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2417
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1 import debug from "debug";
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2 import * as echarts from "echarts";
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3 import { css, html, LitElement, PropertyValueMap } from "lit";
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4 import { customElement, property } from "lit/decorators.js";
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5 debug.enable("*");
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6 const log = debug("calibrate");
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7
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8 @customElement("xy-plot")
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9 export class XyPlot extends LitElement {
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10 static styles = [
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11 css`
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12 #chart {
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13 width: 800px;
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14 height: 300px;
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15 }
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16 `,
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17 ];
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18 chart!: echarts.ECharts;
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19 @property() label: string = "";
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20 @property() data: number[][] = [];
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21
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22 render() {
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23 return html`
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24 <fieldset>
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25 <legend>${this.label}</legend>
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26 <div id="chart"></div>
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27 </fieldset>
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28 `;
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29 }
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30
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31 protected async firstUpdated(_changedProperties: PropertyValueMap<any> | Map<PropertyKey, unknown>) {
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32 var chartDom = this.shadowRoot!.getElementById("chart")!;
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33 this.chart = echarts.init(chartDom);
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34 this.chart.setOption({
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35 animation: false,
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36 xAxis: {
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37 type: "value",
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38 },
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39 yAxis: {
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40 type: "value",
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41 },
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42 series: [
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43 {
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44 name: "d",
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45 data: [],
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46 type: "line",
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47 },
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48 ],
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49 });
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50 }
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51
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52 clear() {
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53 this.data.length = 0;
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54 }
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55
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56 insertPoint(x: number, y: number) {
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57 this.data.push([x, y]);
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58 this.data.sort((a, b) => a[0] - b[0]);
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59 this.chart.setOption({ series: [{ name: "d", data: this.data }] });
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60 }
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61 }
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