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Re: [Gnuplot-info] problem with legend in svg pie-chart
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From: David L. <da...@la...> - 2015-03-16 20:42:05
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On Mon, 16 Mar 2015, Ethan Merritt wrote:
>> anyone have any idea what's going wrong here?
>
> You have told gnuplot to plot with "lc variable", which means
> "interpret the final using spec as a palette color". That's fine for
> the plot itself.
>
> But how are you expecting the program to know what color you want in
> the key sample?
> You have made three plots, each containing multiple colors. The key
> sample for each plot can only be one color, so where would this come
> from? I don't actually know myself, but in any case I don't see how
> it can be expected to come out as some particular color among the
> several that appear in the corresponding plot.
>
> I haven't had time to seriously look at this. There may or may not be
> a simple way to do what you want, but at the moment I (like the
> program itself) don't exactly know what that is.
all three graphs contain the same data elements, therefor the same colors
(moderate is always the column 4, severe is always column 5 critical is always
6)
Is there any way to specify what colors are used for the keys?
I'd be happy to let it default on the colors, but fear was that it would end up
doing each graph as a different set of colors.
Or am I just on the wrong track for the way to generate these graphs?
I'm trying to make a pie graph for each row in the file, using the columnheaders
for the names of each section.
David Lang
> On Mon, Mar 16, 2015 at 12:58 PM, David Lang <da...@la...> wrote:
>> ping,
>>
>> anyone have any idea what's going wrong here?
>>
>> David Lang
>>
>> On Mon, 9 Mar 2015, David Lang wrote:
>>
>>> Date: Mon, 9 Mar 2015 15:11:22 -0700 (PDT)
>>> From: David Lang <da...@la...>
>>> To: gnu...@li...
>>> Subject: Re: [Gnuplot-info] problem with legend in svg pie-chart
>>>
>>> Doing some more digging, I'm finding that the colors used for the key legend are
>>> not the colors used for the linetype definitions that are used to make the graph
>>>
>>> I changed the lines to
>>> set linetype 1 lc "purple" lw 5 pt 3 ps 3
>>> set linetype 2 lc "green" lw 5 pt 3 ps 3
>>> set linetype 3 lc "yellow" lw 5 pt 3 ps 3
>>> set linetype 4 lc "blue" lw 5 pt 3 ps 3
>>> set linetype 5 lc "orange" lw 5 pt 3 ps 3
>>> set linetype 6 lc "red" lw 5 pt 3 ps 3
>>> set linetype 7 lc "brown" lw 5 pt 3 ps 3
>>> set linetype 8 lc "gold" lw 5 pt 3 ps 3
>>> set linetype 9 lc "cyan" lw 5 pt 3 ps 3
>>> set multiplot
>>>
>>> plot for [i=4:6] "site_summary.data" u (x+column(0)*250):(y):(r):(360*(sum
>>> [col=4:(i-1)] column(col))/(sum [col=4:6] column(col))):(360*(sum [col=4:i]
>>> column(col))/(sum [col=4:6] column(col))):(i) title columnhead(i) with circles
>>> lc var
>>>
>>> and while the pie segments are blue, orange, and red. the legend colors are
>>> brown, gold, gold
>>>
>>> so why is the key showing different color codes than what was used to make the
>>> graphs
>>>
>>> and why is color 8 used twice?
>>>
>>> David Lang
>>>
>>>
>>>
>>>
>>> On Mon, 9 Mar 2015, David Lang wrote:
>>>
>>>> I'm using the following script to generate pie charts for each line in a file.
>>>> The problem is that the legend at the bottom ends up just having three solid
>>>> black circles instead of colored circles.
>>>>
>>>> I'm using gnuplot v5.0 (compiled from source)
>>>>
>>>> What can I do to fix this?
>>>>
>>>>
>>>> linecount = "`cut -f 1 -d '|' site_summary.data |uniq| sed s/$/' '/ |wc -l`"
>>>> sitecount = value("linecount")-1
>>>> set term svg size (sitecount * 250),300 dynamic noenhanced
>>>> unset tics
>>>> unset border
>>>> unset colorbox
>>>> set key autotitle columnheader
>>>> set key center bottom horizontal samplen 5
>>>> set xrange [-(125*sitecount):(125*sitecount)]
>>>> set yrange [-150:150]
>>>> set angles degree
>>>> x=0
>>>> y=0
>>>> r=100.0
>>>> set datafile separator "|"
>>>> set style fill transparent solid 1.0 noborder
>>>> set linetype 1 lc "green" lw 5 pt 3 ps 3
>>>> set linetype 2 lc "blue" lw 5 pt 3 ps 3
>>>> set linetype 3 lc "orange" lw 5 pt 3 ps 3
>>>> set linetype 4 lc "red" lw 5 pt 3 ps 3
>>>> set multiplot
>>>>
>>>> plot for [i=4:6] "site_summary.data" u (x+(column(0)-1)*250):(y):(r):(360*(sum [col=4:(i-1)] column(col))/(sum [col=4:6] column(col))):(360*(sum [col=4:i] column(col))/(sum [col=4:6] column(col))):(i-2) title columnhead(i) with circles lc var
>>>> plot for [i=4:6] "" u (x+(column(0)-1)*250+(r*1.1)*cos(360*((sum [col=4:(i-1)] column(col))+ column(i)/2.0)/(sum [col=4:6] column(col)))):(y+(r*1.1)*sin(360*((sum [col=4:(i-1)] column(col))+ column(i)/2.0)/(sum [col=4:6] column(col)))):i with labels notitle
>>>> plot "" skip 1 u (x+(column(0)-1)*250):(y+(r*1.5)):1 with labels notitle
>>>> plot "" skip 1 u (x+(column(0)-1)*250):(y+(r*1.3)):(gprintf("~%.0f systems",$3)) with labels notitle
>>>>
>>>>
>>>> example data
>>>>
>>>> Site|Date|Systems|Moderate|Severe|Critical
>>>> Corp|2015-03-01|700|9000|2000|500
>>>> DC1|2015-03-01|500|6000|400|60
>>>> DC1|2015-03-01|300|5000|300|50
>>>>
>>>>
>>>>
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>>>
>>> ------------------------------------------------------------------------------
>>> Dive into the World of Parallel Programming The Go Parallel Website, sponsored
>>> by Intel and developed in partnership with Slashdot Media, is your hub for all
>>> things parallel software development, from weekly thought leadership blogs to
>>> news, videos, case studies, tutorials and more. Take a look and join the
>>> conversation now. http://goparallel.sourceforge.net/
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>>
>> ------------------------------------------------------------------------------
>> Dive into the World of Parallel Programming The Go Parallel Website, sponsored
>> by Intel and developed in partnership with Slashdot Media, is your hub for all
>> things parallel software development, from weekly thought leadership blogs to
>> news, videos, case studies, tutorials and more. Take a look and join the
>> conversation now. http://goparallel.sourceforge.net/
>> _______________________________________________
>> gnuplot-info mailing list
>> gnu...@li...
>> Membership management via: https://lists.sourceforge.net/lists/listinfo/gnuplot-info
>
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