Thanks Tom! That pretty much did it. The data labels for 0 values are still
there, but I'm ok with that!
On Tuesday, March 19, 2013 10:11:33 AM UTC-4, Tom Rybka wrote:
>
> Pie Charts are a little odd, they're not meant to show values < 0.
>
> However, you've passed in chds=-1.667,100 which is resetting the minimum
> (which for Pie, should be 0), thus making 0 be "larger."
>
> If you either remove chds, or make it chds=0,X where X is 100 or
> something, then you should be fine.
>
> On Tuesday, March 19, 2013 8:11:04 AM UTC-4, Sam Evans-Brown wrote:
>>
>> Hey all,
>>
>> I'm using an application named TileMill to visualize some data as a map.
>> TileMill can link to the Google Charts API to create interactivity. All is
>> well except for when some of the data fields have a zero value. When that
>> happens the API draws that "slice" into the pie chart anyway, even though
>> it should not be there (see the attached screenshot). Is there a way to
>> conditionally code the API so that it doesn't draw a value in when it's a
>> zero?
>>
>> Pasted below is the code that I'm putting into TileMill. the {{{}}}
>> signifiers are my data "tokens" that pull data from my
>> shapefile/spreadsheet. All of them contain a zero for certain towns on the
>> map.
>>
>> Any suggestions?? A thousand thanks to whichever kind souls help me out!
>>
>>
>>
>> <img src="http://chart.googleapis.com/chart?chs=307x250
>> &cht=p
>> &chco=A2C180
>> &chds=-1.667,100
>>
>> &chd=t:{{{PctWasteWa}}},{{{PctSewerRe}}},{{{PctNewSewe}}},{{{PctCSO}}},{{{PctStormwa}}}
>>
>> &chdl=Waste+Water+Treatment|Sewer+Rehab|New+Sewers|Combined+Sewer+Overflow|Stormwater&chp=0.033
>> &chl=
>> {{{PctWasteWa}}}|{{{PctSewerRe}}}|{{{PctNewSewe}}}|{{{PctCSO}}}|{{{PctStormwa}}}
>> &chtt=Water+Needs+By+Type" width="307" height="225" alt="Water Needs By
>> Type" />
>>
>
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