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updated recipes to handle nd_bands recipe #101

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updated recipes to handle nd_bands recipe #101

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8 changes: 8 additions & 0 deletions marblecutter/recipes.py
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Expand Up @@ -74,6 +74,14 @@ def apply(recipes, pixels, source=None):
if "imagery" in recipes:
LOG.info("Applying imagery recipe")

if "nd_bands" in recipes:
# nd_bands or rgb_bands should be in recipe, Otherwise an error will occur
LOG.info("nd_bands")
band1_tile = np.ma.array(data[recipes['nd_bands'][0]-1])
band2_tile = np.ma.array(data[recipes['nd_bands'][1]-1])

data = np.ma.array([(band2_tile.astype(float) - band1_tile.astype(float)) / (band2_tile.astype(float) + band1_tile.astype(float))])

if "rgb_bands" in recipes:
data = np.ma.array([data[i - 1] for i in recipes["rgb_bands"]])

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