What the?? Nope. Doesn't work.
Those T2 shaders are weird. unless I'm doing something wrong, only thing that happens is that if I set the inclusion/exclusion Id to >1 AOC disapears:-/
back to painting
On 29/02/2008, at 20.05, Ahmidou Lyazidi wrote:
Did you found a way to make it work this way? I didn't, how do you pass those mental ray tags from xsi to MR, this property doesn't seems to exist in XSI.
2008/2/29, Amaan Akram <xsilist(at)warpedspace.org>: Ahmidou Lyazidi wrote:
>You're right MR in xsi can do it but it's not implemented/exposed (or I didn't found a way to do it) in the occlusion shader there is 2 parameters,
>id_inclexcl and id_nonself you must tag(with a mental ray tag) the objects with ID and put this ID in thoses parameters to include or exclude
>objects in the occlusion.
This MR Amb.Occ shader is exposed via an SPDL in the T2S_MentalRay collection. (mib_amb_occlusion)
SPDL:
http://www.amaanakram.com/temp/mib_amb_occ_spdl.jpg download from
http://www.tek2shoot.com/knowledge-base/softimage-xsi/unexposed-mental-ray-shaders-v1.1-32-64.html Hope it helps solve the problem!
-Amaan
Ahmidou Lyazidi wrote: You're right MR in xsi can do it but it's not implemented/exposed (or I didn't found a way to do it) in the occlusion shader there is 2 parameters,
id_inclexcl and id_nonself you must tag(with a mental ray tag) the objects with ID and put this ID in thoses parameters to include or exclude
objects in the occlusion.
It would be very usefull to have it (like the others...)
2008/2/29, pingo van der brinkloev <xsilist(at)comxnet.dk>: hehe, damn. can't do that. the objects dissapear in reflections.
Oh BY THE WAY! THIS should be included in some next release! I KNOW
other packages has this. and since the AOC is now part of MR and not
some 3rd party (very cool) dirt shader anymore...??? rantrantrant.
I might just paint it out... LIKE NAN!
Morten what's that ctrl_studio?
cheers all.
On 29/02/2008, at 16.19, Andreas Bystrom wrote:
> just disable secondary rays on the object works for what you want, if
> I understand it correctly..
>
> you may also try the raylength shader in the BA collection, it can do
> occlusion and has an option to ignore transparent objects which can be
> handy sometimes as well.
>
> On Fri, Feb 29, 2008 at 2:32 PM, Morten Bartholdy
> <xsi(at)colorshopvfx.dk> wrote:
>> Maybe one of the Ctrl_Studio shaders...
>>
>> - MB
>>
>>
>>
>>
>> ----- Original Message -----
>> From: "pingo van der brinkloev" <xsilist(at)comxnet.dk>
>> To: <XSI(at)Softimage.COM>
>> Sent: Friday, February 29, 2008 1:51 PM
>> Subject: ambient occlusion receive/transmit
>>
>>
>>> Hey list.
>>>
>>> Isn't it possible to make an object receive AOC but not cast it on
>>> itself? Like all those nice reflection/refraction/FG switches in the
>>> visibility options.
>>>
>>> I cant use not seen by secondary rays switch cause I've got
>>> reflective
>>> objects in the scene...
>>>
>>> how anoying.
>>>
>>> cheers
>>>
>>> pingo
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