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TGA Vs PNG

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yuvi rana
TGA Vs PNG
on Apr 9, 2017 at 12:48:45 pm

which format is better TGA or PNg??

We create Architectural walkthroughs ..

When we render image sequences out of 3ds Max with the intention of compositing and post producation to them in After Effects. Is there any reason to choose PNG over TGA. Still we are using TGA sequences.. so we should go for PNG or tga is good enough.


Thanks in advance.


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Tero Ahlfors
Re: TGA Vs PNG
on Apr 9, 2017 at 8:49:12 pm

PNGs are smaller but take longer to render. TGAs take more space but are faster to render. They should be similar quality wise.


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yuvi rana
Re: TGA Vs PNG
on Apr 14, 2017 at 5:55:00 pm

thanks all of u for ur time... one more thing i want to share we render uncompressed tga....


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Simon Ubsdell
Re: TGA Vs PNG
on Apr 9, 2017 at 9:20:22 pm

It depends if you are rendering compressed or uncompressed TGAs.

Uncompressed TGA will create larger filesizes than PNG (which uses lossless compression) but the quality should be indistinguishable.

Compressed TGA can be smaller than PNG but the quality is likely to be worse, possibly a lot worse, especially with photographic images.

Simon Ubsdell
tokyo productions
hawaiki


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Walter Soyka
Re: TGA Vs PNG
on Apr 10, 2017 at 7:32:35 pm

PNG can store 16 bit-per-channel images; TGA is limited to 8 bpc.

You could all-out and use a format like EXR which supports floating-point storage. Then, setting your Ae project to 32bpc, you can have a lot more control over your lighting. See more on high dynamic range here:
https://helpx.adobe.com/after-effects/using/color-basics.html

Walter Soyka
Designer & Mad Scientist at Keen Live [link]
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
@keenlive [twitter]   |   RenderBreak [blog]   |   Profile [LinkedIn]


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Simon Ubsdell
Re: TGA Vs PNG
on Apr 10, 2017 at 7:49:17 pm

I'll add an upvote for EXR - it's the option that makes the best sense for 3D renders, especially if you want to get into multi-pass. And the compression is very efficient.

TGA is a very antiquated option.

Simon Ubsdell
tokyo productions
hawaiki


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yuvi rana
Re: TGA Vs PNG
on Apr 14, 2017 at 5:50:54 pm

thanks for reply ...
actually open exr lil bit costly in rendering and heavy too for our system. so, png wil be best right?? we do post too in after effects after rendering in 3ds max .


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