Image Layers#

Image Functions#

Command	Description
`img.bandNames().getInfo()`	List of band names
`img.select(['bandname'])`	Select a band
`img1.addBands(img2.rename('img2'))`	Add new band to img1 and rename it
`ee.ImageCollection([img1, img2]).mosaic()`	Merge 2 images
`img.clip(fc)`	Clip image with the feature collection
`img.reduceRegion(reducer=<Reducer>, geometry=fc, scale=30, maxPixels=5e9)`	Apply a reducer to all the pixels in a specific region with a feature collection. Reducers: `ee.Reducer.sum()`, `ee.Reducer.count()`, `ee.Reducer.max()`, `ee.Reducer.mean()`, …
`ee.Image.pixelArea()`	Create an image with area value in every pixel

Command	Description
`add()`, `subtract()`, `multiply()`, `divide()`, `mod()`, `exp()`	Arithmetic: `+` `-` `` `/` `%` `*`
`eq()`, `gt()`, `gte()`, `lt()`, `lte()`, `neq()`	Comparison: `==` `!=` `<` `>` `<=` `>=`
`And()`, `Or()`, `Not()`	Logical operators
`img1.where(img2, -1)`	Mask img1 where img2 has value -1

Command	Description
`img1.selfMask()`	Mask all 0 values
`img1.unmask(0)`	Set 0 for masked values
`img1.updateMask(img2)`	Mask img1 with img2, keeping values of img1