Datasets:
jblitzar
/
github-python

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outfilename = os.path.join(odir, filename)
outfilename = outfilename.replace('\\','/')
cmd = "lasmerge64.exe" + \
" -i %s" % (filespec) + \
" -drop_x_below %s" % (str(10))+ \
" -olaz " + \
" -o %s" % (outfilename)
stdout, stderr = runner(cmd, False)
return outfilename
###############################################################################
def las2asc(filename):
'''export to XYZ records'''
odirlog = makedirs(os.path.dirname(filename))
root = os.path.splitext(os.path.basename(filename))[0]
outfilename = os.path.join(os.path.dirname(filename), root + ".txt")
outfilename = outfilename.replace('\\','/')
cmd = "las2txt64.exe" + \
" -i %s" % (filename) + \
" -drop_x_below %s" % (str(10))+ \
" -o %s" % (outfilename)
stdout, stderr = runner(cmd, False)
return outfilename
###############################################################################
def txt2las(filename, epsg='4326'):
'''import from XYZ record to a las file'''
odirlog = makedirs(os.path.dirname(filename))
root = os.path.splitext(os.path.basename(filename))[0]
filename = filename.replace('\\','/')
outfilename = os.path.join(os.path.dirname(filename), root + ".laz")
outfilename = outfilename.replace('\\','/')
cmd = "txt2las.exe" + \
" -i %s" % (filename) + \
" -epsg %s" % (epsg) + \
" -o %s" % (outfilename)
stdout, stderr = runner(cmd, False)
if epsg != '4326':
outfilename = las2lasEPSG(outfilename, epsg=epsg)
return outfilename
###############################################################################
def lasgrid(filename, resolution):
'''use lasgrid to grid a file efficiently at the user specified resolution'''
odirlog = makedirs(os.path.dirname(filename))
root = os.path.splitext(os.path.basename(filename))[0]
outfilename = os.path.join(os.path.dirname(filename), root + ".tif")
outfilename = outfilename.replace('\\','/')
cmd = "lasgrid64.exe" + \
" -i %s" % (filename) + \
" -drop_x_below %s" % (str(10))+ \
" -mem %s" % (str(1900)) + \
" -step %s" % (str(resolution)) + \
" -%s" % ('average') + \
" -o %s" % (outfilename)
stdout, stderr = runner(cmd, False)
return outfilename
###############################################################################
def lasgrid4(filename, outfilename, resolution, epsg='31984'):
'''use lasgrid to grid a file efficiently at the user specified resolution'''
odirlog = makedirs(os.path.dirname(filename))
root = os.path.splitext(os.path.basename(filename))[0]
if len(outfilename) == 0:
outfilename = os.path.join(os.path.dirname(filename), root + ".tif")
outfilename = outfilename.replace('\\','/')
else:
outfilename = outfilename.replace('\\','/')
cmd = "lasgrid64.exe" + \
" -i %s" % (filename) + \
" -epsg %s" % (epsg) + \
" -mem %s" % (str(1900)) + \
" -step %s" % (str(resolution)) + \
" -%s" % ('average') + \
" -o %s" % (outfilename)