Full Version: Parametric design in MoI?

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Hi speedy,

Thanks for sharing these ideas!

Some of your proposals remind me the "PatternSelArray" nodes that I have started to write some times ago and I never finished (was for the 0.65 version of Elephant).

Everything about "patterns and arrays" is my hobbyhorse !!

These are my original posts :

http://moi3d.com/forum/index.php?webtag=MOI&msg=7713.341

http://moi3d.com/forum/index.php?webtag=MOI&msg=7713.353


Best,

- Marco (mkdm)

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Wow speedy,

....fantastic Job!!!

- Marco (mkdm)

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Hello Karsten
By now you have become my adviser, and I hope you can tell me
how to solve my problem-
During v.077 and versions v .080
I tried to play some learning exercises -
With the advent of the v. 085 I have removed from the folder (nodeeditor)
all folders into of the old version, and I just added those relating at the latest version .....
Now , if I try to re-open the old files appear to me
error messages on the Canvas...
How can I overcome the problem ...
Possible that there is no compatibility between the old version
and the new.......
I attach a file that can not be loaded , and
I hope you can help me , and tell me how to fix it-
Thank you and excuse me if you abuse your time
and your patience-
Best
al

Attachments:
Par.Ellipsoid.Bool.difference.nod

Image Attachments:
Par.Ellipsoid.Bool.difference.jpg 

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I have 3 different objects: a, b, c.
How do I linear array them randomly? For instance a,a,b,a,c,c,a,b,b,a etc..
My main purpose using nodeeditor is random management of objects, but I can't seem to understand.. I cannot find a "linear array" node, only circular.

Thanks.
M.

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Hello Al,

I had a look at the picture and downloaded the nod-file. The problem are all the frame-Nodes in your file. V0.85 hasn't Frames - have a look to Max post, but you can use point and rotatePoints for the same function. So connect the inputs of ellipsoide and polygon with the point output of the sin/cos stuff following point and everything should work.(Maybe replace polygon and reconnect it)

Have a nice day
Karsten

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Hi Al,

Your experiments are very impressive! Great work.

>>Node Series with input, like Range, the beginning, the step, returning multiple values <<

Yes, a series node would be useful, but in the interim you can use "Const" node to input series arrays,
giving greater clarity to your node diagrams.

-James

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Hello James, Hello Al,

the attached nodefile shows a way to generate a numarray. You can also put more values in a const-node as a replacement for the slider.

Have a nice day
Karsten

Attachments:
range-series.nod

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Hi James,

Thank you very much your experiments!

Just a little debug info.

Running your .nod file and assigning to Ellipsoide node, a "Mode" other than Union, that is Long or Short,
Moi always crashes.

Best,

- Marco (mkdm)

---

James
Thank you!

Marco
>>It is necessary that you provide us with an updated and complete technical documentation of all the nodes, or at least of all the inner changes that this new "Project Elephant" has.
Sometime ago a asked community to help me with documentation. I haven't enough time even for coding :) Could someone help me with that? Of course I can provide all information about this project.

>>Instead of shortcuts, it would be possible when you have time, to have a control panel with simple buttons in order to have a fast access to all nodes
with one single click ?
I'll think how to implement it, but not instead of shortcuts :) I definitely need shortcuts. Copy-paste.. run-stop.. load-save etc..

Frenchy Pilou
>>Does it possible Expand / Reduce all nodes in one time ?
It's possible. I already thought about this.

>>does it possible to have the current name of the current file's node beside the Name of the version ?
I tried to do it, but MoI restricts title change from javascript. Maybe Michael could help us with that.

Brian
Thank you! I'll add a bright color scheme in the nearest future

Marco
>>Considering that "Project Elephant" has become increasingly hefty, I think that now it would be desirable, in order to leverage this wonderful tool, that you create a specific topic for "Project Elephant tech-docs and user guide".
I'll make it right after v.1.0 release

Frenchy Pilou
>> About nodes goto section Learn!
Thank you. I'll read it tomorrow

Karsten
>>while testing some node-experiments, I saw some inconsistencies with the interpolation node. Maybe I didn't understand the method right, but I think that spline interpolation gives better results. So I made some investigations I want to share.
Spline interpolation produces values outside the range. I prefer to use different interpolation methods for every particular case.
I can implement spline interpolation method later.

>>By the way, It was possible to integrate the function in the modes (long,short) of V0.8. In V0.85 I don't have success.
I decided to not integrate it as processInOut method. It will make this fuction more complex and less flexible. Also while playing with interpolation, I understood that I often need different interpolation modes in the same time. For example linear method for X and Y coordinates, and CatmullRom for Z coordinate.

>>PathArray (Performace now 3times faster for numarrays with reduced load of the moiDB)
Thank you! I'll check it tomorrow.

Marco
>>I hope that Max will include your nodes improvements into the next versions of Elephant!
I'll make a separate directory for custom script and extensions. Elephant will load them automatically.
Of course I'll add good stable nodes in the main node set.

Al
>>I ask if it was possible to make some improvements in the future:
>>1- We could add on- (Range Nod) various inputs to determine; the beginning the end n°of divisions so all you can handle with Slider or Knob
If I understood clearly, you already can do it using the Interp node. You need to set Linear interpolation, range and number of divisions.

>>2- Create a Node Series with input, like Range/ the beginning/ the step/ returning multiple values
I'll think about Series node. Thank you.

>>I want to share with all of you my humble learning exercise
Great! I like it!

>>Possible that there is no compatibility between the old version and the new.....
>>I hope you can help me , and tell me how to fix it-

Yes, I've removed the Frame node because the latest version of RotatePts makes exactly the same. Unfortunately I forgot to add this node to compatibility.js and enable Long mode support. I'll fix it in the new version.

wastzzz
>>How do I linear array them randomly? For instance a,a,b,a,c,c,a,b,b,a
You can use Random node and then Math (floor(a*3)). You will get group of values from 0 to 2. (something like 1,2,2,1,0,1,1,0,2,2)

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Hi Al & Marco

Al, sorry my last .nod file was an earlier version than screen grab.
I have attached new file incorporating Karsten's clever suggestion
for Range/Interp series output.

>>other than Union, that is Long or Short, Moi always crashes<<
Marco, yes I revised Al's original .nod file so I had not tried alt modes.


-James

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Hi James, re: ellipse revolve - it's built in to revolve that it trims any curve that crosses the revolve axis so a closed ellipse will internally get converted into a half ellipse for the revolve.

If it didn't do this and actually allowed you to revolve a closed curve, the resulting surface would have messed up normals, with half of it having a normal pointing inwards and the other half pointing outwards.

- Michael

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Hello Max!

I was very pleased to read your reply!

1) My request : "It is necessary that you provide us with an updated and complete technical documentation of all the nodes, or at least of all the inner changes that this new "Project Elephant" has.

Your reply : "Sometime ago a asked community to help me with documentation. I haven't enough time even for coding :) Could someone help me with that? Of course I can provide all information about this project."

Max, in this period I'm very busy at work with some developing (android apps) and honestly I couldn't concretely help you,
but I would suggest one thing...
It could be very convenient for you, and for us, if you move all the source code of "Project Elephant" to an online structured repository,
like "SVN assembla" (I use it almost every day in my dev job and it's very easy to maintain).
Or at least you could use also an online drive like Google Drive or others.
Such a system would make things significantly easier from an administrative point of view, regarding the versioning ad also for the documentation.

What do you think about it ?

2) My request : "Instead of shortcuts, it would be possible when you have time, to have a control panel with simple buttons in order to have a fast access to all nodes
with one single click ?"

Your reply : "I'll think how to implement it, but not instead of shortcuts :) I definitely need shortcuts. Copy-paste.. run-stop.. load-save etc.."

It would be very handy to have both UI control panel and shorcuts!
Some times ago, while I was writing my "Commands Finder" I needed a way to handle some key events (keypress/keyup/keydown) outside
the standard textboxes or inputboxes, but I couldn't.
Michael wrote me that the inner event capture mechanism handled by Moi doesn't permit that type of freedom.
I hope you have better luck.


3) My request : "Considering that "Project Elephant" has become increasingly hefty, I think that now it would be desirable, in order to leverage this wonderful tool, that you create a specific topic for "Project Elephant tech-docs and user guide"

Your reply : "I'll make it right after v.1.0 release"

Wow! That's a really great news!!! Thanks a lot.


4) My request : "I hope that Max will include your nodes improvements into the next versions of Elephant!"

Your reply : "I'll make a separate directory for custom script and extensions. Elephant will load them automatically.
Of course I'll add good stable nodes in the main node set."

A big thank you in advance for this feature!
It will enable Project Elephant to grow with its community!! Like the big brother Grasshopper.


Best,

- Marco (mkdm)

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Message 7713.483 was deleted

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Hi Al

FYI Attached is an alternative node wiring to achieve similar result using Mathpts.

-James

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Hello Max,
thank You for the answers. I have written a spline interpolation already. If you want to test it - it's called reMap. The last Patharray-node isn't posted - so I will do it now.
Thanks for your great work
and have a nice day
Karsten

Attachments:
pa.nod

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p.s.: Comparison of Interp-modes. Thanks for the interesting aspects of the monotonic behavior of various interpolation strategies.

Attachments:
interptest085.nod

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Hello Friends
Many thanks Karsten , for your timely information and advice....
many thanks Max , for having considered some of my requests....
many thanks James, marco , for vs suggestions and estimation-
I will continue to explore and share with you the results obtained with
the potential (ElephantMax'sNode-System)
See you soon
al

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Hi Karsten,

and thanks a lot for your latest experiments!

A little bug....

If I use the ScaleUVW node with the Average mode, I get this error :

see this screenshot : http://take.ms/k7bSC

Best,

- Marco (mkdm)

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Hello Marco,

as mentioned, average doesn't work:-( and I don't figured out, where the problem is.

Have a nice day
Karsten

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> as mentioned, average doesn't work...

I apologize....I forgot.

Have a nice day,

- Marco (mkdm)

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