Heatmap.vue
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<script>
import commonMixin from '../base/mixins/common.js'
import Heatmap from 'bmaplib.heatmap'
export default {
name: 'bml-heatmap',
render () {},
mixins: [commonMixin('overlay')],
props: {
data: {
type: Array,
default: Array
},
max: {
type: Number
},
radius: {
type: Number
},
gradient: {
type: Object
},
opacity: {
type: Number
}
},
watch: {
data: {
handler () {
this.reload()
},
deep: true
},
max () {
this.reload()
},
radius (val) {
const {originInstance, opacity, gradient} = this
originInstance.setOptions({
radius: val,
opacity,
gradient
})
},
gradient: {
handler (val) {
const {originInstance, radius, opacity} = this
originInstance.setOptions({
radius,
opacity,
gradient: val
})
},
deep: true
},
opacity (val) {
const {originInstance, radius, gradient} = this
originInstance.setOptions({
radius,
opacity: val,
gradient
})
}
},
methods: {
load () {
const {map, data, max, radius, opacity, gradient} = this
const overlay = this.originInstance = new Heatmap({
radius,
opacity,
gradient
})
map.addOverlay(overlay)
overlay.setDataSet({data, max})
}
}
}
</script>