Creas and Extrude.

1. Creas and extrude.

This is Subdevided object, red are creased edges:



Now I if you extrude, these edges become uncreased, and it looks like crease was interrupted:



Is it possible to make these edges stay creased, like this?





It will save a lot of work, now you have to spend time repairing it.

http://www.digitalfossils.com/Download/NVil-May-01-15.rar

  * On polygon extrusion, the program will auto set new edge's crease weigth, edge harden flag and harden the edge, base on the subd crease weight setting of the adjacent edges. The reason of making it base on sud crease setting is to avoid breaking other people's work flow.
  * Subobject mode > Selection > Grow/Shrink > Grow Selection Within Hard Edge Boundary.
  * edge mode > Selection > Hard Edges Not Sud Creased.
  * edge mode > Selection > Loop Select Hard Edges.

Wow! Everything works amazing!!! Now hard edges become real power, and creasing now is very simple!
I'll made tutors.
One thing I notice when you extrude in this situation it will not create creased edges:

Also wanted to say, that now with all that hard edges commands my workflow changed a lot.
Now everything is going around hard edges. And it is really great workflow.
Now the main thing is to bring it some how to people.

Also IStonia,
Have some problems, with hard edges.

We do not need this hard edges, creases works great.


Also this:





Looks like it works arsy-versy. From Hard edges it creates soft and vice versa. And some other bugs.

This is great, thanks Andrei and Istonia.

Now the main thing is to bring it some how to people.

I think one of the stumbling blocks for potential users of Nvil is how to transfer the crease information to other applications for uvmapping, texturing & rendering. For creasing to look nice & smooth you really need at least 3 levels, which makes for a very dense mesh to bake in those creases so other applications can open the obj.

A lot of artist want to keep their meshes as sub'd rather than a dense mesh.

I think one of the stumbling blocks for potential users of Nvil is how to transfer the crease information to other applications for uvmapping, texturing & rendering. For creasing to look nice & smooth you really need at least 3 levels, which makes for a very dense mesh to bake in those creases so other applications can open the obj.
A lot of artist want to keep their meshes as sub'd rather than a dense mesh.

I'm of course not at all against transfer of creases...
But one has to be fair – it's a stumbling block pretty much everywhere. Exporting them used to be impossible for many years (exchange formats like .obj don't even support creases)and even after the introduction of openSubdiv in various apps transfer of creases ain't something which just works. Or do you know a sample of transfer between software made by different companies, where...

- imported creased geometry looks correct right away
- one has the same set of controls in both apps
- all creasing percentates are read out properly right away
- and everything remains life editable?

Just curious...

I'm of course not at all against transfer of creases...
But one has to be fair – it's a stumbling block pretty much everywhere. Exporting them used to be impossible for many years (exchange formats like .obj don't even support creases)and even after the introduction of openSubdiv in various apps transfer of creases ain't something which just works. Or do you know a sample of transfer between software made by different companies, where...

- imported creased geometry looks correct right away
- one has the same set of controls in both apps
- all creasing percentates are read out properly right away
- and everything remains life editable?

Just curious...

As far as I know that is correct. Each 3D application has there on version or variation on creasing and importing from one to another is not compatible without collapsing the mesh.

So an artist who wants to use creasing and keep it all sub'd is likely to stick with or choose a 3d application that does everything they need to do so they don't have to export. So that would limit the amount of potential new Nvil users which was the point I was trying to make about the benefits of creasing in Nvil.

Having said that, I'm really enjoying working with Nvil and see it as very fast modeller (once I get up to speed with it).

Try this
http://www.digitalfossils.com/Download/NVil-May-02-15.rar

I fixed some of the subd crease bugs. But I give up the subd crease based hard edge auto setting as I can't establish the related reliable rules.

But I give up the subd crease based hard edge auto setting as I can't establish the related reliable rules.

I also wanted to ask you about it but then thought may be you cab fix it, now looks like everything works good, thank you.

IStonia, I found some problem here:

Hay IStonia, I just tryin to work with this new feature of creasing and looks like it have some negative side effect:


This effect will confuse users about how Auto - Creasing works.
May be you will make option for auto-creasing and will keep it off by default.
Because even I some times confused with results.

If it possible can you make it only work in this situation?


In all other cases it will be enough to use Select Hard edges That was not creased and creas them.

I just disable this feature completely.
http://www.digitalfossils.com/Download/NVil-May-03-15.rar

It could be still useful in some cases, so I added an option

http://www.digitalfossils.com/Download/NVil-May-04-15.rar
  * Edit > Options > Auto Subd Crease Enabled.