Brilliant!  I suppose I can split the data into two series instead...

Thanks!!!

On Wednesday, August 9, 2017 at 11:19:33 AM UTC-4, Daniel LaLiberte wrote:
>
> You have two rows with the same date: 
>
> {
>     c: [{
>       v: new Date(2017,7),
>       f: "8/2017"
>     }, {
>       v: 11855
>     }, {
>       v: 9508
>     }, {
>       v: null
>     }, {
>       v: true
>     }]
>   }
>
> This causes the calculation of the minimum distance between data values to 
> be 0, so the minimum bar width is used.  Since duplicated domain values 
> would actually take up no more space, I'll make a change to ignore the 
> duplicates. But for now, you'll have to remove the duplicates.
>
>
> On Wed, Aug 9, 2017 at 10:48 AM, vlad <vzel...@gmail.com <javascript:>> 
> wrote:
>
>> Thank you Daniel, once again for helping!
>>
>> I have applied both of your suggestions, and I am able to zoom in without 
>> trouble displaying all 12 months on minor axes.
>>
>> I am still, however, having problem with bar width, even after using a 
>> hack to convert all the "Date(YYYY, MM)" values to new Date(YYYY, MM) 
>> inside JS.
>>
>> Incidentally, the DataTable object does not seem to have trouble parsing 
>> JSON string dates and treating them as Date objects.  Something else is off.
>>
>> My Fiddle updates:  https://jsfiddle.net/vzelenko/jbgw8tew/4/
>>
>> Regards,
>>
>> - vlad
>>
>> On Tuesday, August 8, 2017 at 6:47:28 PM UTC-4, Daniel LaLiberte wrote:
>>>
>>> Hi Vlad,
>>>
>>> For the second problem, you need to do a couple things.  There is a 
>>> hidden option, minWeakLineDistance, which is probably set by default to a 
>>> bad value.   Set it to a smaller number, and then you will be able to see 
>>> some closer minor gridlines. 
>>>
>>> hAxis: { 
>>>     gridlines: {
>>>         minWeakLineDistance: 5, 
>>>         ...
>>> }}
>>>
>>> But you'll also have to allow zooming in closer, by changing the 
>>> maxZoomIn option.
>>>
>>> explorer: {
>>>       maxZoomIn: 0.09
>>> }
>>>
>>> For the first problem, there appears to be a bug regarding the fact that 
>>> your date values are in string notation.  All the bars have the smallest 
>>> width possible, which suggests it can't compute the distance between the 
>>> values properly.  If you convert them into JavaScript dates, that use new 
>>> Date(...), then the widths of bars will be larger. 
>>>
>>> However, you may notice that the space between bars will not be 
>>> uniform.  This may be due to the fact that date values are not evenly 
>>> distributed.  I'll have to investigate that at some point.
>>>
>>> On Tue, Aug 8, 2017 at 5:27 PM, vlad <vzel...@gmail.com> wrote:
>>>
>>>> Hi, I have built a column chart with large number of data points in a 
>>>> date series.  
>>>>
>>>> I activated pan/zoom and showing the years on the Major Grid and Months 
>>>> on the Minor.
>>>>
>>>> I have two primary issues with my result:
>>>>
>>>>
>>>>    1. Inability to set displayed column width ( there is an option
>>>>    bar:{groupWidth:'95%'}
>>>>    enabled, but it does not appear to fill the white space, especially 
>>>>    on the Zoom)
>>>>    2. I cannot get the chart to display all of the months once zoomed 
>>>>    in.  This is less important than (1)
>>>>    
>>>> Any help or guidance in solving these is much appreciated.
>>>>
>>>> The JSFiddle Demo <https://jsfiddle.net/vzelenko/jbgw8tew/> illustrates 
>>>> the issue.
>>>>
>>>>
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>>>
>>>
>>>
>>> -- 
>>> Daniel LaLiberte <https://plus.google.com/100631381223468223275?prsrc=2>
>>> dlali...@google.com   5CC, Cambridge MA
>>>
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>
>
>
> -- 
> Daniel LaLiberte <https://plus.google.com/100631381223468223275?prsrc=2>
> dlali...@google.com <javascript:>   5CC, Cambridge MA
>

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