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Re: Postscript plots squished and a plot tick problem. [message #16105 is a reply to message #15948]

Mon, 28 June 1999 00:00

Harald Frey
Messages: 41
Registered: March 1997

Member

Grady Daub wrote:

> When I make a postscript file with IDL, it thinks that the middle of the
> page is the bottom of the page. Is this a common problem?
>
> Also, there's another problem.
>
> Making line plots seems to have gone wrong. Even if I specify
> XTICKV,XTICKS,XTICKNAME,XRANGE, all that stuff, the first number is
> ALWAYS zero.
>
> I can't get any plot without the first value being zero. So, if I want a
> plot of (value) zero to whatever, it's ok, except if I want the first
> tick value to be, say, 10. What I get is a number 10 superimposed
> on-top-of a number zero ("0"). Kinda looks like a squished "100".
>
> If I set the first value to, say, 200 to 220, the 200-220 tickmarks are
> way over on the right of the plot and a zero is on the left end, like it
> thinks the plot should start at zero (which it's doing.). >:-<
>
> This is a new thing that JUST popped up and I've been doing nothin
> different.
> The only way to get rid of the zero is to set XTICKFORMAT not to display
> numbers, although, the plot still starts at zero.

1. As David already wrote, the default is the middle of the page and you
have to set the yoffset in the device command to the appropriate value.

2. You did not provide a sample program but what I assume happens here is
that you improperly use the xticks and xtichv in your call.

Just try this
a=findgen(20)+9.
plot,a,a,xticks=5,xtickv=findgen(6)*4+9

But if you try

plot,a,a,xticks=6,xtickv=findgen(6)*4+9

you will always start at 0 and in yout PS output x-values may be plotted
one on top of the other.

Harald Frey
hfrey@ssl.berkeley.edu

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[Message index]

		Postscript plots squished and a plot tick problem. By: Grady Daub on Sat, 26 June 1999 00:00
		Re: Postscript plots squished and a plot tick problem. By: Harald Frey on Mon, 28 June 1999 00:00
		Re: Postscript plots squished and a plot tick problem. By: davidf on Fri, 02 July 1999 00:00
		Re: Postscript plots squished and a plot tick problem. By: Grady Daub on Fri, 02 July 1999 00:00
		Re: Postscript plots squished and a plot tick problem. By: davidf on Fri, 02 July 1999 00:00
		Re: Postscript plots squished and a plot tick problem. By: Grady Daub on Fri, 02 July 1999 00:00

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