Maya for 3D Printing - Rapid Prototyping
In this course we're going to look at something a little different, creating technically accurate 3D printed parts.
#
1
29-01-2008
, 04:30 PM
Subscriber
Join Date: Dec 2007
Join Date: Dec 2007
Location: NZ
Posts: 3,125
I need an up-to-date answer on rendering in layers....
i've lost 2 days over this.... i have no idea how to render an image so that i can get it into after effects and and do what i was told i would be able to do, and that is have control over the things like specular highlights, shadows, etc
when i render in layers and use the presets (all tutorials i find about rendering in layers is out dated and maya 2008 is too different in that area for me to figure out ) i get some .tga files (as i've come to believe they are the uncompressed form of a picture)
but lets say i render colour and specular. i now get two tga files in some tmp folder of the images folder, and then i import them into after effects and put them one on top of the other. and now specular totally covers up colour....
so this to me tells me that i can only composite fully rendered pictures and not control lighting and stuff in post...
am i right? i thought that was the whole point of rendering in layers
Last edited by Chirone; 29-01-2008 at 09:40 PM.
#
2
29-01-2008
, 10:29 PM
Subscriber
Join Date: Apr 2005
Join Date: Apr 2005
Location: Wagga Wagga, Australia
Posts: 1,432
#
3
29-01-2008
, 11:29 PM
Subscriber
Join Date: Feb 2006
Join Date: Feb 2006
Location: Australia
Posts: 2,752
shadows and highlights do not inhabit the exact same place.., a highlight might be surrounded by shadow and/or reflected light, ect.., but your values should dictate what is shown where. the question doesnt make sense unless you are attempting this using RGB hues and values??
'specular totally covers up the colour' [quote]
specular DOES cover the colour.., its a highlight??
im trying to figure what you mean but i cant get my head around the question??? must be getting late in the day.
any examples??
i might be over complicating this??!!
take it easy and life will be easy
#
4
30-01-2008
, 12:08 AM
Subscriber
Join Date: Dec 2007
Join Date: Dec 2007
Location: NZ
Posts: 3,125
so i went to AE and changed the blend mode there and now specular is see-through-able
mirek03: apologies... i mean that i can't see through the specular layer to see what it does on the colour layer
i'll attach a small screenshot of AE
#
5
30-01-2008
, 01:56 AM
Subscriber
Join Date: Dec 2007
Join Date: Dec 2007
Location: NZ
Posts: 3,125
#
6
30-01-2008
, 10:21 AM
Subscriber
Join Date: Feb 2006
Join Date: Feb 2006
Location: Australia
Posts: 2,752
i dont see why this shouldnt work except maybe the grey values for the hightlights are too low.., bring them up to a 'specular' value (high' and check your alpha.., dont know why its not working.
another thing.., im not sure how many layers the alpha worked through.., is it just the top one.., or on all layers??
i did film not CGI, i taught that to myself.., so i hope people just try what i suggest and see if it works.., im no expert but i try to help is all.., really!!
take it easy and life will be easy
#
7
30-01-2008
, 11:57 AM
Subscriber
Join Date: Dec 2007
Join Date: Dec 2007
Location: NZ
Posts: 3,125
that screenshot was of just two layers, diffuse and specular, with specular on top of diffuse. if i use AE to make its layer blend mode add it seems to work alright...
i started rendering again in maya with the layers, and each layer is devoted to one of the presets. the shadow preset does nothing... it just gives a black picture, and the alpha channel shows no white at all so that must mean that its not rendering shadows...
i got maya to render all layers and composite them, but the composition never looks like the master layer...
what blend modes get the presets to look like the master layer after composition?
and alpha should go through all layers underneath it
#
8
30-01-2008
, 12:10 PM
Subscriber
Join Date: Feb 2006
Join Date: Feb 2006
Location: Australia
Posts: 2,752
the only time i have used blend modes in AE is for SPX?? it seems a problem in the render
im lazy and im not sure i know what you mean.., shadow preset?? never heard of it and i imagine it to not be automatic anyway. i use alphsa and PS to craete shadow maps.., best learn about rendering images into PS, converting to alpha, and mapping them appropriately to the compositor??
this might help, im lost here as i think what you are asking for is a complete lesson in maya rendering from near scatch and thats too labour intensive for me.
go forth, research, the answers are ther.., and you will feel good when you find them.., good luck
check this; https://www.thegnomonworkshop.com/tut...es_layers.html
and this
https://www.thegnomonworkshop.com/tut...ader_glow.html
far better put than i could do
M
are you using maya software??? theres a gotcha with mental ray, one of those, 'check this or it wont work things' but i forget.., im still learning too, it never stops, there is always more ??
take it easy and life will be easy
Last edited by mirek03; 30-01-2008 at 12:12 PM.
#
9
30-01-2008
, 12:16 PM
Subscriber
Join Date: Dec 2007
Join Date: Dec 2007
Location: NZ
Posts: 3,125
i may have to do more research into this stuff
... so much research to do... my origins are with programing (since graphics isn't a big thing in NZ) and theres always new stuff to learn...but playing with these things is much more fun than spending hours over stupid little bugs....
it never ends...
again... thanks dude! those gnome workshop pages are the first thing that google gives me when i search for this stuff too
Posting Rules Forum Rules
Topics
Free Courses
Full Courses
VFX News
How computer animation was used 30 years ago to make a Roger Rabbit short
On 2022-07-18 14:30:13
Sneak peek at Houdini 19.5
On 2022-07-18 14:17:59
VFX Breakdown The Man Who Fell To Earth
On 2022-07-15 13:14:36
Resident Evil - Teaser Trailer
On 2022-05-13 13:52:25
New cloud modeling nodes for Bifrost
On 2022-05-02 20:24:13
MPC Showreel 2022
On 2022-04-13 16:02:13