Added ASTER tif into SRTM hgt converter.

Signed-off-by: vng <viktor.govako@gmail.com>

tools/python/tif2hgt.py

@@ -0,0 +1,37 @@
+import sys
+import os
+import shutil
+import zipfile
+
+def main():
+  if len(sys.argv) != 4:
+    print("Usage: tif2hgt.py <src aster path> <tmp path> <dest srtm path>")
+    return
+
+  aster_path = str(sys.argv[1])
+  tmp_path = str(sys.argv[2])
+  srtm_path = str(sys.argv[3])
+
+  for file in os.listdir(aster_path):
+    if file.endswith(".zip"):
+      dest_dir = tmp_path + '/' + file
+      with zipfile.ZipFile(aster_path + '/' + file, 'r') as zip_ref:
+        os.mkdir(dest_dir)
+        zip_ref.extractall(dest_dir)
+
+        for tif_file in os.listdir(dest_dir):
+          # Sample: ASTGTMV003_N61E010_dem.tif
+          if tif_file.endswith("dem.tif"):
+            print("Process: " + tif_file[11:18])
+
+            arch_name = tif_file[11:18] + '.SRTMGL1.hgt'
+            out_file = srtm_path + '/' + arch_name
+            os.system('gdal_translate -of SRTMHGT ' + dest_dir + '/' + tif_file + ' ' + out_file)
+
+            zipfile.ZipFile(out_file + '.zip', mode='w', compression=zipfile.ZIP_DEFLATED).write(out_file, arch_name)
+
+            os.remove(out_file)
+            shutil.rmtree(dest_dir)
+            break
+
+main()