infoMultiFileDemo.py

Author

jo, gm

Date

23.10.2018

import opals
from opals import Info
#
# Run opalsInfo and query multiple statistic object for each input file
# (output is disabled)
#
inf = Info.Info(inFile=["strip??.laz"], screenLogLevel=opals.Types.LogLevel.none)
inf.enduranceMode = True    # make sure that all files are processed even if one isn't readable
                            # (no exception is thrown)
inf.run()
stats = inf.statistic
#
# attribute statistics
#
print(f"Individual statistics of {len(stats)} files")
for a in stats:
    if a.isSetErrorMessage():
        # if an error occurred the error message member is set and dataset object will
        # most likely not contain any useful information (except filename)
        print(f"\tError occurred while during file  {a.getFilename()}")
        print(f"\t\t{a.getErrorMessage()}")
    else:
        print(f"\tDetails on file {a.getFilename()}")
        box = a.getBoundingBox()
        print(f"\t\t{a.getPointCount()} points with bounding box ({', '.join([ '%.3f' % d for d in box])})")
 
#
# Re-run and acquire a single merged statistic object
#
inf.merge = True
inf.run()
assert(len(inf.statistic) == 1)     # we will only get one statistic object
merged_stats = inf.statistic[0]
print("\nMerged statistics of all files:")
print(f"\tDetails on files {merged_stats.getFilename()}")
box = merged_stats.getBoundingBox()
print(f"\t\t{merged_stats.getPointCount()} points with bounding box ({', '.join(['%.3f' % d for d in box])})")