First time - first tutorial

[ALTO]

Hi, first of all i'm very impressed of this powerfull plugin, congrats!

I've written a basic tutorial for creating a Upholstered Cushion with T-Splines.

It works but could be this the right workflow?
What i find a little annoying is the Edges selection for Crease, is there a way to select edges with rectangular window (or with lasso tool)?
Another question, is it possible to convert a mesh into tspline object with all edges already creased?

Thanks

[ricardo]

Great work!

Ricardo

[Matt Sederberg]

First of all, great work! I had noticed someone posting a question about how to make this object on the Rhino newsgroup--I'd imagine this is in relation to that--are you the guy who asked about how to make this, or a helpful "colleague"? (Or if you'd rather not say, that's okay as well...)

To answer your questions, currently you need to select each edge individually to crease them. Your observation is well taken, though--there could be an easier way to do this. Your "request" has been noted and we'll add it to the to-do list.

Also, when a mesh is converted into T-Splines the creases are not preserved. However, if you convert NURBS to T-Splines (ie a NURBS box) the creases will remain. (I'm not sure how helpful that would be in this instance.) (If you want to delete these creases, just merge the box together and then do the tsRemoveCreases command. http://tsplines.com/forum/viewtopic.php?t=2535 talks more about this.)

[Matt Sederberg]

...and now my Rhino newsgroup just came up again and I see the rest of the conversation there with you and the rest of the guys, Alto. Thanks!

[jbshorty]

Alto - Nice tutorial !

Matt - this is a good example where UVN Drag Mode needs a bit more improvement. If CTRL+dragging multiple points on a nurbs surface, they each follow their own normal vectors. But on a tspline they all follow one vector. If UVN drag mode were tuned up to work like nurs, all of the "dimple" CP's could be moved at once...

jonah

[Holger Jahns]

I agree, this is a nice example of the usefulness of Tsplines!
I also wished for more efficient methods to select edges. Besides hooking up Rhino's windows/crossing selection with a recangle, I also would like to see selection of loops and rings of edges with Loop and Ring-Selection-tools.

Holger

[ALTO]

Thanks guys!

Here is a bigger version of the final image made with Auxpecker plugin (Rhino-Realtime)



Matt, thanks for your support, i've seen that creases remain with converted nurbs but with mesh, operation is more fast, do you think it will be possible to add an option for creases directly into the tsConvert command?
Also agree with jbshorty, UVN Drag with Tsplines need some improvements...
Thanks again for this amazing plugin!


PS: As you've already noticed i'm the "helpful colleague"!

[TomFinnigan]

Matt - this is a good example where UVN Drag Mode needs a bit more improvement. If CTRL+dragging multiple points on a nurbs surface, they each follow their own normal vectors. But on a tspline they all follow one vector.

Er, I guess I mostly tested it on a plane

Normal vector dragging should always work, I'll go ahead and fix that for the next beta..

[jbshorty]

Er, I guess I mostly tested it on a plane

no problem. I've been guilty of that myself...

[Rupes]

Seriously impressed with this plugin, and ALTO for putting the tutorial together...

Fantastic work all of you!

[jbshorty]

Hi Alto, I hope you don't mind that i've added a link to this tutorial on the Wiki page... You can find other tutorials, models, and toolbars there as well :

http://www.tsplines.com/wiki/tiki-index ... and+Models

jonah

[bjorn.syse]

hey, nice cushion and very creative way of using the plugin. I Like it!

- Björn

[ALTO]

Thanks all!

Here is another model with the same technique:



Close-up:


Rhino Realtime con Auxpecker plugin


@jonah: no problem, i'm really honored!

[Holger Jahns]

Wow! Great model and a very convincing environment-map!

Holger

[jbshorty]

@jonah: no problem, i'm really honored!

actually you can edit the Wiki yourself, posting as many tutorials as you are willing to create. So please keep them coming . I figured maybe you didn't know there was a Wiki page here, as it's a bit hard to find. So i took care of it...

jonah

[ALTO]

Hi all, sorry to bring back this old topic...
I've got several messages of people having different results from the tutorial in the first post, basically it seems Crease is not working in the same way now, any hints?

Thanks

[Matt Sederberg]

Alto, nice to see you back here! It's been a while!

Yes, creasing has changed since T-Splines v1. We now call the new control points that are added tightly around the creased point "tangency handles," and by default we move them along with the creased control point. In this cushion example, that means they have a different effect on the surface. Juan or I will whip up some pictures to explain this soon, and hopefully get you a different workflow that will work for your tutorial.

[ALTO]

Ok, thank you very much!