This document describes the HydrOffice BAG library and tools (0.2). For the source code, go here.
Source code for hydroffice.bag.tools.bag_uncertainty
from __future__ import absolute_import, division, print_function, unicode_literals
import os
import logging
[docs]def main():
logger = logging.getLogger()
logger.setLevel(logging.NOTSET)
import argparse
from hydroffice.bag import BAGFile, is_bag, __version__
app_name = "bag_uncertainty"
app_info = "Extraction of uncertainty layer from an OpenNS BAG file, using hydroffice.bag r%s" % __version__
formats = ['ascii', 'geotiff', 'xyz']
parser = argparse.ArgumentParser(prog=app_name, description=app_info)
parser.add_argument("bag_file", type=str, help="a valid BAG file from which to extract metadata")
parser.add_argument("-f", "--format", help="one of the available file format: " + ", ".join(formats),
choices=formats, default="geotiff", metavar='')
parser.add_argument("-o", "--output", help="the output file", type=str)
parser.add_argument("-v", "--verbose", help="increase output verbosity", action="store_true")
args = parser.parse_args()
if args.verbose:
print("> verbosity: ON")
ch = logging.StreamHandler()
ch.setLevel(logging.DEBUG) # change to WARNING to reduce verbosity, DEBUG for high verbosity
ch_formatter = logging.Formatter('%(levelname)-9s %(name)s.%(funcName)s:%(lineno)d > %(message)s')
ch.setFormatter(ch_formatter)
logger.addHandler(ch)
if args.verbose:
print("> input: %s" % args.bag_file)
if args.output:
args.output = os.path.abspath(args.output)
print("> output: %s" % args.output)
else:
args.output = None
print("> output: [default]")
print("> format: %s" % args.format)
if not os.path.exists(args.bag_file):
parser.exit(1, "ERROR: the input valid does not exist: %s" % args.bag_file)
if not is_bag(args.bag_file):
parser.exit(1, "ERROR: the input valid does not seem a BAG file: %s" % args.bag_file)
bf = BAGFile(args.bag_file)
bag_meta = None
try:
bag_meta = bf.populate_metadata()
except Exception as e:
parser.exit(1, "ERROR: issue in metadata population: %s" % e)
bag_uncertainty = None
try:
bag_uncertainty = bf.uncertainty(mask_nan=False)
except Exception as e:
parser.exit(1, "ERROR: issue in uncertainty population: %s" % e)
try:
from hydroffice.bag.uncertainty import Uncertainty2Gdal
Uncertainty2Gdal(bag_uncertainty=bag_uncertainty, bag_meta=bag_meta, fmt=args.format, out_file=args.output)
except Exception as e:
parser.exit(1, "ERROR: issue in output creation: %s" % e)
if args.verbose:
print("> DONE")
if __name__ == "__main__":
main()