Apply current workspace changes

2026-04-22 01:52:21 +08:00
parent cf34b9a8ed
commit cb518b431f
449 changed files with 92252 additions and 321 deletions
@@ -0,0 +1,144 @@
+#! /usr/bin/env python
+
+#'''
+##################################################################################
+###         Author:   Yun-Meng Cao                                             ### 
+###         Date  :   March, 2017                                              ###  
+###         Email :   ymcmrs@gmail.com                                         ###   
+### Transform SAR coordinates into LAT/LON coordinates based on lookup table   ###    
+##################################################################################
+#'''
+
+import os
+import sys
+import glob
+import time
+import argparse
+
+import h5py
+import numpy as np
+
+def check_variable_name(path):
+    s=path.split("/")[0]
+    if len(s)>0 and s[0]=="$":
+        p0=os.getenv(s[1:])
+        path=path.replace(path.split("/")[0],p0)
+    return path
+
+def read_template(File, delimiter='='):
+    '''Reads the template file into a python dictionary structure.
+    Input : string, full path to the template file
+    Output: dictionary, pysar template content
+    Example:
+        tmpl = read_template(KyushuT424F610_640AlosA.template)
+        tmpl = read_template(R1_54014_ST5_L0_F898.000.pi, ':')
+    '''
+    template_dict = {}
+    for line in open(File):
+        line = line.strip()
+        c = [i.strip() for i in line.split(delimiter, 1)]  #split on the 1st occurrence of delimiter
+        if len(c) < 2 or line.startswith('%') or line.startswith('#'):
+            next #ignore commented lines or those without variables
+        else:
+            atrName  = c[0]
+            atrValue = str.replace(c[1],'\n','').split("#")[0].strip()
+            atrValue = check_variable_name(atrValue)
+            template_dict[atrName] = atrValue
+    return template_dict
+
+def read_data(inFile, dtype, nWidth, nLength):
+    data = np.fromfile(inFile, dtype, int(nLength)*int(nWidth)).reshape(int(nLength),int(nWidth)) 
+    
+    return data
+
+def is_number(s):
+    try:
+        int(s)
+        return True
+    except ValueError:
+        return False
+    
+def add_zero(s):
+    if len(s)==1:
+        s="000"+s
+    elif len(s)==2:
+        s="00"+s
+    elif len(s)==3:
+        s="0"+s
+    return s
+
+
+def UseGamma(inFile, task, keyword):
+    if task == "read":
+        f = open(inFile, "r")
+        while 1:
+            line = f.readline()
+            if not line: break
+            if line.count(keyword) == 1:
+                strtemp = line.split(":")
+                value = strtemp[1].strip()
+                return value
+        print("Keyword " + keyword + " doesn't exist in " + inFile)
+        f.close()
+       
+        
+def usage():
+    print('''
+******************************************************************************************************
+ 
+           Transform SAR coordinates into LAT/LON coordinates based on lookup table
+
+           usage:
+   
+                 SAR2LATLON.py Range Azimuth LookupTableFile UTMDEMpar
+      
+           e.g.  SAR2LATLON.py 1500 1000 /Yunmeng/20201230.utm_to_rdc /Yunmeng/20201230.dem.utm.par
+          
+            
+*******************************************************************************************************
+    ''')   
+
+def main(argv):
+    
+    if len(sys.argv)==5:
+        Range   = sys.argv[1]
+        Azimuth = sys.argv[2]
+        LtFile  = sys.argv[3]
+        UTMPAR  = sys.argv[4]
+    else:
+        usage();sys.exit(1)
+    
+    nWidthUTM = UseGamma(UTMPAR, 'read', 'width:')
+    nLineUTM  = UseGamma(UTMPAR, 'read', 'nlines:')
+   
+    Corner_LAT = UseGamma(UTMPAR, 'read', 'corner_lat:') 
+    Corner_LON = UseGamma(UTMPAR, 'read', 'corner_lon:')
+
+    Corner_LAT =Corner_LAT.split(' ')[0]
+    Corner_LON =Corner_LON.split(' ')[0]
+
+    post_Lat = UseGamma(UTMPAR, 'read', 'post_lat:')
+    post_Lon = UseGamma(UTMPAR, 'read', 'post_lon:')
+
+    post_Lat =post_Lat.split(' ')[0]
+    post_Lon =post_Lon.split(' ')[0] 
+    data = read_data(LtFile,'>c8',nWidthUTM,nLineUTM)   # real: range     imaginary: azimuth
+    
+    Range_LT = data.real
+    Azimuth_LT = data.imag
+    
+    CPX_input =complex(Range + '+' + Azimuth+'j')
+    
+    DD = abs(CPX_input - data)
+    
+    LL= abs(DD)
+    IDX= np.where(LL == LL.min())
+    Lat_out = float(Corner_LAT) + IDX[0]*float(post_Lat)       
+    Lon_out = float(Corner_LON) + IDX[1]*float(post_Lon)
+    
+    print(' Range: ' + Range + '    ' + 'Azimuth: ' + Azimuth)
+    print(' Latitude: ' + str(Lat_out[0]) + '    ' + 'Longitude: ' + str(Lon_out[0]))    
+    
+##############################################################################
+if __name__ == '__main__':
+    main(sys.argv[1:])