Using gv to check your poster

In this document we'll assume your poster is called poster.eps and you are running gv from a DICE shell window.

gv does a pretty good job of showing you what your PostScript file will look like when sent to a printer. As printing A0 poster is expensive, £10 - £25, it is important to try and get it right first time. The EUCS will still charge you/us if your poster is the wrong scale/orientation, etc.

Configuring gv

The default settings for gv do not enable A0 sized paper, and the smallest display scaling, is probably not small enough for most screens, so the first thing to do is to add A0 to the list of media sizes, and add a new scaling option. Do this by running:

  gv poster.eps
And clicking on the State button, and selecting Setup Options ... from the menu.

screen shot of gv options menu

In the window that appears, click in the Scales panel, at the start of the line that begins "0.100, ", you should see the cursor marker there. Press RETURN and enter a new line containing:

  0.030,       0.030

Then in the Media Sizes panel, look for the lines:

  # A0,		2384	3370
  # A1,		1684	2384
  # A2,		1191	1684
(you may have to scroll the window). Click with your mouse just before the "A" character and delete the preceeding "#" and "space" characters for these three lines. So they end up looking like:
  A0,		2384	3370
  A1,		1684	2384
  A2,		1191	1684
Then click on the Apply, Save and Dismiss buttons.

screen shot of gv options window

Checking your poster

screen shot of
final gv window

Now that you've added the new media size, you should go to the Media Size button, which is the 6th button along the top of gv, and will probably have the text "BBox" or "Automatic" in it. Click on the button and change this to "A0". Then click on the Scale button, this is the 5th button along the top, and probably contains the text "1.00". Click on the button, and change the scale to "0.030". Finally make sure the Page Orientation is "Portrait", this is the 4th button along the top. You should now find your entire A0 size poster fills the page, and fits on your screen. Like this:

Note that it is likely your poster is actually designed for landscape, and so appears on it's side when viewed on the screen. This is OK, as this better emulates how it will come out of the printer. Obviously when it is on a piece of paper you can rotate it its correct orientation.

Possible problems

If you follow the steps above, and your poster doesn't fill the entire virtual A0 sheet of paper, or is misplaced on the paper, or the orientation is wrong, then it is most likely that it will also print like that, and so should not be sent to the printer, as it will be a waste of time and money.

[screen shots of typical issues to appear here soon]

Unfortunately there isn't a single command we can give here to fix things, as the cause could be for many reasons. Simply removing any of the intermediate generated latex files, and regenerating your poster may fix it, eg remove poster.eps, poster.dvi, poster.aux and then trying make scalea0 again may do it.

You may be able to coerce things with the epsffit command, see the man page, but perhaps try:

  epsffit -c -m 53 80 2328 3288 poster.eps poster-A0.eps
and then try using gv to check poster-A0.eps. If that's OK, then send the poster-A0.eps to the printer.

If that doesn't do it, then perhaps one of your peers could help, or try the support form, though that's not really their job.

Good luck!


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