/** * 污染溯源 */ /** * 绘制高亮的污染区域3D立面 */ function drawHighLight3DLayer() {} /** * 绘制涉及的污染场景 */ function drawPollutionScene() {} /** * 绘制反向溯源扇形 */ function drawSectors() {} export default { drawHighLight3DLayer, drawPollutionScene, drawSectors };