Re: [Gimp-user] lcd or crt monitor

2006-03-19 Thread Gilles Maltais




Gracia M. Littauer wrote:

  which is preferred for graphics? I've heard that lcd is not good.
  

In the past, CRT monitors were considered better because the displayed
gamut was wider, the color consistency (same color in different areas)
was better and greater resolutions were offered when compared to LCDs.
>From what I see, Apple is no longer offering CRT monitors, Viewsonic
has abandoned its CRT Professional series. Does this mean LCD monitors
are on par with CRTs ? LCDs are now a lot better than before, but
since I am not a professional user and I still use my CRT, I'd say as
long as you can have calibrated colors and controlled results through
the whole process (scan or photo shoot, image treatment, print) both
should be ok. I checked high-end LCD and low quality CRT and the LCD
was a clear winner on comfort even if refreshing rate of the CRT was
over 75 Hz.

BTW, are there any user of large recent Viewsonic LCD and CRT monitors
? I would also like to know your opinion.

Gilles Maltais


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Re: [Gimp-user] lcd or crt monitor

2006-03-19 Thread Akkana Peck
Gilles Maltais writes:
 In the past, CRT monitors were considered better because the displayed 
 gamut was wider, the color consistency (same color in different areas) 
 was better and greater resolutions were offered when compared to LCDs.  

For basic low-end displays (the ones you see on display in your
local computer store), all those differences are still true. But you
can get better resolution and better color in an LCD monitor if you
pay for it.

...Akkana
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[Gimp-user] Re: lcd or crt monitor

2006-03-19 Thread GSR - FR
Hi,
[EMAIL PROTECTED] (2006-03-18 at 1644.03 -0500):
 which is preferred for graphics? I've heard that lcd is not good.

High end CRTs (probably the only ones you can find now, and in 19-22
inches sizes, price 400-600 euros) have years of development behind
them, so if you do not mind the weight and power usage, they are a
good solution, and probably cheaper than equivalent LCDs. They have
good resolution for the size (and can work at different resolutions
without problems), colour is good, just make them run in 85-100Hz.

LCDs keep improving, but they are still are evolving and catching up
(you will probably find news about now with x% of NTSC color or
lots and lots of money for the medical series, for example), so do
not expect to get some cheap LCD and be as good as the CRTs still in
production (or stock, dunno if they are just running on big
stock). Even the expensive ones still have issues compared to CRTs,
and vendors just change the measure method to show they are better,
so take things with a grain of salt.

You better view them working, with videos and all kind of images (of
your own, preferably) before buying. Of course, if you want a 30, you
have to go with LCD.

GSR
 
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Re: [Gimp-user] lcd or crt monitor

2006-03-19 Thread Kocsis Antal
Hi!

I not tested today's best LCD monitors... but while there are
differences in colors while you move your head before an LCD monitor,
the CRT monitor is better for professional use!

Anti

On Sun, 2006-03-19 at 09:41 -0800, Akkana Peck wrote:
 Gilles Maltais writes:
  In the past, CRT monitors were considered better because the displayed 
  gamut was wider, the color consistency (same color in different areas) 
  was better and greater resolutions were offered when compared to LCDs.  
 
 For basic low-end displays (the ones you see on display in your
 local computer store), all those differences are still true. But you
 can get better resolution and better color in an LCD monitor if you
 pay for it.
 
   ...Akkana
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[Gimp-user] the difference between resoloution and size

2006-03-19 Thread udi koren
what is the difference between resoloution and size?
between a picture with height:100; width:100 and resolution:200 to height:100; width:100 and resolution:400 ?
Udi
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[Gimp-user] Re: the difference between resoloution and size

2006-03-19 Thread GSR - FR
Hi,
[EMAIL PROTECTED] (2006-03-19 at 2348.25 +0200):
 what is the difference between resoloution and size?
 between a picture with height:100; width:100 and resolution:200 to
 height:100; width:100 and resolution:400 ?
 Udi

Resolution is a hint for the real world print size and size is the
pixels you really have (assuming you are displaying width and height
in pixel units). So both have the same number of pixels, but one is
declared to be printed as 0.5 inch side square and the other as
0.25. Some people get really picky about the resolution being correct
so they know the print size without doing maths, and others think that
changing the number will do magic and give you a non pixelated print.

GSR
 
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Re: [Gimp-user] Re: the difference between resoloution and size

2006-03-19 Thread GSR - FR
Hi,
[EMAIL PROTECTED] (2006-03-19 at 2339.24 +0100):
 Hi!
 
 ... and is there any difference in picture if I set:
 
 100x100 in 400dpi
 or
 200x200 in 100dpi
 
 and make a print from it (in same size - 10cm x 10cm for example)?

Then it is not 400 or 100 DPI, but (rounding to 1 inch = 2.5 cm) a 4
inch print, so you have printed 100 pixels to 4 inches and 200 to 4
inches too, so that was 25 and 50 DPI. Maybe you are confused with the
printer's DPI (300, 720, 1440...) but those are not pixels, but ink
dots. The print system has to convert the file/screen pixels (think
about them like squares or rectangles with different levels of
intensity) to ink dots which are on or off (one level of intensity, so
the printer creates patterns of dots to simulate the intensity levels
when looked from far away).

 Thanks:
 Anti
 
 On Sun, 2006-03-19 at 23:10 +0100, GSR - FR wrote:
  Hi,
  [EMAIL PROTECTED] (2006-03-19 at 2348.25 +0200):
   what is the difference between resoloution and size?
   between a picture with height:100; width:100 and resolution:200 to
   height:100; width:100 and resolution:400 ?
   Udi
  
  Resolution is a hint for the real world print size and size is the
  pixels you really have (assuming you are displaying width and height
  in pixel units). So both have the same number of pixels, but one is
  declared to be printed as 0.5 inch side square and the other as
  0.25. Some people get really picky about the resolution being correct
  so they know the print size without doing maths, and others think that
  changing the number will do magic and give you a non pixelated print.
  
  GSR

GSR
 
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Re: [Gimp-user] Re: the difference between resoloution and size

2006-03-19 Thread scott s.

GSR - FR wrote:


Hi,
[EMAIL PROTECTED] (2006-03-19 at 2339.24 +0100):
 


Hi!

... and is there any difference in picture if I set:

100x100 in 400dpi
or
200x200 in 100dpi

and make a print from it (in same size - 10cm x 10cm for example)?
   



Then it is not 400 or 100 DPI, but (rounding to 1 inch = 2.5 cm) a 4
inch print, so you have printed 100 pixels to 4 inches and 200 to 4
inches too, so that was 25 and 50 DPI. Maybe you are confused with the
printer's DPI (300, 720, 1440...) but those are not pixels, but ink
dots. The print system has to convert the file/screen pixels (think
about them like squares or rectangles with different levels of
intensity) to ink dots which are on or off (one level of intensity, so
the printer creates patterns of dots to simulate the intensity levels
when looked from far away).

 

I have been trying to understand this better myself.  I couldn't find 
any good
help on it.  My goal was to determine the maximum size image in pixels 
that would
print exactly on a letter-size paper with no scaling.  I built a 
resolution test image
and found that the highest resolution that I could see a 1 pixel line on 
my printer
was about 150 pixel/inch.  This is on windows xp.  I see that in at 
least some file
formats, the resolution setting is saved in the metadata as dpi.  But 
when I print the
image using different applications, I get different results.  The apps 
seem to use or
package the data differently for the driver.  For example, one app has 
options in
the print dialog for fit pixels fit resolution and fit to page.  I 
haven't figured out
yet exactly what this does (other than fit to page obviously scales the 
data up or down

as required.

My printer also has a poster mode (2x2, 3x3,4x4).  As best I can determine
all this does is first scale the image to a single page in the app and then
the printer just zooms it (I don't know if it does any sort ot 
interpolation but I doubt it).


scott s.
.

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Re: [Gimp-user] Re: the difference between resoloution and size

2006-03-19 Thread Bob Long

On Monday, March 20, 2006 12:02 PM [GMT+1=CET],
scott s. [EMAIL PROTECTED] wrote:

[..]
I have been trying to understand this better myself.  I couldn't find any 
good help on it.


Although it focuses on scanning, this has an explantion of pixels, dpi, 
images, printing, etc.:

http://www.scantips.com/basics01.html

--
Bob Long
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Re: [Gimp-user] lcd or crt monitor

2006-03-19 Thread Tim Jedlicka
On 3/18/06, Gracia M. Littauer [EMAIL PROTECTED] wrote:
which is preferred for graphics? I've heard that lcd is not good.The Shootsmarter site has a decent article on comparing CRTs to LCDs.
http://www.shootsmarter.com/infocenter/wc041.html
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Re: [Gimp-user] Re: the difference between resoloution and size

2006-03-19 Thread udi koren
Thanks a lot to all of you
:-
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