因為地圖陰影是geo,地圖色塊區(qū)域是series,拖拽和放縮會造成不同步,要設置到同步
//因為地圖陰影是geo,地圖色塊區(qū)域是series,拖拽和放縮會造成不同步,要設置到同步
let lastZoom = 1 // 初始縮放比例
let lastCenter = [0, 0] // 初始中心點
myChart.value.on('georoam', (params: any) => {
let myOption: any = myChart.value!.getOption()
if (params.zoom != null) {
//捕捉到縮放時
myOption.geo.zoom = lastZoom = params.zoom
myOption.geo.center = lastCenter = params.origin
} else if (params.action === 'drag') {
//捕捉到拖曳時
let newCenter = [
lastCenter[0] - params.dx / 2 / lastZoom, // 根據拖拽位移和縮放比例計算新的中心點
lastCenter[1] + params.dy / 2 / lastZoom
]
myOption.geo.center = newCenter
}
myChart.value!.setOption(myOption)
})
}