Grasshopper

algorithmic modeling for Rhino

Daniel Piker
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Daniel Piker's Groups

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

Daniel Piker replied to SteveB's discussion Any way to wrap a filleted voronoi around a closed surface?
"Nice. I do think in this case Cytoskeleton will give a cleaner, more predictable result than Exoskeleton, as you have a surface mesh to start with. Also the result is a quad mesh (which could even potentially be turned into NURBS). It won't…"
20 hours ago
Bradley Bowers commented on Daniel Piker's blog post MeshMachine update
"Hello,  What should I do if I have a even more recent version of Kangaroo . . . ?  This is the Error I receive: 1. Error (CS1705): Assembly 'GH_Kangaroo, Version=0.0.9.9, Culture=neutral, PublicKeyToken=null' uses…"
22 hours ago
Rodion Kalistsuk commented on Daniel Piker's blog post Aether – simple speedy spatial fields for Grasshopper
"Dear Daniel, My name is Rodion. I am a mechanical engineer and I don't have that much of a programming background, however I am developing. I generally coded with Python, and some C/C++.Within my study program, I am taking a Computational…"
yesterday
Daniel Piker liked Christian Schmidts's video
yesterday
Daniel Piker commented on Mateusz Zwierzycki's photo
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animation

"It would be nice if you added the option to generate the animations directly, without needing to switch to an external application. Here's an open .NET library that includes animated gif encoding: https://github.com/DataDink/Bumpkit"
Tuesday
Sesam10 liked Daniel Piker's photo
Monday
Daniel Piker replied to Tomo's discussion general kanngaroo problem
"Since the KE output shows, but the error says that field is not found, it looks like maybe it is loading the new .gha, but the old .dll The only difference of the main Kangaroo component from the previous version is the kinetic energy output. Is it…"
Sunday
Maurizio Barberio liked Daniel Piker's photo
Jan 24
Daniel Piker replied to Heinz Schmiedhofer's discussion vertex normal calculation in the group Plankton
"Hi Heinz, Thanks for the feedback. There are various possible weighting schemes for calculating the vertex normals of a triangular mesh, all of which have their pros and cons, rather than any definitive 'correct' normal. Non-normalized…"
Jan 23
Andrew Wood replied to Daniel Piker's discussion Dynamic remeshing script with Plankton and Kangaroo in the group Plankton
" This possible shows it a little more clearly. It has everything you are doing, dynamically increasing meshing in areas with more curves and proximity (when looking at the boundary areas)"
Jan 22
Andrew Wood replied to Daniel Piker's discussion Dynamic remeshing script with Plankton and Kangaroo in the group Plankton
"Hi Daniel, This is amazing work. (I am constantly amazed by your energy to keep developing this awesome set of tools, thanks). This is now getting extremely close to making kangaroo the perfect tool for re-meshing for computational Fluid Dynamics…"
Jan 22
Daniel Piker replied to Claudio's discussion Unable to install Kangaroo latest version in the group Kangaroo
"Hi Claudio and Andrei, A blocked file is different from read-only. When a dll or gha file comes from another computer, Windows sometimes blocks it from running for security reasons. If a file is blocked, this shows up in the file properties when…"
Jan 21
David du Bellier liked Daniel Piker's video
Jan 19
Javier Bono Cremades liked Daniel Piker's profile
Jan 19
J-P commented on Daniel Piker's video
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Kangaroo - new solver

"incredible - excellent work"
Jan 18
Daniel L Nay commented on Daniel Piker's video
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Developable strips with Kangaroo

"Daniel Piker.... wizard... all I can say."
Jan 17

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Daniel Piker's Blog

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…

Continue

Posted on December 16, 2014 at 8:01am — 20 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 — 44 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:…

Continue

Posted on June 9, 2014 at 4:30pm — 23 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

Dynamic remeshing - now with feature preservation, curvature adaptivity, and minimal surfaces

This will be incorporated into future releases of Kangaroo, but because it is so much fun to play with (not to mention useful!), I was excited to share this as a standalone component right now.

This is a tool for remeshing, as I first wrote about and demonstrated…

Continue

Posted on April 22, 2014 at 11:00am — 43 Comments

Comment Wall (33 comments)

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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.

At 6:44pm on July 11, 2012, bassem M.EID.M said…

Hi everyone,

any resources about how to create spring connection between a set of boxes that represent spaces?

 
 
 

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