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Thomas de Groot <tho### [at] degrootorg> wrote:
>
> Is there a reason for this behaviour?
>
My guess is that there are some hard-coded values in the web-portal HTML/CSS
code (or whatever is used here), so that the preview does not extend outside of
a certain prescribed 'box-like' area.
I wonder if there is a similar kind of truncation of tall/skinny image posts?
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From: Cousin Ricky
Subject: Re: 4 color maps from Python's Matplotlib
Date: 30 Jan 2022 16:14:16
Message: <61f6ffa8@news.povray.org>
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On 2022-01-30 16:10 (-4), Kenneth wrote:
>
> I wonder if there is a similar kind of truncation of tall/skinny image posts?
One way to find out:
Post a reply to this message
Attachments:
Download 'tall.jpg' (15 KB)
Preview of image 'tall.jpg'
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From: Thomas de Groot
Subject: Re: 4 color maps from Python's Matplotlib
Date: 31 Jan 2022 03:20:04
Message: <61f79bb4@news.povray.org>
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Op 30-1-2022 om 22:14 schreef Cousin Ricky:
> On 2022-01-30 16:10 (-4), Kenneth wrote:
>>
>> I wonder if there is a similar kind of truncation of tall/skinny image posts?
>
> One way to find out:
And so there is indeed.
I guess this is because the image is posted in a newsgroup where they
are normally "not allowed" ?
--
Thomas
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Thomas de Groot <tho### [at] degrootorg> wrote:
>
> And so there is indeed.
>
> I guess this is because the image is posted in a newsgroup where they
> are normally "not allowed" ?
>
Nope; I took a look at one of my older oddly-shaped image posts in
binaries:images, and its preview is truncated there as well.
IIRC, I've also 'seen' previews there that had no visible preview at all; my
guess at the time was that the image was too hi-rez for the preview to deal
with, in some way. (?)
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Op 31-1-2022 om 12:45 schreef Kenneth:
> Thomas de Groot <tho### [at] degrootorg> wrote:
>>
>> And so there is indeed.
>>
>> I guess this is because the image is posted in a newsgroup where they
>> are normally "not allowed" ?
>>
>
> Nope; I took a look at one of my older oddly-shaped image posts in
> binaries:images, and its preview is truncated there as well.
>
> IIRC, I've also 'seen' previews there that had no visible preview at all; my
> guess at the time was that the image was too hi-rez for the preview to deal
> with, in some way. (?)
>
Weird. I would say this is *not* a correct behaviour, especially in
p.b.i. We should expect a complete reproduction of the render, whatever
its format, as this is an essential choice of the author.
Any ideas from those in charge? :-)
--
Thomas
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"Tor Olav Kristensen" <tor### [at] TOBEREMOVEDgmailcom> wrote:
> I've now made a GitHub repository with color maps for POV-Ray v3.7 from the
> Plasma, Inferno, Magma and Viridis color maps in Python's Matplotlib.
Those are really useful gradients. I used the Inferno one in a recent project
and learned a little about the way they were developed - it's fascinating. It
took me a while to find the data so your post is an excellent idea!
Kind regards,
Dave Blandston
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"Kenneth" <kdw### [at] gmailcom> wrote:
>
> Nope; I took a look at one of my older oddly-shaped image posts in
> binaries:images, and its preview is truncated there as well.
>
It occurred to me that there might be two different meanings of 'preview' here:
One is the little thumbnail-sized image that we see when we scroll through the
messages in the web-portal. That's the one that can be truncated. The other is
when we click on that thumbnail-- which brings up the full non-truncated image
in its own window.
Just to clarify ;-)
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Op 01/02/2022 om 21:10 schreef Kenneth:
> "Kenneth" <kdw### [at] gmailcom> wrote:
>>
>> Nope; I took a look at one of my older oddly-shaped image posts in
>> binaries:images, and its preview is truncated there as well.
>>
>
> It occurred to me that there might be two different meanings of 'preview' here:
> One is the little thumbnail-sized image that we see when we scroll through the
> messages in the web-portal. That's the one that can be truncated. The other is
> when we click on that thumbnail-- which brings up the full non-truncated image
> in its own window.
>
> Just to clarify ;-)
>
>
AHA! I almost choked on my morning frog pill!
I certainly mixed up the two 'meanings' of preview. I naively thought
that the thumbnail /always/ reproduced the full image; clearly not. No
matter. I can live with that. Just learned something new today. :-)
Thanks Kenneth!
--
Thomas
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"Dave Blandston" <IsN### [at] protonmailch> wrote:
> "Tor Olav Kristensen" <tor### [at] TOBEREMOVEDgmailcom> wrote:
> > I've now made a GitHub repository with color maps for POV-Ray v3.7 from the
> > Plasma, Inferno, Magma and Viridis color maps in Python's Matplotlib.
>
>
> Those are really useful gradients. I used the Inferno one in a recent project
> and learned a little about the way they were developed - it's fascinating. It
> took me a while to find the data so your post is an excellent idea!
Thank you Dave!
While experimenting with Python's matplotlib and some medical CT-scanned images,
I learned about the qualities of different color maps. Interesting stuff.
Now I hope that other POV-Ray people will find them useful.
--
Tor Olav
http://subcube.com
https://github.com/t-o-k
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Op 06/02/2022 om 19:13 schreef Tor Olav Kristensen:
> Now I hope that other POV-Ray people will find them useful.
>
Oh yes! One way or another they will find their way... if not only as
eye candy. :-)
Thanks for your efforts!
--
Thomas
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