As far as debugging goes, there isn't any "good" way that I have found,
other than familiarity with the API.
On Thursday, September 6, 2012 11:02:42 AM UTC-4, asgallant wrote:
>
> The correct way to specify column roles in JSON is in the column
> properties: "p: {role: "certainty"}", so your JSON should look like this:
>
> var grundJsonDataResultatrakning = {
> cols: [
> {type: 'number', p: {role: 'domain'}},
> {type: 'number', p: {role: 'data'}},
> {type: 'boolean', p: {role: 'certainty'}}
> ],
> rows: [
> {c: [{v: 1}, {v: 7}, {v: false}]},
> {c: [{v: 2}, {v: 8}, {v: false}]}
> ]
> };
>
> Technically, if you are returning that JSON from an AJAX request, all of
> the properties and all of the string should be enclosed with double-quotes
> to make it valid JSON, but it works fine as is for a test case.
>
> On Thursday, September 6, 2012 10:37:12 AM UTC-4, Bassa Safa wrote:
>>
>> I get a All series on a given axis must be of the same data type× when
>> adding Roles Certaintity. Probably something really simple that I have
>> missed... but 4 hours of trying with different possibilities im lost. It
>> works when I populate DataTable with "regular" data as in the playground.
>> But when populating with JSON it fails.
>>
>> As a related question? How do one debug "google chart" code?
>>
>> regards
>> bassa
>>
>>
>> function drawVisualization() {
>> // Create and populate the data table.
>>
>>
>> var grundJsonDataResultatrakning = {cols:[
>> {type:'number',role:'domain'},
>> {type:'number',role:'data'},
>> {type:'boolean',role:
>> 'certainty'}],
>> rows:[
>> {c:[{v:1},{v:7},{v:false}]},
>> {c:[{v:2},{v:8},{v:false}]}]};
>> var dataResultatrakning = new google.visualization.DataTable(
>> grundJsonDataResultatrakning);
>>
>> // Create and draw the visualization.
>> new google.visualization.LineChart(document.getElementById(
>> 'visualization')).
>> draw(dataResultatrakning , {curveType: "function",
>> width: 500, height: 400,
>> vAxis: {maxValue: 10}}
>> );
>> }
>
>
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