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demstripproducts.py
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# -*- coding: utf-8 -*-
"""
Created on Mon Feb 05 11:55:37 2018
@author: hugonnet
DEM STRIP PRODUCTS LIBRARY:
Library of Python functions to process DEM strip products such as:
- ArcticDEM release 7 strip (2m)
- REMA release 1.1 strip (2m and 8m)
- ASTER L1A via ASP
- ASTER L1A via MMASTERv2
All strips placed within the input directory are processed to a specified output directory
3 different options for output directory structure:
1/ all strips at the root of directory
2/ all strips in subdirectories following input structure
3/ all strips are referenced to a 1x1° lat/lon tile subdirectory based on their centroid
"""
from __future__ import print_function
import os, sys, shutil, csv
from shlib import create_tmp_dir_for_outfile, remove_tmp_dir_for_outfile, extract_file_from_tar_gz
from rastlib import warp_defaultUTM, inters_raster, translate
from demlib import ellipsoid_to_geoid, geoid_to_ellipsoid, dem_coregistration_custom, dem_mosaic, valid_points_coreg
def ArcticDEM_strip_r7(dir_ArcDEM,tile_name,dem_dir_out,mosaic_coreg_segm=True,filter_params=None,format_out='GTiff',tgt_EPSG=3413,tgt_res=None,nodata_out=-9999,interp_method=None,geoid=False,rm_tar=False,downsample=True):
print('--ArcticDEM release 7 strip processing--')
# 1/ LOCATE STRIPS
print('Searching for tile ' + tile_name + ' in folder '+ dir_ArcDEM +'...')
subtile_dir = os.path.join(dir_ArcDEM, tile_name)
seg_tar_gz_list = [os.path.join(subtile_dir,tar_file) for tar_file in os.listdir(subtile_dir) if
tar_file.endswith('.tar.gz')]
print('Found '+str(len(seg_tar_gz_list))+' segments in tile folder.')
# 2/ EXTRACT ALL STRIPS
tmp_dir = create_tmp_dir_for_outfile(os.path.join(dem_dir_out,'all_strips'))
list_tmp_dem = [os.path.join(tmp_dir, os.path.splitext(os.path.splitext(os.path.basename(seg_tar_gz))[0])[0] + '_dem.tif') for seg_tar_gz in
seg_tar_gz_list]
for seg_tar_gz in seg_tar_gz_list:
print('Extracting dem file of segment '+str(seg_tar_gz_list.index(seg_tar_gz)+1)+' out of '+str(len(seg_tar_gz_list)))
extract_file_from_tar_gz(seg_tar_gz, os.path.splitext(os.path.splitext(os.path.basename(seg_tar_gz))[0])[0] + '_dem.tif',
list_tmp_dem[seg_tar_gz_list.index(seg_tar_gz)])
if rm_tar:
#once extracted, remove original data to avoid taking up too much space
shutil.rmtree(subtile_dir)
if downsample:
list_ds=[]
for tmp_dem in list_tmp_dem:
tmp_dem_ds = os.path.join(tmp_dir, os.path.splitext(os.path.basename(tmp_dem))[0] + '_ds.tif')
list_ds.append(tmp_dem_ds)
translate(tmp_dem, tmp_dem_ds, format_out='GTiff', tgt_res=[8,-8], interp_method='bilinear')
os.remove(tmp_dem)
list_tmp_dem=list_ds
# 2.5/ MOSAIC/COREGISTER SETSM SEGMENTS ITERATIVELY INTO STRIPS
if mosaic_coreg_segm:
max_coreg_rmse = 10.
nb_init_pixel_min = 1000
if not os.path.exists(os.path.join(dem_dir_out, 'coreg_results')):
os.mkdir(os.path.join(dem_dir_out, 'coreg_results'))
if not os.path.exists(os.path.join(dem_dir_out, 'coreg_results', 'good')):
os.mkdir(os.path.join(dem_dir_out, 'coreg_results', 'good'))
if not os.path.exists(os.path.join(dem_dir_out, 'coreg_results', 'breaks')):
os.mkdir(os.path.join(dem_dir_out, 'coreg_results', 'breaks'))
summary = os.path.join(dem_dir_out, 'mosaic_coreg_summary_'+tile_name+'.csv')
with open(summary,'w') as csvfile:
writer = csv.writer(csvfile, delimiter=',')
writer.writerow(['scene','segment','master','dx','dy','dz','RMSE','mosaic_nb'])
#create segment lists
list_seg = list(list_tmp_dem)
list_seg_id = []
for seg in list_seg:
seg_id_split = os.path.basename(seg).split('_')
seg_id='_'.join(seg_id_split[0:5])
seg_suf = '_'.join(seg_id_split[6:])
# seg_nb=int(seg_id_split[5][3:])
if seg_id not in list_seg_id:
list_seg_id.append(seg_id)
#list all list of scenes acquired the same day
list_list_by_seg_id=[]
for seg_id in list_seg_id:
tmp_list = [seg for seg in list_seg if seg_id in seg]
tmp_list = sorted(tmp_list, key = lambda x: x.split('/')[-1].split('_')[5][3:].zfill(2))
list_list_by_seg_id.append(tmp_list)
# coregister in series
list_final_strip=[]
print('List of list of segments:')
print(list_list_by_seg_id)
#loop through same day scenes
for list_by_seg_id in list_list_by_seg_id:
print(list_by_seg_id)
#bother to coreg only if there is more than 1 segment
if len(list_by_seg_id)>1:
tmp_dir_coreg = create_tmp_dir_for_outfile(os.path.join(tmp_dir,'coreg'))
#master dem is the first segment
dem_master = list_by_seg_id[0]
k=0
#for csv summary: first segment
dem_master_id_split = os.path.basename(dem_master).split('_')
dem_master_id = '_'.join(dem_master_id_split[0:5])
dem_master_seg_nb = int(dem_master_id_split[5][3:])
writer.writerow([dem_master_id, dem_master_seg_nb, dem_master_seg_nb, 'first_seg', 'first_seg', 'first_seg', 'first_seg', str(k+1)])
for i in range(len(list_by_seg_id)-1):
dem_in = list_by_seg_id[i+1]
print('Master segment is ' + dem_master)
print('Slave segment is '+dem_in)
#for csv summary: all segments
dem_in_id_split = os.path.basename(dem_in).split('_')
dem_in_id = '_'.join(dem_in_id_split[0:5])
dem_in_seg_nb = int(dem_in_id_split[5][3:])
dem_master_id_split = os.path.basename(dem_master).split('_')
dem_master_seg_nb = int(dem_master_id_split[5][3:])
k0=k
#deriving intersection
extent = inters_raster(dem_in,dem_master)
nb_init_pixel = valid_points_coreg(dem_master,dem_in)
#try coreg only if intersection is non void
if extent is not None and nb_init_pixel>nb_init_pixel_min:
tmp_dir_seg = create_tmp_dir_for_outfile(dem_in)
#do coreg, save results
try:
out_offs, final_rmse = dem_coregistration_custom(dem_master,dem_in,outdir=tmp_dir_seg)[2:4]
except Exception:
out_offs = None
final_rmse=999
if final_rmse < max_coreg_rmse:
str_out = 'good'
else:
str_out = 'breaks'
shutil.move(os.path.join(tmp_dir_seg, 'CoRegistration_Results.pdf'),
os.path.join(dem_dir_out, 'coreg_results',str_out,
os.path.splitext(os.path.basename(dem_in))[0] + '_' +
os.path.splitext(os.path.basename(dem_master))[0] + '_coreg_results.pdf'))
shutil.move(os.path.join(tmp_dir_seg, 'coreg_params.txt'),
os.path.join(dem_dir_out, 'coreg_results',str_out,
os.path.splitext(os.path.basename(dem_in))[0] + '_' +
os.path.splitext(os.path.basename(dem_master))[0] + '_coreg_params.txt'))
print('Final coregistration RMSE is:'+str(final_rmse))
#if rmse is good, keep doing mosaics with next segment: mosaic is new master
if final_rmse < max_coreg_rmse:
print('All good. Doing mosaic and iterating to next segment...')
tmp_mosaic_list = [dem_master,os.path.join(tmp_dir_seg,os.path.splitext(os.path.basename(dem_in))[0]+'_adj.tif')]
tmp_dem_coreg=os.path.join(tmp_dir_coreg,os.path.basename(list_by_seg_id[i+1]))
dem_mosaic(tmp_mosaic_list,tmp_dem_coreg,erode_length=0,hole_fill_length=0,blending_method='mean')
dem_master = tmp_dem_coreg
#if this is the last segment, save mosaic and add to list of finalized mosaics
if i==(len(list_by_seg_id)-2):
k=k+1
final_strip = os.path.join(tmp_dir,
list_seg_id[list_list_by_seg_id.index(
list_by_seg_id)] + '_mosaic' + str(k) + '_' + seg_suf)
shutil.copyfile(dem_master,final_strip)
list_final_strip.append(final_strip)
#otherwise, break the iterative mosaic-ing
else:
#if this is the last segment
if i==(len(list_by_seg_id)-2):
#if master is the previous segment alone
if dem_master == list_by_seg_id[i]:
print('RMSE is larger than limit of '+str(max_coreg_rmse)+'m: saving last segments independently...')
list_final_strip.append(dem_in)
list_final_strip.append(dem_master)
#if master is a previous ongoing mosaic
else:
k = k + 1
final_strip = os.path.join(tmp_dir,
list_seg_id[list_list_by_seg_id.index(
list_by_seg_id)] + '_mosaic' + str(
k) + '_' + seg_suf)
shutil.copyfile(dem_master, final_strip)
print('RMSE is larger than limit of ' + str(
max_coreg_rmse) + 'm: saving previous mosaic and last segment...')
list_final_strip.append(dem_in)
list_final_strip.append(final_strip)
#if there is still segments to go
else:
#save current mosaic
k = k + 1
final_strip = os.path.join(tmp_dir,
list_seg_id[list_list_by_seg_id.index(
list_by_seg_id)] + '_mosaic' + str(
k) + '_' + seg_suf)
shutil.copyfile(dem_master, final_strip)
print('RMSE is larger than limit of ' + str(
max_coreg_rmse) + 'm: saving previous mosaic, slave is new master...')
list_final_strip.append(final_strip)
#new master is the segment that did not mosaic
dem_master = dem_in
remove_tmp_dir_for_outfile(dem_in)
#if no intersection and last segment
elif i==(len(list_by_seg_id)-2):
out_offs = None
final_rmse = None
if dem_master == list_by_seg_id[i]:
print('No intersection between master and slave: saving last segments independently...')
list_final_strip.append(dem_in)
list_final_strip.append(dem_master)
# if master is a previous ongoing mosaic
else:
k = k + 1
final_strip = os.path.join(tmp_dir,
list_seg_id[list_list_by_seg_id.index(
list_by_seg_id)] + '_mosaic' + str(
k) + '_' + seg_suf)
shutil.copyfile(dem_master, final_strip)
print('No intersection between master and slave: saving previous mosaic and last segment...')
list_final_strip.append(dem_in)
list_final_strip.append(final_strip)
#if no intersection and still segments to go
else:
out_offs = None
final_rmse = None
# save current mosaic
k = k + 1
final_strip = os.path.join(tmp_dir,
list_seg_id[list_list_by_seg_id.index(
list_by_seg_id)] + '_mosaic' + str(
k) + '_' + seg_suf)
shutil.copyfile(dem_master, final_strip)
print('No intersection between master and slave: saving previous mosaic, slave is new master...')
list_final_strip.append(final_strip)
# new master is the segment that did not mosaic
dem_master = dem_in
#write data in summary
if out_offs is None:
dx = 'no_inters'
dy = 'no_inters'
dz = 'no_inters'
rmse = 'no_inters'
else:
dx = str(out_offs[0])
dy = str(out_offs[1])
dz = str(out_offs[2])
rmse = str(final_rmse)
writer.writerow([dem_in_id, dem_in_seg_nb, dem_master_seg_nb, dx, dy, dz, rmse, str(k0+1)])
remove_tmp_dir_for_outfile(os.path.join(tmp_dir,'coreg'))
else:
list_final_strip.append(list_by_seg_id[0])
dem_master_id_split = os.path.basename(list_by_seg_id[0]).split('_')
dem_master_id = '_'.join(dem_master_id_split[0:5])
dem_master_seg_nb = int(dem_master_id_split[5][3:])
writer.writerow(
[dem_master_id, dem_master_seg_nb, dem_master_seg_nb, 'only_seg', 'only_seg', 'only_seg',
'only_seg', 'only_seg'])
else:
list_final_strip = list_tmp_dem
# 3/ PROCESSING OF FINAL STRIPS
final_dem = []
for final_strip in list_final_strip:
# 3.1/ FILTER STRIPS
if filter_params is not None:
sys.exit('No filter pre-defined for this DEM product.')
# 3.2/ REPROJECT STRIPS
# raw data is GeoTiff, 3413, 1 arc-sec and -9999 nodata_out
if format_out == 'GTiff' and tgt_EPSG == 3413 and tgt_res is None and nodata_out is -9999:
tmp_dem_proj = final_strip
else:
tmp_dem_proj = os.path.join(tmp_dir, os.path.splitext(os.path.basename(final_strip))[0] + '_proj.tif')
warp_defaultUTM(final_strip, tmp_dem_proj, format_out, 3413, tgt_EPSG, tgt_res, nodata_out, interp_method)
# 3.3/ ELLIPSOID OR GEOID STRIPS
# raw data is ellipsoid WGS84
if geoid:
tmp_dem_geoid = os.path.join(tmp_dir, os.path.splitext(os.path.basename(final_strip))[0] + '_geoid.tif')
ellipsoid_to_geoid(tmp_dem_proj, tmp_dem_geoid)
else:
tmp_dem_geoid = tmp_dem_proj
final_dem.append(tmp_dem_geoid)
for dem in final_dem:
shutil.copyfile(dem,os.path.join(dem_dir_out,os.path.basename(dem)))
remove_tmp_dir_for_outfile(os.path.join(dem_dir_out,'all_strips'))
print('Fin.')
def REMA_strip_r1_1(dir_REMA,tile_name,dem_dir_out,mosaic_coreg_segm=True,filter_params=None,format_out='GTiff',tgt_EPSG=3031,tgt_res=None,nodata_out=-9999,interp_method=None,geoid=False,rm_tar=False,downsample=True):
print('--REMA release 1.1 strip processing--')
# 1/ LOCATE STRIPS
print('Searching for tile ' + tile_name + ' in folder ' + dir_REMA + '...')
subtile_dir = os.path.join(dir_REMA, tile_name)
seg_tar_gz_list = [os.path.join(subtile_dir, tar_file) for tar_file in os.listdir(subtile_dir) if
tar_file.endswith('.tar.gz')]
print('Found ' + str(len(seg_tar_gz_list)) + ' segments in tile folder.')
# 2/ EXTRACT ALL STRIPS
tmp_dir = create_tmp_dir_for_outfile(os.path.join(dem_dir_out, 'all_strips'))
list_tmp_dem = [
os.path.join(tmp_dir, os.path.splitext(os.path.splitext(os.path.basename(seg_tar_gz))[0])[0] + '_dem.tif') for
seg_tar_gz in
seg_tar_gz_list]
for seg_tar_gz in seg_tar_gz_list:
print('Extracting dem file of segment ' + str(seg_tar_gz_list.index(seg_tar_gz) + 1) + ' out of ' + str(
len(seg_tar_gz_list)))
extract_file_from_tar_gz(seg_tar_gz,
os.path.splitext(os.path.splitext(os.path.basename(seg_tar_gz))[0])[0] + '_dem.tif',
list_tmp_dem[seg_tar_gz_list.index(seg_tar_gz)])
if rm_tar:
# once extracted, remove original data to avoid taking up too much space
shutil.rmtree(subtile_dir)
if downsample:
list_ds = []
for tmp_dem in list_tmp_dem:
tmp_dem_ds = os.path.join(tmp_dir, os.path.splitext(os.path.basename(tmp_dem))[0] + '_ds.tif')
list_ds.append(tmp_dem_ds)
translate(tmp_dem, tmp_dem_ds, format_out='GTiff', tgt_res=[8, -8], interp_method='bilinear')
os.remove(tmp_dem)
list_tmp_dem = list_ds
# 2.5/ MOSAIC/COREGISTER SETSM SEGMENTS ITERATIVELY INTO STRIPS
if mosaic_coreg_segm:
max_coreg_rmse = 10.
nb_init_pixel_min = 1000
if not os.path.exists(os.path.join(dem_dir_out, 'coreg_results')):
os.mkdir(os.path.join(dem_dir_out, 'coreg_results'))
if not os.path.exists(os.path.join(dem_dir_out, 'coreg_results', 'good')):
os.mkdir(os.path.join(dem_dir_out, 'coreg_results', 'good'))
if not os.path.exists(os.path.join(dem_dir_out, 'coreg_results', 'breaks')):
os.mkdir(os.path.join(dem_dir_out, 'coreg_results', 'breaks'))
summary = os.path.join(dem_dir_out, 'mosaic_coreg_summary_' + tile_name + '.csv')
with open(summary, 'w') as csvfile:
writer = csv.writer(csvfile, delimiter=',')
writer.writerow(['scene', 'segment', 'master', 'dx', 'dy', 'dz', 'RMSE', 'mosaic_nb'])
# create segment lists
list_seg = list(list_tmp_dem)
list_seg_id = []
for seg in list_seg:
seg_id_split = os.path.basename(seg).split('_')
seg_id = '_'.join(seg_id_split[0:5])
seg_suf = '_'.join(seg_id_split[6:])
# seg_nb=int(seg_id_split[5][3:])
if seg_id not in list_seg_id:
list_seg_id.append(seg_id)
# list all list of scenes acquired the same day
list_list_by_seg_id = []
for seg_id in list_seg_id:
tmp_list = [seg for seg in list_seg if seg_id in seg]
tmp_list = sorted(tmp_list, key=lambda x: x.split('/')[-1].split('_')[5][3:].zfill(2))
list_list_by_seg_id.append(tmp_list)
# coregister in series
list_final_strip = []
print('List of list of segments:')
print(list_list_by_seg_id)
# loop through same day scenes
for list_by_seg_id in list_list_by_seg_id:
print(list_by_seg_id)
# bother to coreg only if there is more than 1 segment
if len(list_by_seg_id) > 1:
tmp_dir_coreg = create_tmp_dir_for_outfile(os.path.join(tmp_dir, 'coreg'))
# master dem is the first segment
dem_master = list_by_seg_id[0]
k = 0
# for csv summary: first segment
dem_master_id_split = os.path.basename(dem_master).split('_')
dem_master_id = '_'.join(dem_master_id_split[0:5])
dem_master_seg_nb = int(dem_master_id_split[5][3:])
writer.writerow(
[dem_master_id, dem_master_seg_nb, dem_master_seg_nb, 'first_seg', 'first_seg', 'first_seg',
'first_seg', str(k + 1)])
for i in range(len(list_by_seg_id) - 1):
dem_in = list_by_seg_id[i + 1]
print('Master segment is ' + dem_master)
print('Slave segment is ' + dem_in)
# for csv summary: all segments
dem_in_id_split = os.path.basename(dem_in).split('_')
dem_in_id = '_'.join(dem_in_id_split[0:5])
dem_in_seg_nb = int(dem_in_id_split[5][3:])
dem_master_id_split = os.path.basename(dem_master).split('_')
dem_master_seg_nb = int(dem_master_id_split[5][3:])
k0 = k
# deriving intersection
extent = inters_raster(dem_in, dem_master)
nb_init_pixel = valid_points_coreg(dem_master, dem_in)
# try coreg only if intersection is non void
if extent is not None and nb_init_pixel > nb_init_pixel_min:
tmp_dir_seg = create_tmp_dir_for_outfile(dem_in)
# do coreg, save results
try:
out_offs, final_rmse = dem_coregistration_custom(dem_master, dem_in,
outdir=tmp_dir_seg)[2:4]
except Exception:
out_offs = None
final_rmse = 999
if final_rmse < max_coreg_rmse:
str_out = 'good'
else:
str_out = 'breaks'
shutil.move(os.path.join(tmp_dir_seg, 'CoRegistration_Results.pdf'),
os.path.join(dem_dir_out, 'coreg_results', str_out,
os.path.splitext(os.path.basename(dem_in))[0] + '_' +
os.path.splitext(os.path.basename(dem_master))[
0] + '_coreg_results.pdf'))
shutil.move(os.path.join(tmp_dir_seg, 'coreg_params.txt'),
os.path.join(dem_dir_out, 'coreg_results', str_out,
os.path.splitext(os.path.basename(dem_in))[0] + '_' +
os.path.splitext(os.path.basename(dem_master))[
0] + '_coreg_params.txt'))
print('Final coregistration RMSE is:' + str(final_rmse))
# if rmse is good, keep doing mosaics with next segment: mosaic is new master
if final_rmse < max_coreg_rmse:
print('All good. Doing mosaic and iterating to next segment...')
tmp_mosaic_list = [dem_master, os.path.join(tmp_dir_seg,
os.path.splitext(os.path.basename(dem_in))[
0] + '_adj.tif')]
tmp_dem_coreg = os.path.join(tmp_dir_coreg, os.path.basename(list_by_seg_id[i + 1]))
dem_mosaic(tmp_mosaic_list, tmp_dem_coreg, erode_length=0, hole_fill_length=0,
blending_method='mean')
dem_master = tmp_dem_coreg
# if this is the last segment, save mosaic and add to list of finalized mosaics
if i == (len(list_by_seg_id) - 2):
k = k + 1
final_strip = os.path.join(tmp_dir,
list_seg_id[list_list_by_seg_id.index(
list_by_seg_id)] + '_mosaic' + str(
k) + '_' + seg_suf)
shutil.copyfile(dem_master, final_strip)
list_final_strip.append(final_strip)
# otherwise, break the iterative mosaic-ing
else:
# if this is the last segment
if i == (len(list_by_seg_id) - 2):
# if master is the previous segment alone
if dem_master == list_by_seg_id[i]:
print('RMSE is larger than limit of ' + str(
max_coreg_rmse) + 'm: saving last segments independently...')
list_final_strip.append(dem_in)
list_final_strip.append(dem_master)
# if master is a previous ongoing mosaic
else:
k = k + 1
final_strip = os.path.join(tmp_dir,
list_seg_id[list_list_by_seg_id.index(
list_by_seg_id)] + '_mosaic' + str(
k) + '_' + seg_suf)
shutil.copyfile(dem_master, final_strip)
print('RMSE is larger than limit of ' + str(
max_coreg_rmse) + 'm: saving previous mosaic and last segment...')
list_final_strip.append(dem_in)
list_final_strip.append(final_strip)
# if there is still segments to go
else:
# save current mosaic
k = k + 1
final_strip = os.path.join(tmp_dir,
list_seg_id[list_list_by_seg_id.index(
list_by_seg_id)] + '_mosaic' + str(
k) + '_' + seg_suf)
shutil.copyfile(dem_master, final_strip)
print('RMSE is larger than limit of ' + str(
max_coreg_rmse) + 'm: saving previous mosaic, slave is new master...')
list_final_strip.append(final_strip)
# new master is the segment that did not mosaic
dem_master = dem_in
remove_tmp_dir_for_outfile(dem_in)
# if no intersection and last segment
elif i == (len(list_by_seg_id) - 2):
out_offs = None
final_rmse = None
if dem_master == list_by_seg_id[i]:
print('No intersection between master and slave: saving last segments independently...')
list_final_strip.append(dem_in)
list_final_strip.append(dem_master)
# if master is a previous ongoing mosaic
else:
k = k + 1
final_strip = os.path.join(tmp_dir,
list_seg_id[list_list_by_seg_id.index(
list_by_seg_id)] + '_mosaic' + str(
k) + '_' + seg_suf)
shutil.copyfile(dem_master, final_strip)
print(
'No intersection between master and slave: saving previous mosaic and last segment...')
list_final_strip.append(dem_in)
list_final_strip.append(final_strip)
# if no intersection and still segments to go
else:
out_offs = None
final_rmse = None
# save current mosaic
k = k + 1
final_strip = os.path.join(tmp_dir,
list_seg_id[list_list_by_seg_id.index(
list_by_seg_id)] + '_mosaic' + str(
k) + '_' + seg_suf)
shutil.copyfile(dem_master, final_strip)
print(
'No intersection between master and slave: saving previous mosaic, slave is new master...')
list_final_strip.append(final_strip)
# new master is the segment that did not mosaic
dem_master = dem_in
# write data in summary
if out_offs is None:
dx = 'no_inters'
dy = 'no_inters'
dz = 'no_inters'
rmse = 'no_inters'
else:
dx = str(out_offs[0])
dy = str(out_offs[1])
dz = str(out_offs[2])
rmse = str(final_rmse)
writer.writerow([dem_in_id, dem_in_seg_nb, dem_master_seg_nb, dx, dy, dz, rmse, str(k0 + 1)])
remove_tmp_dir_for_outfile(os.path.join(tmp_dir, 'coreg'))
else:
list_final_strip.append(list_by_seg_id[0])
dem_master_id_split = os.path.basename(list_by_seg_id[0]).split('_')
dem_master_id = '_'.join(dem_master_id_split[0:5])
dem_master_seg_nb = int(dem_master_id_split[5][3:])
writer.writerow(
[dem_master_id, dem_master_seg_nb, dem_master_seg_nb, 'only_seg', 'only_seg', 'only_seg',
'only_seg', 'only_seg'])
else:
list_final_strip = list_tmp_dem
# 3/ PROCESSING OF FINAL STRIPS
final_dem = []
for final_strip in list_final_strip:
# 3.1/ FILTER STRIPS
if filter_params is not None:
sys.exit('No filter pre-defined for this DEM product.')
# 3.2/ REPROJECT STRIPS
# raw data is GeoTiff, 3413, 1 arc-sec and -9999 nodata_out
if format_out == 'GTiff' and tgt_EPSG == 3031 and tgt_res is None and nodata_out is -9999:
tmp_dem_proj = final_strip
else:
tmp_dem_proj = os.path.join(tmp_dir, os.path.splitext(os.path.basename(final_strip))[0] + '_proj.tif')
warp_defaultUTM(final_strip, tmp_dem_proj, format_out, 3031, tgt_EPSG, tgt_res, nodata_out, interp_method)
# 3.3/ ELLIPSOID OR GEOID STRIPS
# raw data is ellipsoid WGS84
if geoid:
tmp_dem_geoid = os.path.join(tmp_dir, os.path.splitext(os.path.basename(final_strip))[0] + '_geoid.tif')
ellipsoid_to_geoid(tmp_dem_proj, tmp_dem_geoid)
else:
tmp_dem_geoid = tmp_dem_proj
final_dem.append(tmp_dem_geoid)
for dem in final_dem:
shutil.copyfile(dem, os.path.join(dem_dir_out, os.path.basename(dem)))
remove_tmp_dir_for_outfile(os.path.join(dem_dir_out, 'all_strips'))
print('Fin.')