Try using even fewer rows for the ChartRangeFilter. Change the "10" in
this row:
if (!(i % 10)) {
to something larger (say, 20 to start). Keep experimenting until you find
something that works.
On Monday, September 3, 2012 4:40:31 AM UTC-4, Ji Joe wrote:
>
> Thank you very much!
> But the speed of changing range is still too low.The delay is very obvious
> when the number of the points is large.
> I dont know how to speed up the chart and make it more smooth when change
> the rangefilter state.
>
> 在 2012年8月31日星期五UTC+8下午11时43分11秒，asgallant写道：
>>
>> Ahh...the last row is probably missing from the rangeRows array. Try
>> building rangeRows like this instead:
>>
>> // use every 10th row for the rangeFilter
>> var rangeRows = [];
>> for (var i = 0; i < data.getNumberOfRows(); i++) {
>> if (!(i % 10)) {
>> rangeRows.push(i);
>> }
>> }
>>
>> // check to see if the last row is included
>> // if it isn't, add it
>> if (rangeRows[rangeRows.length - 1] != data.getNumberOfRows() - 1) {
>> rangeRows.push(data.getNumberOfRows() - 1);
>> }
>>
>> See it in action here: http://jsfiddle.net/asgallant/zRjX5/
>>
>> On Thursday, August 30, 2012 10:14:00 PM UTC-4, Ji Joe wrote:
>>>
>>> Thank yor for your advise.I did as your example. But when the chart
>>> showed, the first right ten points in the chart were missing. Are there
>>> any solutions for this problem?
>>>
>>> 在 2012年8月31日星期五UTC+8上午12时53分13秒，asgallant写道：
>>>>
>>>> Performance problems with the ChartRangeFilter are usually because the
>>>> data set contains a large number of rows of data. If you use a DataView
>>>> to
>>>> filter the data rows used by the filter, then you might fix the
>>>> performance
>>>> problem. Here's an example: http://jsfiddle.net/asgallant/zRjX5/
>>>>
>>>> On Thursday, August 30, 2012 3:48:02 AM UTC-4, Ji Joe wrote:
>>>>>
>>>>> I have painted some charts using google chart tools and it performs
>>>>> well in chrome ,firefox or other bowsers even in IE9. But when i make it
>>>>> run in IE8, it couldnot work.
>>>>> More specified , the chart with chartRangeFilter function usually do
>>>>> not work, sometimes it perfoms, but the range of the control is in mess
>>>>> ,and many options of chart are not work.
>>>>> sometimes it shows nothing and the ie warm jumps out to show my script
>>>>> is wrong .
>>>>> Other charts can perform but need a long time wait.
>>>>> The problem really confuse me.Thank you a lot if you could give me a
>>>>> help :-)
>>>>>
>>>>
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