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feat WIP: display lcms as a line spectrum
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Lan Le
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Aug 20, 2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,234 @@ | ||
| /* eslint-disable prefer-object-spread, no-mixed-operators */ | ||
| import { | ||
| InitScale, InitAxisCall, InitTip, | ||
| } from '../../helpers/init'; | ||
| import { | ||
| MountPath, MountGrid, MountAxis, MountAxisLabelX, MountAxisLabelY, | ||
| MountClip, MountMainFrame, MountTags, | ||
| } from '../../helpers/mount'; | ||
| import MountBrush from '../../helpers/brush'; | ||
| import { TfRescale, MountCompass } from '../../helpers/compass'; | ||
| import { LIST_LAYOUT } from '../../constants/list_layout'; | ||
|
|
||
| const d3 = require('d3'); | ||
|
|
||
| class LineFocus { | ||
| constructor(props) { | ||
| const { | ||
| W, H, clickUiTargetAct, selectUiSweepAct, scrollUiWheelAct, | ||
| } = props; | ||
|
|
||
| this.jcampIdx = 0; | ||
| this.rootKlass = '.d3Line'; | ||
| this.margin = { | ||
| t: 5, | ||
| b: 40, | ||
| l: 60, | ||
| r: 5, | ||
| }; | ||
| this.w = W - this.margin.l - this.margin.r; | ||
| this.h = H - this.margin.t - this.margin.b; | ||
| this.clickUiTargetAct = clickUiTargetAct; | ||
| this.selectUiSweepAct = selectUiSweepAct; | ||
| this.scrollUiWheelAct = scrollUiWheelAct; | ||
| this.brush = d3.brush(); | ||
| this.brushX = d3.brushX(); | ||
|
|
||
| this.axis = null; | ||
| this.path = null; | ||
| this.grid = null; | ||
| this.tags = null; | ||
| this.data = []; | ||
| this.tTrEndPts = null; | ||
| this.root = null; | ||
| this.svg = null; | ||
| this.axisCall = InitAxisCall(5); | ||
| this.pathCall = null; | ||
| this.tip = null; | ||
| this.factor = 0.125; | ||
| this.currentExtent = null; | ||
| this.shouldUpdate = {}; | ||
| this.layout = LIST_LAYOUT.H1; | ||
|
|
||
| this.getShouldUpdate = this.getShouldUpdate.bind(this); | ||
| this.resetShouldUpdate = this.resetShouldUpdate.bind(this); | ||
| this.setTip = this.setTip.bind(this); | ||
| this.setDataParams = this.setDataParams.bind(this); | ||
| this.create = this.create.bind(this); | ||
| this.update = this.update.bind(this); | ||
| this.setConfig = this.setConfig.bind(this); | ||
| this.drawLine = this.drawLine.bind(this); | ||
| this.drawGrid = this.drawGrid.bind(this); | ||
| this.onClickTarget = this.onClickTarget.bind(this); | ||
| this.isFirefox = typeof InstallTrigger !== 'undefined'; | ||
| } | ||
|
|
||
| getShouldUpdate() { | ||
| const { | ||
| prevXt, prevYt, prevLySt, | ||
| prevTePt, prevData, | ||
| } = this.shouldUpdate; | ||
| const { xt, yt } = TfRescale(this); | ||
| const sameXY = xt(1.1) === prevXt && prevYt === yt(1.1); | ||
| const sameLySt = prevLySt === this.layout; | ||
| const sameTePt = prevTePt === this.tTrEndPts.length; | ||
| const sameData = prevData === this.data.length; | ||
| this.shouldUpdate = Object.assign( | ||
| {}, | ||
| this.shouldUpdate, | ||
| { | ||
| sameXY, sameLySt, // eslint-disable-line | ||
| sameTePt, sameData, // eslint-disable-line | ||
| }, | ||
| ); | ||
| } | ||
|
|
||
| resetShouldUpdate() { | ||
| const { xt, yt } = TfRescale(this); | ||
| const prevXt = xt(1.1); | ||
| const prevYt = yt(1.1); | ||
| const prevTePt = this.tTrEndPts.length; | ||
| const prevData = this.data.length; | ||
| const prevLySt = this.layout; | ||
| this.shouldUpdate = Object.assign( | ||
| {}, | ||
| this.shouldUpdate, | ||
| { | ||
| prevXt, prevYt, prevLySt, // eslint-disable-line | ||
| prevTePt, prevData, // eslint-disable-line | ||
| }, | ||
| ); | ||
| } | ||
|
|
||
| setTip() { | ||
| this.tip = InitTip(); | ||
| this.root.call(this.tip); | ||
| } | ||
|
|
||
| setDataParams(data, tTrEndPts, layout) { | ||
| this.data = [...data]; | ||
| this.tTrEndPts = tTrEndPts; | ||
| this.layout = layout; | ||
| } | ||
|
|
||
| updatePathCall(xt, yt) { | ||
| this.pathCall = d3.line() | ||
| .x((d) => xt(d.x)) | ||
| .y((d) => yt(d.y)); | ||
| } | ||
|
|
||
| setConfig(sweepExtentSt) { | ||
| // Domain Calculate | ||
| let { xExtent, yExtent } = sweepExtentSt || { xExtent: false, yExtent: false }; | ||
|
|
||
| if (!xExtent || !yExtent) { | ||
| const xes = d3.extent(this.data, (d) => d.x).sort((a, b) => a - b); | ||
| xExtent = { xL: xes[0], xU: xes[1] }; | ||
| const btm = d3.min(this.data, (d) => d.y); | ||
| const top = d3.max(this.data, (d) => d.y); | ||
| const height = top - btm; | ||
| yExtent = { | ||
| yL: (btm - this.factor * height), | ||
| yU: (top + this.factor * height), | ||
| }; | ||
| } | ||
|
|
||
| this.scales.x.domain([xExtent.xL, xExtent.xU]); | ||
| this.scales.y.domain([yExtent.yL, yExtent.yU]); | ||
|
|
||
| // rescale for zoom | ||
| const { xt, yt } = TfRescale(this); | ||
|
|
||
| // Axis Call | ||
| this.axisCall.x.scale(xt); | ||
| this.axisCall.y.scale(yt); | ||
|
|
||
| this.currentExtent = { xExtent, yExtent }; | ||
| } | ||
|
|
||
| drawLine() { | ||
| const { sameXY } = this.shouldUpdate; | ||
| if (sameXY) return; | ||
|
|
||
| const { xt, yt } = TfRescale(this); | ||
| this.updatePathCall(xt, yt); | ||
| this.path.attr('d', this.pathCall(this.data)); | ||
| } | ||
|
|
||
| drawGrid() { | ||
| const { sameXY } = this.shouldUpdate; | ||
| if (sameXY) return; | ||
|
|
||
| this.grid.x.call(this.axisCall.x | ||
| .tickSize(-this.h, 0, 0)) | ||
| .selectAll('line') | ||
| .attr('stroke', '#ddd') | ||
| .attr('stroke-opacity', 0.6) | ||
| .attr('fill', 'none'); | ||
| this.grid.y.call(this.axisCall.y | ||
| .tickSize(-this.w, 0, 0)) | ||
| .selectAll('line') | ||
| .attr('stroke', '#ddd') | ||
| .attr('stroke-opacity', 0.6) | ||
| .attr('fill', 'none'); | ||
| } | ||
|
|
||
| onClickTarget(event, data) { | ||
| event.stopPropagation(); | ||
| event.preventDefault(); | ||
| const onPeak = true; | ||
| this.clickUiTargetAct(data, onPeak); | ||
| } | ||
|
|
||
| create({ | ||
| filterSeed, tTrEndPts, | ||
| layoutSt, | ||
| sweepExtentSt, isUiAddIntgSt, isUiNoBrushSt, | ||
| }) { | ||
| this.svg = d3.select('.d3Svg'); | ||
| MountMainFrame(this, 'focus'); | ||
| MountClip(this); | ||
|
|
||
| this.root = d3.select(this.rootKlass).selectAll('.focus-main'); | ||
| this.scales = InitScale(this, false); | ||
| this.setTip(); | ||
| this.setDataParams(filterSeed, tTrEndPts, layoutSt); | ||
| MountCompass(this); | ||
|
|
||
| this.axis = MountAxis(this); | ||
| this.path = MountPath(this, 'steelblue'); | ||
| this.grid = MountGrid(this); | ||
| this.tags = MountTags(this); | ||
| MountAxisLabelX(this); | ||
| MountAxisLabelY(this); | ||
|
|
||
| if (this.data && this.data.length > 0) { | ||
| this.setConfig(sweepExtentSt); | ||
| this.drawLine(); | ||
| this.drawGrid(); | ||
| } | ||
| MountBrush(this, isUiAddIntgSt, isUiNoBrushSt); | ||
| this.resetShouldUpdate(); | ||
| } | ||
|
|
||
| update({ | ||
| filterSeed, tTrEndPts, | ||
| layoutSt, | ||
| sweepExtentSt, isUiAddIntgSt, isUiNoBrushSt, | ||
| }) { | ||
| this.root = d3.select(this.rootKlass).selectAll('.focus-main'); | ||
| this.scales = InitScale(this, false); | ||
| this.setDataParams(filterSeed, tTrEndPts, layoutSt); | ||
|
|
||
| if (this.data && this.data.length > 0) { | ||
| this.setConfig(sweepExtentSt); | ||
| this.getShouldUpdate(); | ||
| this.drawLine(); | ||
| this.drawGrid(); | ||
| } | ||
| MountBrush(this, isUiAddIntgSt, isUiNoBrushSt); | ||
| this.resetShouldUpdate(); | ||
| } | ||
| } | ||
|
|
||
| export default LineFocus; |
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