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spaced out commands in the README

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Dima Kogan 2010-07-31 21:39:40 -07:00
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@ -6,9 +6,11 @@ plots from data coming in on STDIN or given in a filename passed on the
commandline. Various data representations are supported, as is hardcopy commandline. Various data representations are supported, as is hardcopy
output and streaming display of live data. A simple example: output and streaming display of live data. A simple example:
seq 5 | awk '{print 2*$1, $1*$1}' | seq 5 | awk '{print 2*$1, $1*$1}' |
feedGnuplot.pl --lines --points --legend "data 0" --title "Test plot" --y2 1 feedGnuplot.pl --lines --points --legend "data 0" --title "Test plot" --y2 1
You should see a plot with two curves (one on the y1 axis and the other on You should see a plot with two curves (one on the y1 axis and the other on
the y2 axis), a legend and a title. The first line of the example generates the y2 axis), a legend and a title. The first line of the example generates
some data to plot and the second reads it in from STDIN and generates the some data to plot and the second reads it in from STDIN and generates the
@ -20,9 +22,11 @@ By default, the line number of the incoming data is used for the x-axis. To
plot an x-y dataset, feed in the x values as the first element in every line plot an x-y dataset, feed in the x values as the first element in every line
and pass in --domain. With the previous example: and pass in --domain. With the previous example:
seq 5 | awk '{print 2*$1, $1*$1}' | seq 5 | awk '{print 2*$1, $1*$1}' |
feedGnuplot.pl --domain --lines --points --legend "data 0" --title "Test plot" --y2 1 feedGnuplot.pl --domain --lines --points --legend "data 0" --title "Test plot" --y2 1
we get only one curve, with different x values. As many points as desired we get only one curve, with different x values. As many points as desired
can appear on a single line, but all points on a line are associated with can appear on a single line, but all points on a line are associated with
the X value that starts that line. the X value that starts that line.
@ -32,9 +36,11 @@ plotted, this is undesireable. With the --dataindex option, each point in
the input is preceded by an integer identifying the curve the point belongs the input is preceded by an integer identifying the curve the point belongs
to. With the previous example: to. With the previous example:
seq 5 | awk '{print 2*$1, $1*$1}' | seq 5 | awk '{print 2*$1, $1*$1}' |
feedGnuplot.pl --dataindex --lines --points --legend "data 0" --title "Test plot" --y2 1 feedGnuplot.pl --dataindex --lines --points --legend "data 0" --title "Test plot" --y2 1
we get 5 different curves with one point in each. The first column, as we get 5 different curves with one point in each. The first column, as
produced by awk, is '2,4,6,8,10'. These are interpreted as the indices of produced by awk, is '2,4,6,8,10'. These are interpreted as the indices of
the curves to be plotted. The feedGnuplot.pl script created 11 different the curves to be plotted. The feedGnuplot.pl script created 11 different