Hi All,

I'd like to draw a stacked column chart which would show both positive and 
negative values of the same data over a period of time using a 
ControlWrapper.

Using the following data table, I almost get there but negative values are 
not under the positive but next to them (see attached image):

{"cols":[
{"id":"","label":"","pattern":"","type":"date","p":{}},
{"id":"","label":"Initiator","pattern":"","type":"number"},
{"id":"","label":"Enforcer","pattern":"","type":"number","p":{}},
{"id":"","label":"CR / Ethics / 
Governance","pattern":"","type":"number","p":{}},
{"id":"","label":"Promoting Int. Labor 
Standards","pattern":"","type":"number","p":{}},
{"id":"","label":"Improving factory 
conditions","pattern":"","type":"number"}],

"rows":[
{"c":[{"v":"Date(2014, 1, 
1)","f":"2014"},{"v":1,"f":null},{"v":0,"f":null},{"v":2,"f":null},{"v":1,"f":null},{"v":1,"f":null}]},
{"c":[{"v":"Date(2014, 1, 
1)","f":null},{"v":-2,"f":null},{"v":-3,"f":null},{"v":-1,"f":null},{"v":0,"f":null},{"v":0,"f":null}]}]
,"p":null}

<https://lh4.googleusercontent.com/-vEZnwUFgBk0/UwVyZnEoKpI/AAAAAAAAAPI/-khHtpOue4w/s1600/charts_negative.jpg>


Any idea how to achieve this ?
Thanks for your help


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