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geodetic.writePRJ(prjfilename, epsg)
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return outfilename
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###############################################################################
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def lasgrid2(srcfolder, dstfolder, filespec, resolution, outfilename, gridtype="average", fill="0", outtype=".laz", epsg='31984', verbose=False):
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'''grid a folder of laz files in a reliable manner'''
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filespec = os.path.join(srcfolder, filespec)
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filespec = filespec.replace('\\','/')
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dstfolder = dstfolder.replace('\\','/')
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odirlog = makedirs(dstfolder)
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#outfilename = os.path.join(dstfolder, outtype)
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#outfilename = outfilename.replace('\\','/')
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#no point running multiple cores as we are emerging to a single file so MP is not appropriate.
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#tried splat
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#tried mem. default for 64 bit is now 6GB
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cmd = "lasgrid64.exe" + \
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" -i %s" % (filespec) + \
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" -drop_x_below %s" % (str(10))+ \
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" -step %s" % (str(resolution)) + \
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" -merged" + \
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" -odir %s" % (dstfolder)+ \
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" -%s" % (gridtype.lower()) + \
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" -fill %s" % (str(fill)) + \
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" -epsg %s" % (epsg) + \
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" -o %s" % (outfilename)
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stdout, stderr = runner(cmd, verbose)
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# " -average" + \
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# args = shlex.split(cmd)
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# # " -fill %s" % (str(fill)) + \
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# # " -mem %s" % (2000)+ \
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return os.path.join(dstfolder, outfilename)
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###############################################################################
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def lasgrid3(srcfolder, dstfolder, filespec, resolution, outfilename, gridtype="average", fill="0", outtype=".laz", epsg='31984', verbose=False):
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'''grid a folder of laz files in a reliable manner'''
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filespec = os.path.join(srcfolder, filespec)
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filespec = filespec.replace('\\','/')
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dstfolder = dstfolder.replace('\\','/')
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odirlog = makedirs(dstfolder)
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#outfilename = os.path.join(dstfolder, outtype)
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#outfilename = outfilename.replace('\\','/')
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#no point running multiple cores as we are emerging to a single file so MP is not appropriate.
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#tried splat
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#tried mem. default for 64 bit is now 6GB
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cmd = "lasgrid64.exe" + \
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" -i %s" % (filespec) + \
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" -drop_x_below %s" % (str(10))+ \
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" -step %s" % (str(resolution)) + \
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" -merged" + \
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" -odir %s" % (dstfolder)+ \
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" -%s" % (gridtype.lower()) + \
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" -fill %s" % (str(fill)) + \
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" -epsg %s" % (epsg) + \
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" -v"+ \
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" -o %s" % (outfilename)
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# " -average" + \
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stdout, stderr = runner(cmd, verbose)
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return os.path.join(dstfolder, outfilename)
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###############################################################################
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def lasoverage(srcfolder, dstfolder, filespec, resolution, overageresolution, epsg='31984', verbose=False):
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'''clip out overlapping data from a series of files, to produce non-overlapped data files'''
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# make a list and sort instead of a wildcard. maybe this helps how overage works?
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# files = findFiles2(False, srcfolder, "*.laz")
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# files.sort()
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# filespec = ""
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# for f in files:
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# filespec = filespec + " " + f
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cpu = getcpucount(0)
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strcores = " -cores %s" % (cpu)
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log("Processing with %d CPU's" %(cpu))
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filespec = os.path.join(srcfolder, filespec)
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filespec = filespec.replace('\\','/')
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print ("******Overage files to process: %s" % (filespec))
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print ("******Overage output folder: %s" % (dstfolder))
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dstfolder = dstfolder.replace('\\','/')
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odirlog = makedirs(dstfolder)
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if float(overageresolution) == 0:
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cutresolution = float(resolution)
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else:
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cutresolution = float(overageresolution)
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print ("******Overage Resolution: %.3f, Grid Resolution %.3f" % (cutresolution, float(resolution)))
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# #we need to ensure we dont cause edge effects
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# resolution = float(resolution) / 4 #pkpk we needed to make this 1 for the cross lines in A14 as the infill did not work well. not sure whats is happening yet.
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