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96 lines
1.7 KiB
96 lines
1.7 KiB
<script>
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import { onMount } from 'svelte';
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import { scaleLinear } from 'd3-scale';
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export let points;
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let svg;
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let width = 500;
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let height = 200;
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const padding = { top: 20, right: 40, bottom: 40, left: 25 };
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$: xScale = scaleLinear()
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.domain([0, 20])
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.range([padding.left, width - padding.right]);
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$: yScale = scaleLinear()
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.domain([0, 12])
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.range([height - padding.bottom, padding.top]);
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$: xTicks = width > 180 ?
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[0, 4, 8, 12, 16, 20] :
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[0, 10, 20];
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$: yTicks = height > 180 ?
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[0, 2, 4, 6, 8, 10, 12] :
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[0, 4, 8, 12];
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onMount(resize);
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function resize() {
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({ width, height } = svg.getBoundingClientRect());
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}
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</script>
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<svelte:window on:resize='{resize}'/>
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<svg bind:this={svg}>
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<!-- y axis -->
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<g class='axis y-axis'>
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{#each yTicks as tick}
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<g class='tick tick-{tick}' transform='translate(0, {yScale(tick)})'>
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<line x1='{padding.left}' x2='{xScale(22)}'/>
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<text x='{padding.left - 8}' y='+4'>{tick}</text>
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</g>
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{/each}
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</g>
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<!-- x axis -->
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<g class='axis x-axis'>
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{#each xTicks as tick}
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<g class='tick' transform='translate({xScale(tick)},0)'>
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<line y1='{yScale(0)}' y2='{yScale(13)}'/>
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<text y='{height - padding.bottom + 16}'>{tick}</text>
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</g>
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{/each}
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</g>
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<!-- data -->
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{#each points as point}
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<circle cx='{xScale(point.x)}' cy='{yScale(point.y)}' r='5'/>
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{/each}
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</svg>
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<style>
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svg {
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width: 50%;
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height: 50%;
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float: left;
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}
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circle {
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fill: orange;
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fill-opacity: 0.6;
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stroke: rgba(0,0,0,0.5);
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}
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.tick line {
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stroke: #ddd;
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stroke-dasharray: 2;
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}
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text {
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font-size: 12px;
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fill: #999;
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}
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.x-axis text {
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text-anchor: middle;
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}
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.y-axis text {
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text-anchor: end;
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}
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</style>
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