def stack_bands_together(src_files, basename):
"""
Take a list of src files of equal position and time, and stack them into a single VRT
:param src_files: []
:param basename: str
:return: filename string
"""
scene_vrt = '{}.vrt'.format(basename)
execute(['gdalbuildvrt', '-separate', scene_vrt] + src_files)
return scene_vrt
def create_tile_files(input_vrt, target_dir='.', pixel_size=4000,
output_format='NetCDF',
create_options=None):
if create_options is None:
create_options = ['FORMAT=NC4', 'COMPRESS=DEFLATE', 'ZLEVEL=1']
csv_path = 'test.csv'
# Make list like ['-co', 'FORMAT=NC4', '-co', 'COMPRESS=DEFLATE', '-co', 'ZLEVEL=1']
create_options = sum([['-co', option] for option in create_options], [])
pixel_size = str(pixel_size)
execute(['gdal_retile.py', '-v', '-targetDir', target_dir,
'-ps', pixel_size, pixel_size,
'-of', output_format, '-csv', csv_path, '-v'] + create_options + [input_vrt])
return list_tile_files(csv_path)
def reproject_and_expand(input_vrt, basename, output_extents, target_srs="EPSG:4326"):
reprojected_vrt = '{}.{}.vrt'.format(basename, target_srs.lower().replace(':', ''))
target_pixel_res = "0.00025"
extents_args = []
if output_extents:
extents_args = ['-te'] + list(output_extents)
execute(['gdalwarp',
'-t_srs', target_srs,
'-of', 'VRT',
'-tr', target_pixel_res, target_pixel_res, # Pixel resolution x,y (Fraction of a degree)
'-tap', # Force to nest within the grid definition
'-srcnodata', '-999',
'-dstnodata', '-999'] +
extents_args +
[input_vrt, reprojected_vrt])
return reprojected_vrt
