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