am/ Dutch and living in the Lowlands too... ;-)
> Of course, your own house is an architect's house, so it cannot be as
> the other houses! ( ;-) )
It is a fairly standard design for the region, with variations, amongst
others, of brick use. And there are many possible variations :-)
Thomas
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Le 29/10/12 10:48 AM, Le_Forgeron a écrit :
> Le 29/10/2012 09:16, Anthony D. Baye a écrit :
>> For the past several days, I've been trying to come up with a method for making
>> nice-looking isosurface brick walls. I was hoping to use them in a halloween
>> themed scene, but I'm not sure I'll have it presentable in time, now... :(
>>
>> anyway... The bricks look sorta nice, so I thought I'd share.
>>
>> Regards,
>> A.D.B.
>>
>
>
> Very cool. (Really. I can feel the grain of the bricks)
>
> Now a few points:
> * where is the mortar ? (for halloween, the mortar was made of icing
> sugar... all leached... ;-) )
> (more seriously, there is about 10 geometry for the mortar, each with a
> purpose or a usage:
>
> http://www.bontool.com/knowledge_center/KC_Mortar_Joints.asp
>
> and do not ask how & why I know that page!)
>
> * too much random variation of colours: colour of bricks came from the
> temperature in the oven, nearby bricks in the oven get the same kind of
> colour... and nearby bricks in the oven ends up as nearby bricks in the
> package... then nearby bricks in the package ends up on the same row or
> nearby rows (unless you are a Netherlander, in which case you might have
> a white package and a red package to pick from in order to make some
> motifs).
The colour variations in this image are very similar to those I see
every day in my, and several others, neibourhood. The colour variation
don't come only from the cooking temperature but also from the pigment
used, and how well mixed in it was, and variations in the clay used.
Older houses have much more variation than recent ones reflecting both
hovens having a more uniform temperature and improved mixing equipment.
>
> * no burning remains on each bricks... too uniform colour of each bricks
>
Here again, I need to disagree with you. Most bricks I see every days
are almost identical to those.
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Am 30.10.2012 15:56, schrieb Alain:
>> * too much random variation of colours: colour of bricks came from the
>> temperature in the oven, nearby bricks in the oven get the same kind of
>> colour... and nearby bricks in the oven ends up as nearby bricks in the
>> package... then nearby bricks in the package ends up on the same row or
>> nearby rows (unless you are a Netherlander, in which case you might have
>> a white package and a red package to pick from in order to make some
>> motifs).
>
> The colour variations in this image are very similar to those I see
> every day in my, and several others, neibourhood. The colour variation
> don't come only from the cooking temperature but also from the pigment
> used, and how well mixed in it was, and variations in the clay used.
> Older houses have much more variation than recent ones reflecting both
> hovens having a more uniform temperature and improved mixing equipment.
Mixing of different batches of bricks may also have been common in large
European (especially German) cities after WW2, when people gathered
intact bricks from the ruins. (Those bricks might also have been subject
to fires, which might have introduced additional color variations via
soot and heat.)
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Le 30/10/12 11:14 AM, clipka a écrit :
> Am 30.10.2012 15:56, schrieb Alain:
>
>>> * too much random variation of colours: colour of bricks came from the
>>> temperature in the oven, nearby bricks in the oven get the same kind of
>>> colour... and nearby bricks in the oven ends up as nearby bricks in the
>>> package... then nearby bricks in the package ends up on the same row or
>>> nearby rows (unless you are a Netherlander, in which case you might have
>>> a white package and a red package to pick from in order to make some
>>> motifs).
>>
>> The colour variations in this image are very similar to those I see
>> every day in my, and several others, neibourhood. The colour variation
>> don't come only from the cooking temperature but also from the pigment
>> used, and how well mixed in it was, and variations in the clay used.
>> Older houses have much more variation than recent ones reflecting both
>> hovens having a more uniform temperature and improved mixing equipment.
>
> Mixing of different batches of bricks may also have been common in large
> European (especially German) cities after WW2, when people gathered
> intact bricks from the ruins. (Those bricks might also have been subject
> to fires, which might have introduced additional color variations via
> soot and heat.)
>
We never had that in Montréal... No major war and no massive destruction
in this area in about 200 years :)
But, yes, deliberate mixing is sometimes evident, like that house in
front of mine where dark bricks dominate in the bottom of the wall and
lighter ones in the top with a gradual shift.
Post a reply to this message
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