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#! /usr/bin/env python
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###########################################################
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# Project: PyINT #
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# Purpose: Interferograms process using python/GAMMA #
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# Author: Yunmeng Cao #
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# Created: Feb. 2017 #
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# Contact : ymcmrs@gmail.com #
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# Copy Right (c): 2017-2019, Yunmeng Cao #
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###########################################################
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import numpy as np
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import os
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import sys
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import subprocess
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import time
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import argparse
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from pyint import _utils as ut
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def _run_or_raise(call_str, stage):
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rc = os.system(call_str)
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if rc != 0:
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raise RuntimeError('%s failed with rc=%s: %s' % (stage, rc, call_str))
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return rc
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def cmdLineParse():
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parser = argparse.ArgumentParser(description='Interferograms processing using PyINT.',\
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formatter_class=argparse.RawTextHelpFormatter,\
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epilog=INTRODUCTION+'\n'+EXAMPLE)
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parser.add_argument('projectName', help='name of the project.')
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parser.add_argument('-g', '--generate', action='store_true', dest='generate_structure', \
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help='Generate project directory structure if not exists.')
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inps = parser.parse_args()
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return inps
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INTRODUCTION = '''
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-----------------------------------------------------------------------------------
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Single or time-series of interferometry processing for satellite based
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Synthetic Aperture Radar (SAR) images start from downloading data to
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generate unwrapped-differential interferograms.
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Details please check: https://github.com/ymcmrs/PyINT
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General work-flow:
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1) download data : download SLCs using SSARA/Scihub/ASF
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SSARA: https://github.com/bakerunavco/SSARA
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Scihub: Copernicus Open Access Hub
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ASF: Alaska Satellite Facility (for Sentinel-1)
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[You should provide Sensor, Track, Frame, or Time information in template]
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2) generate SLC : raw 2 slc (multi-frame processing is also supported)
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[include orbit correction for S1,ASAR,ERS and burst-extraction for S1]
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3) generate DEM : reference image related geo-dem, rdc-dem, lookup table will be generated.
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[SRTM-1 will be downloaded and processed automatically if not provided]
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4) coregister SLC : coregister SLCs to the reference SLC iamge.
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[with assistant of DEM]
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5) select pairs : select interferometric pairs for time-series processing.
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[networks of sbas, sequential, delaunay, and stars are supported]
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6) interferometry : generate unwrapped differential interferograms.
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[include differential, unwrapping, and geocoding]
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7) offset tracking: pixel offset tracking (POT) for displacement measurement.
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[two-round estimation with GAMMA offset_pwr_tracking]
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8) GACOS correction: apply GACOS tropospheric atmospheric correction.
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[requires GACOS ZTD data for master and slave dates]
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Note:
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i) Single interferogram processing please use slc2ifg.py or raw2ifg.py
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ii) Multi-processor parallel processing is supported, but keep in mind GAMMA calls multi-threads already.
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iii) ASF download supports both bounding box and Shapefile for spatial filtering.
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iv) GACOS correction requires geocoded interferograms (set geocode_all=1 first).
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'''
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EXAMPLE = """Usage:
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pyintApp.py -h
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pyintApp.py projectName #[projectName.template should be available in TEMPLATEDIR]
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pyintApp.py -g projectName #Generate project directory structure if not exists
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------------------------------------------------------------------------------------
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"""
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def main(argv):
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start_time = time.time()
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inps = cmdLineParse()
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projectName = inps.projectName
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templateDir = os.getenv('TEMPLATEDIR')
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scratchDir = os.getenv('SCRATCHDIR')
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workDir = scratchDir + '/' + projectName
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# Generate project directory structure if -g flag is set and directory doesn't exist
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if inps.generate_structure:
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if not os.path.isdir(workDir):
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print('Generating project directory structure for: %s' % projectName)
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os.makedirs(workDir, exist_ok=True)
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os.makedirs(workDir + '/DOWNLOAD', exist_ok=True)
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os.makedirs(workDir + '/SLC', exist_ok=True)
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os.makedirs(workDir + '/RSLC', exist_ok=True)
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os.makedirs(workDir + '/DEM', exist_ok=True)
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os.makedirs(workDir + '/ifgrams', exist_ok=True)
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print('Project directory structure created successfully.')
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print('Directory structure:')
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print(' %s/' % projectName)
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print(' ├── DOWNLOAD/')
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print(' ├── SLC/')
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print(' ├── RSLC/')
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print(' ├── DEM/')
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print(' └── ifgrams/')
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return
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else:
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print('Project directory already exists: %s' % workDir)
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print('Skipping directory structure generation.')
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return
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templateFile = templateDir + "/" + projectName + ".template"
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templateDict = ut.update_template(templateFile)
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masterDate = templateDict['masterDate']
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rlks = templateDict['range_looks']
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azlks = templateDict['azimuth_looks']
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satelite = templateDict['satelite']
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HGTSIM = scratchDir + '/' + projectName + '/DEM/' + ut.yyyymmdd(masterDate) + '_' + rlks + 'rlks.rdc.dem'
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DataDir = workDir + '/' + 'DOWNLOAD'
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DEMDir = workDir + '/' + 'DEM'
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os.chdir(scratchDir)
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if not os.path.isdir(workDir):
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os.mkdir(workDir)
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os.chdir(workDir)
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os.mkdir(DataDir)
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os.mkdir(DEMDir)
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os.chdir(DataDir)
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else:
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os.chdir(DataDir)
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### download data
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if templateDict['download_data'] == '1':
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if templateDict['Data_Hub'] == 'SSARA':
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print('Start to download SAR data using SSARA...')
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call_str = 'ssara_federated_query.py -p ' + templateDict['sensor'] + ' -r ' + templateDict['track'] + ' -f ' + templateDict['frame'] + ' -s ' + templateDict['start_time'] + ' -e ' + templateDict['end_time'] + ' --print --download --parallel ' + templateDict['down_parallel']
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print(call_str)
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_run_or_raise(call_str, 'download_data_ssara')
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elif templateDict['Data_Hub'] == 'Scihub':
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print('Start to downlad SAR data from Scihub')
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call_str = 'scihub_search_s1_data.py ' + projectName + ' -s ' + templateDict['start_time'] + ' -e ' + templateDict['end_time'] + ' -p ' + templateDict['producttype'] +' -r ' + templateDict['region_box'] + ' -n ' + templateDict['Orbit_number'] + ' -d ' + templateDict['Direction'] + ' -sm ' + templateDict['Sence_model'] + ' -o ' + templateDict['output_file']
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print(call_str)
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_run_or_raise(call_str, 'download_data_scihub')
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elif templateDict['Data_Hub'] == 'ASF':
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print('Start to download Sentinel-1 SLC data from ASF...')
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# 获取必要的参数
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path_SLC = DataDir
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path_RSLC = workDir + '/RSLC'
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date_start = templateDict.get('start_time', '20170101')
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date_end = templateDict.get('end_time', '20240101')
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# 构建基本命令
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call_str = 'API_download_S1_SLC.py -s ' + path_SLC + ' -r ' + path_RSLC + ' -i ' + date_start + ' -j ' + date_end
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# 添加用户名和密码（如果提供）
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if 'asf_username' in templateDict and templateDict['asf_username'].strip():
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call_str += ' -u ' + templateDict['asf_username']
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if 'asf_password' in templateDict and templateDict['asf_password'].strip():
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call_str += ' -p ' + templateDict['asf_password']
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# 添加边界框或Shapefile
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if 'shapefile' in templateDict and templateDict['shapefile'].strip():
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call_str += ' --shp ' + templateDict['shapefile']
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elif 'bbox' in templateDict and templateDict['bbox'].strip():
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call_str += ' -b ' + templateDict['bbox']
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elif 'asf_bbox' in templateDict and templateDict['asf_bbox'].strip():
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call_str += ' -b ' + templateDict['asf_bbox']
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# 添加轨道号（可选）
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if 'relative_orbit' in templateDict and templateDict['relative_orbit'].strip():
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call_str += ' -o ' + str(templateDict['relative_orbit'])
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elif 'track' in templateDict and templateDict['track'].strip():
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call_str += ' -o ' + str(templateDict['track'])
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# 添加帧号（可选）
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if 'frame' in templateDict and templateDict['frame'].strip():
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call_str += ' --frame ' + str(templateDict['frame'])
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# 添加飞行方向（可选，默认为升轨）
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if 'flight_direction' in templateDict:
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call_str += ' -f ' + templateDict['flight_direction']
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else:
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call_str += ' -f a' # 默认升轨
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# 添加波束模式（默认IW）
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if 'acquisition_mode' in templateDict:
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call_str += ' -q ' + templateDict['acquisition_mode']
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else:
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call_str += ' -q IW' # 默认IW模式
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# 输出格式和下载选项
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call_str += ' -m csv -w Y'
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# 添加并行下载参数
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if 'down_parallel' in templateDict and templateDict['down_parallel'].strip():
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call_str += ' --parallel ' + str(templateDict['down_parallel'])
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print(call_str)
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_run_or_raise(call_str, 'download_data_asf')
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### raw 2 slc
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if templateDict['raw2slc_all'] == '1': # only for S1 data now
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print('Start to convert downloaded-raw data into SLC ...')
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print('Number of processor: %s' % str(templateDict['raw2slc_all_parallel']))
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if satelite=='S1A':
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call_str = 'down2slc_sen_all.py ' + projectName + ' --parallel ' + templateDict['raw2slc_all_parallel']
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_run_or_raise(call_str, 'raw2slc_s1')
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elif satelite=='ALOS':
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call_str = 'down2slc_alos_all.py ' + projectName + ' --parallel ' + templateDict['raw2slc_all_parallel']
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_run_or_raise(call_str, 'raw2slc_alos')
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elif satelite=='LT':
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call_str = 'down2slc_LT1_all.py ' + projectName + ' --parallel ' + templateDict['raw2slc_all_parallel']
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_run_or_raise(call_str, 'raw2slc_lt1')
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### extract bursts
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if templateDict['extract_burst_all'] == '1':
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print('Start to extract common bursts ...')
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print('Number of processor: %s' % str(templateDict['extract_all_parallel']))
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call_str = 'extract_s1_bursts_all.py ' + projectName + ' --parallel ' + templateDict['extract_all_parallel']
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_run_or_raise(call_str, 'extract_burst_all')
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### generate rdc_dem
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if not os.path.isfile(HGTSIM):
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print('Start to generate geometry file ...')
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call_str = 'makedem_pyint.py ' + projectName
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_run_or_raise(call_str, 'makedem_pyint')
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call_str = 'generate_rdc_dem.py ' + projectName
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_run_or_raise(call_str, 'generate_rdc_dem')
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### coreg SLC
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if templateDict['coreg_all'] == '1':
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print('Start to coregister SLCs ...')
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print('Number of processor: %s' % str(templateDict['coreg_all_parallel']))
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call_str = 'coreg_gamma_all.py ' + projectName + ' --parallel ' + templateDict['coreg_all_parallel']
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_run_or_raise(call_str, 'coreg_all')
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### select interferometric pairs
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if templateDict['select_pairs'] == '1':
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print('Start to select interferometric pairs ...')
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print('Network selection method: %s' % templateDict['network_method'])
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#print('Meximum temporal baseline threshold: %s' % templateDict['max_tb'])
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#print('Meximum spatial baseline threshold: %s' % templateDict['max_sb'])
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call_str = 'select_pairs.py ' + projectName
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_run_or_raise(call_str, 'select_pairs')
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### diff ifg
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if templateDict['diff_all'] == '1':
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print('Start to generate differential interferograms ...')
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print('Number of processor: %s' % str(templateDict['diff_all_parallel']))
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call_str = 'diff_gamma_all.py ' + projectName + ' --parallel ' + templateDict['diff_all_parallel']
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_run_or_raise(call_str, 'diff_all')
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### Pixel Offset Tracking (POT)
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if templateDict['pot_all'] == '1':
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print('Start to run Pixel Offset Tracking (POT) ...')
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print('Number of processor: %s' % str(templateDict['pot_all_parallel']))
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call_str = 'POT_gamma_all.py ' + projectName + ' --parallel ' + templateDict['pot_all_parallel']
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_run_or_raise(call_str, 'pot_all')
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### unw ifg
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if templateDict['unwrap_all'] == '1':
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print('Start to unwrap interferometric phases ...')
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print('Number of processor: %s' % str(templateDict['unwrap_all_parallel']))
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call_str = 'unwrap_gamma_all.py ' + projectName + ' --parallel ' + templateDict['unwrap_all_parallel']
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_run_or_raise(call_str, 'unwrap_all')
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### atmcor ifg
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if templateDict['atmcor_all'] == '1':
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print('Start to correct atmospheric phase ...')
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print('Number of processor: %s' % str(templateDict['atmcor_all_parallel']))
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call_str = 'atm_correction_gamma_all.py ' + projectName + ' --parallel ' + templateDict['atmcor_all_parallel']
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_run_or_raise(call_str, 'atmcor_all')
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### geocode ifg
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if templateDict['geocode_all'] == '1':
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print('Start to geocode Ifgs ...')
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print('Number of processor: %s' % str(templateDict['geocode_all_parallel']))
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call_str = 'geocode_gamma_all.py ' + projectName + ' --parallel ' + templateDict['geocode_all_parallel']
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_run_or_raise(call_str, 'geocode_all')
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### Convert GAMMA outputs to LiCSBAS format
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if templateDict.get('gamma2licsbas_all', '0') == '1':
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print('Start to convert GAMMA outputs to LiCSBAS format ...')
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print('Number of processor: %s' % str(templateDict.get('gamma2licsbas_all_parallel', '1')))
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call_str = 'gamma2licsbas_gamma_all.py ' + projectName + ' --parallel ' + templateDict.get('gamma2licsbas_all_parallel', '1')
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_run_or_raise(call_str, 'gamma2licsbas_all')
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### GACOS atmospheric correction (after geocoding)
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if templateDict['gacos_correction'] == '1':
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print('Start to apply GACOS atmospheric correction ...')
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gacos_dir = templateDict.get('gacos_dir', '').strip()
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gacos_email = templateDict.get('gacos_email', '').strip()
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call_str = 'gacos_gamma_all.py ' + projectName + ' --skip-existing'
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if gacos_dir:
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call_str += ' --ztd-dir ' + gacos_dir
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if gacos_email:
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call_str += ' --email ' + gacos_email
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print(call_str)
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_run_or_raise(call_str, 'gacos_correction')
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### Convert GAMMA outputs to HyP3 UTM format
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if templateDict.get('hyp3format_all', '0') == '1':
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print('Start to convert GAMMA outputs to HyP3 UTM format ...')
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print('Number of processor: %s' % str(templateDict.get('hyp3format_all_parallel', '1')))
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call_str = 'hyp3format_gamma_all.py ' + projectName + ' --parallel ' + templateDict.get('hyp3format_all_parallel', '1')
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_run_or_raise(call_str, 'hyp3format_all')
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### load data
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if templateDict['load_data'] == '1':
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print('Start to load data for mintPy time-series analysis ...')
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call_str = 'load_mintpy.py ' + projectName
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_run_or_raise(call_str, 'load_data')
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print("PyINT processing for project %s is done." % projectName)
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ut.print_process_time(start_time, time.time())
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sys.exit(0)
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if __name__ == '__main__':
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main(sys.argv[:])
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Block a user