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jblitzar
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github-python

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concavity = max(concavity,1)
cmd = "lasboundary.exe" + \
" -i %s" % (inputs) + \
" -drop_x_below %s" % (str(10))+ \
" -concavity %s " % (str(concavity)) + \
" -epsg %s " % (str(epsg)) + \
" -cpu64 " + \
strcores + \
" -merged " + \
" -labels " + \
" -disjoint " + \
" -holes" + \
" -o %s" % (outfilename)
# " -v" + \
stdout, stderr = runner(cmd, verbose)
return outfilename
###############################################################################
# def lasboundary(filename, odir, nodata=0, resolution=1, prefix="", outfilename = "", extension="txt"):
def lasboundary(filename, outfilename, nodata=0, resolution=1, replace=False):
'''convert the laz file to a coverage shape file'''
# odirlog = makedirs(os.path.dirname(outfilename))
# if len(outfilename) == 0:
# root = os.path.splitext(os.path.basename(filename))[0]
# #outfilename = os.path.join(odir, prefix + '_1band.txt')
# outfilename = os.path.join(odir, prefix + root + '_boundary.'+ extension).replace('\\','/')
#the file already exists and the user is not wanting to replace...
if os.path.exists(outfilename) and replace == False:
return outfilename
cpu = getcpucount(0)
strcores = " -cores %s" % (cpu)
log("Processing with %d CPU's" %(cpu))
#lasboundary -i pk.laz -disjoint -o pkdisjoint.txt
# concavity mwith a smaller number more closely follows the tif file
# disjoint forces individual polygons rather than connecting lines.
nodatamin = float(nodata) - 0.1
nodatamax = float(nodata) + 0.1
resolution = float(resolution) * 1.5
cmd = "lasboundary.exe" + \
" -i %s" % (os.path.abspath(filename).replace('\\','/')) + \
" -drop_x_below %s" % (str(10))+ \
" -concavity %s " % (str(resolution)) + \
" -cpu64 " + \
strcores + \
" -v" + \
" -disjoint " + \
" -drop_z %s %s" % (str(nodatamin), str(nodatamax)) + \
" -o %s" % (outfilename.replace('\\','/'))
stdout, stderr = runner(cmd, False)
return outfilename
###############################################################################
def lasoverlap(filename1, filename2, odir, resolution=1, prefix=""):
'''compute the overlap between 2 files'''
odirlog = makedirs(odir)
filename1 = os.path.abspath(filename1).replace('\\','/')
filename2 = os.path.abspath(filename2).replace('\\','/')
root1 = os.path.splitext(os.path.basename(filename1))[0]
root2 = os.path.splitext(os.path.basename(filename2))[0]
outfilename = os.path.join(odir, prefix + "_" + root1 + "_" + root2 + '.laz')
outfilename = outfilename.replace('\\','/')
cmd = "lasoverlap64.exe" + \
" -i %s %s" % (filename1, filename2) + \
" -drop_x_below %s" % (str(10))+ \
" -values " + \
" -faf " + \
" -no_over " + \
" -o %s" % (outfilename)
stdout, stderr = runner(cmd, False)
return outfilename
###############################################################################
def las2lasEPSG(filename, odir="", epsg="4326"):
'''apply EPSG code to a las file'''
filename = os.path.abspath(filename).replace('\\','/')
root = os.path.splitext(os.path.basename(filename))[0]
outfilename = os.path.join(odir, root + "_EPSG_" + epsg + '.laz')
outfilename = outfilename.replace('\\','/')
outfilename = os.path.join(os.path.dirname(filename), root + ".laz")