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Pass geocoding output projection and spacing flexibility #607

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Pass geocoding output projection and spacing flexibility #607

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36 changes: 25 additions & 11 deletions contrib/stack/topsStack/geocodeGdal.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
import isce
import isceobj
import os
import re
from osgeo import gdal
import numpy as np
import xml.etree.ElementTree as ET
Expand Down Expand Up @@ -146,6 +147,14 @@ def runGeo(inps):
#cmd = 'isce2gis.py envi -i ' + file
#os.system(cmd)

# set format and file extenstion
if inps.istiff:
ext = '.tif'
outformat = 'GTiff'
else:
ext = ''
outformat = 'ENVI'


if not inps.isAlexGrid:
WSEN = str(inps.bbox[2]) + ' ' + str(inps.bbox[0]) + ' ' + str(inps.bbox[3]) + ' ' + str(inps.bbox[1])
Expand All @@ -162,31 +171,38 @@ def runGeo(inps):
#os.system(cmd)
writeVRT(infile, latFile, lonFile)

cmd = 'gdalwarp -of ENVI -geoloc -te '+ WSEN + ' -tr ' + str(inps.latStep) + ' ' + str(inps.lonStep) + ' -srcnodata 0 -dstnodata 0 ' + ' -r ' + inps.resamplingMethod + ' ' + infile +'.vrt '+ outFile
step_cmd = ' '
if re.match(r'^-?\d+(?:\.\d+)$', str(inps.lonStep)) and \
re.match(r'^-?\d+(?:\.\d+)$', str(inps.latStep)):
step_cmd = ' -tr ' + str(inps.latStep) + \
' ' + str(inps.lonStep)

cmd = 'gdalwarp -of ' + outformat + ' -t_srs ' + inps.outproj + \
' -geoloc -te '+ WSEN + step_cmd + \
' -srcnodata 0 -dstnodata 0 ' + \
' -r ' + inps.resamplingMethod + ' ' + infile + '.vrt ' + \
outFile + ext
print (cmd)
os.system(cmd)

write_xml(outFile)
write_xml(outFile+ext)


else:
from geo2ant import getGridLimits
ylims, xlims = getGridLimits(latfile=latFile, lonfile=lonFile)

WSEN = str(xlim[0]) + ' ' + str(ylim[0]) + ' ' + str(xlim[1]) + ' ' + str(ylim[1])
if inps.istiff:
ext = '.tif'
outformat = 'GTiff'
else:
ext = '.ant'
outformat = 'ENVI'

for infile in inps.prodlist:
print('geocoding: ' + infile)

writeVRT(infile, latFile, lonFile)

cmd = 'gdalwarp -of ' + outformat + ' -t_srs ' + inps.outproj + ' -geoloc -te ' + WSEN + ' -tr ' + str(inps.lonStep) + ' ' + str(inps.latStep) + ' -srcnodata 0 -dstnodata 0 -r ' + inps.resamplingMethod + ' ' + infile + '.vrt ' + infile+'ext'
cmd = 'gdalwarp -of ' + outformat + ' -t_srs ' + inps.outproj + \
' -geoloc -te ' + WSEN + ' -tr ' + str(inps.lonStep) + \
' ' + str(inps.latStep) + ' -srcnodata 0 -dstnodata 0 -r ' + \
inps.resamplingMethod + ' ' + infile + '.vrt ' + infile + ext
status = os.system(cmd)
if status:
raise Exception('Command {0} Failed'.format(cmd))
Expand Down Expand Up @@ -266,5 +282,3 @@ def main(iargs=None):

if __name__ == '__main__':
main()