Parser for the GeoSuite[tm] PRV export format

EMerald Geomodelling

Last update: Dec 17, 2021

Related tags

Miscellaneous geotechnical-engineering file-format-library

Overview

Parser for the GeoSuite[tm] PRV export format

This library provides functionality to parse geotechnical investigation data in .prv files generated by Trimbles GeoSuite.

Note: This parser is based on reverse-engineering, not a published standard. Some details in the format might have been missed, or might have changed in newer versions.

The datamodel is (mostly) compatible with libsgfdata, meaning that it is possible to (with fields not being properly renamed/transformed) save the loaded data as an SGF file.

Usage

>>> data = libgeosuiteprv.parse("SOMEFILE.PRV" )
>>> data
[{'main': [{'method_code': 23,
            'method_name': 'rps',
            'day': 23,
            'month': 5,
            'year': 2011,
            'date': '2011-5-23',
            'stop_code': 91,
            'stop_desc': 'abandoned_hit_hard_surface',
            'depth_increment': 0.021,
            'depth_bedrock': None,
            'x_coordinate': 288557.381,
            'y_coordinate': 6667259.708,
            'z_coordinate': 139.01}],
  'data':        depth  feed_force  flushing  extra_spin  hammering  pumping comments
  0      0.021       102.0         0           0          0        0         
  1      0.042      1318.0         0           0          0        0         
  2      0.052      1038.0         0           0          0        0         
  3      0.072      1101.0         0           0          0        0         
  4      0.100      1728.0         0           0          0        0         
  ...      ...         ...       ...         ...        ...      ...      ...
  1326  28.550      5301.0         0           1          0        0         
  1327  28.570      9423.0         0           1          0        0         
  1328  28.605     12217.0         0           1          0        0         
  1329  28.631     11564.0         0           1          0        0         
  1330  28.650     11942.0         0           1          0        0         
  
  [1331 rows x 7 columns]}]
  
>>> libsgfdata.dump(data, "somefile.sgf")

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Comments

Pandas deprication warning

python 3.9.13 libgeosuiteprv==0.0.5 pandas==1.5.0

When running the lib i get a deprication warning outputted to console, as noted below:

libgeosuiteprv \ init.py: 46: FutureWarning: The frame.append method is deprecated and will be removed from pandas in a future version. Use pandas.concat instead. df = df.append(pd.Series(data_num), ignore_index=True)
bug

opened by danpejobo 0

Date handling

Broken/missing dates break parsing. To fix:

https://github.com/emerald-geomodelling/libgeosuiteprv/blob/master/libgeosuiteprv/init.py#L32

should change into

'date': parse_date(firstline_list[2]),

and

def parse_date(v):
    try:
        if len(v) >= 8:
            return dateutil.parser.isoparse(v).date()
    except ValueError as exception:
        logger.debug("Unable to parse date as iso %s: %s" % (v, exception))
    try:
        return dateutil.parser.parse(v, parserinfo=dateutil.parser.parserinfo(dayfirst=True)).date()
    except Exception as e:
        logger.debug("Unable to parse date %s: %s" %(v,e))
        return v

should be added (see libsgfdata for similar code)...

opened by redhog 0