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| Re: adding legend to overlapping cghistoplot histograms [message #88059 is a reply to message #88058] |
Mon, 17 March 2014 08:10   |
Jahvasc
Messages: 9
Registered: March 2014
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Junior Member |
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Em segunda-feira, 17 de março de 2014 14h21min18s UTC+1, Matthew Argall escreveu:
> Can you give us an idea of what you are doing and what is going wrong? Perhaps include the program you wrote...
Ok, here is the program:
items=['Disk stars','Diskless stars']
if(kd ne !NULL) then $
cgHistoplot,P[kd],binsize=0.5,xrange=[0.,16.],$
max_value=maxvalue,$
/fill,polycolor=['light coral']
cgHistoplot,P[kdl],binsize=0.5,/oplot,$
xrange=[0.,16.],/fill,polycolor=['royal blue']
firstPlot=cgsnapshot()
cgHistoplot,P[kdl],binsize=0.5,xrange=[0.,16.],/fill,$
max_value=maxvalue,polycolor=['royal blue']
if(kd ne !NULL) then $
cgHistoplot,P[kd],binsize=0.5,/fill,$
/oplot,xrange=[0.,16.],polycolor=['light coral']
secondPlot=cgsnapshot()
cgBlendimage, firstPlot, secondPlot, ALPHA=0.75
AL_legend,items, PSym=16,charsize=1.,/window,$
SymSize=1, Color=['light coral','royal blue'],pos=[7.,15000]
Then I got the message "A cgwindow does not exist to add a command to". But I cannot figure out which options I should use in order to have the blending and the legend.
Thank you for your attention,
Jaqueline
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| Re: adding legend to overlapping cghistoplot histograms [message #88061 is a reply to message #88060] |
Mon, 17 March 2014 08:38 |
Jahvasc
Messages: 9
Registered: March 2014
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Junior Member |
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I did that, but then I got only the last item...
But the problem was that I was ill-defining the "items" parameter..
Sorry to take your time with such a silly question.
Thank you all,
Jaqueline
Em segunda-feira, 17 de março de 2014 16h30min59s UTC+1, David Fanning escreveu:
> Jahvasc writes:
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>> Then I got the message "A cgwindow does not exist to add a command to". But I cannot figure out which options I should use in order to have the blending and the legend.
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> Remove the WINDOW keyword on you AL_Legend command.
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> Cheers,
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> David
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> --
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> David Fanning, Ph.D.
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> Fanning Software Consulting, Inc.
>
> Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
>
> Sepore ma de ni thue. ("Perhaps thou speakest truth.")
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