Grasshopper

algorithmic modeling for Rhino

Daniel Piker
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Daniel Piker's Discussions

xml comments in referenced dll - intellisense in scripting components
1 Reply

Started this discussion. Last reply by David Rutten Jul 31, 2013.

'Offset on Srf' strange behaviour
1 Reply

Started this discussion. Last reply by Lucas Epp Jan 13.

Random numbers aren't...
1 Reply

Started this discussion. Last reply by Robert Vier Dec 27, 2012.

 

Daniel Piker's Page

Latest Activity

ALI ESLAMI liked Daniel Piker's photo
13 hours ago
Daniel Piker liked Csiby Zsolt's photo
15 hours ago
rob commented on Daniel Piker's group Lobster
"Hello guys, I want to use lobster for your robot Mitsubishi RV-M1, but it is impossible to connect the axis kinematics. If someone has already figured out, please help me to understand. Can discuss payment. Waiting for…"
Sunday
seghier khaled commented on Daniel Piker's blog post MeshMachine update
"i see a command in kangaroo menu : sphere collide ; maybe it can do something :)"
Sunday
Nik Willmore commented on Daniel Piker's blog post MeshMachine update
"seghier: I want 3D bubbles too! No, not yet. It may be very simple. The elusive obvious? Where is our Einstein? I need better drugs."
Sunday
seghier khaled commented on Daniel Piker's blog post MeshMachine update
"thanks Nikthe Algorithm very useful and i never heard about it ; i proposed this idea of using voronoi to create points than circles to a maxwell render developper to improve their scatter plugin and avoid intersection between scattered…"
Sunday
Nik Willmore commented on Daniel Piker's blog post MeshMachine update
"seghier: one thing to note is that you don't really need Hoopsnake for Lloyd's algorithm, since you can just copy/paste several Lloyd cycles as say 5 or 10 steps in a row, to do almost the same thing as 100+ steps. So first understand what…"
Sunday
seghier khaled commented on Daniel Piker's blog post MeshMachine update
"thank you Niki tried the script and it work fine i will try with better foam texture i installed Lloyd's algorithm with hoopsnake and download and example but i don't understand it  MeshMachine more simple ; you made a nice…"
Sunday
Nik Willmore commented on Daniel Piker's blog post MeshMachine update
"seghier: Two problems remain: (A) To combine both border constraint with grayscale ("texture") control. Adding bias towards borders is simple enough, based on closest distance to borders for each point. Initially you populate the…"
Sunday
Nik Willmore commented on Daniel Piker's blog post MeshMachine update
"seghier: ah, my last thread link uses Hoopsnake to create a continuous optimization loop for Lloyd's algorithm ("centroidal Voronoi") in which each new Voronoi diagram is replaced with a new one based on new points calculated from the…"
Sunday
seghier khaled commented on Daniel Piker's blog post MeshMachine update
"Many thanks Nik i will try them ; i used to lines to create bubbles but the circle and spheres need more relaxation like in realityi also see an example how to fill space between big spheres by smallest spheres but i don't remember whenthanks…"
Sunday
Nik Willmore commented on Daniel Piker's blog post MeshMachine update
"seghier: related is this, though I don't yet understand well the relation between circle packing and Voronoi with Lloyd's algorithm…"
Sunday
Nik Willmore commented on Daniel Piker's blog post MeshMachine update
"seghier: yes, it's possible, but MeshMachine can only seem to adapt to boundary edges, so you likely need a different "machine." The Rhinoscript (not Grasshopper damn it) RhPicture script does image-based circle packing, though…"
Sunday
seghier khaled commented on Daniel Piker's blog post MeshMachine update
"Thanks Niki see the intersection in circles and after baking  i can't see the mesh but i see the circles animated when i activate timer thanks for tip about tranpancy ; i want know it it's possible to use texture ( black and white )…"
Saturday
Nik Willmore commented on Daniel Piker's blog post MeshMachine update
"seghier: I see shading artifacts but no evidence of overlapping spheres. Bake it by right clicking the output and shade solid in a Top view. It's not possible that circles will suddenly overlap if converted to spheres. Also, I wonder if you…"
Saturday
seghier khaled commented on Daniel Piker's blog post MeshMachine update
"Hello again is it possible to use texture to control radius of spheres ?and i see that many spheres intersected ! "
Saturday

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Daniel Piker's Blog

Kangaroo 2.0 - Now out of the pouch and available for testing!

A few days ago I uploaded the first public work-in-progress version of the new Kangaroo (http://www.food4rhino.com/project/kangaroo)

I'm really excited to share this new release - which makes Kangaroo significantly more powerful and flexible.…

Continue

Posted on March 22, 2015 at 12:30pm — 11 Comments

Aether – simple speedy spatial fields for Grasshopper

Spatially varying fields, which associate a value (such as a number or a vector) to every point in space, have a wide…

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Posted on December 16, 2014 at 8:01am — 34 Comments

Kangaroo wins at 1st ALGODeQ competition

ALGODeQ is an international competition for algorithmic design programs, held for the first time this year.

There were 190 entries from 43 countries, judged by a large panel of professors and practitioners from around the world, in a multi-stage process.

The original intent of the organisers had been to award a single Grand-Prix, with an award of 1 million Yen, but during the judging process it was decided to award multiple highest prizes in 3 separate categories.



It is a… Continue

Posted on November 4, 2014 at 1:18am — 46 Comments

MeshMachine update

A minor update to the remeshing component (read about the earlier release here)

This adds the option to also scale the triangle size by distance from the boundaries:…

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Posted on June 9, 2014 at 4:30pm — 44 Comments

New collection of Kangaroo example files

I've updated the examples page for Kangaroo with a zip of over 80 definitions, organized by category, many with explanatory annotations, and covering several popular topics:

http://www.grasshopper3d.com/group/kangaroo/page/example-files

Hopefully this saves people some searching around, and makes learning to use it a little easier.

Posted on April 29, 2014 at 5:19pm — 5 Comments

Comment Wall (34 comments)

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At 12:57am on February 12, 2015, Levin said…

Hi, Danil. I saw a video on vimeo that's named "Grabbing interaction & adding elements". I'm curious what's the Screen capture software?

At 9:18am on December 30, 2014, rhinograsshopper2014 said…

Saludos de ecuador porfavor brindame ayuda deseo desarrollar window 500lux https://www.youtube.com/watch?v=6ssgXi9hSn0 ayudame con informacion explicacion desarrollo cualquier ayuda es bienvenida gracias

 

Greetings from Ecuador brindame please help develop desire window 500lux help me with information https://www.youtube.com/watch?v=6ssgXi9hSn0 explanation developing any help is welcome thanks

https://www.youtube.com/watch?v=6ssgXi9hSn0

At 8:52am on December 13, 2014, Yadid Hadad said…

Hi Daniel, it seems to be like there is no working download lonk for you gH plugin Jellyfish.... Can u share it with me please?

Thanks!!

At 8:04pm on May 20, 2014, reaction~~ said…

Hi Daniel~~

if you don't mind asking, how to install plankton~ i have same problem with kris leese.

thx

PlanktonError_2.jpgPlanktonError_1.jpg

At 3:36am on May 7, 2014, Elisabeth Puscher said…

hi daniel,

I have saved the file with internalized mesh, I hope you can open it now.

reciprocal_structure.gh

yes, i think these crossing-over problems on the pictures might be related on the scale factor of the edges.

however, if i coose a smaller scaling factor, i don't have this problems, but then the max deviation from the offset is very big.

Is there another way to get a better result for the offset?

thank you,

elisabeth

At 2:05am on May 5, 2014, Elisabeth Puscher said…

Hi daniel,

i have some questions about the reciprocal component and the optimization for tangency with kangaroo.

I found your example definition, but it doesn't work with my gemometry.

I want to create a reciprocal structure with an offset of 10cm (=rod diameter)

Can you explain, how the scale factor for the reciprocal component influences the quality of the result for the offset?

If i choose a small scale factor (e.g. 1.20), the max. deviation from the offset is veriy big. (9,8 cm)

If i choose a larger scale facotr (e.g. 2.00), the max. deviation from the offset is much smaller and better. (0,04 cm)

But then some points occure which are geometrically not possible. (see figure below)

Do you have any suggestions how to avoid this and to get better results?

Maybe you can have a look at my GH definition:

reciprocal_structure.gh

Thank you!!

Elisabeth

At 9:58am on May 3, 2014, bianca cattozzo said…

Hi Daniel,

I`ve started to use grasshoper one week ago and I want to ask you about your reciprocal force`s diagram. How did you do it?

At 2:25am on May 22, 2013, peter said…

hi Daniel,

Hi have a propblem loading kangaroo - see error message below.

I did check that I have those to files in the library folder and both are unlocked.

Any ideas what it could be ?

many thanks,

Peter

Object: KangarooA (level 1)
{
Exception has been thrown by the target of an invocation.
TargetInvocationException
}

Object: KangarooA (level 2)
{
Could not load file or assembly 'KangarooLib, Version=0.0.8.5, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.
FileNotFoundException
}

At 5:07am on May 14, 2013, Anton Laterra said…

Dear Daniel,

 

Here is a video on vimeo that you uploaded 2 years ago:

http://vimeo.com/20287194

 

Could you please explain in a few words which forces and how distributed create such a tension between points.

I guesed there are 2 anchor pts on each side. And should be some sort of repulsion going on...

Couldn't make it

thank you

At 10:58am on October 10, 2012, Systemiq said…

Hi Daniel,

your Mand3d with complex number raised to power of 4 instead of 2, perhaps it looks like something too.

 
 
 

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