This visualization provides a simple, all purpose, staked bar.
SViz.loadViz("showStackedBar", "data.json", "#visualization", {title:false});
{ "calculated": {
    "cat1": 74,
    "cat2": 34,
    "cat3": 21
    ...
  }
}
| Name | Default Value | Description | 
|---|---|---|
| width | 150 | total width, including margins | 
| height | 150 | total height, including margins | 
| barHeight | 30 | bar height | 
| title | true | show title | 
| titleclass | h4 | css class for the title | 
| legend | true | show legend | 
| legendSelector | the original selector | the selector where the legend should be displayed |