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28 lines
1002 B
Python
28 lines
1002 B
Python
"""HSV-based Pan-Sharpening example."""
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import ee
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import ee.mapclient
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ee.Initialize()
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# There are many fine places to look here is one. Comment
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# this out if you want to twiddle knobs while panning around.
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ee.mapclient.centerMap(-61.61625, -11.64273, 14)
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# Grab a sample L7 image and pull out the RGB and pan bands
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# in the range (0, 1). (The range of the pan band values was
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# chosen to roughly match the other bands.)
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image1 = ee.Image('LANDSAT/LE07/C02/T1/LE07_230068_19990815')
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rgb = image1.select('B3', 'B2', 'B1').unitScale(0, 255)
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gray = image1.select('B8').unitScale(0, 155)
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# Convert to HSV, swap in the pan band, and convert back to RGB.
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huesat = rgb.rgbToHsv().select('hue', 'saturation')
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upres = ee.Image.cat(huesat, gray).hsvToRgb()
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# Display before and after layers using the same vis parameters.
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visparams = {'min': [0.15, 0.15, 0.25], 'max': [1, 0.9, 0.9], 'gamma': 1.6}
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ee.mapclient.addToMap(rgb, visparams, 'Original')
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ee.mapclient.addToMap(upres, visparams, 'Pansharpened')
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