Rename bands using a dict



In [1]:

    
import ee
ee.Initialize()



In [2]:

    
from geetools import tools



In [3]:

    
import ipygee as ui



In [4]:

    
i = ee.Image('COPERNICUS/S2/20181122T142749_20181122T143353_T18GYT').select('B.')



In [5]:

    
bands = i.bandNames()



In [6]:

    
ui.eprint(bands)



In [7]:

    
renamed = tools.image.renameDict(i, {'B2':'BLUE', 'B3':'GREEN', 'B4':'RED'})



In [8]:

    
renamed_bands = renamed.bandNames()



In [9]:

    
ui.eprint(renamed_bands)

In collection



In [10]:

    
col = ee.ImageCollection('COPERNICUS/S2').limit(5)



In [11]:

    
def print_bands(col):
    info = col.getInfo()
    images = info['features']
    for image in images:
        bands = image['bands']
        print([band['id'] for band in bands])



In [12]:

    
print_bands(col)









    



['B1', 'B2', 'B3', 'B4', 'B5', 'B6', 'B7', 'B8', 'B8A', 'B9', 'B10', 'B11', 'B12', 'QA10', 'QA20', 'QA60']
['B1', 'B2', 'B3', 'B4', 'B5', 'B6', 'B7', 'B8', 'B8A', 'B9', 'B10', 'B11', 'B12', 'QA10', 'QA20', 'QA60']
['B1', 'B2', 'B3', 'B4', 'B5', 'B6', 'B7', 'B8', 'B8A', 'B9', 'B10', 'B11', 'B12', 'QA10', 'QA20', 'QA60']
['B1', 'B2', 'B3', 'B4', 'B5', 'B6', 'B7', 'B8', 'B8A', 'B9', 'B10', 'B11', 'B12', 'QA10', 'QA20', 'QA60']
['B1', 'B2', 'B3', 'B4', 'B5', 'B6', 'B7', 'B8', 'B8A', 'B9', 'B10', 'B11', 'B12', 'QA10', 'QA20', 'QA60']



In [13]:

    
renamed_col = col.map(lambda img: tools.image.renameDict(img, {'B2':'BLUE', 'B3':'GREEN', 'B4':'RED'}))



In [14]:

    
print_bands(renamed_col)









    



['B1', 'BLUE', 'GREEN', 'RED', 'B5', 'B6', 'B7', 'B8', 'B8A', 'B9', 'B10', 'B11', 'B12', 'QA10', 'QA20', 'QA60']
['B1', 'BLUE', 'GREEN', 'RED', 'B5', 'B6', 'B7', 'B8', 'B8A', 'B9', 'B10', 'B11', 'B12', 'QA10', 'QA20', 'QA60']
['B1', 'BLUE', 'GREEN', 'RED', 'B5', 'B6', 'B7', 'B8', 'B8A', 'B9', 'B10', 'B11', 'B12', 'QA10', 'QA20', 'QA60']
['B1', 'BLUE', 'GREEN', 'RED', 'B5', 'B6', 'B7', 'B8', 'B8A', 'B9', 'B10', 'B11', 'B12', 'QA10', 'QA20', 'QA60']
['B1', 'BLUE', 'GREEN', 'RED', 'B5', 'B6', 'B7', 'B8', 'B8A', 'B9', 'B10', 'B11', 'B12', 'QA10', 'QA20', 'QA60']



In [ ]: