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Messages - dwsel

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General Anim8or Forum / Re: Anim8or on Linux Ubuntu?
« on: June 04, 2009, 02:16:18 pm »
Your friend needs Wine - latest the best ;)
I'm running Anim8tor on Linux quite smoothly. I only get sometimes random refreshing glitches, but it's not a big problem. Also I can use only single core for rendering. These might be only my problems, because I need to update my Linux system as well as wine to newest version. I hope then everything should be working fine :)

Finished Works and Works in Progress / Re: Microphone
« on: May 28, 2009, 08:10:10 pm »
The render is from the program - You could set the AA to 10000 and get the same. But anyway - AWESOME!

I understood that it's not straight render but 4 passes composition. Sometimes antialiasing final product is more effective than compositing single antialiased passes. But it might be only my personal experience.
I wouldn't have courage to render anything with 10000 AA samples :D

Finished Works and Works in Progress / Re: Microphone
« on: May 24, 2009, 11:49:42 am »
That looks really nice!
I agree with visible jagged edges. You could render image twice (or three times) as big with MUCH lower sampling, composite it in full size and then resize to half size (or three times smaller). I think that would solve your problem!

Congrats! :)

Anim8or Challenges / Re: Challenge #3: Red and Moving
« on: May 06, 2009, 05:36:47 am »
Thanks kreator!

Anim8or Challenges / Re: Challenge #3: Red and Moving
« on: May 05, 2009, 10:08:17 am »
Thank you! Your entry is quite scary... I'll be looking forward to see it in finished form :)

I've been thinking about modelling wings under the red shell, but I dropped idea, because they would be a problem for some reasons.
- Wings are very transparent - unability to set transparency level of shadows for each material would be a problem here, because shadows of wings would appear very solid and dark (ART as well as scanline)
- Wings are moving very fast - we're seeing them in blurred (motion blur) form. As Anim8tor does not have motion blur (or I didn't figure it out yet ;) ) I couldn't get them look properly and the way we naturally see them.
- Wings are longer than the shell as they spread - technically that would require animating loop of their fast motion as well as morphing them when they're hiding behind the shell so it would be quite complicated technically.
As for bending leaf - I changed leaf's angle slightly as ladybug started to seat ;) Probably effect isn't noticeable and somehow got hidden somewhere in between random moves :)

Video is coded in DivX. You probably need to install some codecs like DivX, Xvid or simple and lightweight FFDShow (one of latest versions) which support different formats. Creating account on youtube to post one short animation would be a bit troublesome for me at the moment as I lack of free time. Installing codecs should help you. Write is you'll still have problems.

Anim8or Challenges / Re: Challenge #3: Red and Moving
« on: May 04, 2009, 11:46:13 pm »
Here's my entry (zipped in attachment). If I won't post anything new this will be my final.

Starting base for leaf textures:


Anim8or Challenges / Re: Challenge #3: Red and Moving
« on: April 29, 2009, 11:14:50 pm »
My WIP - still from planned animation. I hope to finish it on time.

Thank you ENSONIQ, onespirit and baxter!
I posted tutorial/wip of this image here so now everyone will be able to use this technique :)

Finished Works and Works in Progress / Transparent shadows - tutorial
« on: April 23, 2009, 10:09:56 pm »

As I promised I'm posting tutorial about compositing my glasses image.

First when I read topic subject I told myself that anything I post won't be valuable until I solve shadows issue. First I came out with typical 3 light setup. I chosed coloured lights behind because I think that coloured light give impression of natural lighting, and impression of realism. If you have textured or bumpmapped object coloured light greatly reveals its structure, so it's worth to use. Statement two - all shadows have to be soft (like in real world is) no matter how long it will take to render it. Three - avoid use of saturated colours, especially with pure diffuse shader.

As you can see I rendered image four times:
1. normal render (lenses, rims, shadow)
2. rims with shadow
3. background
4. render of lenses and rims without shadows

I created two masks that will be useful in making shadows transparent:
5.  1 + 2 with difference merging mode
explaination: brighter parts indicates places where image 1 differs from image 2 (parts where lenses with their shadows are)
6.  2 + 3 with difference merging mode
explaination: brighter parts indicates places where image 2 differs from image 3 (place where rims and rims' shadows are)

How can 5 and 6 be helpful?
7.  1 + (4 with 5 as alpha channel)
explaination: in places where 5 has brighter parts 4 will cover 1 (we're replacing parts where shadows, refracted shadows and reflected shadows are with image which does not have shadows in those places)
8.  1 + (4 with INVERTED 6 as alpha channel)
explaination: in places where 6 has darker parts 4 will cover 1 (we're replacing everything except rims, rims' shadows and reflections of shadows in rims)

I noticed lack of reflections so I had to add additional layer with reflections (in additive blending mode)
9. Layer contains reflections only, so set all your non reflective and non refractive (diffuse) objects to pure black (no diffuse, no ambient). Throw out all of your lights from the scene. Add objects that became reflected (material set to white diffuse > 1, emitter > 1). Put on background some colour (grayscale can be too) or image in PANORAMA mode (preferably stretched). Hit render.

10. I don't know which method (7 or 8 ) is more physically correct, so I mixed both images (7 and 8 ) in normal blending mode to achieve appealing effect. I put 9 - reflection over it with blending mode set to additive.

11. I overlayed (horizontally or diagonally) some colour and greyscale gradients (with different blending modes and rather low opacity) as well as texture (real photos are never that soft as renders).

12. I faked depth of field. To do it create duplicate of your image, blur it with one of available in your app blur or smoothing filters, if you don't wan't to make another rendering (of scene depth) you can use as a mask for your layer simple gradient. Then I added a little amount of noise (actually texture could be added at this point not in 11). Last step was contrast and colour correction (I used levels, but any tool seems to work here).

I have to explain more things here. I didn't tell at which point I merged layers, changed contrast and colours, what exact blending modes I used in some steps. I think this part requires a lot of experimentation, so I leave it to you :)

EDIT: Some mistakes fixed ;)

Congratulations for all! I see new 'red' topic already :)

Thank you for comment.
As 3D Joe requested I'm going to make short tutorial covering tricks I used to make this picture look more realistic.

Anim8or Challenges / Re: Challenge #2: Render Glasses Using ART
« on: April 17, 2009, 06:49:08 am »
3D Joe Wiltshire:

Thank you :)

Anim8or Challenges / Re: Challenge #2: Render Glasses Using ART
« on: April 16, 2009, 10:16:18 pm »
Here's the result of quick modeling and long rendering and post processing.

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