POV-Ray : Newsgroups : povray.windows : How to make the render window gradually appear over the previous render? Server Time: 18 Jun 2019 17:22:10 GMT
  How to make the render window gradually appear over the previous render? (Message 1 to 9 of 9)  
From: Unit Ball
Subject: How to make the render window gradually appear over the previous render?
Date: 4 Dec 2011 17:30:05
Message: <web.4edbadf7bfbfc4c498571ef0@news.povray.org>
Is there a way in Pov-Ray for Windows to have the render window appear
(gradually from top to bottom) over the previous render (at least when they both
have the same resolution)? The default behavior is that, when you hit render,
the previous render window (if open) disappears and the new one starts to appear
over an empty image (actually a checker pattern).

It would sometimes be very useful if the new render would appear over the
previous render so that one could more easily, and on the fly, observe changes
in the image. I think this would also make things like tracking the camera
movement at least a bit easier when searching for the best location for the
camera.


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From: Alain
Subject: Re: How to make the render window gradually appear over the previous render?
Date: 4 Dec 2011 18:38:21
Message: <4edbbe1d@news.povray.org>
Le 2011/12/04 12:29, Unit Ball a écrit :
> Is there a way in Pov-Ray for Windows to have the render window appear
> (gradually from top to bottom) over the previous render (at least when they both
> have the same resolution)? The default behavior is that, when you hit render,
> the previous render window (if open) disappears and the new one starts to appear
> over an empty image (actually a checker pattern).
>
> It would sometimes be very useful if the new render would appear over the
> previous render so that one could more easily, and on the fly, observe changes
> in the image. I think this would also make things like tracking the camera
> movement at least a bit easier when searching for the best location for the
> camera.
>
>

No. At least, not for single scenes.

When you have an animation, the previous frame is not cleared when the 
new one starts.
This may be used to do something somewhat similar to what you describe.

You make your scene.
Start the render as an animation.
During the render, you do some editing or changes to the scene. Do NOT 
save during the parse phase, in some cases it /may/ cause some fatal error.
You must finish doing your changes and save before the next frame start 
rendering.


Alain


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From: Unit Ball
Subject: Re: How to make the render window gradually appear over the previous render=
Date: 4 Dec 2011 19:35:01
Message: <web.4edbcadd8f8056e698571ef0@news.povray.org>
> No. At least, not for single scenes.
>
Thanks. That's too bad, I hope someone capable could implement it. Just out of
curiosity, do you think such a thing would be hard to do? I might try the
animation trick, but for most test renders it's not that useful if I have to
make the changes before the render is done, I'm not that fast.


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From: Unit Ball
Subject: Re: How to make the render window gradually appear over the previous render=
Date: 5 Dec 2011 05:00:01
Message: <web.4edc4f54618e37ca98571ef0@news.povray.org>
Actually better yet if one could toggle between the last two renders (or the
last n renders).


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From: Darren New
Subject: Re: How to make the render window gradually appear over the previous render=
Date: 5 Dec 2011 06:11:35
Message: <4edc6097@news.povray.org>
On 12/4/2011 20:57, Unit Ball wrote:
> Actually better yet if one could toggle between the last two renders (or the
> last n renders).

Why not just save them to separate files? Open a windows "preview" window on 
it, and use the arrow keys to toggle back and forth? (Assuming you're using 
Windows here, of course.)

-- 
Darren New, San Diego CA, USA (PST)
   People tell me I am the counter-example.


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From: Unit Ball
Subject: Re: How to make the render window gradually appear over the previous render=
Date: 5 Dec 2011 12:05:00
Message: <web.4edcb1e4618e37ca98571ef0@news.povray.org>
> Why not just save them to separate files? Open a windows "preview" window on
> it, and use the arrow keys to toggle back and forth? (Assuming you're using
> Windows here, of course.)

Sure. I was just thinking of a simpler and perhaps a faster way of doing that
without ever leaving the editor. My guess is that it would also help new users,
encouraging them to play with different settings.
Having the previous render as a reference makes it easier to get a better sense
of what actually changed in the picture - this much seem obvious. The more I
think about it the more obvious it seems to me that there should be button for
this in the editor.

But off course what seems simple to some might seem unnecessary to others.
Paraphrasing Occam one might take the view that "buttons must not be multiplied
beyond necessity".


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From: Unit Ball
Subject: Re: How to make the render window gradually appear over the previous render=
Date: 5 Dec 2011 12:15:01
Message: <web.4edcb506618e37ca98571ef0@news.povray.org>
>
> Why not just save them to separate files? Open a windows "preview" window on
> it, and use the arrow keys to toggle back and forth? (Assuming you're using
> Windows here, of course.)

By the way is this "peek" option available in Vista or XP? I know Windows 7 has
it. At the moment I use Vista, but I newer use the Aero-theme or whatever it's
called because it slows thing down.


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From: Darren New
Subject: Re: How to make the render window gradually appear over the previous render=
Date: 5 Dec 2011 16:36:22
Message: <4edcf306@news.povray.org>
On 12/5/2011 4:11, Unit Ball wrote:
>
>>
>> Why not just save them to separate files? Open a windows "preview" window on
>> it, and use the arrow keys to toggle back and forth? (Assuming you're using
>> Windows here, of course.)
>
> By the way is this "peek" option available in Vista or XP?

I meant the preview window that you get when you just right-click an image 
and pick "preview". Apparently MS calls it the "picture and fax viewer". The 
built-in thing that lets you start a slide show. Save each picture to a 
successive name and arrow back and forth.

> I know Windows 7 has
> it. At the moment I use Vista, but I newer use the Aero-theme or whatever it's
> called because it slows thing down.

You must have an old old graphics card to notice being slowed down by 
compositing windows. :-)

-- 
Darren New, San Diego CA, USA (PST)
   People tell me I am the counter-example.


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From: Alain
Subject: Re: How to make the render window gradually appear over the previousrender=
Date: 9 Dec 2011 19:42:38
Message: <4ee264ae@news.povray.org>
Le 2011/12/05 11:36, Darren New a écrit :
> On 12/5/2011 4:11, Unit Ball wrote:
>>
>>>
>>> Why not just save them to separate files? Open a windows "preview"
>>> window on
>>> it, and use the arrow keys to toggle back and forth? (Assuming you're
>>> using
>>> Windows here, of course.)
>>
>> By the way is this "peek" option available in Vista or XP?
>
> I meant the preview window that you get when you just right-click an
> image and pick "preview". Apparently MS calls it the "picture and fax
> viewer". The built-in thing that lets you start a slide show. Save each
> picture to a successive name and arrow back and forth.
>
>> I know Windows 7 has
>> it. At the moment I use Vista, but I newer use the Aero-theme or
>> whatever it's
>> called because it slows thing down.
>
> You must have an old old graphics card to notice being slowed down by
> compositing windows. :-)
Old graphic card like what? AGP 1x? Older PCI card? Integrated video 
with shared memory? Wrong video drivers? NOT having hardware 
acceleration enabled?

>

I just hate the picture and fax viewer. It's quite heavy and slow to 
start, it takes a long time to load and display any image, and I don't 
like the interface.

I use IrfanView instead. Free for personal use, lightweight, load and 
display images in about any format in a snap, simple, sober interface.


Alain


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