Posted by
Michael Schmid on
Sep 18, 2017; 1:53pm
URL: http://imagej.273.s1.nabble.com/question-about-plot-API-tp5019381p5019389.html
Hi Aryeh,
currently, the ImageJ Plot class only has CONNECTED_CIRCLES, no
CONNECTED_TRIANGLES, CONNECTED_CROSSES or so.
I don't think that connected dots would make much sense (the line would
hide the dots). One could think of connected boxes or diamonds [oops, I
just see that we even don't have plain diamonds yet!]
Beyond ImageJ, I have seen much more plots with connected circles
compared to other connected symbols, so I consider this not too bad a
choice.
Also, the CONNECTED_CIRCLES are still not as nice as those of some other
plotting programs; I think it would be nicer to have the lines end just
outside the circles, not go all the way to the centers (if I have much
time, maybe I'll change this). But what we have is better than nothing.
If you want, e.g., connected squares, you could plot the same data set
twice, once as squares (BOX), then as a line.
In any case, ImageJ is not a full-fledged plotting program; if you need
advanced plots you will still need Gnuplot, Grace, Veusz, etc, or the
expensive solution named Origin.
Michael
________________________________________________________________
On 18/09/2017 14:14, Aryeh Weiss wrote:
> I have not been able to figure out how to plot connected markers,
other than circles. For example:
>
> plt.addPoints(range(1,14), dsum, None, Plot.CONNECTED_CIRCLES, "Total
Area")
>
> adds a trace to plt. However, in another line, I have
>
> plt.addPoints(range(1,14),[x/tmp[0] for x in tmp], None, i%8 ,
"Track "+ str(i))
>
> where I use i%8 to cycle through the various markers (CROSS, DOT,
TRIANGLE, etc).
> and I would like to plot these connected, just like the connected
circles, but I cannot find the option to do that.
>
> A second question is how to use the labels that are in the last
argument of the addPoints command. I would like to put them in the
legend, but I do not see how to recover them in order to add them to the
addLegend command.
>
> Thanks in advance for any help on these issues.
>
> --aryeh
>
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