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"Kenneth" <kdw### [at] gmail com> wrote:
> The strands utility definitely looks interesting.
Oops, I found it in the newsgroups, in binaries.utilities (September 2010)
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On 10-5-2016 1:20, Kenneth wrote:
> "Kenneth" <kdw### [at] gmailcom> wrote:
>> The strands utility definitely looks interesting.
>
> Oops, I found it in the newsgroups, in binaries.utilities (September 2010)
>
>
>
I could not have been more precise. I picked them up at the moment when
Sam made them available and did not really note down a location, except
for the date.
According to my info, rockhead1.pov dates back to 2007. I think there
was an image, so p.b.i. should be a first guess.
There are still a lot of utilities from Sam that I have not really tried
out. I pick things up when they come by and then put them on the shelf.
--
Thomas
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On 05/10/2016 02:54 AM, Thomas de Groot wrote:
> On 10-5-2016 1:20, Kenneth wrote:
>> "Kenneth" <kdw### [at] gmailcom> wrote:
>>> The strands utility definitely looks interesting.
>>
>> Oops, I found it in the newsgroups, in binaries.utilities (September
>> 2010)
>>
>>
>>
> I could not have been more precise. I picked them up at the moment when
> Sam made them available and did not really note down a location, except
> for the date.
>
> According to my info, rockhead1.pov dates back to 2007. I think there
> was an image, so p.b.i. should be a first guess.
>
> There are still a lot of utilities from Sam that I have not really tried
> out. I pick things up when they come by and then put them on the shelf.
>
If anyone - Sam? - has a pointer to the original theory or perhaps
source code for the strands technique I would appreciate it. I've done
some searches with the word strands, but come up empty and I don't quite
see what is being done.
I picked up the exe too, but it would not run under wine for me & it is
an effect I would like to try.
On the image, Thomas, are the floating shapes at the edges from an
underlying isosurface then? The general look I like.
Bill P.
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On 10-5-2016 13:37, William F Pokorny wrote:
> On 05/10/2016 02:54 AM, Thomas de Groot wrote:
>> On 10-5-2016 1:20, Kenneth wrote:
>>> "Kenneth" <kdw### [at] gmailcom> wrote:
>>>> The strands utility definitely looks interesting.
>>>
>>> Oops, I found it in the newsgroups, in binaries.utilities (September
>>> 2010)
>>>
>>>
>>>
>> I could not have been more precise. I picked them up at the moment when
>> Sam made them available and did not really note down a location, except
>> for the date.
>>
>> According to my info, rockhead1.pov dates back to 2007. I think there
>> was an image, so p.b.i. should be a first guess.
>>
>> There are still a lot of utilities from Sam that I have not really tried
>> out. I pick things up when they come by and then put them on the shelf.
>>
>
> If anyone - Sam? - has a pointer to the original theory or perhaps
> source code for the strands technique I would appreciate it. I've done
> some searches with the word strands, but come up empty and I don't quite
> see what is being done.
>
> I picked up the exe too, but it would not run under wine for me & it is
> an effect I would like to try.
>
> On the image, Thomas, are the floating shapes at the edges from an
> underlying isosurface then? The general look I like.
>
> Bill P.
Yes the general shapes are isosurfaces. This is the (Sam-based) code for
the head:
#declare rock=
function{
pigment {
//spherical //or:
boxed
pigment_map {
[0.0 rgb 0]
[0.5 pigment_pattern {
image_map {
//png"rockman.png" gamma 1.0 interpolate 2
//png"TdG_rock_01.png" gamma 1.0 interpolate 2
png"t_degroot01.png" gamma 1.0 interpolate 2
//png"Sam Benge Strands/strands_003.png" gamma 1.0
interpolate 2
}
translate-(x+y)/2
scale 2
}
pigment_map {
[0.0 rgb 0]
[0.5 granite
scale <5, 0.5, 5>
poly_wave 0.5
rotate z*12
color_map {
[0 rgb 0.25]
[1 rgb 0.75]
}
]
[1.0 rgb 1]
}
]
[1.0 rgb 1]
}
}
}
and the isosurface used:
isosurface {
function {
0-rock(x,y,z).grey+0.05
}
accuracy 0.001
max_gradient 2
all_intersections
contained_by {box {<-1,-1,-1>,<1,1,1>}}
texture {granite_rock}
}
The strands output image is used in Gimp in combination with the
portrait and additional layers, to get a final image.
--
Thomas
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Thomas de Groot <tho### [at] degrootorg> wrote:
> On 10-5-2016 13:37, William F Pokorny wrote:
> > On 05/10/2016 02:54 AM, Thomas de Groot wrote:
> >> On 10-5-2016 1:20, Kenneth wrote:
> >>> "Kenneth" <kdw### [at] gmailcom> wrote:
> >>>> The strands utility definitely looks interesting.
> >>>
> >>> Oops, I found it in the newsgroups, in binaries.utilities (September
> >>> 2010)
> >>>
> >>>
> >>>
> >> I could not have been more precise. I picked them up at the moment when
> >> Sam made them available and did not really note down a location, except
> >> for the date.
> >>
> >> According to my info, rockhead1.pov dates back to 2007. I think there
> >> was an image, so p.b.i. should be a first guess.
> >>
> >> There are still a lot of utilities from Sam that I have not really tried
> >> out. I pick things up when they come by and then put them on the shelf.
> >>
> >
> > If anyone - Sam? - has a pointer to the original theory or perhaps
> > source code for the strands technique I would appreciate it. I've done
> > some searches with the word strands, but come up empty and I don't quite
> > see what is being done.
> >
> > I picked up the exe too, but it would not run under wine for me & it is
> > an effect I would like to try.
> >
> > On the image, Thomas, are the floating shapes at the edges from an
> > underlying isosurface then? The general look I like.
> >
> > Bill P.
>
> Yes the general shapes are isosurfaces. This is the (Sam-based) code for
> the head:
>
> #declare rock=
> function{
> pigment {
> //spherical //or:
> boxed
> pigment_map {
> [0.0 rgb 0]
> [0.5 pigment_pattern {
> image_map {
> //png"rockman.png" gamma 1.0 interpolate 2
> //png"TdG_rock_01.png" gamma 1.0 interpolate 2
> png"t_degroot01.png" gamma 1.0 interpolate 2
> //png"Sam Benge Strands/strands_003.png" gamma 1.0
> interpolate 2
> }
> translate-(x+y)/2
> scale 2
> }
> pigment_map {
> [0.0 rgb 0]
> [0.5 granite
> scale <5, 0.5, 5>
> poly_wave 0.5
> rotate z*12
> color_map {
> [0 rgb 0.25]
> [1 rgb 0.75]
> }
> ]
> [1.0 rgb 1]
> }
> ]
> [1.0 rgb 1]
> }
> }
> }
>
> and the isosurface used:
>
> isosurface {
> function {
> 0-rock(x,y,z).grey+0.05
> }
> accuracy 0.001
> max_gradient 2
> all_intersections
> contained_by {box {<-1,-1,-1>,<1,1,1>}}
> texture {granite_rock}
> }
>
> The strands output image is used in Gimp in combination with the
> portrait and additional layers, to get a final image.
>
> --
> Thomas
Thank you Thomas! More lovely toys to play with. And I love the images. Lots of
food for thought.
I really must dive through the binaries. Clearly there is a lot I have missed.
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On 13-5-2016 11:43, Simon J. Cambridge wrote:
> Thomas de Groot <tho### [at] degrootorg> wrote:
>> On 10-5-2016 13:37, William F Pokorny wrote:
>>> On 05/10/2016 02:54 AM, Thomas de Groot wrote:
>>>> On 10-5-2016 1:20, Kenneth wrote:
>>>>> "Kenneth" <kdw### [at] gmailcom> wrote:
>>>>>> The strands utility definitely looks interesting.
>>>>>
>>>>> Oops, I found it in the newsgroups, in binaries.utilities (September
>>>>> 2010)
>>>>>
>>>>>
>>>>>
>>>> I could not have been more precise. I picked them up at the moment when
>>>> Sam made them available and did not really note down a location, except
>>>> for the date.
>>>>
>>>> According to my info, rockhead1.pov dates back to 2007. I think there
>>>> was an image, so p.b.i. should be a first guess.
>>>>
>>>> There are still a lot of utilities from Sam that I have not really tried
>>>> out. I pick things up when they come by and then put them on the shelf.
>>>>
>>>
>>> If anyone - Sam? - has a pointer to the original theory or perhaps
>>> source code for the strands technique I would appreciate it. I've done
>>> some searches with the word strands, but come up empty and I don't quite
>>> see what is being done.
>>>
>>> I picked up the exe too, but it would not run under wine for me & it is
>>> an effect I would like to try.
>>>
>>> On the image, Thomas, are the floating shapes at the edges from an
>>> underlying isosurface then? The general look I like.
>>>
>>> Bill P.
>>
>> Yes the general shapes are isosurfaces. This is the (Sam-based) code for
>> the head:
>>
>> #declare rock=
>> function{
>> pigment {
>> //spherical //or:
>> boxed
>> pigment_map {
>> [0.0 rgb 0]
>> [0.5 pigment_pattern {
>> image_map {
>> //png"rockman.png" gamma 1.0 interpolate 2
>> //png"TdG_rock_01.png" gamma 1.0 interpolate 2
>> png"t_degroot01.png" gamma 1.0 interpolate 2
>> //png"Sam Benge Strands/strands_003.png" gamma 1.0
>> interpolate 2
>> }
>> translate-(x+y)/2
>> scale 2
>> }
>> pigment_map {
>> [0.0 rgb 0]
>> [0.5 granite
>> scale <5, 0.5, 5>
>> poly_wave 0.5
>> rotate z*12
>> color_map {
>> [0 rgb 0.25]
>> [1 rgb 0.75]
>> }
>> ]
>> [1.0 rgb 1]
>> }
>> ]
>> [1.0 rgb 1]
>> }
>> }
>> }
>>
>> and the isosurface used:
>>
>> isosurface {
>> function {
>> 0-rock(x,y,z).grey+0.05
>> }
>> accuracy 0.001
>> max_gradient 2
>> all_intersections
>> contained_by {box {<-1,-1,-1>,<1,1,1>}}
>> texture {granite_rock}
>> }
>>
>> The strands output image is used in Gimp in combination with the
>> portrait and additional layers, to get a final image.
>>
>> --
>> Thomas
>
> Thank you Thomas! More lovely toys to play with. And I love the images. Lots of
> food for thought.
>
> I really must dive through the binaries. Clearly there is a lot I have missed.
No thanks. All praise goes to Sam Benge for these tools. And yes, like
we all, there is a lot we miss one way or another.
--
Thomas
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Thomas de Groot <tho### [at] degrootorg> wrote:
> ...which brings me to A Portrait of the Artist as an Eroded Gentleman.
>
> --
> Thomas
you look rock solid :)
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On 13-5-2016 18:35, nemesis wrote:
> Thomas de Groot <tho### [at] degrootorg> wrote:
>> ...which brings me to A Portrait of the Artist as an Eroded Gentleman.
>>
>> --
>> Thomas
>
> you look rock solid :)
>
Don't let appearances mislead you ;-)
--
Thomas
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I need a bit of help. I made a depth_map of a Poser head (see attached)
and thought that using it in the Rockhead code would be straightforward.
It is, except that the face remains flat with hardly a hint of features.
I believe there is nothing wrong with the depth_map itself, so how can I
improve on this? Here is the basic code used:
//==start code==============================
#declare granite_rock=
texture{
pigment{
pigment_pattern{
bumps scale .15
}
pigment_map{
[-.2 rgb 1]
[.5
crackle solid scale .0125/4
color_map{
[0 rgb 1]
[.5 rgb <1,.875,.75>-.5]
[1 rgb 0]
}
]
}
}
normal{crackle 1 solid scale .0125/4}
finish{brilliance .5 diffuse .785}
}
#declare rock=
function{
pigment {
spherical //or:
//boxed
pigment_map {
[0.0 rgb 0]
[0.5 pigment_pattern {
image_map {
png"Mapping_test.png" gamma 1.0 interpolate 2
}
translate-(x+y)/2
scale 2
}
pigment_map {
[0.0 rgb 0]
[0.5 granite
scale <5, 0.5, 5>
poly_wave 0.5
rotate z*12
color_map {
[0 rgb 0.25]
[1 rgb 0.75]
}
]
[1.0 rgb 1]
}
]
[1.0 rgb 1]
}
}
}
isosurface {
function {
0-rock(x,y,z).grey+0.05
}
accuracy 0.001
max_gradient 2
all_intersections
contained_by {box {<-1,-1,-1>,<1,1,1>}}
texture {granite_rock}
}
//==end code================================
Thanks!
--
Thomas
Post a reply to this message
Attachments:
Download 'mapping_test.png' (48 KB)
Preview of image 'mapping_test.png'
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Le 16/05/2016 09:32, Thomas de Groot a écrit :
> I need a bit of help. I made a depth_map of a Poser head (see attached) and thought
that using it in the Rockhead code would be straightforward. It is, except that the
face remains flat with hardly a hint of features. I believe there is nothing wrong
with the depth_map
> itself, so how can I improve on this? Here is the basic code used:
> ================================
>
> Thanks!
>
If it can help... look at attached scene
then compare with your scene. (and please next time, give me camera & light sources
too)
Post a reply to this message
Attachments:
Download 'dep.png' (273 KB)
Download 'dep.pov.txt' (2 KB)
Preview of image 'dep.png'
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