• Re: n-poly from a line...

    From sobriquet@21:1/5 to All on Mon Mar 31 15:40:57 2025
    Op 30/03/2025 om 08:24 schreef Chris M. Thomasson:
    Well, according to some AI's, lol, my ability to find an n-poly from a
    single line, its incircle, outcircle and center point is supposedly
    something good. Some of them claim it's not enough info to gain the poly
    from the line and number of vertices alone. Well, my function only takes
    two points (p0, p1) and a number of vertices (n) for the result. Then
    renders all of them. Does this sound like anything worthwhile to you? I
    just did it for a new fractal I am tinkering around with for fun. I did
    not think it was anything all that special. Fwiw, here is a render:

    https://i.ibb.co/Y7G4C80t/image.png

    Notice how the red circles are all tangent along a "path". The green
    circles intersect. The number of polys are decreased as they extend out.
    This starts from a single line and the number of vertices. I am thinking about doing something interesting with it. It might look fairly nice.

    :^)

    Thanks.

    Kind of interesting at all? Or been there, done that. :^)

    Nice! Looks a bit like a polyhedron that has been unfolded.

    Not sure how you scaled it relative to the unit circle.

    https://www.desmos.com/calculator/3izjfv3yma

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  • From sobriquet@21:1/5 to All on Tue Apr 1 00:53:12 2025
    Op 31/03/2025 om 23:05 schreef Chris M. Thomasson:
    On 3/31/2025 6:40 AM, sobriquet wrote:
    Op 30/03/2025 om 08:24 schreef Chris M. Thomasson:
    Well, according to some AI's, lol, my ability to find an n-poly from
    a single line, its incircle, outcircle and center point is supposedly
    something good. Some of them claim it's not enough info to gain the
    poly from the line and number of vertices alone. Well, my function
    only takes two points (p0, p1) and a number of vertices (n) for the
    result. Then renders all of them. Does this sound like anything
    worthwhile to you? I just did it for a new fractal I am tinkering
    around with for fun. I did not think it was anything all that
    special. Fwiw, here is a render:

    https://i.ibb.co/Y7G4C80t/image.png

    Notice how the red circles are all tangent along a "path". The green
    circles intersect. The number of polys are decreased as they extend
    out. This starts from a single line and the number of vertices. I am
    thinking about doing something interesting with it. It might look
    fairly nice.

    :^)

    Thanks.

    Kind of interesting at all? Or been there, done that. :^)

    Nice! Looks a bit like a polyhedron that has been unfolded.

    Not sure how you scaled it relative to the unit circle.

    https://www.desmos.com/calculator/3izjfv3yma

    Thanks. Well, my algorithm starts off with only three relevant inputs:

    p0 = start of line
    p1 = end of line
    n = the n in n-poly

    From that information alone, I create the fractal. So, it's not scaled
    to the unit circle, its basically scaled from that line (p0, p1). So, it
    can grow out of bounds, if we treat the unit circle as a sort of
    "boundary". Now, you read my mind a bit. I have a way to scale the
    fractal as a whole inside of any circle. Just need to port my older code
    to this. Fwiw, these types of things can get pretty dense, using the
    tangent circles instead of n-poly. Actually, its a different generator
    algo using the same intersection avoidance algo:

    https://www.facebook.com/photo? fbid=1377765076715820&set=pcb.1377765353382459

    Can you get to that FB link? Sorry... ;^o

    Yes, looks cool.. Can you also shade those fractals?

    In desmos it's a bit cumbersome, but still kinda cool effect:

    https://www.desmos.com/calculator/kuw9d9ftim

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  • From sobriquet@21:1/5 to All on Tue Apr 1 12:46:21 2025
    Op 01/04/2025 om 06:54 schreef Chris M. Thomasson:
    On 3/31/2025 9:48 PM, Chris M. Thomasson wrote:
    On 3/31/2025 3:53 PM, sobriquet wrote:
    Op 31/03/2025 om 23:05 schreef Chris M. Thomasson:
    On 3/31/2025 6:40 AM, sobriquet wrote:
    Op 30/03/2025 om 08:24 schreef Chris M. Thomasson:
    Well, according to some AI's, lol, my ability to find an n-poly
    from a single line, its incircle, outcircle and center point is
    supposedly something good. Some of them claim it's not enough info >>>>>> to gain the poly from the line and number of vertices alone. Well, >>>>>> my function only takes two points (p0, p1) and a number of
    vertices (n) for the result. Then renders all of them. Does this
    sound like anything worthwhile to you? I just did it for a new
    fractal I am tinkering around with for fun. I did not think it was >>>>>> anything all that special. Fwiw, here is a render:

    https://i.ibb.co/Y7G4C80t/image.png

    Notice how the red circles are all tangent along a "path". The
    green circles intersect. The number of polys are decreased as they >>>>>> extend out. This starts from a single line and the number of
    vertices. I am thinking about doing something interesting with it. >>>>>> It might look fairly nice.

    :^)

    Thanks.

    Kind of interesting at all? Or been there, done that. :^)

    Nice! Looks a bit like a polyhedron that has been unfolded.

    Not sure how you scaled it relative to the unit circle.

    https://www.desmos.com/calculator/3izjfv3yma

    Thanks. Well, my algorithm starts off with only three relevant inputs: >>>>
    p0 = start of line
    p1 = end of line
    n = the n in n-poly

     From that information alone, I create the fractal. So, it's not
    scaled to the unit circle, its basically scaled from that line (p0,
    p1). So, it can grow out of bounds, if we treat the unit circle as a
    sort of "boundary". Now, you read my mind a bit. I have a way to
    scale the fractal as a whole inside of any circle. Just need to port
    my older code to this. Fwiw, these types of things can get pretty
    dense, using the tangent circles instead of n-poly. Actually, its a
    different generator algo using the same intersection avoidance algo:

    https://www.facebook.com/photo?
    fbid=1377765076715820&set=pcb.1377765353382459

    Can you get to that FB link? Sorry... ;^o

    Yes, looks cool.. Can you also shade those fractals?

    In desmos it's a bit cumbersome, but still kinda cool effect:

    https://www.desmos.com/calculator/kuw9d9ftim


    I got it in 3d now. Here is an example:

    https://i.ibb.co/CkHZ98P/ct-p4-Copy.png

    https://www.facebook.com/photo/? fbid=1378008770024784&set=pcb.1378008916691436


    Would be nice if you can zoom and view it from all sides. But I guess
    you can put it on sketchfab for an interactive version.

    https://www.desmos.com/3d/0oepmeegkq

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  • From Richard Hachel@21:1/5 to All on Tue Apr 1 20:50:30 2025
    Le 01/04/2025 à 22:11, "Chris M. Thomasson" a écrit :

    https://i.ibb.co/99rvy3Gg/ct-pov.png

    On dirait une grosse molécule.

    R.H.

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  • From Richard Hachel@21:1/5 to All on Tue Apr 1 20:51:54 2025
    Le 01/04/2025 à 22:11, "Chris M. Thomasson" a écrit :

    https://i.ibb.co/99rvy3Gg/ct-pov.png

    https://i.ibb.co/chbBhqnz/ct-p6.png

    On dirait une grosse molécule.

    R.H.

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  • From Richard Hachel@21:1/5 to All on Tue Apr 1 20:55:12 2025
    Le 01/04/2025 à 22:51, Richard Hachel a écrit :
    Le 01/04/2025 à 22:11, "Chris M. Thomasson" a écrit :

    https://i.ibb.co/99rvy3Gg/ct-pov.png

    https://i.ibb.co/chbBhqnz/ct-p6.png

    On dirait une grosse molécule.

    R.H.

    <http://nemoweb.net/jntp?lKJV9DZdclfTCwoKBuHro5kli5w@jntp/Data.Media:1>

    R.H.

    --
    Ce message a été posté avec Nemo : <https://www.nemoweb.net/?DataID=lKJV9DZdclfTCwoKBuHro5kli5w@jntp>

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  • From Richard Hachel@21:1/5 to All on Tue Apr 1 23:18:03 2025
    Le 01/04/2025 à 23:07, "Chris M. Thomasson" a écrit :
    Indeed. There is a major difference here... My rules do not allow for intersecting spheres.

    What nationality are you, and what are you trying to achieve as a graphic representation?
    How do you go about it, why, and how?

    R.H.

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  • From sobriquet@21:1/5 to All on Wed Apr 2 01:28:45 2025
    Op 01/04/2025 om 22:33 schreef Chris M. Thomasson:
    On 4/1/2025 3:46 AM, sobriquet wrote:
    Op 01/04/2025 om 06:54 schreef Chris M. Thomasson:

    [...]

    Check this out:

    https://i.ibb.co/chbBhqnz/ct-p6.png

    ;^D


    Good.. the blender tutorials on yt on this and closely related fractals
    is still a bit limited..

    https://www.youtube.com/watch?v=eIZ97sP6xAg

    https://www.youtube.com/watch?v=utIgXiywxq4

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  • From sobriquet@21:1/5 to All on Wed Apr 2 01:32:30 2025
    Op 02/04/2025 om 01:18 schreef Richard Hachel:
    Le 01/04/2025 à 23:07, "Chris M. Thomasson" a écrit :
    Indeed. There is a major difference here... My rules do not allow for
    intersecting spheres.

    What nationality are you, and what are you trying to achieve as a
    graphic representation?
    How do you go about it, why, and how?

    R.H.

    There are fascinating connections between these patterns of
    circles/spheres and number theory.

    https://www.youtube.com/watch?v=wE1iJkXs1Xg https://www.youtube.com/watch?v=dNySdycX-MU

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  • From sobriquet@21:1/5 to All on Thu Apr 3 01:39:18 2025
    Op 02/04/2025 om 21:40 schreef Chris M. Thomasson:
    On 4/1/2025 4:28 PM, sobriquet wrote:
    Op 01/04/2025 om 22:33 schreef Chris M. Thomasson:
    On 4/1/2025 3:46 AM, sobriquet wrote:
    Op 01/04/2025 om 06:54 schreef Chris M. Thomasson:

    [...]

    Check this out:

    https://i.ibb.co/chbBhqnz/ct-p6.png

    ;^D


    Good.. the blender tutorials on yt on this and closely related
    fractals is still a bit limited..

    https://www.youtube.com/watch?v=eIZ97sP6xAg

    https://www.youtube.com/watch?v=utIgXiywxq4


    Interesting. Actually, for some reason, those remind me of the Maskit algorithm. It's been a while since I have programmed Blender using
    Python. Humm.. Well, here is an older 2d maskit of mine:

    https://www.pinterest.com/pin/293648838201283660/

    Let me try to find the algo... ... ... Ahhh! I finally found the algorithm:

    https://www.josleys.com/articles/Kleinian%20escape-time_3.pdf
    (read all!)

    Now, there is a way to get 3d here. I remember doing it in a GLSL
    fragment shader.

    Yes, I also remember watching this video on the topic:

    https://www.youtube.com/watch?v=cTscv6fJ9Qk

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