Done. but there should me some mistakes somewhere. I cannot see anything
now.
Thanks for your help
2014-03-14 22:54 GMT+01:00 asgallant <drew_gall...@abtassoc.com>:
> There are a few problems with your code. First, you need to draw a chart
> using the DataView instead of the DataTable if you want to see the effects
> of the calculated column. Second, you create two views based on different
> DataTables, but give them the same variable name, so the second overwrites
> the first. Give the two views different names:
>
> var viewTot = new google.visualization.DataView(dataTot);
> view.setColumns([0, 1, {
> calc: "stringify",
> sourceColumn: 1,
> type: "string",
> role: "annotation"
> }, 2]);
>
> var viewDisp = new google.visualization.DataView(dataDisp);
> view.setColumns([0, 1, {
> type: 'string',
> role: 'style',
> calc: function (dt, row) {
> return (dt.getValue(row, 1) < 0) ? 'red' : 'green';
> }
> }]);
>
> Then use the views to draw the charts:
>
> chartDisp.draw(viewDisp, optionsDisp);
> chartTot.draw(viewTot, optionsTot);
>
> On Friday, March 14, 2014 4:23:18 PM UTC-4, Floriano Sabatini wrote:
>
>> Ciao Asgallant,
>> why it does,t work here. see the column graph
>> http://solarflor.dyndns.org/123solar/monitor_lite2.html
>>
>> what is wrong.
>> Thanks
>> Floriano
>>
>>
>> 2014-03-14 0:00 GMT+01:00 Floriano Sabatini <sabatini....@gmail.com>:
>>
>>> YES. This is the solution I was looking for.
>>> grazie 1000
>>>
>>> Floriano
>>>
>>>
>>> Il giorno giovedì 13 marzo 2014 22:49:20 UTC+1, asgallant ha scritto:
>>>
>>>> Use a "style" role column to set the color of each bar. Here's an
>>>> example: http://jsfiddle.net/asgallant/aFs9x/3/
>>>>
>>>>
>>>> On Thursday, March 13, 2014 5:46:00 PM UTC-4, Floriano Sabatini wrote:
>>>>>
>>>>> Dear all,
>>>>> I would like to use the column chart gouge with just one column that
>>>>> will represent the difference between Produced and Consumed energy. To be
>>>>> effective I need to have the colour of the column that change from green
>>>>> (if the value is positive) to red if it is negative.
>>>>>
>>>>> Is this something feasible?
>>>>> Many thanks
>>>>> Floriano
>>>>>
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