st: Documentation on scheme-files available yet?

[Ernest Berkhout <ernestb@seo.fee.uva.nl>]

Searching for a description of the format of the Stata8 scheme files on 
Statalist I did not find anything. The only contribution that comes close 
is one of Vince Wiggins dated April 8, 2003 in which he announced such 
documentation "within 3 weeks". Is it yet available already but did I miss 
it, or was Vince maybe a bit too optimistic? :-)


The reason I ask for this is because I came across two problems when I 
tried to make my own scheme (based on the Economist-scheme). In case the 
documentation is not yet available, does anyone out here on the list maybe 
have a guideline for me?

********************************************
PROBLEM 1:
I like to have a default gridline on the topvalue of axis, like one would 
specify separately as "ylabel(, gmax)".
My data values range from 4-15, but I extended the axis scale manually by 
adding:

        yscale(r(0 20))

Gridlines are plotted at yvalues of 5, 10 & 15, but not at 20. To achieve 
that by default, I explored the scheme and came up with the following 
entries that would be eligible:

	yesno extend_axes_full_low   yes   (this is default)
	yesno extend_axes_full_high  yes   (this is default also)
	yesno grid_draw_max          yes    (this is what I changed to "yes")

But, unfortunately, Stata still produces a graph without gridlines at the 
top-yvalue.
Of course it would be possible to manually specify "ylabel( 5 10 15 20)" 
but that would only be an adhoc solution for this particular problem, 
whereas it is more elegant to have a more comprehensive solution.
Is this possible?

***********************************************
PROBLEM 2:
I also fail to discover what setting I should use in the scheme file to 
produce small sized legends by default, as one does by specifying "legend( 
size (small) )". I fiddled around with

	gsize legend_key_xsize  6
	gsize legend_key_ysize  medium

but that didn't seem to do the trick. Do I have to look somewhere else?
**************************************************

Thanks in advance!

Ernest Berkhout
Stichting voor Economisch Onderzoek
Universiteit van Amsterdam

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