Re: sky shader and clouds

[Pete Edmunds <pete(at)eclipsecreative.co.uk>]

hows this screen grab?


i used the sky from the image provided here
http://mentalraytips.blogspot.com/2007/02/clouds-with-mental-ray-sky.html

plugged that into a spherical Environment.
then added a changed range left the old value from 0-1 the new value from 0-10  then plugged that into the Physical sky shader.
that should work.
move the Physical light around and the clouds change colour too...!!


Adrian Lopez wrote:

Think you could post a grab of your rendertree with this working, Daniel?  Would help alot.

Adrian

On 3/2/07, Adrian Lopez < liquidlightdigital(at)gmail.com> wrote:

Okay, I'm in the rendertree.. I can connect a texture to the haze parameter, xsi inserts a color to vector node inbetween.  I cannot apply spherical mapping or anything, and the rendered image doesnt seem to change.

I know I'm missing something simple.. but what?

On 3/1/07, Daniel Bachmann < xsi.dbachmann(at)gmail.com > wrote:

adrian,

open your rendertree and then add a texture to the haze.

it will work from there only. you cannot attach the texture in the ppg.

 

just ask back if it does not work,

daniel

 

2007/3/2, Adrian Lopez <liquidlightdigital(at)gmail.com>:

Thanks, Daniel..  I made the change to the spdl (after making a backup) and saved it back out.  But I dont see how it made Haze texturable.  Do I have it right?

    Parameter "haze" input
    {
        GUID = "{A057D5D1-B526-486F-A749-F83EBA55CFD3}";
        Type = scalar;
        Value = 0.0;
        Texturable = on;
    }

When I initialize the skyshader from the Pass->Edit menu..   the dialog looks the same.

On 3/1/07, Daniel Bachmann <xsi.dbachmann(at)gmail.com > wrote:

hi adrian,

you can find the spdl here:

C:\Softimage\XSI_6.0\Application\phenolib\spdl\mibase\mia_physicalsky.spdl

 

have fun,

daniel

 

2007/3/1, Adrian Lopez <liquidlightdigital(at)gmail.com>:

Ummm.. where do I find this SPDL?

On 3/1/07, Pete Edmunds <pete(at)eclipsecreative.co.uk > wrote:

dammit! tried it on another machine and it works!!
weirdness

Pete Edmunds wrote:

i stumbled across this tip about connecting clouds with the sky shader in XSI.

http://mentalraytips.blogspot.com/2007/02/clouds-with-mental-ray-sky.html

he describes it as
"as a spherical environment map plugged into the haze parameter of mia_physicalsky. That's basically it!"

the mia_physicalsky in xsi 6 doesnt let me plug anything into the haze value, so i edited the SPDL from this

    Parameter "haze" input
    {
        GUID = "{A057D5D1-B526-486F-A749-F83EBA55CFD3}";
        Type = scalar;
        Value = 0.0;
    }

to


    Parameter "haze" input
    {
        GUID = "{A057D5D1-B526-486F-A749-F83EBA55CFD3}";
        Type = scalar;
        Texturable = on;
        Value = 0.0;
    }


but i can't seem to get it to work. has anyone tried?

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Adrian Lopez
CEO | Director | Producer
Liquid Light Digital
Kingston, Jamaica
C:   876.381.2471
W: 876.978.6418

www.liquidlightdigital.com

HD/SD Production | VFX & Animation | Production Management

--
Adrian Lopez
CEO | Director | Producer
Liquid Light Digital
Kingston, Jamaica
C:   876.381.2471
W: 876.978.6418

www.liquidlightdigital.com

HD/SD Production | VFX & Animation | Production Management

--
Adrian Lopez
CEO | Director | Producer
Liquid Light Digital
Kingston, Jamaica
C:   876.381.2471
W: 876.978.6418

www.liquidlightdigital.com

HD/SD Production | VFX & Animation | Production Management

--
Adrian Lopez
CEO | Director | Producer
Liquid Light Digital
Kingston, Jamaica
C:  876.381.2471
W: 876.978.6418

www.liquidlightdigital.com

HD/SD Production | VFX & Animation | Production Management

-- 
Eclipse (Creative) Limited
Pascoe House
54 Bute Street
Cardiff
CF10 5AF
 
Cardiff Tel: +44 (0) 29 2047 0070
Cardiff Fax: +44 (0) 29 2047 0071
 
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