Re: Replacing the shadertree? Possible?

Date : Wed, 14 Jun 2006 21:26:54 +0200
To : XSI(at)Softimage.COM
From : "guillaume laforge" <guillaume.laforge.3d(at)gmail.com>
Subject : Re: Replacing the shadertree? Possible?
>- Automatic on the fly type conversion to get rid of conversion nodes once and for all.
The conversion nodes are automatically created in XSI too. Maybe you want to hide them ( at least the option ) ?

>- Multi-Inputs with Photoshop like layer modes to get rid of mixer nodes for all those simple every day needs.
I never use layers in XSI but you can work this way since v4.0. Not complete in Foundation I believe.

> Muting inputs or complete nodes >- Keeping unconnected nodes.>- Node preview.>- And sure, multiple outputs.
I agree for all !

Cheers

Guillaume



On 6/14/06, Thomas Helzle <xsi(at)screendream.de> wrote:
Guillaume, you are right, but it actually is a bit more than that:

- Automatic on the fly type conversion to get rid of conversion nodes once and for all.
- Multi-Inputs with Photoshop like layer modes to get rid of mixer nodes for all those simple every day needs.
- Muting inputs or complete nodes
- Keeping unconnected nodes.
- Node preview.
- And sure, multiple outputs.

Especially the second is driving me nuts, since often I want to combine a texture with a surface color. In messiah I can set the input to +, -, * etc to just mix it with the already existing surface or with the texture below.

But today I had it after applying several image textures with alpha channels to a surface. In messiah I just connect the image node to the material input and be done with it: where the alpha is transparent I can see the texture or color below without any further ado. In XSI I need 3 to 4 nodes to get the same. If it would render faster than LW or messiah, I would accept it, but it is in fact slower with rendering image textures.

I already simulate some of the options in my own shaders, but that becomes rather convoluted without a better node interface.

And since I can see no development in that area since 4.0, I think about doing my own system.
I just thought I ask if something like this exists or was done before.

Cheers,

Thomas Helzle

P.S. For reference: http://www.screendream.de/stuff/messiah_nodes.jpg




On Wed, 14 Jun 2006 19:57:09 +0200, guillaume laforge <guillaume.laforge.3d(at)gmail.com> wrote:

> I think Thomas idea is something like in Messiah. Shader nodes with the
> ability to output several things from the shader.
> Would love something like this in XSI !
>
> A "multi-lightmap" output would be usefull too. Why only one lightmap input
> limitation in the material ?
>
> Cheers
>



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