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Robert L Krawitz | 1 May 2005 01:59
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Re: background colors

   Date: Sat, 30 Apr 2005 18:49:05 -0500
   From: Wayne Smith <tuxrocks <at> cox.net>

   No problem.  If I could be of service running some test prints for
   you, just let me know.

Unfortunately, it's going to require a lot of trial and error, and I
pretty much need to do interactively.

   By the way, do you have a guess as to which media type would be the
   best to select for using DuraBrite paper?  Just any of the glossy
   settings?  I did discover that the quality of the prints noticeably
   improved when I started using DuraBrite paper (as opposed to Kodak)

No; I don't have any of that paper to try.

--

-- 
Robert Krawitz                                     <rlk <at> alum.mit.edu>

Tall Clubs International  --  http://www.tall.org/ or 1-888-IM-TALL-2
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Project lead for Gimp Print   --    http://gimp-print.sourceforge.net

"Linux doesn't dictate how I work, I dictate how Linux works."
--Eric Crampton

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Robert L Krawitz | 1 May 2005 04:28
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Re: background colors

   Date: Sat, 30 Apr 2005 16:36:19 -0500
   From: Wayne Smith <tuxrocks <at> cox.net>

   Robert L Krawitz wrote:

   >   From: Wayne and Jen <wnj92996 <at> cox.net>
   >   Date: Tue, 26 Apr 2005 22:07:24 -0500
   >
   >   I have got most of the colors where I want them, but I seem to be having 
   >   problems with some of my backgrounds.  Specifically, a couple of shots 
   >   in my living room.  Some of the background objects, the curtains 
   >   specifically, have not come out correctly, and I can't seem to get them 
   >   to no matter what I try.  They seem mostly to have too much green,  Some 
   >   of the foreground colors seem a little "washed out", but I recently 
   >   turned down my gamma and set color correction to "off", and that seemed 
   >   to remedy that problem. 
   >
   >   Any ideas on how to possibly fix the colors of the curtains?
   >
   >   For reference, I made some 300 dpi scans:
   >
   >   wife and baby printed in windows:  
   >   http://members.cox.net/tuxrocks/windows.png
   >   wife and baby printed w/gutenprint:  
   >   http://members.cox.net/tuxrocks/linux.png
   >   wife and baby, photo on computer:  
   >   http://members.cox.net/tuxrocks/dcp_1116.jpg
   >   another pic printed w/gutenprint for comparison:  
   >   http://members.cox.net/tuxrocks/linux_2.png
   >
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Wayne Smith | 1 May 2005 02:26
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Re: background colors

Robert L Krawitz wrote:
>    Date: Sat, 30 Apr 2005 18:49:05 -0500
>    From: Wayne Smith <tuxrocks <at> cox.net>
> 
>    No problem.  If I could be of service running some test prints for
>    you, just let me know.
> 
> Unfortunately, it's going to require a lot of trial and error, and I
> pretty much need to do interactively.

I figured so, but when you mentioned it being so similar to the C8x 
series, I thought your starting point might be copying it's settings to 
the CX6600.  If that were true, I was just offering to try it and give 
some informal initial feedback.  After I sent the response, I thought to 
myself:  It's probably not that easy!

>    By the way, do you have a guess as to which media type would be the
>    best to select for using DuraBrite paper?  Just any of the glossy
>    settings?  I did discover that the quality of the prints noticeably
>    improved when I started using DuraBrite paper (as opposed to Kodak)
> 
> No; I don't have any of that paper to try.
> 
I really didn't see a whole lot of difference between the various 
"glossy" media type settings when printing all output to one brand of 
paper, but I thought I would ask anyway...

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Wayne Smith | 1 May 2005 04:47
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Re: background colors

Robert L Krawitz wrote:
>    Date: Sat, 30 Apr 2005 16:36:19 -0500
>    From: Wayne Smith <tuxrocks <at> cox.net>
> 
>    Robert L Krawitz wrote:
> 
>    >   From: Wayne and Jen <wnj92996 <at> cox.net>
>    >   Date: Tue, 26 Apr 2005 22:07:24 -0500
>    >
>    >   I have got most of the colors where I want them, but I seem to be having 
>    >   problems with some of my backgrounds.  Specifically, a couple of shots 
>    >   in my living room.  Some of the background objects, the curtains 
>    >   specifically, have not come out correctly, and I can't seem to get them 
>    >   to no matter what I try.  They seem mostly to have too much green,  Some 
>    >   of the foreground colors seem a little "washed out", but I recently 
>    >   turned down my gamma and set color correction to "off", and that seemed 
>    >   to remedy that problem. 
>    >
>    >   Any ideas on how to possibly fix the colors of the curtains?
>    >
>    >   For reference, I made some 300 dpi scans:
>    >
>    >   wife and baby printed in windows:  
>    >   http://members.cox.net/tuxrocks/windows.png
>    >   wife and baby printed w/gutenprint:  
>    >   http://members.cox.net/tuxrocks/linux.png
>    >   wife and baby, photo on computer:  
>    >   http://members.cox.net/tuxrocks/dcp_1116.jpg
>    >   another pic printed w/gutenprint for comparison:  
>    >   http://members.cox.net/tuxrocks/linux_2.png
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Wayne Smith | 1 May 2005 01:49
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Re: background colors

snip...

Robert L Krawitz wrote:
>    >That printer (which is another variant on the C8x) hasn't been tuned
>    >for glossy paper.  I'll have to try to take a look at it.
> 
>    Thanks!  I have tried a couple of different types of paper, and
>    media type settings, since there isn't a media type setting
>    selection for DuraBrite paper.  I realize that the lighting on some
>    of my pictures (like the examples) isn't going to help matters, but
>    I am a little perplexed at why the color was so different from the
>    original picture, exagerrated in the background.  Still, great
>    work!  My wife got some prints from Wally world, and a couple of
>    pics I printed w/gutenprint look better than what we got back!
> 
> Unfortunately, my C80 is almost out of black ink, and I can't find
> another cartridge handy.  Furthermore, I seem to have some clogged
> cyan nozzles, so I'm going to need to clean it.  That's probably going
> to use up the last of the black ink, so I may not be able to shoot any
> more test prints, even though it doesn't use black ink on glossy
> paper.
> 

No problem.  If I could be of service running some test prints for you, 
just let me know.

By the way, do you have a guess as to which media type would be the best 
to select for using DuraBrite paper?  Just any of the glossy settings? 
I did discover that the quality of the prints noticeably improved when I 
started using DuraBrite paper (as opposed to Kodak)
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Wayne Smith | 1 May 2005 15:22
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Re: background colors

snip...

Robert L Krawitz wrote:
> I found another black cartridge.  Unfortunately, I still have some bad
> nozzles, so I can't get anything too accurate.  But it does look like
> the default settings are overall too dark and too green.  A couple of
> things I'd suggest:
> 
> 1) Use the high accuracy setting; you'll have other problems with the
>    uncorrected setting.
> 
> 2) Try a gamma of 1.1 or 1.2 (1.3 seems to be a bit too much), yellow
>    balance .8, and magenta balance .9 or thereabouts.
> 
> 3) Try reducing saturation a bit.
> 

Okay, I tried your suggestions, and some of the picture is improved. 
The curtains are largely unchanged, but matters are not helped by the 
color of my wall that straddles them.  They still look too green to me. 
  Also, my reds are just a little under-done.  The blues look much better.

I'm trying to get the hang of this subtractive color space.  If I want 
to take a little more green out, should I increase the magenta?  And if 
I want to increase the red component, should I decrease the cyan some? 
(Current balance settings: c=0.975, m=0.9, y=0.8)

I reduced the saturation to 0.9.  Is that about what you had in mind?

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Robert L Krawitz | 1 May 2005 15:30
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Re: background colors

   Date: Sun, 01 May 2005 08:22:44 -0500
   From: Wayne Smith <tuxrocks <at> cox.net>
   CC: gimp-print-devel <at> lists.sourceforge.net

   snip...

   Robert L Krawitz wrote:
   > I found another black cartridge.  Unfortunately, I still have some bad
   > nozzles, so I can't get anything too accurate.  But it does look like
   > the default settings are overall too dark and too green.  A couple of
   > things I'd suggest:
   > 
   > 1) Use the high accuracy setting; you'll have other problems with the
   >    uncorrected setting.
   > 
   > 2) Try a gamma of 1.1 or 1.2 (1.3 seems to be a bit too much), yellow
   >    balance .8, and magenta balance .9 or thereabouts.
   > 
   > 3) Try reducing saturation a bit.
   > 

   Okay, I tried your suggestions, and some of the picture is
   improved.  The curtains are largely unchanged, but matters are not
   helped by the color of my wall that straddles them.  They still
   look too green to me.  Also, my reds are just a little under-done.
   The blues look much better.

   I'm trying to get the hang of this subtractive color space.  If I
   want to take a little more green out, should I increase the
   magenta?  And if I want to increase the red component, should I
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regisr | 1 May 2005 16:51

Re: [photoprint] compiling 0.2.3

On Sat, 30 Apr 2005 23:20:44 +0100
"Alastair M. Robinson" <blackfive <at> fakenhamweb.co.uk> wrote:

> Yep - the comment at the top of rotatepixbuf.h explains the file's 
> purpose - but in short, libgdkpixbuf-2.6 includes the rotate function,
>  but previous versions don't.  I didn't want to depend on 2.6, so I 
> included the necessary function in photoprint as a stop-gap until 2.6 
> gets widespread exposure...

I read it in rotatepixbuf.cpp ;-) but I was nor sure to understand (my
english is poor).

> Does it still work if you just replace the
> #ifndef GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE
> with
> #ifndef GDK_PIXBUF_TRANSFORM_H

Yes! I can build it.
Now it is printing. But too blue. (If you have hints... May be the 
the blue and red ink usage should not to be at the default value? I need
to re-read the previous posts now). I am waiting for making new ICC
profile that the driver is not improved every second ;-)  for the R800.

> Sorry for the slow progress with PhotoPrint BTW - I am still working
> on  it, but I've had other things to do too...

We must to thank you for it and you don't have to be sorry (Is it a
correct sentence?).

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Jenny Drake | 1 May 2005 20:14

Banner printing on an Epson Stylus Color 3000.

I'm using the above printer with Linux Ubuntu 5.04. 

I'm trying to print a banner 250 cm long from the Gimp. I've been able
to set up the printer in the Gnome Cups manager, using either the
Gimp-Print driver, or the stcolor driver and have printer A4 and A2
sheets with great success. 

>From the Gimp I have set up Epson Stylus Color 3000 as the printer.
When printing from the Gimp I can select 13" wide roll paper as the
media size and roll feed as the media source, however the maximum length
of paper it will allow me is 44". Is there any way of increasing this to
allow me to run a 250cm banner in one go? Alternatively, are there other
ways of doing what I need? Say ghostscript command line printing a
postscript version of the image to the size I need. 

Thanks for any help with this.

Jen
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Robert L Krawitz | 1 May 2005 20:37
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Re: Banner printing on an Epson Stylus Color 3000.

   From: Jenny Drake <jennydrake <at> lineone.net>
   Date: Sun, 01 May 2005 19:14:40 +0100

   I'm using the above printer with Linux Ubuntu 5.04. 

   I'm trying to print a banner 250 cm long from the Gimp. I've been able
   to set up the printer in the Gnome Cups manager, using either the
   Gimp-Print driver, or the stcolor driver and have printer A4 and A2
   sheets with great success. 

   >From the Gimp I have set up Epson Stylus Color 3000 as the
   printer.  When printing from the Gimp I can select 13" wide roll
   paper as the media size and roll feed as the media source, however
   the maximum length of paper it will allow me is 44". Is there any
   way of increasing this to allow me to run a 250cm banner in one go?
   Alternatively, are there other ways of doing what I need? Say
   ghostscript command line printing a postscript version of the image
   to the size I need.

The limit coded in for that printer is 44".  This is based on what the
Epson manual states.  However, it should be possible to increase that
to 91", at least if you're printing at 360 DPI.  You can try it --
you'll need to modify the source code; search for "Stylus Color 3000"
in src/main/print-escp2-data.c, change INCH(44) to INCH(91), and
recompile.

So you've been able to print longer pages using Gimp-Print with the
CUPS driver?  That's interesting.

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