Selection of specific points

Hi everybody,

I am doing an architecture project at university using grasshopper. I consult this forum for the first time because I am stuck at one specific step and I have trouble continuing.

Basicaly my Problem is that throughout intersecting I created points that i now want to connect and it keeps connecting every point to every other point. I know it has something to do with sorting out lists but i couldnt figure it out.

So I created a cone on every line on the grid that intersects with the neighboring line in the grid. I want to connect every startpoint of the cone ( points are in one list ) to the intersecting points of that cone with the neighboring lines. Can somebody help me and tell me what i am doing wrong ?

Another thing I dont understand at this point is why it creates this tower of cones on the first line on the grid. But i can always cull that out.

Attachments:

X1.PNG, 103 KB
X2.PNG, 400 KB
2.PNG, 297 KB

Replies to This Discussion

Permalink Reply by Danny Boyes on January 6, 2015 at 8:07am

If you upload the definition it would be easier to help.

It boils down to data matching and unless we can see the structure of your data we are going to be second guessing where the problems lie.

Permalink Reply by Florian Bendl on January 6, 2015 at 3:19pm

As Danny mentioned...please post your Grasshopper file and Rhino file (if you use inputs fom there). My first guess would be that you need to Graft the L-variable in your BLX-component as well ...just guessing though!

Regards,

Florian

Permalink Reply by Chris C. on January 7, 2015 at 8:42am

I m sorry for not ataching the grasshopper file earlier, here it is now. I cleaned it up a bit so its readable.

The first definition is the furthest we got so far. It basicly creates more beams then needed and then trys to cull all the ones that are wrong, but as i mentioned it doesnt work correctly, the output seems irregular.

The second definition is the one we are working on now and try to find a different way to cull / sort the beams created between the gridlines. One thing I changed here is the direction of the Cone because it changes its proportions when we use the "Rotate 3D" Component. At this point it doesent matter in which direction the beams are aligned so for simplicity I removed it.

I hope that this might help,

thanks in advance to everybody here taking their time reading this.

Attachments:

Construction23.gh, 24 KB

Permalink Reply by Chris C. on January 11, 2015 at 6:51am

So i am trying to cull the branches now with bounding boxes. The problem is that you cant delete the lines completly with the trim expression. So I tryed to cull the endpoints of these lines, but it does not work :/ anybody have an idea ? Even completly different aproaches would be greatly appreaciated.

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