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if rebuild == False:
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indexfiles = fileutils.findFiles2(False, odir, "*.lax")
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if len(indexfiles) > 0:
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return
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odirlog = makedirs(odir)
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cpu = getcpucount(0)
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strcores = " -cores %s" % (cpu)
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# log("Indexing with %d CPU's" %(cpu))
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cmd = "lasindex.exe" + \
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" -i %s" % (inputs) + \
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strcores
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stdout, stderr = runner(cmd, False)
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return [stdout, stderr]
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###############################################################################
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def lastile(inputs, odir, tile_size=5000, prefix="", rebuild=False, verbose=False):
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'''tile the laz files to a regular grids so we can scale indefinitely'''
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inputs = os.path.abspath(inputs).replace('\\','/')+"/*.laz"
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log('Tile the laz files to a regular grids so we can scale indefinitely')
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#check to see if we really need to rebuild
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# if rebuild == True:
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# files = fileutils.findFiles2(False, odir, "*.laz")
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# ds.deletefolder(odir)
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# else:
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# if len(files) > 0:
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# #files exist so quit
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# return odir
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# starttime = time.time()
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# odirlog = makedirs(odir)
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cpu = getcpucount(0)
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strcores = " -cores %s" % (cpu)
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strcores = " -cores 4" # pkpk
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log("Tiling %s with %d CPU's" %(inputs, cpu))
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cmd = "lastile.exe" + \
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" -i %s" % (inputs) + \
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" -cpu64 " + \
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strcores + \
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" -v" + \
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" -drop_x_below %s" % (str(10))+ \
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" -tile_size %s " % (str(tile_size)) + \
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" -olaz " + \
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" -odir %s" % (odir)
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# " -reversible " + \
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stdout, stderr = runner(cmd, verbose)
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# log("Tile Elapsed time: %.1f seconds" %(float(time.time() - starttime)), True)
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return odir
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###############################################################################
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def lasthin(filename, odir, resolution=1, fill=0, epsg='4326', prefix=""):
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'''convert the laz file to a coverage shp file'''
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odirlog = makedirs(odir)
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root, ext = os.path.splitext(os.path.basename(filename))
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#outfilename = os.path.join(odir, prefix + '_1band.txt')
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outfilename = os.path.join(odir, prefix + root + '_thin'+ ext).replace('\\','/')
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resolution = float(resolution) * 3
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cmd = "lasthin64.exe" + \
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" -i %s" % (filename) + \
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" -step %s " % (str(resolution)) + \
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" -o %s" % (outfilename)
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stdout, stderr = runner(cmd, False)
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return outfilename
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###############################################################################
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def lasboundaries(inputs, odir, resolution=1, fill=0, epsg='4326', prefix="", verbose=False):
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'''convert the laz file to a coverage shp file'''
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odirlog = makedirs(odir)
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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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outfilename = os.path.join(odir, prefix + '_boundary.shp').replace('\\','/')
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# concavity mwith a smaller number more closely follows the tif file
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# disjoint forces individual polygons rather than connecting lines.
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concavity = float(resolution) + float(fill)
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concavity = float(fill)
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concavity = float(resolution) + float(fill) + float(fill)
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concavity = float(fill) + float(fill)
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