效果核心计算formatScaleDistance(value){if(valuenull||!Number.isFinite(value))return--;if(value1000){constkilometersvalue/1000;return${Number(kilometers.toFixed(kilometers10?0:1))}km;}if(value1){return${Number(value.toFixed(value10?0:1))}m;}return${Number((value*100).toFixed(0))}cm;},