javascript - Change dynamically option parameters of the Google Charts (Gauge Chart) -

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Is there any way to dynamically change the option parameter to the Goggles chart? (Google gauge chart in my case) I tried to use this variable, but without success: 

  var limit = 20; Var gauge option = {minimum: -15, max: 50, redform: range, red to: 40, minor ticks: 5}; ... ... ... gauge_temp.draw (gazetta, gauge option);

Here, I dynamically try to modify the "redFrom" option through the dynamic range. But the result is a gauge without the colors around a circle.

I want the user to configure gauge option directly from the web page as the color of the gauge segment (redFrom, yellowFrom, ...).


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