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Re: st: graphics complaints (Windows too)


From   "Airey, David C" <david.airey@Vanderbilt.Edu>
To   Statalist <statalist@hsphsun2.harvard.edu>
Subject   Re: st: graphics complaints (Windows too)
Date   Thu, 19 Nov 2009 10:58:48 -0600

.

I isolated this problem to the -gr tw function- command for Stata tech-support as well, and sent an email earlier.

The default is 300 points via -tw function-, but even n(1000) still quivers with sparks.

I have also felt that line pattern dash seems uneven relative to a solid pattern, and sometimes looks like rice have been glued to the screen by a child.

In any case I've sent a request in to Stata Corp tech support.

-Dave


> Dave wrote about Stata on OS X but I have a similar observation about
> Stata on Windows, specifically concerning -twoway function-.
> 
> A y=x line drawn with -twoway function- is not as straight as a line
> drawn with -twoway scatter, connect-. The difference can be
> illustrated with the following commands.
> 
> . clear
> . set obs 2
> . gen x = .
> . replace x = 0 in 1
> . replace x = 100 in 2
> . gen y = .
> . replace y = 0 in 1
> . replace y = 100 in 2
> . twoway (scatter y x, connect(l) clwidth(thin)) (function y=x+1,
> range(0 100) lwidth(thin)), aspect(1)
> 
> The -function- line is uneven and can indeed be described as "shocked
> with electricity", to use Dave's words. Is it possible to draw a
> -function- line as straight as a -scatter, connect- line?

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