That's all good, but where would I go (in linux) to set this all up (I have
suse 9.1 professional). (I have an Ati 7200 video card)
This is what you said:
If you just change the 1024 and 768 to 720 and 480 you have a 720x480
active area with 1024x768 timings. Then you could use xvidtune to
adjust the sync starts and ends to center the image. That would
work for a CRT.
"Then you could use xvidtune... but I do not know how to change the 1024
and 768 to 720 and 480 before I could use xvidtune. Could you please
provide complete insturctions on how to attempt this. Without your
instructions I would know what to do, but not how to do it.
Thanks!
David
Original Message:
-----------------
From: Mark Vojkovich mvojkovi@xxxxxxxxxxx
Date: Wed, 25 Jan 2006 10:53:00 -0800 (PST)
To: dogcatcher@xxxxxxxx, xfree86@xxxxxxxxxxx
Subject: Re: GUI not working
On Mon, 23 Jan 2006, dogcatcher@xxxxxxxx wrote:
> thanks Mark, for replying, but one question remains. If I could get the
> computer to display the smaller version of normal output in the center of
> the screen, would it still be able to reach 1024 by 768 resolution.
It's not an analog display device so anything smaller than
fullscreen would be using less than 1024x768 pixels. If you're
connected to the monitor via a DVI connector, your graphics driver
may be able to center a smaller mode in the middle of the screen
(not all can, but some definitely can). If you're connected to
a VGA connector, I'm not sure. If it were a CRT, it would be
possible to display a mode in the center of the screen by playing
with modeline timings. That is, you could set up a mode that had
1024x768 timings but with a smaller active area. For your panel
it's less clear. You could send it 1024x768 timings with a smaller
active area, but it might do something "clever" like strip out the
black area and scale it up. You'd just have to try it.
A typical 1024x768 @ 60 Hz modeline looks like (generated by
'gtf 1024 768 60'):
# 1024x768 @ 60.00 Hz (GTF) hsync: 47.70 kHz; pclk: 64.11 MHz
Modeline "1024x768" 64.11 1024 1080 1184 1344 768 769 772 795
If you just change the 1024 and 768 to 720 and 480 you have a 720x480
active area with 1024x768 timings. Then you could use xvidtune to
adjust the sync starts and ends to center the image. That would
work for a CRT.
Mark.
> You see, I made a movie projector with an old overhead projector from
> school and and lcd screen (nec 1530v) and this screen has an auto resizer
> feature( which means that the screen automatically fits the video output
to
> its maximum suize. consequently, I have to use the xine (movie player)
> window and manually match the screen size perfectly to the square patch of
> light coming up through the lcd screen from the overhead projector. ( this
> "window of opportunity" is 24 cm diagonally in the center of the lcd
> screen). So If I could get the computer to display what would normally
take
> up the entire screen in this square (centered on the screen, sorry if I'm
> redundent), my troubles would be over. ( I would just load xine and hit
the
> fullscreen button and watch the movie.
>
> Can't wait to hear your reponse!
> David
>
> Original Message:
> -----------------
> From: Mark Vojkovich mvojkovi@xxxxxxxxxxx
> Date: Sat, 21 Jan 2006 12:59:00 -0800 (PST)
> To: xfree86@xxxxxxxxxxx
> Subject: Re: GUI not working
>
>
> It depends on whether you're using an analog (VGA) or
> digital (DVI) connection to the monitor. For analog, you
> can adjust that through modeline timings. xvidtune can
> help with that. For digital, it depends on the native
> resolution of the panel and the capabilities of the graphics
> driver. Some drivers support centering modes smaller than
> the panel's native resolution.
>
> Mark.
>
> On Fri, 20 Jan 2006, dogcatcher@xxxxxxxx wrote:
>
> > Hi ,got a question. how could you change the video out in linux so that
> > instead of full
> > screen (15 inches) it would display the desktop in a 24 cm box in the
> > center of the
> > screen. Sort of like a smaller version of the normal display centered on
> > the screen.
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