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jblitzar
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github-python

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###############################################################################
def lasclip2(inputs, shp, odir, nodata=0, prefix="", rejectinterior=True):
'''clip a laz file using a shape file'''
# odirlog = makedirs(odir)
cpu = getcpucount(0)
strcores = " -cores %s" % (cpu)
odix = "_clipped"
#decide if we are to keep the point inside or outside the area.
if rejectinterior:
rejectinterior = " -interior"
else:
rejectinterior = ""
# filename = os.path.abspath(filename).replace('\\','/')
# root = os.path.splitext(os.path.basename(filename))[0]
# outfilename = os.path.join(odir, prefix + '_clipped.laz')
# outfilename = os.path.join(odir, prefix + root + '_clipped.laz')
# outfilename = outfilename.replace('\\','/')
shp = os.path.abspath(shp).replace('\\','/')
cmd = "lasclip.exe" + \
" -i %s" % (inputs) + \
rejectinterior + \
" -cpu64 " + \
" -donuts " + \
strcores + \
" -quiet " + \
" -olaz " + \
" -drop_x_below %s" % (str(10))+ \
" -poly %s" % (shp) + \
" -odir %s" % (odir) + \
" -odix %s" % (odix)
# " -o %s" % (outfilename)
stdout, stderr = runner(cmd, False)
return
###############################################################################
def demzip2(filename, outfilename, nodata=0, replace=False):
'''convert the 1-band tif file to a laz file '''
odir = os.path.dirname(outfilename)
odirlog = makedirs(odir)
#the file already exists and the user is not wanting to replace...
if os.path.exists(outfilename) and replace == False:
return outfilename
if os.path.exists(outfilename) and replace == True:
fileutils.deletefile(outfilename)
cmd = "demzip.exe" + \
" -i %s" % (os.path.abspath(filename).replace('\\','/')) + \
" -nodata_value %s" % (str(nodata)) + \
" -olaz " + \
" -o %s" % (outfilename.replace('\\','/'))
stdout, stderr = runner(cmd, False)
return outfilename
###############################################################################
def demzip(filename, odir, nodata=0, prefix="", replace=False):
'''convert the 1-band tif file to a laz file '''
odirlog = makedirs(odir)
root = os.path.splitext(os.path.basename(filename))[0]
# outfilename = os.path.join(odir, prefix + '_1band.laz')
outfilename = os.path.join(odir, prefix + root + '.laz')
#the file already exists and the user is not wanting to replace...
if os.path.exists(outfilename) and replace == False:
return outfilename
if os.path.exists(outfilename) and replace == True:
fileutils.deletefile(outfilename)
cmd = "demzip.exe" + \
" -i %s" % (os.path.abspath(filename).replace('\\','/')) + \
" -nodata_value %s" % (str(nodata)) + \
" -olaz " + \
" -o %s" % (outfilename.replace('\\','/'))
stdout, stderr = runner(cmd, False)
return outfilename
###############################################################################
def lasindex(inputs, rebuild=False):
'''index the laz files for performance'''
inputs = os.path.abspath(inputs).replace('\\','/')+"/*.laz"
# log('index the laz files for performance')
odir = os.path.dirname(inputs)