Grasshopper

algorithmic modeling for Rhino

GH Community,

Seeking help for patterning problem i having. Thank you in advance for your help. 

I am trying to cull a grid of points with the following pattern:

true

false

false

false

false

The first image (Capture1) shows the pattern in the correct way with the exception that it only has three (3) "false" inputs. When I add the fourth "false" input, the result is the second image (Capture2) which highlights entire rows. This is not the desired result. The pattern I want to see when selected, is the first point (0) green, then four red (1-4) points, then the fifth point (5) green. Any advice would be greatly appreciated. Thank you.

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Read this first! How to get help on this forum.

There is no way to help you without seeing your code.   Isn't that obvious?

Yes Joseph, you're right - file attached. 

Attachments:

The 'Image Sampler' will be lost in my copy of the file (Grasshopper bug) so copy/paste it from yours and re-connect as shown.

Attachments:

Thank you kindly Joseph, exactly what I wanted. 

I suggest adding another 'Cull' for minimum radius, to eliminate the "pinholes":

I think it's the way you divided the surface. The pattern is still there in the second capture, but instead of picking a point after every 4 points now it's picking a row after every 4 rows. 

Yes you are correct Geoffery.

I think my pattern would would see the columns being selected vertically based on the total number number points in the U direction being evenly divisible by five. However, if i were to have a number of points in the U direction not divisible by five, i would see the staggered pattern i see in the 2nd capture above.  This is the goal.

This is a different approach for handling resolution - make it a slider!

Attachments:

This is much better, I think - but there are so many ways and possible refinements:

Attachments:

Wow Joseph, thank you for the additional guidance.

My next challenge, projecting this pattern to a multiple triangular faceted surface

My next challenge, projecting this pattern to a multiple triangular faceted surface

What are your target surfaces, relative to the projected pattern of circles from this code?

I saw your comment on my profile but don't communicate that way, sorry.

This version uses 'Grid Utility | Convert to Diamond' in Paneling Tools:

https://wiki.mcneel.com/labs/panelingtools
http://www.food4rhino.com/app/panelingtools-grasshopper-rhino-50

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