problems with lists

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Permalink Reply by mari on September 6, 2015 at 7:56pm

The second question,

I need to select from the list the o ítems, that they are the ítems from the left line.

And i need to select the 1 items, that are the ítems from the right.

Someone could help?

Thanks!!!

 

Permalink Reply by mari on September 6, 2015 at 7:57pm

.

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• 6.9.gh, 384 KB

Permalink Reply by David Rutten on September 7, 2015 at 3:43am

The problem is your data trees are very different:

Grasshopper matches trees up branch by branch, it doesn't know that what you want is connect all the points in {3;1;0;0} with {0;0;0}, {4;1;0;0} with {1;0;0} and {5;1;0;0} with {2;0;0} and not any other combinations.

Instead it just tries to connect all points in the first branches on each tree, then the second branches, then the third branches. When it gets to the fourth branch in your big tree it needs to use the third branch again from the small tree because there is no fourth branch. At this point it just keeps reusing {2;0;0} because it's the last one available.

It looks like a possible solution would be to remove all empty branches with the [Clean Tree] component.

Permalink Reply by mari on September 7, 2015 at 5:09am

Hi David, 

i tried with cleaning the points but it doesnt works. 

Where do i have to put the component?

thank you so much!!, 

marina.

Attachments:

• 6.9.gh, 384 KB

Permalink Reply by David Rutten on September 7, 2015 at 5:17am

Permalink Reply by mari on September 7, 2015 at 5:26am

sory but i dont understand,

thanks!

Attachments:

• 6.9.png, 82 KB

Permalink Reply by mari on September 7, 2015 at 5:30am

and another question, 

how can i do to only select the left points. 

thanks, marina

Attachments:

• 9.6.1.png, 82 KB

Permalink Reply by David Rutten on September 7, 2015 at 5:55am

You need to remove empty branches, so be sure to set the E input to true.

Permalink Reply by mari on September 7, 2015 at 6:03am

it was perfect, 

do you know the second question? thanks!!

Permalink Reply by mari on September 7, 2015 at 6:26am

the second question is.

i have to connect the first point of the image with the seconds points. 

thanks!!