Thanks, it looks much better already.
But you are right, maybe it's better if I explain what this data represents
and what I have to plot.
- The points represents measurements
- The continuous line represents the *trend*, which is calculated with a
simple formula: for the point x_i we have
t_i = t_{i-1} + [(x_i-t_{i-1})/10] (where [y] denotes the nearest
integer to y)
So the trend is basically some sort of approximation of the points if you
will.. but I want it to look a little better than straight lines (my goal
is this:
https://lh5.ggpht.com/EngXiQ-nWdjW2TnawAQKDPr_khndiMrqnZwTRhImmEGgZ1x4Htla71fakeA40emt4EU).
So, that's the reason why I didn't think interval would work for me (I had
stumbled upon that solution), they are not exactly error bars; but I agree
that maybe putting one of the extreme values of the interval as the trend
value (depending if it's above or below) and the other one to the point
value, it would produce a somewhat of a neat result.
Thanks for your help.
2013/3/17 asgallant <[email protected]>
> The issue here is twofold:
>
> 1) In the line, there are 3 consecutive, identical (x, y) pairs at every
> point, so a best-fit curve produces straight lines like you see.
> 2) The typical way to fix this would be to null out two of the points and
> set the "interpolateNulls" option to true, but this causes the other series
> to draw lines where you don't want them.
>
> With some creative rearrangement, we can make this work:
> http://jsfiddle.net/asgallant/6r8MC/3/. The key here is to separate out
> the line series from the point series.
>
> It occurs to me, however, that there may be a simpler solution, depending
> on what these extra lines represent. Would something like
> this<https://developers.google.com/chart/interactive/docs/roles#intervalrole>work
> for you?
>
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