Hi Daniel,
yep, I *do* load version 1.1 already... still colors appear not to respect
my order... :-(
rash*
Il giorno lunedì 27 aprile 2015 18:39:52 UTC+2, Daniel LaLiberte ha scritto:
>
> Filippo, there is a bug in the timeline chart which is fixed in 1.1. If
> you use google.load('visualization', '1.1', ....) you should see all the
> colors used.
>
> On Mon, Apr 27, 2015 at 12:19 PM, rashmani <[email protected]
> <javascript:>> wrote:
>
>> Uhm, maybe this was a bit too long-winded...
>> In case, I could rephrase it simpler like this: if I line up in two
>> arrays values and colors for a timeline chart, in synchronized order, why
>> my timeline bars do not use the color they're supposed to? Is the values
>> array passed to the timeline re-sorted somehow before displaying it?
>>
>> Cheers,
>> rash*
>>
>>
>>
>>
>> Il giorno sabato 18 aprile 2015 19:18:33 UTC+2, rashmani ha scritto:
>>>
>>> Hi there,
>>>
>>> I have a problem with custom coloring each bar in a timeline chart.
>>> I'm building two arrays in PHP like this, for column (bar) values and
>>> bar colors:
>>> // holds column headers and values
>>> $tl_series[] = array(
>>> array('type'=>'string', 'id'=>'Date'),
>>> array('type'=>'string', 'id'=>'Value'),
>>> array('type'=>'date', 'id'=>'Start'),
>>> array('type'=>'date', 'id'=>'End'),
>>> );
>>> // holds bar colors
>>> $tlc_series = array();
>>>
>>> Then I'm adding value columns like this:
>>> foreach ($timeline as $tl_date) {
>>> ....
>>> $tl_series[] = array($tl_label, $value, $startdate,
>>> $enddate);
>>> $tlc_series[] = <customized_color_hex_value>;
>>> }
>>>
>>> The column values array is then json encoded and passed to a scripted
>>> javascript function that builds the chart, like this:
>>> function drawChart' . $chart_id . '() {
>>> var data = google.visualization.arrayToDataTable(' .
>>> CJavaScript::jsonEncode($tl_series) . ');
>>> ...
>>>
>>> Finally, I use the $tlc_series colors array as value for timeline's
>>> colors option:
>>> ...
>>> 'colors' => CJavaScript::jsonEncode($tlc_series),
>>> ...
>>>
>>> I have varying number of values, from 2 up to 40, grouped by label and
>>> distributed between two dates (for those wondering, if any, I'm using YII
>>> to programmatically get data from MYSQL and draw charts).
>>>
>>> Obviously if I have N values, $tl_series will have N+1 elements while
>>> tlc_series color array will have N elements.
>>> In my thinking, element $tlc_series[0] should hold color for element
>>> $tl_series[1].
>>> But I'm wrong: not even a simple two values array looks fine.
>>> What should I do? I tried adding a dummy first element to colors array,
>>> without success.
>>> Is the value array somehow reordered when passed to arrayToDataTable or
>>> to the chart?
>>> How can I keep value and color arrays synchronized?
>>>
>>> Thanks for any suggestion or idea,
>>> rash*
>>>
>>>
>>> --
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>
>
>
> --
> Daniel LaLiberte <https://plus.google.com/100631381223468223275?prsrc=2>
> - 978-394-1058
> [email protected] <javascript:> 5CC, Cambridge MA
> [email protected] <javascript:> 9 Juniper Ridge Road, Acton MA
>
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