Some help with data matching!

Hi everyone,
Just beginning to work with grasshopper, so its probably a simple question...

I'm dealing with a voronoi cells network, need to create a line between each cell's control point and that cell's center.
I know this involves some data matching, which i'm strugling to understand at the moment..
Would appreciate any help as well as some explanations!
Thanks beforehand!

Replies to This Discussion

Permalink Reply by Artyom Maxim on January 5, 2012 at 8:49am

I've made a sample definition, please take a look at it!

Again, need to connect two streams of points as described above...

Thx.

Attachments:

vorocells_01.gh, 10 KB

Permalink Reply by Benjamin Golder on January 5, 2012 at 9:01am

Try right clicking on the 'P' input of your 'PCen' component and using 'graft'.

Basically, CPoly produces one branch per polygon, while PCen produces one item for each polygon, and all the items are in one branch.

If you graft PCen, you'll have one point per branch (and therefore one branch per polygon).

Permalink Reply by Yoann Mescam (Systemiq) on January 5, 2012 at 9:03am

You can also graft the output of Voronoi, so each cell is going to his own branch.

(Then connect a Line component to cell centers and cell points, as the default data matching on components is Longest List, Line will try to connect all the cell controls points with the one center point in corresponding branch).

Permalink Reply by Artyom Maxim on January 5, 2012 at 9:17am

Thanks guys, that worked! I'm on a step closer to understanding this stuff)

RSS