Files
eacp_webapp/public/scripts/linechart_extract_fixed.js
2026-06-16 11:24:50 +08:00

757 lines
28 KiB
JavaScript

!(function (e, t) {
"object" == typeof exports && "undefined" != typeof module
? (module.exports = t(e))
: "function" == typeof define && define.amd
? define(t, e)
: ((e = "undefined" != typeof globalThis ? globalThis : e || self).lineChart =
t(e));
})(this, function (scope) {
if (!scope.settings) {
scope.require("/settings.js");
};
const jiaozhun=settings.jiaozhun;
function DataExtract() {
let _ctx = this.$ctx = {
paused: false,
sourceMin: 0,
sourceMax: 1920,
currentMin: 0,
currentMax: 1920,
clientPixel: 1920,
pixelScale: 1,
displayPoints: [],
}
}
// const SampleFreqs = [78125, 156250, 312500, 625000, 1250000, 2500000, 5000000, 10000000, 20000000, 40000000, 80000000];
//const SampleFreqs = [240000, 480000, 960000, 1920000, 3840000, 7680000, 15360000, 30720000, 61440000];
const SampleFreqs = 61440000;//固定带宽 采样率
const fixedSourceSpan = 30000000;
DataExtract.prototype.update = function (options) {
let _ctx = this.$ctx;
if (vm.WorkParamsMode == 1) {//切换到扫频工作模式后
return false;
}
if (options.hasOwnProperty("paused")) _ctx.paused = options.paused;
if (options.hasOwnProperty("sourceMin")) _ctx.sourceMin = options.sourceMin;
if (options.hasOwnProperty("sourceMax")) _ctx.sourceMax = options.sourceMax;
if (options.hasOwnProperty("currentMin")) _ctx.currentMin = options.currentMin;
if (options.hasOwnProperty("currentMax")) _ctx.currentMax = options.currentMax;
if (options.hasOwnProperty("clientPixel")) _ctx.clientPixel = options.clientPixel;
if (options.hasOwnProperty("displayPoints")) _ctx.displayPoints = options.displayPoints;
}
DataExtract.prototype.take = function (current, data, cache) {
// if (this.$ctx.paused) return [];
// let { sourceMin, sourceMax, currentMin, currentMax, clientPixel, displayPoints } = this.$ctx;
// if (data) {
// // 源点
// var points = displayPoints;
// var targetMinHz = currentMin;
// // 图表带宽范围
// var scaleMinHz = currentMin;
// var scaleMaxHz = currentMax;
// var scaleSpanHz = scaleMaxHz - scaleMinHz;
// // 多少Hz一个像素
// var pixelScale = scaleSpanHz / clientPixel;
// var markerPosHz = current;
// // 当前频点 据 开始频点 多少hz
// var markerSpanHz = markerPosHz - targetMinHz;
// // 跳过按照前面的频率跳过相应的点
// var markerPixel = Math.ceil(markerSpanHz / pixelScale);
// return points[markerPixel];
// }
}
/*
// 按照真实点的数值获取
// data = new Uint16Array(data.buffer);//Array.from(,x=>x/256);
var sourceSpan = sourceMax - sourceMin;
var sampleFreq = SampleFreqs.find(item=>item > sourceSpan);
if(sampleFreq === void(0))sampleFreq = SampleFreqs.slice(-1)[0];
var offset = Math.floor( ( sampleFreq - sourceSpan ) / ( sampleFreq / data.length ) / 2 );
data = data.slice(offset,data.length - offset );
var displaySpan = currentMax - currentMin;
// 源点偏移
// 算算前面多少频率
let currentSpan = current - sourceMin;
// 多少频率一个点
var pointScale = sourceSpan / data.length ;
var pixelScale = clientPixel / displaySpan;
// 跳过按照前面的频率跳过相应的点
var pointOffset = Math.ceil(currentSpan / pointScale);
return data[pointOffset];
*/
DataExtract.prototype.fill = function (data) {
if (this.$ctx.paused) return [];
let { sourceMin, sourceMax, currentMin, currentMax, clientPixel, displayPoints } = this.$ctx;
if (vm.datatype == 3) {
if (displayPoints.length != clientPixel) {
this.$ctx.displayPoints.length = clientPixel;
}
displayPoints.fill(NaN);//清空数据
if (data) {
if (currentMin < 0 && currentMax < 0) {
return [];
};
// data = new Uint16Array(data.buffer);//Array.from(,x=>x/256);
// var sourceSpan = sourceMax - sourceMin;
var sourceSpan = fixedSourceSpan;
//此处无需匹配
var sampleFreq = SampleFreqs;
// var sampleFreq = SampleFreqs.find(item => item > sourceSpan);
// if (sampleFreq === void (0)) sampleFreq = SampleFreqs.slice(-1)[0]
var offset = Math.floor((sampleFreq - sourceSpan) / (sampleFreq / data.length) / 2);
//采样频率-带宽=需要去除的两端的频谱
//采样率/fft点数=每个点需要的频率数
//两者相除得出需要去掉的总点数
//总点数/2=单侧需要去掉的点数也就是offset
data = data.slice(offset, data.length - offset);//取出偏移量后的数据
// 源点
var points = displayPoints;
// 源数据范围
var sourceMinHz = sourceMin;//图表显示的
var sourceSpanHz = sourceSpan;//图表显示的
var targetMinHz = currentMin;//输入框中的最小
var targetMaxHz = currentMax;//输入框中的最大值
var targetSpanHz = targetMaxHz - targetMinHz;
// 图表带宽范围
var scaleMinHz = currentMin;
var scaleMaxHz = currentMax;
var scaleSpanHz = scaleMaxHz - scaleMinHz;
// 如果 x 轴最大值 小于 源最大值 按照 x 轴的最大值算
if (scaleMaxHz < targetMaxHz) {
targetMaxHz = scaleMaxHz;
}
// 如果 x 轴最小值 大于 源最小值 按 x 轴的最小值算
if (scaleMinHz > targetMinHz) {
targetMinHz = scaleMinHz;
}
targetSpanHz = targetMaxHz - targetMinHz;
var pointScale = sourceSpanHz / data.length; // 多少Hz一个点
var pixelScale = this.$ctx.pixelScale = scaleSpanHz / clientPixel; // 多少Hz一个像素
var offsetHz = (sourceMinHz - scaleMinHz); // 左边隐藏了多少Hz
var offsetPixel = 0; // 向左偏移多少像素
let offsetPoint = 0; // 向右偏移了多少点
// 如果左边有隐藏的频率
if (offsetHz > 0) {
offsetPixel = Math.abs(Math.ceil(offsetHz / pixelScale));// 垫上一定的像素
} else {
offsetPoint = Math.abs(Math.round(Math.abs(offsetHz) / pointScale));// 刨除出一定的点
}
if (offsetPixel > 0) {
points.fill(NaN, 0, offsetPixel);
}
if (offsetPoint > 0) {
data = data.slice(offsetPoint);
}
var i = 0;
// 当前FFT点数
var pointPixel = targetSpanHz / pixelScale;
var targetCount = targetSpanHz / pointScale;
var array = [];
if (targetCount > points.length) {//抽帧
var start = 0;
for (i = offsetPixel; i < clientPixel; i++) {
var _offset = i - offsetPixel;
var _temp = (_offset) * pixelScale;
let end = Math.ceil(_temp / pointScale);
var partial = data.slice(start, end);
start = end;
if (partial.length > 0) {
var val = NaN;
try {
val = Math.max(...partial);//数组解构 取出最大值
} catch (e) {
console.warn(e);
}
points[i] = val;
} else {
points[i] = NaN;
}
}
} else {
// 补帧
for (i = 0; i < clientPixel - offsetPixel; i++) {
let dataIndex = Math.ceil(i * pixelScale / pointScale);
var val = data[dataIndex];
if (val == -Infinity || isNaN(val) || val === undefined) {
break;
} else {
points[offsetPixel + i] = val;
}
}
//补帧
}
return points;
}
}
else if (vm.datatype == 5) {
if (displayPoints.length != clientPixel) {
this.$ctx.displayPoints.length = clientPixel;
}
displayPoints.fill(NaN);//清空数据
var points;
if (data) {
displayPoints = [...data];
points = displayPoints;
}
return points;
}
}
let {
AutoCursorModes,
AxisTickStrategies,
lightningChart,
emptyLine,
emptyFill,
emptyTick,
UIDirections,
UIElementBuilders,
MarkerBuilders,
transparentFill,
UIVisibilityModes,
ColorRGBA,
ColorHEX,
UIButtonPictures,
ColorHSV,
UIDraggingModes,
UILayoutBuilders,
UIBackgrounds,
SolidFill,
SolidLine,
LegendBoxBuilders,
translatePoint,
PointMarkers,
MouseStyles,
UIOrigins,
synchronizeAxisIntervals,
PalettedFill,
LUT,
} = lcjs;
const Marker = (function () {
let MarkerXYBuilder = MarkerBuilders.XY.setPointMarker(UIBackgrounds.Diamond).setResultTableBackground(UIBackgrounds.Pointer)
.addStyler(marker => {
marker.setPointMarker(point => point.setSize({ x: 10, y: 10 })
.setFillStyle(new SolidFill({ color: ColorHEX("#F00") }))
.setFillStyleHighlight(new SolidFill({ color: ColorHEX("#F00") }))
.setHighlighted(false)
)
.setGridStrokeXCut(true)
.setGridStrokeYCut(false)
.setResultTable(table => {
return table.setOrigin(UIOrigins.CenterBottom).setMargin({ bottom: 5 })
.setBackground(bg => bg.setDirection(UIDirections.Down).setPointerAngle(80).setPointerLength(10))//.setFillStyle(emptyFill).setStrokeStyle(emptyLine))
});
let TickStyle = tick => {
return tick.setTextFillStyle(new SolidFill({ color: ColorHEX('#FFF') })).setTextFont(fontSettings => fontSettings.setSize(10))
}
let StrokeStyle = new SolidLine({ thickness: .5, fillStyle: new SolidFill({ color: ColorHEX('#FFF') }) });
marker
.setTickMarkerX(TickStyle).setTickMarkerY(TickStyle)
.setGridStrokeXStyle(StrokeStyle).setGridStrokeYStyle(StrokeStyle);
return marker;
});
function Marker(line, opts) {
let { name, label, color, } = opts;
this.name = name;
this.$opts = opts;
this.$line = line;
this.$chart = this.$line.$chart;
var { start, end } = this.$chart.DisplayAxisX.getInterval();
var interval = this.$chart.DefaultAxisY.getInterval();
var position = { x: start + (end - start) / 2, y: interval.end - Math.abs(interval.end - interval.start) / 2 };
const target = this.target = this.$chart.target.addChartMarkerXY(MarkerXYBuilder, this.$chart.DisplayAxisX, this.$chart.DefaultAxisY).setPosition(position)
target.getResultTable().setContent([[label]]);
target.$owner = this;
target.setPointMarker(point => point.setFillStyle(new SolidFill({ color: ColorHEX(opts.color) })));
target.setGridStrokeXVisibility(UIVisibilityModes.never)
.setGridStrokeYVisibility(UIVisibilityModes.never)
.setTickMarkerXVisibility(UIVisibilityModes.always)
.setTickMarkerYVisibility(UIVisibilityModes.never);
}
Marker.prototype.update = function (data, cache) {
var original = this.target.getPosition();
var value = this.$chart.TakeData(original.x, data, cache);
if (value) {
original.y = value;
}
this.target.setPosition(original);
}
return Marker;
})();
const Line = (function () {
function Line(opts, chart) {
let { name, label, color } = opts;
let target = chart.target.addLineSeries({ allowDataGrouping: true }).setName(label);
target.setStrokeStyle(stroke => {
return stroke.setThickness(2).setFillStyle(new SolidFill({ color: ColorHEX(color) }))
});
this.name = name;
this.$opts = opts;
this.$markers = [];
this.$chart = chart;
this.target = target;
this.$data = [];
}
Line.prototype.update = function (data) {
this.target.clear();
this.target.addArrayY(data);
this.$data = data;
var extract = this.$chart.DataExtract;
let { clientPixel, currentMin, pixelScale } = extract.$ctx;
this.$markers.forEach(marker => {
var original = marker.target.getPosition();
// 当前频点 据 开始频点 多少hz
var spanHz = original.x - currentMin;
// 跳过按照前面的频率跳过相应的点
var index = Math.ceil(spanHz / pixelScale);
var value = data[index];
if (value != undefined && !isNaN(value)) {
original.y = value;
marker.target.setPosition(original);
}
})
}
Line.prototype.AddMarker = function (opts) {
var marker = new Marker(this, opts)
this.$markers.push(marker);
return marker;
};
Line.prototype.AddRelatedMarkers = function (...arr) {
return arr.map(opts => {
return this.AddMarker(opts);
})
};
return Line;
})();
UIElementBuilders.CheckBox = UIElementBuilders.CheckBox
.setPictureOff(UIButtonPictures.Rectangle)
.setPictureOn(UIButtonPictures.Rectangle)
.addStyler((checkBox) => checkBox.setOn(false).setPadding(5));
const MarkerBuilder = MarkerBuilders.XY
.setPointMarker(UIBackgrounds.Diamond)
.setResultTableBackground(UIBackgrounds.Diamond)
.addStyler(marker =>
marker.setPointMarker(point => point.setSize({ x: 10, y: 10 }))
.setResultTable(table => table.setOrigin(UIOrigins.CenterBottom).setMargin({ bottom: 0 }).setBackground(arrow => arrow.setDirection(UIDirections.Down)))
.setGridStrokeXCut(true).setAutoFitStrategy(undefined)
)
//#region 折线图
function LineChart(opts) {
opts = opts || {};
let { container } = opts;
let _Context = {
Divide: 1,
Lines: {},
Cache: [],
Data: [],
dataExtractSwitch: false,//数据抽取开关
workmode: null,//工作模式
strictInterval: null,//设置输入的起始范围
xAxisBand: null,
};
let _expose = {};
let _Methods = {};
var _DataExtract = _expose.DataExtract = new DataExtract();
// Initialize _Chart.
let _Chart = lightningChart({
// 0 左键 1 中间 2 右键
// overrideInteractionMouseButtons: {
// axisXYZoomMouseButton: 2, // 框选放大
// chartXYPanMouseButton: 2, // 按住移动
// chartXYRectangleZoomFitMouseButton: 0, // 按住框选
// axisXYPanMouseButton: 0, // 拖动XY轴
// },
}).ChartXY({ container });
_Chart
.setTitle(false)
.disableAnimations()
//.setAutoCursorMode(AutoCursorModes.onHover).setSeriesBackgroundFillStyle(emptyFill)
.setPadding({ left: 0, top: 0, right: 5, bottom: 5 });
_Chart.setMouseInteractionPan(false);
_Chart.setMouseInteractionWheelZoom(false);
_Chart.setMouseInteractionRectangleZoom(false);
_Chart.setMouseInteractionRectangleFit(false);
_Chart.setZoomingRectangleFillStyle(new SolidFill({ color: ColorRGBA( 0, 255, 10,100 ) }));
let _DefaultAxisX = _Chart.getDefaultAxisX();
let _DefaultAxisY = _Chart.getDefaultAxisY();
let _DisplayAxisX = _Chart.addAxisX({ type: "linear-highPrecision" }).setInterval(0, 0, false, true);
_Chart.onSeriesBackgroundSelect && _Chart.onSeriesBackgroundSelect(function () {
console.log("select", arguments);
});
const _DefaultAxes = { x: _DefaultAxisX, y: _DefaultAxisY };
const _DisplayAxes = { x: _DisplayAxisX, y: _DefaultAxisY };
Object.assign(_expose, { target: _Chart });
Object.assign(_Methods, {
AddLine(opts) {
let { name } = opts;
var line = new Line(opts, _expose);
_Context.Lines[name] = (line);
return line;
},
AddCheckBoxGroup(items, handle) {
const group = _Chart.addUIElement(UILayoutBuilders.Row.setBackground(UIBackgrounds.Rectangle))
.setDraggingMode(UIDraggingModes.notDraggable).setOrigin(UIOrigins.RightTop)
.setPosition({ x: 99, y: 99 }).setBackground(bg => bg.setStrokeStyle(emptyLine).setFillStyle(emptyFill));
items.forEach(opts => {
let { name, label, color } = opts;
var checkbox = group.addElement(UIElementBuilders.CheckBox).setText(label);
checkbox.onSwitch(handle);
});
return group;
},
AddLegendBox(handle, events = false) {
const group = _Chart.addUIElement(UILayoutBuilders.Row.setBackground(UIBackgrounds.Rectangle))
.setDraggingMode(UIDraggingModes.notDraggable).setOrigin(UIOrigins.RightTop)
.setPosition({ x: 99, y: 99 }).setBackground(bg => bg.setStrokeStyle(emptyLine)); //.setFillStyle(emptyFill)
Object.entries(_Context.Lines).forEach(([name, line], index) => {
var line = _Context.Lines[name];
var checkbox = group.addElement(UIElementBuilders.CheckBox).setText(line.target.getName());
checkbox.setOn(!line.target.isDisposed());
if (index == 0) {
checkbox.setMouseInteractions(false);
} else {
checkbox.setMouseInteractions(events);
}
checkbox.onSwitch((target, state) => {
if (handle && handle(checkbox, line)) {
return;
}
if (state) {
line.target.restore();
} else {
line.target.dispose();
}
});
});
return group;
}
})
Object.assign(_Methods, {
Divide(value) {
if (value != undefined) _Context.Divide = value;
return _Context.Divide;
},
DataSwitch(value) {
if (value != undefined) _Context.dataExtractSwitch = value;
return _Context.dataExtractSwitch;
},
AddData(name, data) {
var _Line = _Context.Lines[name];
if (_Line) { _Line.Data = data; }
},
WorkParamsMode(value) {//设置工作模式
if (value != undefined) _Context.workmode = value;
return _Context.workmode;
},
strictInterval(value) {//设置输入的起始截止范围
if (value != undefined) _Context.strictInterval = value;
return _Context.strictInterval;
},
addNarrowBand(value,_mode) {
if (_Context.xAxisBand != undefined && _Context.xAxisBand != null) {
_Context.xAxisBand.dispose();
}
if (value != undefined&&_mode==0 ) {
_Context.xAxisBand = _DisplayAxisX.addBand();
_Context.xAxisBand.setValueStart(value.start)
.setValueEnd(value.end)
.setName('窄带')
.setStrokeStyleHighlight(new SolidLine({ thickness: 2, fillStyle: new SolidFill({ color: ColorHEX('#F00') }) }))
}
},
addBand(value) {
const colorDefault = ColorRGBA(1, 220, 1);
const colorNormal = colorDefault;
const colorHighlight = ColorRGBA(1, 220, 1);
const xPalette = new PalettedFill({
lookUpProperty: 'x',
lut: new LUT({
interpolate: false,
steps: [
{ value: 0, color: colorNormal },
{ value: value.start, color: colorHighlight },
{ value: value.end, color: colorNormal },
],
}),
})
_DisplayAxisX.setStrokeStyle((stroke) => stroke.setFillStyle(xPalette))
}
});
Object.assign(_Methods, {
SetRangeX(start, end) {
_DisplayAxisX.setInterval(start, end, false, true,);
// _DataExtract.update({ sourceMin: sourceMin, sourceMax: sourceMax, currentMin: start, currentMax: end });
},
SetRangeY(start, end) {
_DefaultAxisY.setInterval(end, start, false, true);
}
});
//#region 设置 展示X轴
const _DisplayAxisXScaleChange = (initial) => {
let { start, end } = _DisplayAxisX.getInterval();
// _DisplayAxisX.setMouseInteractions(false);
// _DisplayAxisX.setChartInteractionZoomByWheel(false);
// _DisplayAxisX.setInterval(1000,2000);
requestAnimationFrame(() => {
if (_Context.strictInterval != null) {
if (start < _Context.strictInterval.start) {
_DisplayAxisX.setChartInteractionZoomByWheel(false);
start = _Context.strictInterval.start;
_DisplayAxisX.setInterval(start, end);
};
if (end > _Context.strictInterval.end) {
_DisplayAxisX.setChartInteractionZoomByWheel(false);
end = _Context.strictInterval.end;
_DisplayAxisX.setInterval(start, end);
};
}
_DataExtract.update({ currentMin: start, currentMax: end });
_DisplayAxisX.setChartInteractionZoomByWheel(true);
if (_Context.dataExtractSwitch && _Context.workmode == 1) {
vm.setFFTPixEtracteParamForExtract();//设置扫频的抽取的截止频率
}
});
};
//#region 设置 展示X轴
const _DisplayAxisYScaleChange = (initial) => {
let { start, end } = _DefaultAxisY.getInterval();
requestAnimationFrame(() => {
if (start < -170) {
_DefaultAxisY.setChartInteractionZoomByWheel(false);
_DefaultAxisY.setInterval(-170, end,false, true);
};
if (end > 20) {
_DefaultAxisY.setChartInteractionZoomByWheel(false);
_DefaultAxisY.setInterval(start, 20,false, true);
};
_DefaultAxisY.setChartInteractionZoomByWheel(true);
});
};
_DisplayAxisX.onAxisInteractionAreaMouseDoubleClick(function (e) {
// e.setInterval(...e.range(), false, true);
});
_DisplayAxisX.onScaleChange(_DisplayAxisXScaleChange);
_DefaultAxisY.onScaleChange(_DisplayAxisYScaleChange);
_DisplayAxisX.setAnimationScroll(false);
//#endregion
var _ClientToDefault = function ({ x, y }) {
return _Chart.engine.clientLocation2Engine(x, y);
};
var _Default2Display = function ({ x, y }, scale) {
if (!scale) scale = _Chart.pixelScale;
return translatePoint({ x, y }, scale, _DisplayAxes);
};
var _Display2Default = function ({ x, y }, scale) {
if (!scale) scale = _Chart.pixelScale;// _DefaultAxes;//
return translatePoint({ x, y }, _DisplayAxes, scale);
};
var _Client2Display = function ({ x, y }) {
var enginePoint = _Chart.engine.clientLocation2Engine(x, y);
return translatePoint(enginePoint, _Chart.pixelScale, _DisplayAxes);
};
Object.assign(_Methods, {
TakeData(freq, data, cache,) {
return _DataExtract.take(freq, data, cache);
},
Client2Default: _ClientToDefault,
Default2Display: _Default2Display,
Client2Display: _Client2Display,
Display2Default: _Display2Default
});
//#region 设置 默认Y轴
_DefaultAxisY
.setTickStrategy(AxisTickStrategies.Numeric, (strategy) =>
strategy
.setCursorFormatter((value) => value.toFixed(3))
.setMajorTickStyle((style) => strategy.getMinorTickStyle())
);
// .setThickness(DefaultAxisYThickness);
//#endregion
//#region 添加 UI 组件
//#region 按刷新率渲染
let _Render = () => {
let ctx = { last: performance.now(), offset: 0, period: 50 };
function rAF() {
let now = performance.now();
let span = now - ctx.last;
if (span > ctx.period) {
ctx.offset = span % ctx.period;
ctx.last = now - ctx.offset;
Object.keys(_Context.Lines).forEach(name => {
let line = _Context.Lines[name];
let data = line.Data;
// delete line.Data;
if (data) {
data = _DataExtract.fill(data);
if (_Context.Divide !== 1) {
for (var i = 0; i < data.length; i++) {
// data[i] = data[i] / _Context.Divide; 数据需要校准-150
data[i] = data[i] / _Context.Divide - jiaozhun;
}
}
line.update(data);
return;
for (var i = 0; i < data.length; i++) {
line.target.add({ x: i, y: _Context.Cache[i] });
}
}
});
}
requestAnimationFrame(rAF);
}
requestAnimationFrame(rAF);
};
//#endregion
_Render();
{
//#region 设置 默认X轴
_DefaultAxisX
.setMouseInteractions(false)
.setChartInteractionPanByDrag(false)
.setChartInteractionZoomByWheel(false)
.setChartInteractionZoomByDrag(false)
.setChartInteractionFitByDrag(false)
.setAnimationScroll(false)
.setThickness(0)
.setStrokeStyle(emptyLine)
.setTickStrategy(AxisTickStrategies.Numeric, (strategy) => {
return strategy
.setCursorFormatter(function (value, range) {
var point = translatePoint(
{ x: value, y: 0 },
_DefaultAxes,
_DisplayAxes
);
return Math.floor(point.x).toLocaleString();
})
.setMajorTickStyle((major) =>
major.setGridStrokeStyle(emptyLine)
.setLabelFillStyle(transparentFill)
.setTickStyle(emptyLine)
)
.setMinorTickStyle((minor) =>
minor
.setGridStrokeStyle(emptyLine)
.setLabelFillStyle(transparentFill)
.setTickStyle(emptyLine)
)
});
_DefaultAxisX.zoom = false;
// _DefaultAxisX.disableAnimations();
const _DefaultAxisXScaleChange = (sender, width, height, engineWidth) => {
requestAnimationFrame(() => {
var clientPixel = Math.floor(engineWidth - _DefaultAxisY.getHeight());
let Ptn = window.innerWidth;//取点点数
_DefaultAxisX.setInterval(0, clientPixel, false, true);
_DataExtract.update({ clientPixel });
if (_Context.dataExtractSwitch && _Context.workmode == 1) {
vm.setFFTPixEtracteParamForExtract();//设置扫频的抽取的截止频率
}
});
};
//此处需要注意,scale的使用会导致下发抽取参数
_Chart.onResize(_DefaultAxisXScaleChange);
//#endregion
// _Methods.SetRangeY(127, -127);
_Methods.SetRangeY(20, -170);
}
{
_expose.Context = {};
Object.keys(_Context).forEach((key) => {
Object.defineProperty(_expose.Context, key, {
enumerable: true,
get() {
return _Context[key];
},
});
});
}
Object.keys(_Methods).forEach((key) => {
Object.defineProperty(_expose, key, {
enumerable: true,
get() {
return _Methods[key];
},
});
});
Object.assign(_expose, {
DisplayAxisX: _DisplayAxisX,
DefaultAxisX: _DefaultAxisX,
DefaultAxisY: _DefaultAxisY,
});
requestAnimationFrame(function () {
let range = _Chart.engine.scale.getInnerIntervalPixels();
_DefaultAxisX.setInterval(0, range.x, false, true);
_DisplayAxisX.setInterval(0, range.x, false, true);
});
/*
*/
function SetTickStyle(tick) {
return tick.setLabelFont((font) => font.setWeight('normal').setSize(12).setStyle('normal').setFamily('Arial').setVariant(true))
}
[_DefaultAxisY].map(_Axis => {
_Axis.setTickStrategy(AxisTickStrategies.Numeric, (strategy) => {
return strategy
.setMajorTickStyle(SetTickStyle)
.setMinorTickStyle(SetTickStyle)
.setFormattingFunction((value) => `${value.toFixed(0)}dB`)
});
});
[_DisplayAxisX].map(_Axis => {
_Axis.setTickStrategy(AxisTickStrategies.Numeric, (strategy) => {
return strategy
.setMajorTickStyle(SetTickStyle)
.setMinorTickStyle(SetTickStyle)
.setFormattingFunction((value) => `${(value / 1e9).toFixed(3)}GHz`)
});
});
// SlicedCharts.setLabelFormatter(SliceLabelFormatters.NamePlusRelativeValue)
// _expose.DargRectangle = () => {
// _Chart.onSeriesBackgroundMouseDragStart(function (obj, event, button) {
// console.log('series mouse drag start', arguments);
// })
// _Chart.onSeriesBackgroundMouseDragStop(function (obj, event, button, start) {
// console.log('series mouse drag stop', arguments);
// })
// _Chart.onSeriesBackgroundMouseDrag(function (obj, event, button, start, delta) {
// console.log('series mouse drag ',arguments);
// })
// }
// _Chart.onSeriesBackgroundMouseDragStop(function (obj, event, button, start) {
// if (button == 2) {
// if (event.x == start.x && event.y == start.y) {
// console.log('contextmenu');
// }
// }
// })
// _expose.DargRectangle();
return _expose;
}
return LineChart;
});