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jblitzar
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github-python

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starty = float(words[1])
startz = float(words[2])
endx = float(words[0])
endy = float(words[1])
endz = float(words[2])
return startx, starty, startz, endx, endy, endz
###############################################################################
def getlazmeandepth(filename, odir, prefix="lasinfo"):
'''get the laz metadata mean depth'''
'''lasinfo -i lidar.laz -o _info -otxt -histo z 1'''
if not os.path.isdir(odir):
os.makedirs(odir)
prefix = str(uuid.uuid1())
outfilename = os.path.join(odir, prefix + '_infomd.txt').replace('\\','/')
fstd = open(outfilename, 'w')
cmd = "lasinfo64.exe" + \
" -i %s" % (os.path.abspath(filename).replace('\\','/')) + \
" -o %s" % (os.path.abspath(outfilename).replace('\\','/')) + \
" -nv" + \
" -histo z 1 "
args = shlex.split(cmd)
proc = subprocess.Popen(args, stdout=fstd, stderr=subprocess.PIPE)
proc.wait()
fstd.close()
'''now extract the position information '''
#point data format: 0
meanz = 0
recordcount = 0
f = open(outfilename, 'r')
for line in f:
if line.lstrip().lower().startswith('number of point records'):
line = line.lstrip()
line = line.rstrip()
line = line.replace("(", "")
line = line.replace(")", "")
line = line.replace(" ", " ")
line = line.replace(" ", " ")
line = line.replace(" ", " ")
line = line.replace(" ", " ")
line = line.replace(" ", " ")
line = line.replace(" ", " ")
line = line.replace(" ", " ")
line = line.replace(" ", " ")
line = line.replace(",", "")
words = line.split(" ")
recordcount= float(words[4])
if recordcount == 0:
return meanz, recordcount
if line.lstrip().lower().startswith('average z'):
line = line.lstrip()
line = line.rstrip()
line = line.replace("(", "")
line = line.replace(")", "")
line = line.replace(" ", " ")
line = line.replace(" ", " ")
line = line.replace(" ", " ")
line = line.replace(" ", " ")
line = line.replace(" ", " ")
line = line.replace(" ", " ")
line = line.replace(" ", " ")
line = line.replace(" ", " ")
line = line.replace(",", "")
words = line.split(" ")
meanz= float(words[3])
f.close()
fileutils.deletefile(outfilename)
return meanz, recordcount
###############################################################################
def getlazboundingbox(filename, odir, prefix="lasinfo"):
'''get the laz metadata and return the bounding box rectangle'''
'''lasinfo -i lidar.laz -odix _info -otxt'''
x = 0
y = 0
if not os.path.isdir(odir):
os.makedirs(odir)
prefix = str(uuid.uuid1())
outfilename = os.path.join(odir, prefix + '_infobb.txt')
f = open(outfilename, 'w')
cmd = "lasinfo64.exe" + \
" -i %s" % (os.path.abspath(filename).replace('\\','/')) + \
" -o %s" % (os.path.abspath(outfilename).replace('\\','/')) + \
" -nv" + \
" -nc"
args = shlex.split(cmd)
proc = subprocess.Popen(args, stdout=f, stderr=subprocess.PIPE)