Hi Jakub,

Thanks for sharing it.
Were they created with KiCad? How are you creating the POV-ray file and what 
manual operations do you need ?

Not taking in account the anti-aliasing and the image resolution, IMO you can 
get already similar or better (depends on personal preferences) renders than 
your examples.

But AFAIK POV-ray have another rendering engines (as options) that can produce 
more realist results.
How long your examples took to render?

If you are an expert in POV-ray format, maybe you can in future implement a 
POV-ray exporter for KiCad ;)

Regards,
Mario Luzeiro
________________________________________
From: Jakub Kozdon [[email protected]]
Sent: 20 June 2016 19:27
To: Mário Luzeiro
Cc: [email protected]
Subject: Re: [Kicad-developers] 3D-Viewer - Request for merge evaluation

Hi Mário,

I think that setup should be simple. So maybe something as Antialiasing: none, 
low, medium, high; Shadows: checkbox; Reflections: checkbox. All with simple 
hover help which explain that setting right this value will make render to take 
longer/shorter time.

Yes. Examples are attached. Sorry for huge size.

No, flyes, but I used it only for detailed inspection after render (because 
moving of board in POV-Ray is not WYSIWYG and need to edit "source code" before 
rendering to move board).

Jakub

Dne 19.6.2016 v 20:41 Mário Luzeiro napsal(a):

Hi Jakub, Cirilo,

I made some (little) improvements of the anti-aliasing. (== slower render)
Would you like to try it?

My approach was been try to give the best apparent quality result without 
compromise much the render time.

Depending on the feedback of future users and how would like more to setup more 
parameters, a different dialogue (eg: as it was suggested by Cirilo) can be 
developed.
However, I believe most of users will not understand that parameters, that is 
why there is already a "back to defaults" button.

At moment the anti-aliasing is made on two stages (with different passes) but 
they are all adaptive. For instance, it will only "smooth" the edges of the 
image and not all pixels. That means in some cases it will miss tiny lines 
(missed by initial ray shooting)

More options can be added latter for more quality or different render results, 
but they will all mean more time to render!

Jakub: Do you have any examples to share rendered with POV-ray?



And option for exporting bigger (or smaller) images than actual window 
resolution?


This will need some work and I dont want to change things too much by now.
Are you planning printing outdoor flyers from KiCad ? :P

Cirilo: I found on your image, as you are using just grey colour models, that 
the render does not look good to me. I made some changes that I believe it will 
look better. Could you take a similar shot and send it to me so compare? (using 
latest updates from my branch)


Mario

________________________________________
From: Cirilo Bernardo 
[[email protected]<mailto:[email protected]>]
Sent: 16 June 2016 00:05
To: Mário Luzeiro
Cc: [email protected]<mailto:[email protected]>; 
[email protected]<mailto:[email protected]>
Subject: Re: [Kicad-developers] 3D-Viewer - Request for merge evaluation

Would it be possible to put in a quality setting (more rendering passes)?
For me there are many artefacts in the rendered image compared to OpenGL.
These include:

+ broken silk lines
+ staircase effect on lines


________________________________________
From: Jakub Kozdon [[email protected]<mailto:[email protected]>]
Sent: 18 June 2016 20:33
To: Mário Luzeiro
Cc: 
[email protected]<mailto:[email protected]>
Subject: Re: [Kicad-developers] 3D-Viewer - Request for merge evaluation

About visual results, can you add settings similar to POV-Ray, especially for 
antaliasing [2]? And option for exporting bigger (or smaller) images than 
actual window resolution? I used POV-Ray only to render, so if similar renders 
will be possible in KiCad so it will be sufficient for me. Only one "advanced" 
feature I used in POV-Ray was possibility to render more images in row with 
slightly different coordinates, I used this for making videos. So I think that 
POV-Ray exporter will be unnecessary for now.




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