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[WIP] Stadium/ Arena seat positionning + "Wrapping" question

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Pixelab:
Hello,

I'm struggling to make an Array 2S to work in the corners of seat rows

An image to explain what I'm trying to do. 3dsmax 2013 file attached



I'd like to position a seat in the corner of the spline (or eventually 2 with a spacer bewteen them to make a pseudo fillet), within the row (maybe an expression, but is there an automatic way to do it?), and to remove the overlapping default seat (instead of slicing them - unchecking the slicing box in defrom panel doesn't help)

Exact postition of the seats doesn't matter, it just has to be more or leass believable.

BONUS : Is there a simplier way to do the 1 color/row expression ?

Paul Roberts:
Hi!

Thanks for the question. I've attached a revised version of your file with some changes to improve the corners.



I've made the following changes.


* Set the Generator > Y Mode to Free, This allows each row to calculate the number of seats needed to populate the length independently. It should make the corners work much better.
* Set the Generator > Default Segment mode to Adaptive, This will rescale the seats subtly to ensure they fit the path without overlapping the ends. It also disables Bevel Mode which is fine for this example
* Added a new Transform operator for the corner segments so that you can adjust the padding around the corners and change the position if necessary
* Set Generator > Limits to 1 so that the objects will only appear on splines with this material ID
* Edited the base spline to add new sections where you want the gaps to appear and then set the Material ID of these sections to 2. I left the booleans in the corners as they are since they don't go all the way back to the perimeter of the stadium
To simplify the expression you could try a modulo command that will return the remainder of the YSegmentCounter divided by the number of Materials

mod(SegmentYCounter,Input1)+1

The +1 at the end is included to ensure the value never returns a 0.

I hope that helps, please let me know if you have further questions.

Kind regards,

Paul

Pixelab:
Thank you Paul, this is incredible support as always !

I thought that I was understanding RC better and better but it looks like I've got still a lot to learn !

Paul Roberts:
No problem at all,

Learning is all part of the fun :)

Actually here's another version that handles the placement of chairs a little better around the larger clipped areas by using a 3rd material ID.



Many thanks!

Paul

Pixelab:

--- Quote from: Paul Roberts on September 29, 2015, 04:16:51 PM ---
Actually here's another version that handles the placement of chairs a little better around the larger clipped areas by using a 3rd material ID.


--- End quote ---

Great, I'll check that out. I managed to get a nice results with your explanation only.

About the boolean (clipping) vs spline ID, I understand that the spline ID method preserves somehow a better alignement, but I guess I can still combine both techniques if I want to have special "cutouts"for stairs, etc. ?

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