51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# \file Differential.py
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# \brief TODO
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# \author Florent Guiotte <florent.guiotte@gmail.com>
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# \version 0.1
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# \date 16 avril 2018
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#
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# TODO details
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from ld2dap.core import Filter, Stack
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import numpy as np
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class Differential(Filter):
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def __init__(self):
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super().__init__(self.__class__.__name__)
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def _process(self, data, metadata):
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raster_list = list()
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metadata_new = list()
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offset = 0
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for stack in metadata:
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print('Differential: {}'.format(stack))
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raster_list.append(data[:,:,stack.begin+1:stack.end] -
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data[:,:,stack.begin:stack.end-1])
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size_new = stack.end - stack.begin - 1
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stack_new = Stack(offset, size_new)
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for i in range(len(stack_new.desc)):
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desc = stack.desc[i].copy()
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desc.append(':Differential:')
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desc.extend(stack.desc[i+1])
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stack_new.desc[i] = desc
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metadata_new.append(stack_new)
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for i in range(len(stack_new.symb)):
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symb = list() #['D(']
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symb.extend(stack.symb[i])
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symb.append(' - ')
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symb.extend(stack.symb[i+1])
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#symb.append(')')
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stack_new.symb[i] = symb
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offset += size_new
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data = np.dstack(raster_list)
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return data, metadata_new
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