Chaos Corona Forum

Chaos Corona for 3ds Max => [Max] I need help! => Topic started by: maru on 2013-09-16, 20:39:50

Title: Problem with transparent textures
Post by: maru on 2013-09-16, 20:39:50

Here is my problem, maybe someone will help me:

I am trying to make a scene where one object is made of transparent film with printed text on it. You can see it in the attached images.

I made two maps: one for diffuse colour and one for refraction/opacity.

After rendering, all the letters have dark outlines, which is obvious because of antialiasing (re1.jpg). Dark edges of the letters are semi-transparent because of antialiasing in opacity map.

So I tried a different method (re2.jpg) but then the masking shapes are visible because I don't want the film to be completely transparent and diffuse colour is visible.

I also tried saving diffuse map in .png format with alpha channel but max (or Corona?) thinks alpha is white and the effect is still not good (re3.jpg).

I want the film to be opaque where there are letters and shapes and transparent (black with 80% transparency) in the background. And I don't want those dark outlines. I'm lost. How would you do this?

Title: Re: Problem with transparent textures
Post by: maru on 2013-09-16, 20:51:00

Looks like the only way to do this is by disabling antialiasing when saving these bitmaps.

Title: Re: Problem with transparent textures
Post by: rafpug on 2013-09-16, 21:57:10

Hi maru,
perhaps this example can be useful to you

http://www.youtube.com/watch?v=FOB8CbTZbiM&desktop_uri=%252Fwatch%253Fv%253DFOB8CbTZbiM&app=desktop (http://www.youtube.com/watch?v=FOB8CbTZbiM&desktop_uri=%252Fwatch%253Fv%253DFOB8CbTZbiM&app=desktop)

Greats
Raf

Title: Re: Problem with transparent textures
Post by: cecofuli on 2013-09-16, 23:59:39

Did you try by changing the bitmap filtering inside 3ds max?

Title: Re: Problem with transparent textures
Post by: maru on 2013-09-17, 10:00:51

Yes, but it's not that kind of problem.

Maybe Rafpug is right it can be achieved with some blending magic.

Title: Re: Problem with transparent textures
Post by: rafpug on 2013-09-17, 18:56:44

Quote from: maru on 2013-09-17, 10:00:51

Yes, but it's not that kind of problem.

Maybe Rafpug is right it can be achieved with some blending magic.

Hi

...you are magical maru  *_*