Method initSpec

packages/sanddance-specs/src/specBuilder.ts:279–340

(dataName: string)

    }

    private initSpec(dataName: string) {
        const { globalSignals } = this;
        const { facetAxesAdjustX, facetAxesAdjustY, minCellWidth, minCellHeight, plotOffsetLeft, plotOffsetBottom, plotOffsetTop, plotOffsetRight, plotHeightOut, plotWidthOut } = globalSignals;
        const { specContext } = this;
        const { insight } = specContext;
        const groupMark: GroupMark = {
            type: 'group',
            //style: 'cell',
            encode: {
                update: {
                    x: { signal: `${SignalNames.PlotOffsetLeft} - ${SignalNames.FacetAxesAdjustX}` },
                    y: { signal: SignalNames.PlotOffsetTop },
                    height: { signal: `${SignalNames.PlotHeightOut} - ${SignalNames.FacetAxesAdjustY}` },
                    width: { signal: `${SignalNames.PlotWidthOut} + ${SignalNames.FacetAxesAdjustX}` },
                },
            },
        };
        const inputDataname = 'input';
        const vegaSpec: Spec = {
            $schema: 'https://vega.github.io/schema/vega/v5.json',
            //style: 'cell',
            data: [{ name: inputDataname }, { name: dataName, source: inputDataname, transform: [] }],
            marks: [groupMark],
            signals: textSignals(specContext, SignalNames.ViewportHeight).concat([
                minCellWidth,
                minCellHeight,
                {
                    name: SignalNames.ViewportHeight,
                    update: `max(${SignalNames.MinCellHeight}, ${insight.size.height})`,
                },
                {
                    name: SignalNames.ViewportWidth,
                    update: `max(${SignalNames.MinCellWidth}, ${insight.size.width})`,
                },
                plotOffsetLeft,
                plotOffsetTop,
                plotOffsetBottom,
                plotOffsetRight,
                facetAxesAdjustX,
                facetAxesAdjustY,
                {
                    name: SignalNames.PlotHeightIn,
                    update: `${SignalNames.ViewportHeight} - ${SignalNames.PlotOffsetBottom} + ${SignalNames.FacetAxesAdjustY}`,
                },
                {
                    name: SignalNames.PlotWidthIn,
                    update: `${SignalNames.ViewportWidth} - ${SignalNames.PlotOffsetLeft} - ${SignalNames.PlotOffsetRight}`,
                },
                plotHeightOut,
                plotWidthOut,
                {
                    name: 'height',
                    update: `${SignalNames.PlotOffsetTop} + ${SignalNames.PlotHeightOut} + ${SignalNames.PlotOffsetBottom} - ${SignalNames.FacetAxesAdjustY}`,
                },
                {
                    name: 'width',
                    update: `${SignalNames.PlotWidthOut} + ${SignalNames.PlotOffsetLeft} + ${SignalNames.PlotOffsetRight}`,
                },