BMFHeatMapNode constructor
- {@required double intensity,
 - @required BMFCoordinate pt}
 
Implementation
BMFHeatMapNode({@required this.intensity, @required this.pt}) {
  this.intensity = this.intensity > 1 ? this.intensity : 1.0;
}
    BMFHeatMapNode({@required this.intensity, @required this.pt}) {
  this.intensity = this.intensity > 1 ? this.intensity : 1.0;
}