text stringlengths 0 93.6k |
|---|
geodetic.writePRJ(prjfilename, epsg) |
return outfilename |
############################################################################### |
def lasgrid2(srcfolder, dstfolder, filespec, resolution, outfilename, gridtype="average", fill="0", outtype=".laz", epsg='31984', verbose=False): |
'''grid a folder of laz files in a reliable manner''' |
filespec = os.path.join(srcfolder, filespec) |
filespec = filespec.replace('\\','/') |
dstfolder = dstfolder.replace('\\','/') |
odirlog = makedirs(dstfolder) |
#outfilename = os.path.join(dstfolder, outtype) |
#outfilename = outfilename.replace('\\','/') |
#no point running multiple cores as we are emerging to a single file so MP is not appropriate. |
#tried splat |
#tried mem. default for 64 bit is now 6GB |
cmd = "lasgrid64.exe" + \ |
" -i %s" % (filespec) + \ |
" -drop_x_below %s" % (str(10))+ \ |
" -step %s" % (str(resolution)) + \ |
" -merged" + \ |
" -odir %s" % (dstfolder)+ \ |
" -%s" % (gridtype.lower()) + \ |
" -fill %s" % (str(fill)) + \ |
" -epsg %s" % (epsg) + \ |
" -o %s" % (outfilename) |
stdout, stderr = runner(cmd, verbose) |
# " -average" + \ |
# args = shlex.split(cmd) |
# # " -fill %s" % (str(fill)) + \ |
# # " -mem %s" % (2000)+ \ |
return os.path.join(dstfolder, outfilename) |
############################################################################### |
def lasgrid3(srcfolder, dstfolder, filespec, resolution, outfilename, gridtype="average", fill="0", outtype=".laz", epsg='31984', verbose=False): |
'''grid a folder of laz files in a reliable manner''' |
filespec = os.path.join(srcfolder, filespec) |
filespec = filespec.replace('\\','/') |
dstfolder = dstfolder.replace('\\','/') |
odirlog = makedirs(dstfolder) |
#outfilename = os.path.join(dstfolder, outtype) |
#outfilename = outfilename.replace('\\','/') |
#no point running multiple cores as we are emerging to a single file so MP is not appropriate. |
#tried splat |
#tried mem. default for 64 bit is now 6GB |
cmd = "lasgrid64.exe" + \ |
" -i %s" % (filespec) + \ |
" -drop_x_below %s" % (str(10))+ \ |
" -step %s" % (str(resolution)) + \ |
" -merged" + \ |
" -odir %s" % (dstfolder)+ \ |
" -%s" % (gridtype.lower()) + \ |
" -fill %s" % (str(fill)) + \ |
" -epsg %s" % (epsg) + \ |
" -v"+ \ |
" -o %s" % (outfilename) |
# " -average" + \ |
stdout, stderr = runner(cmd, verbose) |
return os.path.join(dstfolder, outfilename) |
############################################################################### |
def lasoverage(srcfolder, dstfolder, filespec, resolution, overageresolution, epsg='31984', verbose=False): |
'''clip out overlapping data from a series of files, to produce non-overlapped data files''' |
# make a list and sort instead of a wildcard. maybe this helps how overage works? |
# files = findFiles2(False, srcfolder, "*.laz") |
# files.sort() |
# filespec = "" |
# for f in files: |
# filespec = filespec + " " + f |
cpu = getcpucount(0) |
strcores = " -cores %s" % (cpu) |
log("Processing with %d CPU's" %(cpu)) |
filespec = os.path.join(srcfolder, filespec) |
filespec = filespec.replace('\\','/') |
print ("******Overage files to process: %s" % (filespec)) |
print ("******Overage output folder: %s" % (dstfolder)) |
dstfolder = dstfolder.replace('\\','/') |
odirlog = makedirs(dstfolder) |
if float(overageresolution) == 0: |
cutresolution = float(resolution) |
else: |
cutresolution = float(overageresolution) |
print ("******Overage Resolution: %.3f, Grid Resolution %.3f" % (cutresolution, float(resolution))) |
# #we need to ensure we dont cause edge effects |
# 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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