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stdout, stderr = runner(cmd, False)
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return outfilename
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###############################################################################
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def lasgridsubcircle(filename, outfilename, resolution, epsg='31984', subcircle=1):
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'''use lasgrid to grid a file efficiently at the user specified resolution'''
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odirlog = makedirs(os.path.dirname(filename))
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root = os.path.splitext(os.path.basename(filename))[0]
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if len(outfilename) == 0:
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outfilename = os.path.join(os.path.dirname(filename), root + ".tif")
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outfilename = outfilename.replace('\\','/')
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else:
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outfilename = outfilename.replace('\\','/')
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cmd = "lasgrid64.exe" + \
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" -i %s" % (filename) + \
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" -epsg %s" % (epsg) + \
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" -mem %s" % (str(1900)) + \
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" -step %s" % (str(resolution)) + \
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" -subcircle %s" % (str(subcircle)) + \
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" -%s" % ('average') + \
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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 blast(srcfolder, dstfolder, filespec, resolution, outfilename, gridtype="hillshade", kill="3", outtype=".laz", RECT=None, epsg='31984'):
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'''make a slope raster file for QC purposes'''
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odirlog = makedirs(dstfolder)
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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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# if the user provides a bounding box, use it
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keepxy=""
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if RECT is not None:
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keepxy= " -keep_xy %.3f, %.3f, %.3f, %.3f" % (RECT.left, RECT.right, RECT.bottom, RECT.top)
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cmd = "blast2dem.exe" + \
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" -i %s" % (filespec) + \
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" -drop_x_below %s" % (str(10))+ \
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" -odir %s" % (dstfolder)+ \
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" -step %s" % (str(resolution)) + \
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" -merged" + \
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" -float_precision 0.1" + \
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" -nbits 32" + \
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keepxy + \
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" -odir %s" % (dstfolder)+ \
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" -kill %s" % (str(kill)) + \
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" -epsg %s" % (epsg) + \
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" -%s" % (gridtype) + \
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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 blast2iso(srcfolder, filespec, dstfolder, outfilename, resolution, kill="3", RECT=None, epsg='31984'):
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'''make a contour map'''
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odirlog = makedirs(dstfolder)
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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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# if the user provides a bounding box, use it
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keepxy=""
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if RECT is not None:
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keepxy= " -keep_xy %.3f, %.3f, %.3f, %.3f" % (RECT.left, RECT.right, RECT.bottom, RECT.top)
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cmd = "blast2iso.exe" + \
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" -i %s" % (filespec) + \
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" -drop_x_below %s" % (str(10))+ \
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" -odir %s" % (dstfolder)+ \
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" -iso_every %s" % (str(resolution)) + \
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" -smooth %s" % (str(float(resolution) * 10)) + \
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" -clean %s" % (str(resolution)) + \
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" -merged" + \
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keepxy + \
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" -odir %s" % (dstfolder)+ \
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" -kill %s" % (str(float(kill)* 10)) + \
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" -oshp" + \
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" -epsg %s" % (epsg) + \
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" -o %s" % (outfilename)
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stdout, stderr = runner(cmd, False)
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prjfilename = os.path.join(dstfolder, outfilename.replace('.shp','.prj')).replace('\\','/')
|
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