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From: rfinch@caldwr.water.ca.gov (Ralph Finch)
Newsgroups: comp.lang.idl-pvwave
Subject: Getting axis output ranges
Message-ID: <267@locke.water.ca.gov>
Date: 4 Mar 91 19:31:45 GMT
Organization: Calif. Depart. of Water Resources, Sac.
Lines: 21


I need to get the actual (rounded) axis range of a second axis.  The
code fragment:

  plot,xrange=[0,max_nvals], yrange=[ymin1,ymax1], $
   good_valsx,values(good_vals),nsum=npts, ystyle=8, $
   title=ptitle, ytitle=all_c_parts(1),subtitle=f_part, xmargin=xmrgn,$
   xtickname=tick_lbl,xticks=nticks-1,xtickv=tick_vals, linestyle=np
  top1=!y.crange(1)
  bot1=!y.crange(0)
  axis, yaxis=1, yrange=[ymin2,ymax2], ytitle=all_c_parts(1)
  top2=!y.crange(1)
  bot2=!y.crange(0)

What I want is to save the range values of the second axis, generated
with the 'axis' command.  Unfortunately the above doesn't work.  Has
anybody figured this out?
-- 
Ralph Finch			916-445-0088
rfinch@water.ca.gov		...ucbvax!ucdavis!caldwr!rfinch
Any opinions expressed are my own; they do not represent the DWR