+ __legendFormatValueChartDecimalsLastMin = min;
+ __legendFormatValueChartDecimalsLastMax = max;
+
+ if(this.data !== null && this.data.min === this.data.max)
+ __legendFormatValueChartDecimals = -1;
+
+ else if(this.value_decimal_detail !== -1)
+ __legendFormatValueChartDecimals = this.value_decimal_detail;
+
+ else {
+ var delta;
+
+ if (min === max)
+ delta = Math.abs(min);
+ else
+ delta = Math.abs(max - min);