Grasshopper

algorithmic modeling for Rhino

This Grasshopper definition calculates an approximation of the space visible inside a given BRep from a specific viewpoint. This is referred to as an "Isovist." From the wikipedia entry:

A single isovist is the volume of space visible from a given point in space, together with a specification of the location of that point.

http://en.wikipedia.org/wiki/Isovist

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Comment by Jose Joaquin Sanchez on November 23, 2016 at 8:44pm

would it be possible to link the definition, the parametricmodel.com site isn't working for me

Comment by Can Kutlubey on November 8, 2016 at 8:26am

Hello Andrew, very beautiful definition i would love to use it in my thesis project. I am very new to grasshopper so i cant write it myself. Would you share it with us again cause the links are down?

Comment by Federico Secci on July 11, 2016 at 1:30pm

Do you think is it possible to use your definition to achieve a result
similar to this https://vimeo.com/71553560 ? I'm working on it for my thesis and I also saw in the previous comments that Nick was talking about view cones. 

Comment by Rémy Maurcot on September 17, 2015 at 10:13am

Very useful thanks

Comment by wassim suleiman on June 26, 2012 at 2:42am
Comment by Francois on March 21, 2012 at 8:59am

Thank you, it works great and super fast!

Comment by Andrew Heumann on September 14, 2011 at 12:24pm
Hey Nick - would be happy to take a look. Email me your files at Andrew [@] heumann.com
Comment by Nick on September 14, 2011 at 12:11pm

Hi Andrew,


I've modified your algorithm in a way that I could use it to create view cones. I have run into a problem thought. While testing it with smaller element, I could get it to work, but after plugin it in my bigger model (city scale) the mesh would not work anymore. If I could send you the supporting files, would you be so kind as to look into what I may be doing wrong here?

 

Thank you!

Comment by fenngyao on August 10, 2011 at 7:41pm

thank you.that's very kind of you

Comment by Andrew Heumann on August 10, 2011 at 7:12pm

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