Global Mapper栅格计算器,波段计算NDVI、NDSI、NDWI等 1. Global Mapper中的栅格计算器2. 查看数据属性,检查波段数量3. 打开栅格计算器,进行波段计算 Global Mapper功能丰富,其栅格计算器工具内置很多遥感指数,方便进…
The Normalized Difference Water Index (NDWI) is sensitive to changes in liquid water content of vegetation canopies. It is derived from the Near-IR band and a second IR band, ≈1.24μm when available and the nearest available IR band otherwise. It ranges i…
1. 首先根据数据源、时间、掩膜、云量等选取适合的影像
// 裁剪和加载矢量
var roi ee.FeatureCollection("projects/ee-****/assets/zhuhai_boundary");
Map.centerObject(roi,13);var empty ee.Image().toByte();
var outline empty.paint({featureCollection:r…