1 files changed, 90 insertions, 0 deletions
diff --git a/src/client/northstar/model/binRanges/QuantitativeVisualBinRange.ts b/src/client/northstar/model/binRanges/QuantitativeVisualBinRange.ts
new file mode 100644
index 000000000..80886416b
--- /dev/null
+++ b/src/client/northstar/model/binRanges/QuantitativeVisualBinRange.ts
@@ -0,0 +1,90 @@
+import { QuantitativeBinRange } from '../idea/idea'
+import { VisualBinRange } from './VisualBinRange';
+import { format } from "d3-format";
+
+export class QuantitativeVisualBinRange extends VisualBinRange {
+
+    public DataBinRange: QuantitativeBinRange;
+
+    constructor(dataBinRange: QuantitativeBinRange) {
+        super();
+        this.DataBinRange = dataBinRange;
+    }
+
+    public AddStep(value: number): number {
+        return value + this.DataBinRange.step!;
+    }
+
+    public GetValueFromIndex(index: number): number {
+        return this.DataBinRange.minValue! + (index * this.DataBinRange.step!);
+    }
+
+    public GetLabel(value: number): string {
+        return QuantitativeVisualBinRange.NumberFormatter(value);
+    }
+
+    public static NumberFormatter(val: number): string {
+        if (val === 0) {
+            return "0";
+        }
+        if (val < 1) {
+            /*if (val < Math.abs(0.001))  {
+                return val.toExponential(2);
+            }*/
+            return format(".3")(val);
+        }
+        return format("~s")(val);
+    }
+
+    public GetBins(): number[] {
+        let bins = new Array<number>();
+
+        for (let v: number = this.DataBinRange.minValue!; v < this.DataBinRange.maxValue!; v += this.DataBinRange.step!) {
+            bins.push(v);
+        }
+        return bins;
+    }
+
+    public static Initialize(dataMinValue: number, dataMaxValue: number, targetBinNumber: number, isIntegerRange: boolean): QuantitativeVisualBinRange {
+        let extent = QuantitativeVisualBinRange.getExtent(dataMinValue, dataMaxValue, targetBinNumber, isIntegerRange);
+        let dataBinRange = new QuantitativeBinRange();
+        dataBinRange.minValue = extent[0];
+        dataBinRange.maxValue = extent[1];
+        dataBinRange.step = extent[2];
+
+        return new QuantitativeVisualBinRange(dataBinRange);
+    }
+
+    private static getExtent(dataMin: number, dataMax: number, m: number, isIntegerRange: boolean): number[] {
+        if (dataMin === dataMax) {
+            // dataMin -= 0.1;
+            dataMax += 0.1;
+        }
+        let span = dataMax - dataMin;
+
+        let step = Math.pow(10, Math.floor(Math.log10(span / m)));
+        let err = m / span * step;
+
+        if (err <= .15) {
+            step *= 10;
+        }
+        else if (err <= .35) {
+            step *= 5;
+        }
+        else if (err <= .75) {
+            step *= 2;
+        }
+
+        if (isIntegerRange) {
+            step = Math.ceil(step);
+        }
+        let ret: number[] = new Array<number>(3);
+        let minDivStep = Math.floor(dataMin / step);
+        let maxDivStep = Math.floor(dataMax / step);
+        ret[0] = minDivStep * step; // Math.floor(Math.Round(dataMin, 8)/step)*step;
+        ret[1] = maxDivStep * step + step; // Math.floor(Math.Round(dataMax, 8)/step)*step + step;
+        ret[2] = step;
+
+        return ret;
+    }
+}
+\ No newline at end of file