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-rw-r--r--src/client/northstar/dash-nodes/HistogramBinPrimitiveCollection.ts238
1 files changed, 238 insertions, 0 deletions
diff --git a/src/client/northstar/dash-nodes/HistogramBinPrimitiveCollection.ts b/src/client/northstar/dash-nodes/HistogramBinPrimitiveCollection.ts
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+++ b/src/client/northstar/dash-nodes/HistogramBinPrimitiveCollection.ts
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+import React = require("react")
+import { AttributeTransformationModel } from "../../northstar/core/attribute/AttributeTransformationModel";
+import { ChartType } from '../../northstar/model/binRanges/VisualBinRange';
+import { AggregateFunction, Bin, Brush, DoubleValueAggregateResult, HistogramResult, MarginAggregateParameters, MarginAggregateResult } from "../../northstar/model/idea/idea";
+import { ModelHelpers } from "../../northstar/model/ModelHelpers";
+import { LABColor } from '../../northstar/utils/LABcolor';
+import { PIXIRectangle } from "../../northstar/utils/MathUtil";
+import { StyleConstants } from "../../northstar/utils/StyleContants";
+import { HistogramBox } from "./HistogramBox";
+import "./HistogramBoxPrimitives.scss";
+
+export class HistogramBinPrimitive {
+ constructor(init?: Partial<HistogramBinPrimitive>) {
+ Object.assign(this, init);
+ }
+ public DataValue: number = 0;
+ public Rect: PIXIRectangle = PIXIRectangle.EMPTY;
+ public MarginRect: PIXIRectangle = PIXIRectangle.EMPTY;
+ public MarginPercentage: number = 0;
+ public Color: number = StyleConstants.WARNING_COLOR;
+ public Opacity: number = 1;
+ public BrushIndex: number = 0;
+ public BarAxis: number = -1;
+}
+
+export class HistogramBinPrimitiveCollection {
+ private static TOLERANCE: number = 0.0001;
+
+ private _histoBox: HistogramBox;
+ private get histoOp() { return this._histoBox.HistoOp; }
+ private get histoResult() { return this.histoOp.Result as HistogramResult; }
+ private get sizeConverter() { return this._histoBox.SizeConverter!; }
+ public BinPrimitives: Array<HistogramBinPrimitive> = new Array<HistogramBinPrimitive>();
+ public HitGeom: PIXIRectangle = PIXIRectangle.EMPTY;
+
+ constructor(bin: Bin, histoBox: HistogramBox) {
+ this._histoBox = histoBox;
+ let brushing = this.setupBrushing(bin, this.histoOp.Normalization); // X= 0, Y = 1, V = 2
+
+ brushing.orderedBrushes.reduce((brushFactorSum, brush) => {
+ switch (histoBox.ChartType) {
+ case ChartType.VerticalBar: return this.createVerticalBarChartBinPrimitives(bin, brush, brushing.maxAxis, this.histoOp.Normalization);
+ case ChartType.HorizontalBar: return this.createHorizontalBarChartBinPrimitives(bin, brush, brushing.maxAxis, this.histoOp.Normalization);
+ case ChartType.SinglePoint: return this.createSinglePointChartBinPrimitives(bin, brush);
+ case ChartType.HeatMap: return this.createHeatmapBinPrimitives(bin, brush, brushFactorSum);
+ }
+ }, 0);
+
+ // adjust brush rects (stacking or not)
+ var allBrushIndex = ModelHelpers.AllBrushIndex(this.histoResult);
+ var filteredBinPrims = this.BinPrimitives.filter(b => b.BrushIndex != allBrushIndex && b.DataValue != 0.0);
+ filteredBinPrims.reduce((sum, fbp) => {
+ if (histoBox.ChartType == ChartType.VerticalBar) {
+ if (this.histoOp.Y.AggregateFunction == AggregateFunction.Count) {
+ fbp.Rect = new PIXIRectangle(fbp.Rect.x, fbp.Rect.y - sum, fbp.Rect.width, fbp.Rect.height);
+ fbp.MarginRect = new PIXIRectangle(fbp.MarginRect.x, fbp.MarginRect.y - sum, fbp.MarginRect.width, fbp.MarginRect.height);
+ return sum + fbp.Rect.height;
+ }
+ if (this.histoOp.Y.AggregateFunction == AggregateFunction.Avg) {
+ var w = fbp.Rect.width / 2.0;
+ fbp.Rect = new PIXIRectangle(fbp.Rect.x + sum, fbp.Rect.y, fbp.Rect.width / filteredBinPrims.length, fbp.Rect.height);
+ fbp.MarginRect = new PIXIRectangle(fbp.MarginRect.x - w + sum + (fbp.Rect.width / 2.0), fbp.MarginRect.y, fbp.MarginRect.width, fbp.MarginRect.height);
+ return sum + fbp.Rect.width;
+ }
+ }
+ else if (histoBox.ChartType == ChartType.HorizontalBar) {
+ if (this.histoOp.X.AggregateFunction == AggregateFunction.Count) {
+ fbp.Rect = new PIXIRectangle(fbp.Rect.x + sum, fbp.Rect.y, fbp.Rect.width, fbp.Rect.height);
+ fbp.MarginRect = new PIXIRectangle(fbp.MarginRect.x + sum, fbp.MarginRect.y, fbp.MarginRect.width, fbp.MarginRect.height);
+ return sum + fbp.Rect.width;
+ }
+ if (this.histoOp.X.AggregateFunction == AggregateFunction.Avg) {
+ var h = fbp.Rect.height / 2.0;
+ fbp.Rect = new PIXIRectangle(fbp.Rect.x, fbp.Rect.y + sum, fbp.Rect.width, fbp.Rect.height / filteredBinPrims.length);
+ fbp.MarginRect = new PIXIRectangle(fbp.MarginRect.x, fbp.MarginRect.y - h + sum + (fbp.Rect.height / 2.0), fbp.MarginRect.width, fbp.MarginRect.height);
+ return sum + fbp.Rect.height;
+ }
+ }
+ return 0;
+ }, 0);
+ this.BinPrimitives = this.BinPrimitives.reverse();
+ var f = this.BinPrimitives.filter(b => b.BrushIndex == allBrushIndex);
+ this.HitGeom = f.length > 0 ? f[0].Rect : PIXIRectangle.EMPTY;
+ }
+
+ private setupBrushing(bin: Bin, normalization: number) {
+ var overlapBrushIndex = ModelHelpers.OverlapBrushIndex(this.histoResult);
+ var orderedBrushes = [this.histoResult.brushes![0], this.histoResult.brushes![overlapBrushIndex]];
+ this.histoResult.brushes!.map(brush => brush.brushIndex != 0 && brush.brushIndex != overlapBrushIndex && orderedBrushes.push(brush));
+ return {
+ orderedBrushes,
+ maxAxis: orderedBrushes.reduce((prev, Brush) => {
+ let aggResult = this.getBinValue(normalization, bin, Brush.brushIndex!);
+ return aggResult != undefined && aggResult > prev ? aggResult : prev;
+ }, Number.MIN_VALUE)
+ };
+ }
+
+ private createHeatmapBinPrimitives(bin: Bin, brush: Brush, brushFactorSum: number): number {
+
+ let unNormalizedValue = this.getBinValue(2, bin, brush.brushIndex!);
+ if (unNormalizedValue == undefined)
+ return brushFactorSum;
+
+ var normalizedValue = (unNormalizedValue - this._histoBox.ValueRange[0]) / (Math.abs((this._histoBox.ValueRange[1] - this._histoBox.ValueRange[0])) < HistogramBinPrimitiveCollection.TOLERANCE ?
+ unNormalizedValue : this._histoBox.ValueRange[1] - this._histoBox.ValueRange[0]);
+
+ let allUnNormalizedValue = this.getBinValue(2, bin, ModelHelpers.AllBrushIndex(this.histoResult))
+
+ // bcz: are these calls needed?
+ let [xFrom, xTo] = this.sizeConverter.DataToScreenXAxisRange(this._histoBox.VisualBinRanges, 0, bin);
+ let [yFrom, yTo] = this.sizeConverter.DataToScreenYAxisRange(this._histoBox.VisualBinRanges, 1, bin);
+
+ var returnBrushFactorSum = brushFactorSum;
+ if (allUnNormalizedValue != undefined) {
+ var brushFactor = (unNormalizedValue / allUnNormalizedValue);
+ returnBrushFactorSum += brushFactor;
+ returnBrushFactorSum = Math.min(returnBrushFactorSum, 1.0);
+
+ var tempRect = new PIXIRectangle(xFrom, yTo, xTo - xFrom, yFrom - yTo);
+ var ratio = (tempRect.width / tempRect.height);
+ var newHeight = Math.sqrt((1.0 / ratio) * ((tempRect.width * tempRect.height) * returnBrushFactorSum));
+ var newWidth = newHeight * ratio;
+
+ xFrom = (tempRect.x + (tempRect.width - newWidth) / 2.0);
+ yTo = (tempRect.y + (tempRect.height - newHeight) / 2.0);
+ xTo = (xFrom + newWidth);
+ yFrom = (yTo + newHeight);
+ }
+ var alpha = 0.0;
+ var color = this.baseColorFromBrush(brush);
+ var lerpColor = LABColor.Lerp(
+ LABColor.FromColor(StyleConstants.MIN_VALUE_COLOR),
+ LABColor.FromColor(color),
+ (alpha + Math.pow(normalizedValue, 1.0 / 3.0) * (1.0 - alpha)));
+ var dataColor = LABColor.ToColor(lerpColor);
+
+ this.createBinPrimitive(-1, brush, PIXIRectangle.EMPTY, 0, xFrom, xTo, yFrom, yTo, dataColor, 1, unNormalizedValue);
+ return returnBrushFactorSum;
+ }
+
+ private createSinglePointChartBinPrimitives(bin: Bin, brush: Brush): number {
+ let unNormalizedValue = this.getBinValue(2, bin, brush.brushIndex!);
+ if (unNormalizedValue != undefined) {
+ let [xFrom, xTo] = this.sizeConverter.DataToScreenPointRange(0, bin, ModelHelpers.CreateAggregateKey(this.histoOp.Schema!.distinctAttributeParameters, this.histoOp.X, this.histoResult, brush.brushIndex!));
+ let [yFrom, yTo] = this.sizeConverter.DataToScreenPointRange(1, bin, ModelHelpers.CreateAggregateKey(this.histoOp.Schema!.distinctAttributeParameters, this.histoOp.Y, this.histoResult, brush.brushIndex!));
+
+ if (xFrom != undefined && yFrom != undefined && xTo != undefined && yTo != undefined)
+ this.createBinPrimitive(-1, brush, PIXIRectangle.EMPTY, 0, xFrom, xTo, yFrom, yTo, this.baseColorFromBrush(brush), 1, unNormalizedValue);
+ }
+ return 0;
+ }
+
+ private createVerticalBarChartBinPrimitives(bin: Bin, brush: Brush, binBrushMaxAxis: number, normalization: number): number {
+ let dataValue = this.getBinValue(1, bin, brush.brushIndex!);
+ if (dataValue != undefined) {
+ let [yFrom, yValue, yTo] = this.sizeConverter.DataToScreenNormalizedRange(dataValue, normalization, 1, binBrushMaxAxis);
+ let [xFrom, xTo] = this.sizeConverter.DataToScreenXAxisRange(this._histoBox.VisualBinRanges, 0, bin);
+
+ var yMarginAbsolute = this.getMargin(bin, brush, this.histoOp.Y);
+ var marginRect = new PIXIRectangle(xFrom + (xTo - xFrom) / 2.0 - 1,
+ this.sizeConverter.DataToScreenY(yValue + yMarginAbsolute), 2,
+ this.sizeConverter.DataToScreenY(yValue - yMarginAbsolute) - this.sizeConverter.DataToScreenY(yValue + yMarginAbsolute));
+
+ this.createBinPrimitive(1, brush, marginRect, 0, xFrom, xTo, yFrom, yTo,
+ this.baseColorFromBrush(brush), normalization != 0 ? 1 : 0.6 * binBrushMaxAxis / this.sizeConverter.DataRanges[1] + 0.4, dataValue);
+ }
+ return 0;
+ }
+
+ private createHorizontalBarChartBinPrimitives(bin: Bin, brush: Brush, binBrushMaxAxis: number, normalization: number): number {
+ let dataValue = this.getBinValue(0, bin, brush.brushIndex!);
+ if (dataValue != undefined) {
+ let [xFrom, xValue, xTo] = this.sizeConverter.DataToScreenNormalizedRange(dataValue, normalization, 0, binBrushMaxAxis);
+ let [yFrom, yTo] = this.sizeConverter.DataToScreenYAxisRange(this._histoBox.VisualBinRanges, 1, bin);
+
+ var xMarginAbsolute = this.sizeConverter.IsSmall ? 0 : this.getMargin(bin, brush, this.histoOp.X);
+ var marginRect = new PIXIRectangle(this.sizeConverter.DataToScreenX(xValue - xMarginAbsolute),
+ yTo + (yFrom - yTo) / 2.0 - 1,
+ this.sizeConverter.DataToScreenX(xValue + xMarginAbsolute) - this.sizeConverter.DataToScreenX(xValue - xMarginAbsolute),
+ 2.0);
+
+ this.createBinPrimitive(0, brush, marginRect, 0, xFrom, xTo, yFrom, yTo,
+ this.baseColorFromBrush(brush), normalization != 1 ? 1 : 0.6 * binBrushMaxAxis / this.sizeConverter.DataRanges[0] + 0.4, dataValue);
+ }
+ return 0;
+ }
+
+ public getBinValue(axis: number, bin: Bin, brushIndex: number) {
+ var aggregateKey = ModelHelpers.CreateAggregateKey(this.histoOp.Schema!.distinctAttributeParameters, axis == 0 ? this.histoOp.X : axis == 1 ? this.histoOp.Y : this.histoOp.V, this.histoResult, brushIndex);
+ let dataValue = ModelHelpers.GetAggregateResult(bin, aggregateKey) as DoubleValueAggregateResult;
+ return dataValue != null && dataValue.hasResult ? dataValue.result : undefined;
+ }
+
+ private getMargin(bin: Bin, brush: Brush, axis: AttributeTransformationModel) {
+ var marginParams = new MarginAggregateParameters();
+ marginParams.aggregateFunction = axis.AggregateFunction;
+ var marginAggregateKey = ModelHelpers.CreateAggregateKey(this.histoOp.Schema!.distinctAttributeParameters, axis, this.histoResult, brush.brushIndex!, marginParams);
+ var marginResult = ModelHelpers.GetAggregateResult(bin, marginAggregateKey) as MarginAggregateResult;
+ return !marginResult ? 0 : marginResult.absolutMargin!;
+ }
+
+ private createBinPrimitive(barAxis: number, brush: Brush, marginRect: PIXIRectangle,
+ marginPercentage: number, xFrom: number, xTo: number, yFrom: number, yTo: number, color: number, opacity: number, dataValue: number) {
+ var binPrimitive = new HistogramBinPrimitive(
+ {
+ Rect: new PIXIRectangle(xFrom, yTo, xTo - xFrom, yFrom - yTo),
+ MarginRect: marginRect,
+ MarginPercentage: marginPercentage,
+ BrushIndex: brush.brushIndex,
+ Color: color,
+ Opacity: opacity,
+ DataValue: dataValue,
+ BarAxis: barAxis
+ });
+ this.BinPrimitives.push(binPrimitive);
+ }
+
+ private baseColorFromBrush(brush: Brush): number {
+ let bc = StyleConstants.BRUSH_COLORS;
+ if (brush.brushIndex == ModelHelpers.RestBrushIndex(this.histoResult)) {
+ return StyleConstants.HIGHLIGHT_COLOR;
+ }
+ else if (brush.brushIndex == ModelHelpers.OverlapBrushIndex(this.histoResult)) {
+ return StyleConstants.OVERLAP_COLOR;
+ }
+ else if (brush.brushIndex == ModelHelpers.AllBrushIndex(this.histoResult)) {
+ return 0x00ff00;
+ }
+ else if (bc.length > 0) {
+ return bc[brush.brushIndex! % bc.length];
+ }
+ // else if (this.histoOp.BrushColors.length > 0) {
+ // return this.histoOp.BrushColors[brush.brushIndex! % this.histoOp.BrushColors.length];
+ // }
+ return StyleConstants.HIGHLIGHT_COLOR;
+ }
+} \ No newline at end of file