root/trunk/python/tests/Header.txt

  
  >>> from liblas import header
  >>> h = header.Header()

  >>> h.dataformat_id
  0

  >>> h.scale
  [0.01, 0.01, 0.01]

  >>> h.min
  [0.0, 0.0, 0.0]

  >>> h.max
  [0.0, 0.0, 0.0]

  >>> h.offset
  [0.0, 0.0, 0.0]

  >>> h.major_version
  1

  >>> h.minor_version
  1

  >>> import datetime
  >>> td = datetime.timedelta(hours=5) # my timezone is GMT-5
  >>> now = datetime.datetime.now() - td
  >>> today = datetime.datetime(now.year, now.month,now.day) 
  
  >>> x = h.date - td
  >>> d = datetime.datetime(x.year, x.month, x.day)
  >>> d == today
  True
  >>> t = datetime.datetime(2008,3,19)
  >>> h.date = t
  >>> h.date
  datetime.datetime(2008, 3, 19, 0, 0)

  >>> h.software_id
  'libLAS 1.0'
  >>> h.software_id = 'hobu'
  >>> h.software_id
  'hobu'
  >>> h.software_id = 'hobu'*9
  >>> h.software_id
  'hobuhobuhobuhobuhobuhobuhobuhob'
  
  >>> h.system_id
  'libLAS'
  >>> h.system_id = 'Python'
  >>> h.system_id
  'Python'

  >>> h.max = [33452344.2333, 523442.344, -90.993]
  >>> h.max
  [33452344.2333, 523442.34399999998, -90.992999999999995]

  >>> h.min = [33452344.2333, 523442.344, -90.993]
  >>> h.min
  [33452344.2333, 523442.34399999998, -90.992999999999995]

  >>> h.offset = [32, 32, 256]
  >>> h.offset
  [32.0, 32.0, 256.0]
  
  >>> h.scale = [0.5, 0.5, 0.001]
  >>> h.scale
  [0.5, 0.5, 0.001]
  
  >>> h.point_return_count
  [0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L]
  
  >>> h.point_return_count = [1341235L, 3412341222L, 0L, 0L, 4321L, 0L, 0L, 0L]
  >>> h.point_return_count 
  [1341235L, 3412341222L, 0L, 0L, 4321L, 0L, 0L, 0L]
  
  >>> h.point_records_count
  0L
  
  >>> h.point_records_count = 42
  >>> h.point_records_count
  42L
  
  >>> h.records_count
  0L
  
  >>> h.header_size
  227
  
  >>> h.proj4
  ''
  >>> h.proj4 = '+proj=utm +zone=17 +ellps=WGS84 +units=m'
  >>> h.proj4
  '+proj=utm +zone=17 +ellps=WGS84 +units=m'