POV-Ray : Newsgroups : povray.advanced-users : Rendering map of a scene? Server Time
23 Nov 2024 15:56:06 EST (-0500)
  Rendering map of a scene? (Message 1 to 4 of 4)  
From: Mike Horvath
Subject: Rendering map of a scene?
Date: 14 Sep 2015 23:42:20
Message: <55f7939c$1@news.povray.org>
Is there a way to get an image of which parts of a render took the most 
time? Maybe blue for fast areas and red for slow areas? Does this make 
sense?


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From: Cousin Ricky
Subject: Re: Rendering map of a scene?
Date: 15 Sep 2015 00:40:00
Message: <web.55f7a00fb0ea7a6fdb6413070@news.povray.org>
Mike Horvath <mik### [at] gmailcom> wrote:
> Is there a way to get an image of which parts of a render took the most
> time? Maybe blue for fast areas and red for slow areas? Does this make
> sense?

There used to be a CPU utilization histogram feature in POV-Ray, but they have
removed it in 3.7 for some reason.


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From: Alain
Subject: Re: Rendering map of a scene?
Date: 16 Sep 2015 19:34:11
Message: <55f9fc73$1@news.povray.org>
Le 15-09-14 23:42, Mike Horvath a écrit :
> Is there a way to get an image of which parts of a render took the most
> time? Maybe blue for fast areas and red for slow areas? Does this make
> sense?

In version 3.6, there was an hystogram option. It would output a gray 
scale image showing time to render a block. Could be set to some 
arbitrary block size down to per pixel.
It was removed from 3.7, possibly/maybe related to the added support for 
multiple CPU and cores.


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From: Mr
Subject: Re: Rendering map of a scene?
Date: 17 Sep 2015 04:05:03
Message: <web.55fa732eb0ea7a6f16086ed00@news.povray.org>
Alain <kua### [at] videotronca> wrote:
> Le 15-09-14 23:42, Mike Horvath a écrit :
> > Is there a way to get an image of which parts of a render took the most
> > time? Maybe blue for fast areas and red for slow areas? Does this make
> > sense?
>
> In version 3.6, there was an hystogram option. It would output a gray
> scale image showing time to render a block. Could be set to some
> arbitrary block size down to per pixel.
> It was removed from 3.7, possibly/maybe related to the added support for
> multiple CPU and cores.

That sounds like such a cool feature!


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