[visualization-api] How is Scaling Set for Gauge Google Chart?

2015-06-11 Thread Tony Hunter
Hello, What is the math that calculates the scale/dial for the Google gauge chart? I'm trying to set the mid-point to a certain value, but it's a little tricky. From what I can see, the start and end points determine the scale, but I can't get the math down. I run into most of my issues

[visualization-api] Re: Gauge

2015-06-11 Thread Tony Hunter
I have the same question! Very difficult to figure out. On Tuesday, June 9, 2015 at 10:34:45 AM UTC-4, Leandro Medeiros wrote: Hi guiys, I would like to know how can I use negative and positive values in a gauge chart. Will be wonderfull if can I set the minus value as -20 and max as +20.