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- #! /usr/bin/python
- import sys
- import xml.etree.cElementTree as ET
- et = ET.parse(sys.argv[1])
- last = 0; l = []
- for e in et.findall('*/*/*/{http://www.topografix.com/GPX/1/1}ele'):
- alt = float(e.text)
- if alt < last - 200: # wrong value
- l.append(e)
- continue
- if l:
- delta = (alt - last)/(len(l) + 1)
- for e in l:
- last += delta
- e.text = '%.1f' % last
- l = []
- last = alt
- ET.register_namespace('', 'http://www.topografix.com/GPX/1/1')
- et.write(sys.argv[2], 'UTF-8')
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