Author Topic: Horizontally baanded sphere  (Read 5937 times)

Offline skulltronix

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Horizontally baanded sphere
« on: January 25, 2019, 12:05:40 PM »
Hi
I just discovered that there is now a sphere model. Very cool except I'd never build one with vertical pixels. The spacing gets tighter toward the top and bottom at the same time that the visual viewpoint makes the spacing get tighter toward the poles.  That leaves the poles looking like a solid bloc of color.
I'd like to suggest a horizontally banded sphere using equally spaced strips.  Or a more general 360 shape that lets the user enter the number of leds per band so that odd shapes such as snowmen could be created.
Using the 3d I can create this with multiple wreaths that have been rotated and grouped.But that leaves lots of problems when trying to scale or rotate the group.

Offline Gilrock

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Re: Horizontally baanded sphere
« Reply #1 on: January 25, 2019, 12:33:24 PM »
So there's no parameter to switch from vertical to horizontal?  That model derives from the Matrix model so it should have the same features.

Offline keithsw1111

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Re: Horizontally baanded sphere
« Reply #2 on: January 25, 2019, 03:44:47 PM »
I didn’t allow horizontal because it would have had the same problem. And I couldn’t see someone wiring it that way unless they had different numbers of pixels per band.


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Offline Gilrock

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Re: Horizontally baanded sphere
« Reply #3 on: January 25, 2019, 04:25:24 PM »
Yeah so it's pretty much what I predicted....that the sphere model wouldn't be that useful because there will be 100 different ways everyone will build one.

Offline skulltronix

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Re: Horizontally baanded sphere
« Reply #4 on: February 01, 2019, 12:05:07 PM »
Yes, each band would be a different number of pixels.  That's an important feature of horizontally banded 3d objects.  They retain the same pixel density per square area without spreading out or bunching up.  Less LEDs, consistent coverage, less power required, better look. 

Offline keithsw1111

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Re: Horizontally baanded sphere
« Reply #5 on: February 01, 2019, 02:08:03 PM »
Yeah. I don’t think that is going to happen any time soon. It is a pain from a user interface perspective. You could use the current sphere and export as custom the. Remember and remove nodes.


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