IntervalElement.setStackNegative(boolean)
Specifies whether negative and positive values stack independently on opposite sides of the axis, or whether stacking is cumulative (i.e., determined arithmetically).
Parameters
boolean true: independent stack order for each group
false: single stack order for all groups
Note: Script that modifies 'graph' should be placed at the element level. See Adding Element-Level Script in Report Scripting and Adding Component Script in Dashboard Scripting for more information.
Example (Report or Viewsheet)
dataset = [["State","Quantity"],["NJ",200],["NJ",300],["NY",-300],["NY",100]];
graph = new EGraph();
var elem = new IntervalElement("State", "Quantity");
var scale = new LinearScale("Quantity");
var frame = new HeatColorFrame();
frame.setField("Quantity");
elem.setColorFrame(frame);
elem.setStackGroup(true);
elem.setStackNegative(false);
elem.setCollisionModifier(GraphElement.STACK_SYMMETRIC);
graph.addElement(elem);

See Also
DataSet, to use a Data Block or query as the dataset source.
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