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On 5/25/2020 7:42 PM, Bald Eagle wrote:
> So, I played around with this a bit more.
>
> Got some tile face normals, used the array indices to generate tile labels.
> Reworked the cube-to-sphere transform.
>
> Need to write an animation to step through a cubic map and generate image maps
> for all the tiles.
>
>
> I'm not exactly sure how to generate a tile, map it, then translate/squish it to
> fit in its proper space.
>
>
> This is at a "face resolution" of 12, which give an 11x11 tiled side of the base
> cube (so the labels are legible)
>
> The idea here is that at full resolution, each tile will have an associated
> image map or include file for rendering whatever goes there.
>
> This only took 2 seconds to render.
>
Would be interesting to use this for a LEGO project. Not sure the LEGO
system's "magic numbers" can be made to properly fit a sphere though
without stressing the fragile plastic.
Mike
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Mike Horvath <mik### [at] gmail com> wrote:
> Would be interesting to use this for a LEGO project. Not sure the LEGO
> system's "magic numbers" can be made to properly fit a sphere though
> without stressing the fragile plastic.
You'd have to create a LEGO system designed for spherical shells.
As the altitude increased, the arc-length of the pieces would have to increase
to compensate.
So, every piece would have to be a curved wedge shape.
I guess we could bend the existing shapes...
http://news.povray.org/povray.binaries.images/thread/%3Cweb.5d4b7ce3a683fa3a4eec112d0%40news.povray.org%3E/?ttop=430245
&toff=50
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On 2/28/2021 6:40 PM, Bald Eagle wrote:
> Mike Horvath <mik### [at] gmailcom> wrote:
>
>> Would be interesting to use this for a LEGO project. Not sure the LEGO
>> system's "magic numbers" can be made to properly fit a sphere though
>> without stressing the fragile plastic.
>
> You'd have to create a LEGO system designed for spherical shells.
> As the altitude increased, the arc-length of the pieces would have to increase
> to compensate.
>
> So, every piece would have to be a curved wedge shape.
>
> I guess we could bend the existing shapes...
>
http://news.povray.org/povray.binaries.images/thread/%3Cweb.5d4b7ce3a683fa3a4eec112d0%40news.povray.org%3E/?ttop=430245
> &toff=50
>
Or just flatten each section to create faceted dome.
Mike
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