| | |
| | | }); |
| | | } |
| | | |
| | | /** |
| | | * 海量文本标注 |
| | | */ |
| | | function textLabelMarker(position, text, direction) { |
| | | // eslint-disable-next-line no-undef |
| | | return new AMap.LabelMarker({ |
| | | position: position, |
| | | zooms: [10, 20], |
| | | opacity: 1, |
| | | zIndex: 2, |
| | | // icon: { |
| | | // image: 'https://a.amap.com/jsapi_demos/static/images/poi-marker.png', |
| | | // anchor: 'bottom-center', |
| | | // size: [25, 34], |
| | | // clipOrigin: [459, 92], |
| | | // clipSize: [50, 68] |
| | | // }, |
| | | text: { |
| | | // 注意内容格式必须是string |
| | | content: text ? text + '' : '', |
| | | direction: direction ? direction : 'center', |
| | | style: { |
| | | fontSize: 12, |
| | | fillColor: '#fff', |
| | | // strokeColor: 'rgba(0, 0, 0, 0.5)', |
| | | // strokeWidth: 3, |
| | | backgroundColor: '#122b54a9' |
| | | // padding: [3, 10], |
| | | // backgroundColor: 'yellow', |
| | | // borderColor: '#ccc', |
| | | // borderWidth: 3 |
| | | } |
| | | } |
| | | }); |
| | | } |
| | | |
| | | export default { |
| | | parseGridPoint, |
| | | |
| | |
| | | } |
| | | }, |
| | | |
| | | drawGridTextLabel(points, textViews, labelsLayer, direction) { |
| | | if (textViews) { |
| | | points.forEach((p, i) => { |
| | | textViews[i].setPosition(p.lnglat_GD); |
| | | textViews[i].setText({ |
| | | content: p.data ? p.data + '' : '' |
| | | }); |
| | | }); |
| | | return { textViews, labelsLayer }; |
| | | } else { |
| | | // 创建一个 LabelsLayer 实例来承载 LabelMarker,[LabelsLayer 文档](https://lbs.amap.com/api/jsapi-v2/documentation#labelslayer) |
| | | // eslint-disable-next-line no-undef |
| | | const labelsLayer = new AMap.LabelsLayer({ |
| | | zooms: [12, 20], |
| | | zIndex: 1000, |
| | | // 开启标注避让,默认为开启,v1.4.15 新增属性 |
| | | collision: false, |
| | | // 开启标注淡入动画,默认为开启,v1.4.15 新增属性 |
| | | animation: false |
| | | }); |
| | | const _textViews = []; |
| | | // const m = textLabelMarker([121.329723, 31.240625], 25); |
| | | // _textViews.push(m); |
| | | // labelsLayer.add(m); |
| | | points.forEach((p) => { |
| | | const m = textLabelMarker(p.lnglat_GD, p.data, direction); |
| | | _textViews.push(m); |
| | | // 将 LabelMarker 实例添加到 LabelsLayer 上 |
| | | labelsLayer.add(m); |
| | | }); |
| | | map.add(labelsLayer); |
| | | map.on('zoomend', () => { |
| | | console.log(map.getZoom()); |
| | | }); |
| | | return { textViews: _textViews, labelsLayer }; |
| | | } |
| | | }, |
| | | |
| | | drawGridColor(gridViews, texts, factorName) { |
| | | // new Promise((resolve, reject) => { |
| | | // gridViews.forEach((g, i) => { |
| | | // const data = parseFloat(texts[i]); |
| | | // const { color, nextColor, range, nextRange } = |
| | | // Legend.getStandardColorAndNext(factorName, data); |
| | | // const ratio = (data - range) / (nextRange - range); |
| | | // const _color = getColorBetweenTwoColors( |
| | | // color.map((v) => v * 255), |
| | | // nextColor.map((v) => v * 255), |
| | | // ratio |
| | | // ); |
| | | // resolve({ g, _color, color }); |
| | | // }); |
| | | // }).then((res) => { |
| | | // const { g, _color, color } = res; |
| | | // g.setOptions({ |
| | | // fillColor: _color, |
| | | // fillOpacity: color[3] |
| | | // }); |
| | | // }); |
| | | gridViews.forEach((g, i) => { |
| | | const data = parseFloat(texts[i]); |
| | | const { color, nextColor, range, nextRange } = |