Hi Bill,

Thanks again for your continous search to bring an answer at the continous questions of the Guide users :-)
But, all in all, your last paragraph, and the hopes it contains is very very interesting.

Bertrand

----- Original Message -----
From: Bill J Gray
To: guide-user@yahoogroups.com
Sent: Monday, June 18, 2007 9:11 PM
Subject: Re: [guide-user] drawing of ellipses through .tdf


Hi Bertrand,

Sorry, yes, you're right; one can set the color for galaxies
and the other built-in TDF types in the manner you suggest. I
briefly thought one might be able to set a dashed or dotted style
for the galaxies with something like

type 7 # Type 7 = draw as ellipse
type C00ff00;s1;

...with the second line meaning "set color 00ff00, or pure green;
and line style 1, dashes." It doesn't work that way, though.

I could probably adjust ellipses quickly enough so that they follow
the 'style' setting. But I'd prefer a more general solution: one
where you can design a symbol and have it stretched and tilted to
follow the major axis, minor axis, and position angle of the galaxy
or other object, with styles preserved. I expect I'll wait and
implement this more complete solution, rather than just add in
a hack to allow dashed ellipses.

Thus, one could have (say) dust clouds shown as tilted dashed
rectangles, and barred galaxies drawn with a special symbol, and
so on. It could be quite useful, I think.

-- Bill





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