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Select only certain columns to plot using data header

 
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dcl9000



Joined: 28 Mar 2011
Posts: 24

PostPosted: Tue Nov 22, 2011 4:59 pm    Post subject: Select only certain columns to plot using data header Reply with quote

Hi!

Could you please implement a header command that tells DPlot to plot only certain selected columns when opening a data file? Instead of doing it manually using the "Pick Columns to Plot" check box, a command line in the header portion of a data file should let DPlot do it automatically. Such as this data file:
--------------------------------------------------------
Plot Title1
Plot Title2
Plot Title3

command header "X??YY"

X (nm) Y1 Y2 Y3 Y4
1.2, 1.4, 6, 9, 15
2.6, 4, 16.2 , 4, 2
3.9, 16.2, 9 , 12 , 10.2
--------------------------------------------------------

The command header "X??YY" tells DPlot to plot only the Y3 and Y4 columns but ignore Y1 and Y2 columns.

Thanks!
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DPlotAdmin
Site Admin


Joined: 24 Jun 2003
Posts: 2116
Location: Vicksburg, Mississippi

PostPosted: Tue Nov 22, 2011 5:16 pm    Post subject: Reply with quote

That would be easy enough for me, but for you... not so much. You'd presumably need to edit all the files you want to do this with, which doesn't sound pleasant to me.

You can do what you want with a ColumnsAre macro command and not require any changes to your data files. See http://www.dplot.com/help/index.htm?columnsarecommand.htm

For example ColumnsAre(0,1,3,4) will duplicate your example.
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dcl9000



Joined: 28 Mar 2011
Posts: 24

PostPosted: Wed Nov 23, 2011 5:14 pm    Post subject: Reply with quote

OK. That works for me. Thanks!
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