Add a suffix or a prefix to bands



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]:

    
ui.eprint(i.bandNames())

add a suffix



In [6]:

    
suffix = '_suffix'



In [7]:

    
renamed_s = tools.image.addSuffix(i, suffix, ['B2', 'B4', 'B8'])



In [8]:

    
ui.eprint(renamed_s.bandNames())

add prefix



In [9]:

    
prefix = 'prefix_'



In [10]:

    
renamed_p = tools.image.addPrefix(i, prefix, ['B2', 'B4', 'B8'])



In [11]:

    
ui.eprint(renamed_p.bandNames())

In a collection



In [12]:

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



In [13]:

    
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 [14]:

    
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 [15]:

    
renamed_col_s = col.map(lambda img: tools.image.addSuffix(img, suffix, ['B2', 'B4', 'B8']))



In [16]:

    
print_bands(renamed_col_s)









    



['B1', 'B2_suffix', 'B3', 'B4_suffix', 'B5', 'B6', 'B7', 'B8_suffix', 'B8A', 'B9', 'B10', 'B11', 'B12', 'QA10', 'QA20', 'QA60']
['B1', 'B2_suffix', 'B3', 'B4_suffix', 'B5', 'B6', 'B7', 'B8_suffix', 'B8A', 'B9', 'B10', 'B11', 'B12', 'QA10', 'QA20', 'QA60']
['B1', 'B2_suffix', 'B3', 'B4_suffix', 'B5', 'B6', 'B7', 'B8_suffix', 'B8A', 'B9', 'B10', 'B11', 'B12', 'QA10', 'QA20', 'QA60']
['B1', 'B2_suffix', 'B3', 'B4_suffix', 'B5', 'B6', 'B7', 'B8_suffix', 'B8A', 'B9', 'B10', 'B11', 'B12', 'QA10', 'QA20', 'QA60']
['B1', 'B2_suffix', 'B3', 'B4_suffix', 'B5', 'B6', 'B7', 'B8_suffix', 'B8A', 'B9', 'B10', 'B11', 'B12', 'QA10', 'QA20', 'QA60']



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