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Alain wrote:
> Le 2010-08-28 07:59, Joost a écrit :
>> Hi,
>>
>> I've been hobbying a while now with POV-ray. I used to paint but
>> bumped into my
>> limitations a few years ago and very luckily found POV-ray. I've not
>> been a big
>> communicator on this site - I asked a few questions which were
>> answered (thanks
>> again), and I've been able to answer 1 (yes, one!!) question, but I
>> thought it
>> about time to post my images and get some feedback. They are on my sit
e:
>>
>> www.joostdevries.nl/en/
>>
>> All comments and suggestions welcome, Thanks, Joost
>>
>> PS I'm looking for some advice on printing them for a small exhibition
>> (and
>> uploading them to Zazzle and so). I'm using Gimp to add the text to my
>> images
>> and then save them as JPEG. Is there a best resolution for aprox A2
>> size? Or is
>> as high as possible the best??
>>
> To know the pixel size you required, you first need to know how large
> the image will be when printed, and you multiply that by the DPI settin
g
> of the print.
Note that for most printing methods, you don't even need that high
a resolution. That's because a printer "dot" cannot represent the
whole 16M colors that a pixel can, so you need several dots to
represent a single pixel. Therefore, you won't see any difference if
you divide the resolution by 2 to 4 from the DPI computed values.
Jerome
--
mailto:jeb### [at] free fr
http://jeberger.free.fr
Jabber: jeb### [at] jabberfr
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> You could render the framed image in a separate pass,
> basically loading the "painting" as an image_map. And
> rendering it with an orthographic camera together with
> frame and text. Also, screen.inc might come in handy.
> +fn set the output format to png.
> As you have large areas of uniform tint, you'll get a good compression
> ratio: Large image, small file.
That's a great solution, just what I'm looking for, I think! Hadn't thought of
those options. Then I don't have to drag images around through different
programs anymore (I was just getting used to that...).
@Sam & Thomas: Thanks!
@Nemesis, I've given the sun its reflection for the Ponte Vecchio. It indeed
missed that (I'm thinking now it probably also needs one or two wrinkles around
the boat to make it less artificial).
Joooost (pronounced Yoast, btw :)
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On 08/28/2010 06:59 AM, Joost wrote:
> about time to post my images and get some feedback. They are on my site:
>
> www.joostdevries.nl/en/
>
> All comments and suggestions welcome, Thanks, Joost
I like your pictures. And they look like they render quickly, so
rendering at size is the way to go.
>
> PS I'm looking for some advice on printing them for a small exhibition
> (and uploading them to Zazzle and so). I'm using Gimp to add the text
> to my images and then save them as JPEG. Is there a best resolution for
> aprox A2 size? Or is as high as possible the best??
Don't print your exhibition pictures at zazzle, you won't have enough
control. Visit a printer.
* The printer will print proofs for you, so don't worry about doing your
own cmyk conversion unless you're unhappy with the proofs.
* The printer will trim your prints.
* You can communicate with the printer to have the image printed at the
exact resolution you specify. I recommend asking the print be printed at
n-dpi rather than at nxn inches.
==> But you can't have anything printed yet. Here's the process:
1. Call the printer and ask for the max dpi and size limitations for
small and large-format prints. You probably want to find a printer who
does small-format prints at at least 300 dpi.
2. Now that you know your max paper size, go shopping for frames. This
may require reformatting some of your pictures. For instance, your
"Stockholm" picture with its label has an aspect ratio of about 5/3 and
a typical 4/3 aspect picture frame at 18"x24" (about A paper size) would
require a 4.5" mat or border to display that 5/3 image. That may be a
little more border than you like, but playing with the label spacing and
looking for larger frames can solve that problem.
3. Once you figure out your image length and height, render at exactly
the <=max dpi and take your image to the printer.
-Shay
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Shay <n@n.n> wrote:
> Don't print your exhibition pictures at zazzle, you won't have enough
> control. Visit a printer.
Looking at the difference in print sizes in Zazzle opossed to the frame sizes
commonly used in Europe (centimeters and A2 etc), that alone warrants that.
Luckily the borders give me enough room to play with to accomodate both.
not too expensive) way to print them. I'll have to get my head around dpi,
pixels, resolution etc. anyway (also reading Jeromes post).
Thanks for the advice.
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Greetings & welcome...
I have also been an infrequent communicator as of late as I resume my POV work
and work toward something I feel is genuinely worth sharing.
As a lover of pure geometry, I find your work quite appealing and intriguing. I
particularly like "Ponte Vecchio", as I feel it combines your personal style and
the capabilities of POV-ray in an interesting and pleasing way. As someone who
has tried many times to make the point that photo-realism is only one of many
styles of artwork that POV-Ray can be used to produce, your contribution to our
site warms my heart.
Now lets hold our breath and see how long it takes for someone to "suggest"
fog, area lights and radiosity. ;-)
Beautiful work; congrats.
Best Regards,
Mike C.
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Am 30.08.2010 18:53, schrieb Mike the Elder:
> Now lets hold our breath and see how long it takes for someone to "suggest"
> fog, area lights and radiosity. ;-)
Did someone mention my name? ;-)
Oh, but you forgot focal blur, photons, diffuse reflections... and
subsurface scattering of course :-P
But nay, I have spoken already, and deliberately refrained from
suggesting such things in this case.
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> On 08/28/2010 06:59 AM, Joost wrote:
>
>> about time to post my images and get some feedback. They are on my site:
>>
>> www.joostdevries.nl/en/
>>
>> All comments and suggestions welcome, Thanks, Joost
>
> I like your pictures. And they look like they render quickly, so
> rendering at size is the way to go.
>
>>
>> PS I'm looking for some advice on printing them for a small exhibition
>> (and uploading them to Zazzle and so). I'm using Gimp to add the text
>> to my images and then save them as JPEG. Is there a best resolution for
>> aprox A2 size? Or is as high as possible the best??
>
> Don't print your exhibition pictures at zazzle, you won't have enough
> control. Visit a printer.
>
> * The printer will print proofs for you, so don't worry about doing your
> own cmyk conversion unless you're unhappy with the proofs.
>
> * The printer will trim your prints.
>
> * You can communicate with the printer to have the image printed at the
> exact resolution you specify. I recommend asking the print be printed at
> n-dpi rather than at nxn inches.
>
> ==> But you can't have anything printed yet. Here's the process:
>
> 1. Call the printer and ask for the max dpi and size limitations for
> small and large-format prints. You probably want to find a printer who
> does small-format prints at at least 300 dpi.
>
> 2. Now that you know your max paper size, go shopping for frames. This
> may require reformatting some of your pictures. For instance, your
> "Stockholm" picture with its label has an aspect ratio of about 5/3 and
> a typical 4/3 aspect picture frame at 18"x24" (about A paper size) would
> require a 4.5" mat or border to display that 5/3 image. That may be a
> little more border than you like, but playing with the label spacing and
> looking for larger frames can solve that problem.
>
> 3. Once you figure out your image length and height, render at exactly
> the <=max dpi and take your image to the printer.
>
> -Shay
It's always possible to have custom sized frames to just about any
dimentions. Just a little shoping in the painting/artistic painters is
needed.
Alain
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> Greetings& welcome...
>
> I have also been an infrequent communicator as of late as I resume my POV work
> and work toward something I feel is genuinely worth sharing.
>
> As a lover of pure geometry, I find your work quite appealing and intriguing. I
> particularly like "Ponte Vecchio", as I feel it combines your personal style and
> the capabilities of POV-ray in an interesting and pleasing way. As someone who
> has tried many times to make the point that photo-realism is only one of many
> styles of artwork that POV-Ray can be used to produce, your contribution to our
> site warms my heart.
>
> Now lets hold our breath and see how long it takes for someone to "suggest"
> fog, area lights and radiosity. ;-)
>
> Beautiful work; congrats.
>
> Best Regards,
>
> Mike C.
>
>
>
Your style don't lend itself to things like fog or radiosity very well,
and I don't think that an area light would improve the result.
That said, some transparency could, in some cases, go well with that
style, but beware of overusing it.
Alain
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"Mike the Elder" <nomail@nomail> wrote:
> As a lover of pure geometry, I find your work quite appealing and intriguing. I
> particularly like "Ponte Vecchio", as I feel it combines your personal style and
> the capabilities of POV-ray in an interesting and pleasing way. As someone who
> has tried many times to make the point that photo-realism is only one of many
> styles of artwork that POV-Ray can be used to produce, your contribution to our
> site warms my heart.
be able to warm someones heart ;-)
> Beautiful work; congrats.
Thank you very much.
Alain <aze### [at] qwertyorg> wrote:
> It's always possible to have custom sized frames to just about any
> dimentions. Just a little shoping in the painting/artistic painters is
> needed.
Thanks for the tip, but sadly that also requires a much bigger wallet compared
Btw, rendering them with an image map and at high resolution with png as output
is working out perfectly.
Joost
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AS: Maybe too late, but as I disnt saw any comments from Joost about
what he finally choose...
On 08/28/2010 01:59 PM, Joost wrote:
> www.joostdevries.nl/en/
Really interesting use of povray! Loved it.
> PS I'm looking for some advice on printing them for a small exhibition (and
> uploading them to Zazzle and so). I'm using Gimp to add the text to my images
> and then save them as JPEG. Is there a best resolution for aprox A2 size? Or is
> as high as possible the best??
I would also emphasis about which matter you want to print on,
especially if for an art exhibition.
I would more likely go for some photographic paper or even tissues
instead of bare white 80g paper (look at what photography sites offers
not only at paper print companies). I will for sure be more expensive,
but the object will be far more present.
Yannick
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