Grasshopper

algorithmic modeling for Rhino

Creating columns based on 2 points on a surface

Hi everyone,

 

I'm really struggling with this one and I'm relatively new to Grasshopper though I do have skills in VB.net. I have created a curved roof using Grasshopper (see screenshot 1.png) and now I am wanting to use grasshopper to plot a point on this surface and a point on the floor of the roof to create a column between, I have sketched a simple example of what I am after (2.png, sorry for the poor quality). I will want to create a few of these columns within the roof. The idea is that if the roof is moved/re-designed that by applying a point to the roof and floor the column will react dynamically to these changes

 

Also I will want to create a ramp that follows the flow of the inner surface to create a walkway for people to walk from the ground level to a second floor, again this will use the concept of creating points on the surface to create the ramp from, unless there is a better way to do this?

 

Any help greatly appreciated

 

Lee

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Permalink Reply by Chris Tietjen on May 2, 2011 at 9:38pm

Here the the columns project from the floor and adjust to the roof surface but the column location points could just as easily be on the roof surface and the columns could be projected down to the floor.

 

Chris

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Permalink Reply by Lee Hardy on May 3, 2011 at 2:02pm

Thanks for this Chris, looks great!

 

I am just about to give it a try now.

 

Lee

Permalink Reply by Lee Hardy on May 3, 2011 at 3:36pm

Thanks Chris, this works brilliantly, just tweaking now to do what I want it to

 

Lee

Permalink Reply by Francisco Hernandez on May 8, 2013 at 8:30pm

Cris

I've tried to use your definition but have a problem  and can't understand what Am I doing wrong.

I cant adjust the waist it always stretches to ZERO, any ideas?

Permalink Reply by RWNB on May 3, 2011 at 2:11pm

maybe this is also interesting for you.

http://fancywires.com/?p=451

Permalink Reply by Chris Tietjen on May 3, 2011 at 4:51pm

Norton Security has indicated that your linked page above is a security threat.  Not sure what to make of that but thought it should be noted.

 

Chris

Permalink Reply by RWNB on May 4, 2011 at 3:25am

dear chris,

can not say anything about it, but interesting.

maybe norton plays crazy, or maybe taz is dangerous? (:

his profile picture is so scary.

scroll down and look at the webpage of taz.

 

http://www.grasshopper3d.com/profile/taz

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