(Line Chart) different colors for single line if above or below 50 on scale on 0/100?

[Richie Brereton]

Hi there,

              I was wondering if anyone would know how to do the following:

A standard line chart with a scale of 0 to 100, can I make the single line change color to red if below 50 and green for above 50?

I am pretty new to the Google Visual API.

cheers!

Rich

[Daniel LaLiberte]

Hi Richie,

We don't have support for styling the line based on whether it is above or below some value.  To do that properly, we would have to find the intersection point of the line with your threshold, which is certainly doable and perhaps some day we will get around to it.  

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Daniel LaLiberte

dlaliberte@Google.com   Cambridge MA

[Richie Brereton]

Hi Daniel,

                Thanks for getting back to me.

cheers

Richie

[Tony Goodchild]

As a workaround you could possibly run through the data and then plot as different datasets on the chart(one for values under the threshold and one above) assigning different colors to each.

[Richie Brereton]

Thanks Tony, I have instead done a transparent image overlay with the areas of interest a different colour which will work just as well.

cheers

Richie