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API Reference

Survey Classes (Equipment)

Survey

Bases: object

Super class from which specific equipment surveys are created

__init__(*, filepath='', site_name=None, site_id=None, date=None, time=None, latitude=np.nan, longitude=np.nan, survey_type='Unknown', equipment_class='Unknown', **kwargs)

Attributes:

Name Type Description
filepath str

path to raw survey folders or files

site_name str

name of location surveyed

site_id str

id of location surveyed

date TimeStamp

date on which survey was conducted

time TimeStamp

time at which survey began

latitude float

latitudinal coordinate of survey site

longitude float

longitudinal coordinate of survey site

survey_type str

category of instrument used to record the survey

equipment_class str

name of the instrument used, usually including manufacturer and model number

identify_unique_file_type(file_type)

Identify name of first unique file of specified type in survey folder

Returns:

Type Description
str

file path for file with specified file type suffix

require_site_id()

Request user input for sites without an ID

Returns:

Type Description
str

user entered string for survey site id

return_coordinates()

Return location as shapely Point geometry

Returns:

Type Description
Point

pair of coordinates in EPSG:4326

Sontek RS5 ADCP

Bases: Survey

Survey object with additional attributes and methods to capture data unique to the Sontek RS5 ADCP

__init__(**kwargs)

Attributes:

Name Type Description
transects list

store for individual Transect objects that contribute to the survey

metadata DataFrame

contains basic survey metadata captured from multiple files generated during the survey

dis DataFrame

contains transect level metadata from the generated .dis file

extract_dis()

Extract survey metadata and transect summary data from first .dis file

Returns:

Type Description
TimeStamp

date on which survey was conducted

str

name of location surveyed

TimeStamp

time at which survey began

float

survey discharge in m3/s

float

mean survey depth in m

Dataframe

survey metadata information

Dataframe

transect metadata information, one row per transect

extract_kml_geodata()

Extract transect geotracking data as geodataframes

Returns:

Type Description
list

names of each layer in a .kml file

extract_kml_metadata()

Extract transect metadata specific to the .kml file

Returns:

Type Description
list

listed dictionaries of specific metadata values

str

file path for file with .kml suffix

generate_transects(kml_metadata, kml_layers)

Create transects for survey as transect class using metadata from .kml file

Parameters:

Name Type Description Default
kml_metadata list

contains dictionaries with unique metadata for each transect extracted from the kml files

required
kml_layers list

contains geospatial information for each type of tracking used on the Transects extracted from the kml files

required

Returns:

Type Description
Transect

appends a Transect object to self.transect for each cross-section conducted in the survey

get_location()

Use first geo-location reading of first transect to gather survey location

Returns:

Type Description
float

latitudinal coordinate in EPSG:4326

float

longitudinal coordinate in EPSG:4326

identify_unique_file_type(file_type)

Identify name of first unique file of specified type in survey folder

Returns:

Type Description
str

file path for file with specified file type suffix

ingest_survey()

Top level function to ingest an ADCP survey

require_site_id()

Request user input for sites without an ID

Returns:

Type Description
str

user entered string for survey site id

return_coordinates()

Return location as shapely Point geometry

Returns:

Type Description
Point

pair of coordinates in EPSG:4326

Sontek RS5 ADCP – Transect

Bases: object

Unique to Sontek ADCP, a transect is a single cross-section that forms part of a complete survey, it is almost comparable to an entire survey for a FlowStick

__init__(survey, raw_id, processed_id, type, track_reference, depth_reference, start_edge, geopath)

Attributes:

Name Type Description
survey SontekADCPSurvey

survey which the transect is a part of

raw_id str

id automatically assigned to the raw transect, before is checked and either accepted or discarded

processed_id str

id assigned to the transect after being accepted

type str

shape of the transect conducted, usually linear cross-section or loop

datetime TimeStamp

start time of the transect

track_refernce str

which of the geo-tracking methods was used for the final output

depth_reference str

which of the depth sensors was used for the final output

start_edge str

which bank of the water body did the survey begin, based on looking downstream

metadata DataFrame

contains transect metadata from survey level .dis file

geopath str

name of the layer in the .kml that stores the final geotracking information for the transect

geodata GeoDataFrame

contains geospatial information extract from the .kml file

sum DataFrame

contains summary information from ensemble (vertical column) that makes up each transect, extracted from .sum file

vel DataFrame

contains velocity information from each cell (horizontal slice of an ensemble), extracted from .ENU.vel file

snr DataFrame

contains sensor information from each of the four sensors from each cell (horizontal slice of an ensemble), extracted from .snr file

extract_snr()

Extract sensor data from transect .snr file

Returns:

Type Description
DataFrame

transect sensor data

extract_sum()

Extract summary data from transect .sum file

Returns:

Type Description
DataFrame

transect summary data

extract_vel()

Extract velocity data from transect .vel file

Returns:

Type Description
DataFrame

transect velocity data

get_datetime()

Get transect datetime using reading from first data collection

Returns:

Type Description
TimeStamp

datetime transect began

get_geodata(kml_path)

Pull transect geodata from survey .kml data

Parameters:

Name Type Description Default
kml_path str

path to survey kml file

required

Returns:

Type Description
GeoDataFrame

contains transect geotracking data

get_metadata(survey)

Pull transect metadata from survey .dis data

Parameters:

Name Type Description Default
survey Survey

survey transect belongs to

required

Returns:

Type Description
DataFrame

single row dataframe with transect metadata

get_processed_id(survey)

Check survey .dis file to see if transect was processed and given new ID

Parameters:

Name Type Description Default
survey Survey

survey transect belongs to

required

Returns:

Type Description
str

transect id if passed post-survey checks by user

identify_transect_file_type(file_type)

Identify name of the file in survey folder belonging to specific transect of a specified file type

Parameters:

Name Type Description Default
file_type str

suffix of the file to be retrieved

required

Returns:

Type Description
str

path to specified file type

plot_geodata()

Plot comparison of three transect geotracking methods for specific transect

Returns:

Type Description
plot

plot of the three onboard geotracking methods

Sontek FlowTracker2

Bases: Survey

Survey object with additional attributes and methods to capture data unique to the Sontek FlowTracker2

__init__(**kwargs)

Attributes:

Name Type Description
metadata DataFrame

contains basic survey metadata generated during the survey

dis DataFrame

contains vertical level metadata from the generated .dis file

sum DataFrame

contains summary information from each vertical that makes the survey, extracted from .sum file

dat DataFrame

contains summary information from each vertical that makes the survey, extracted from .dat file

ctl DataFrame

contains information for equipment configuration during the survey, extracted from .ctl file

extract_ctl()

Extract survey controller data from first .ctl file

Returns:

Type Description
DataFrame

survey equipment configuration metadata

extract_dat()

Extract survey data from first .dat file

Returns:

Type Description
DataFrame

vertical summary data from specific variables including temperature

extract_dis()

Extract survey metadata and transect summary data from first .dis file

Returns:

Type Description
DataFrame

vertical level metadata from the generated .dis file

str

name of location surveyed

TimeStamp

date on which survey was conducted

TimeStamp

time at which survey began

float

latitudinal value of survey location

float

longitudinal value of survey location

float

survey discharge in m3/s

float

survey temperature in degC

float

mean survey depth in m

DataFrame

basic survey metadata generated during the survey

extract_sum()

Extract survey summary data from first .sum file

Returns:

Type Description
DataFrame

survey summary data

get_trusted_site_id()

If we trust the source of the site ID, extract it

Returns:

Type Description
str

site id with blank spaces removed

identify_unique_file_type(file_type)

Identify name of first unique file of specified type in survey folder

Returns:

Type Description
str

file path for file with specified file type suffix

ingest_survey(trust_id=False)

Top level function to ingest a FlowTracker survey

require_site_id()

Request user input for sites without an ID

Returns:

Type Description
str

user entered string for survey site id

return_coordinates()

Return location as shapely Point geometry

Returns:

Type Description
Point

pair of coordinates in EPSG:4326

Nivus FlowStick

Bases: Survey

Survey object with additional attributes and methods to capture data unique to the Nivus FlowStick

__init__(**kwargs)

Attributes:

Name Type Description
metadata DataFrame

contains basic survey metadata generated during the survey

sections DataFrame

contains informations about measurements calculated for the area between two verticals (points)

points DataFrame

contains information from each vertical measured as part of the survey

extract_csv()

Extract survey metadata and data from survey .csv file

Returns:

Type Description
DataFrame

basic survey metadata generated during the survey

DataFrame

informations about measurements calculated for the area between two verticals (points)

DataFrame

information from each vertical measured as part of the survey

str

name of location surveyed

TimeStamp

date on which survey was conducted

TimeStamp

time at which survey began

float

survey discharge in m3/s

float

survey temperature in degC

float

mean survey depth in m

identify_unique_file_type(file_type)

Identify name of first unique file of specified type in survey folder

Returns:

Type Description
str

file path for file with specified file type suffix

ingest_survey()

Top level function to ingest a FlowStick survey

require_site_id()

Request user input for sites without an ID

Returns:

Type Description
str

user entered string for survey site id

return_coordinates()

Return location as shapely Point geometry

Returns:

Type Description
Point

pair of coordinates in EPSG:4326

OTT MF Pro

Bases: Survey

Survey object with additional attributes and methods to capture data unique to the Nivus FlowStick

__init__(**kwargs)

Attributes:

Name Type Description
metadata DataFrame

contains basic survey metadata generated during the survey

data DataFrame

contains information gathered at each vertical during the survey

convert_flow_to_m3s()

Convert metadata value from litres/second to m^3/second

Returns:

Type Description
DataFrame

survey metadata with flow in m^3/s

DataFrame

survey data with flow in m^3/s

convert_to_m()

Convert data columns from metres to centimetres

Returns:

Type Description
DataFrame

survey data with distance values in m

extract_from_tsv()

Extract survey metadata and data from survey .tsv file

Returns:

Type Description
TimeStamp

date on which survey was conducted

TimeStamp

time at which survey began

DataFrame

basic survey metadata generated during the survey

DataFrame

contains information gathered at each vertical during the survey

identify_unique_file_type(file_type)

Identify name of first unique file of specified type in survey folder

Returns:

Type Description
str

file path for file with specified file type suffix

ingest_survey()

Top level function to ingest an OTT MF Pro survey

require_site_id()

Request user input for sites without an ID

Returns:

Type Description
str

user entered string for survey site id

return_coordinates()

Return location as shapely Point geometry

Returns:

Type Description
Point

pair of coordinates in EPSG:4326

update_metadata()

Update class attributes using values from metadata

Returns:

Type Description
str

site name pulled from metadata

float

total discharge pulled from metadata

float

mean depth pulled from metadata, converted to m if required

Extract Surveys

extract_nivusflowstick_surveys(path)

Extract Nivu[s] FlowStick data from the raw files

Parameters:

Name Type Description Default
path str

path to where raw survey data folders are contained

required

Returns:

Type Description
list

all NivuFlowStick objects successfully extracted from the raw files

extract_ottmfpro_surveys(path)

Extract OTT MF Pro data from the raw files

Parameters:

Name Type Description Default
path str

path to where raw survey data files are contained

required

Returns:

Type Description
list

all OTTMFProSurvey objects successfully extracted from the raw files

extract_sontekadcp_surveys(path, plot_transects=False)

Extract Sontek RS5 ADCP survey level and transect level data from the raw files

Parameters:

Name Type Description Default
path str

path to where raw survey data folders are contained

required
plot_transects bool

whether transect geotracks should be shown when being imported

False

Returns:

Type Description
list

all SontekADCPSurvey objects successfully extracted from the raw files

extract_sontekflowtracker_surveys(path, trust_id=False)

Extract Sontek FlowTracker2 data from the raw files

Parameters:

Name Type Description Default
path str

path to where raw survey data folders are contained

required

Returns:

Type Description
list

all SontekFlowTrackerSurvey objects successfully extracted from the raw files

Plot Surveys

add_bar_legend(ax, pc, label, profile_type_colours)

Add custom combined legend if beam type bar included in plot

Parameters:

Name Type Description Default
ax axis

plot containing the cross-section

required
pc PatchCollection

cross-section cells including fill colour

required
label str

title for the colour bar legend including sensor number and units

required
profile_type_colours dict

maps beam type to the colour of the bar section

required

Returns:

Type Description
axis

plot with added colour bar at bottom of plot

create_bar_sections(df, widths)

Create bar showing each vertical of the transect, with each section filled according to the beam type used

Parameters:

Name Type Description Default
df DataFrame

transect velocity / sensor and location information

required
widths list

contains width of each vertical in the cross-section

required

Returns:

Type Description
list

contains sub-lists for start point and width of each bar section

list

colours to be used on each section of the bar

dict

maps beam type to the colour of the bar section

create_plot_df(transect)

Adds required data for cross-section plot into a single dataframe

Parameters:

Name Type Description Default
transect TransectADCP

transect to be plotted

required

Returns:

Type Description
DataFrame

dataframe containing velocity and location data for the chosen transect

crop_transect_df(df)

Crops start of dataframe to remove rows where the ADCP goes back on itself (happens at start of most ADCP surveys)

Parameters:

Name Type Description Default
df DataFrame

transect velocity / sensor and location information

required

Returns:

Type Description
DataFrame

cropped dataframe from last timestep after ADCP travels backwards

generate_dB_cells(df, snr_df, widths, s_tpl, loc_tpl, Sx)

Generate the cells and corresponding values for a transect

Parameters:

Name Type Description Default
df DataFrame

transect velocity and location information

required
snr_df DataFrame

transect sensor data

required
widths list

contains width of each vertical in the cross-section

required
s_tpl str

template name ready for infilling with specific cell being looked at (used to get df column) i.e. Cell© S{Sx} (dB)

required
loc_tpl str

template name ready for infilling with specific cell being looked at (used to get df column) i.e. Cell{c} Loc (m)

required
Sx str

which of the 4 sensors decibel measurements to plot

required

Returns:

Type Description
list

all cell co-ordinates for the transect

list

all cell decibel values for the transect

generate_velocity_cells(df, widths, v_tpl, loc_tpl, Vx)

Generate the cells and corresponding values for a transect

Parameters:

Name Type Description Default
df DataFrame

transect velocity / sensor and location information

required
widths list

contains width of each vertical in the cross-section

required
v_tpl str

template name ready for infilling with specific cell being looked at (used to get df column) i.e. Cell© V{Vx} (m/s)

required
loc_tpl str

template name ready for infilling with specific cell being looked at (used to get df column) i.e. Cell{c} Loc (m)

required
Vx str

which of the 4 sensors velocity measurements to plot

required

Returns:

Type Description
list

all cell co-ordinates for the transect

list

all cell velocity values for the transect

plot_bar(ax, bar_segments, bar_y, bar_height, bar_colours)

Plot the bar

Parameters:

Name Type Description Default
ax axis

plot containing the cross-section

required
bar_segments list

contains sub-lists for start point and width of each bar section

required
bar_y float

y-axis co-ordinate for where to plot the bar

required
bar_height float

final height of the bar based on depth of cross-section

required
bar_colours list

colours to be used on each section of the bar

required

Returns:

Type Description
axis

plot with added colour bar at bottom of plot

plot_transect_cross_section(transect, crop_start=True, include_PCBB_depth=False, Vx='V1', show_beam_type=False, gradient='BuPu')

Plot a single transect velocity values (cross-section)

Parameters:

Name Type Description Default
transect TransectADCP

chosen transect object for plotting

required
crop_start bool

whether to remove the portion of the transect where the ADCP is let to drift and then pulled back before the 'official' crossing begins

True
include_PCBB_depth bool

whether to plot the depth including the maximum depth reached by the PCBB type beam (PC is standard and desired for a vertical), usually these record depths significantly below the river bed so can hinder the y-axis of the plot

False
Vx str

which of the 4 sensors velocity measurements to plot (V1 is standard as it is most directly in the direction of downstream flow)

'V1'
show_beam_type bool

whether to include bar showing which beam type (PC / PCBB / BB) measured each vertical

False
gradient str

matplotlib colormap to use for the plot

'BuPu'

Returns:

Type Description
axis

complete transect (cross-section) plot

plot_transect_sensor_cross_section(transect, crop_start=True, include_PCBB_depth=True, Vx='V1', show_beam_type=True, gradient='BuPu', Sx='SNR1')

Plot a single transect sensor decibel values (cross-section)

Parameters:

Name Type Description Default
transect TransectADCP

chosen transect object for plotting

required
crop_start bool

whether to remove the portion of the transect where the ADCP is let to drift and then pulled back before the 'official' crossing begins

True
include_PCBB_depth bool

whether to plot the depth including the maximum depth reached by the PCBB type beam (PC is standard and desired for a vertical), usually these record depths significantly below the river bed so can hinder the y-axis of the plot

True
Vx str

which of the 4 sensors velocity measurements to use for calculating the mask depth (if include_PCBB_depth=False this ensures the plot is correctly proportioned on the y-axis)

'V1'
show_beam_type bool

whether to include bar showing which beam type (PC / PCBB / BB) measured each vertical

True
gradient str

matplotlib colormap to use for the plot

'BuPu'
Sx str

which of the 4 sensors decibel measurements to plot

'SNR1'

Returns:

Type Description
axis

complete transect (cross-section) plot

set_bar_shape(y_max, cell_half_height_global)

Set the height of the complete bar for adding to the plot

Parameters:

Name Type Description Default
y_max float

maximum depth value recorded across any vertical

required
cell_half_height_global float

half the median height of a cell in the cross-section

required

Returns:

Type Description
float

y_max update to account for the height of the bar

float

y-axis co-ordinate for where to plot the bar

float

final height of the bar based on depth of cross-section

Export to Timeseries

export_timeseries(timeseries_df, export_path)

Export a single site timeseries as parquet file (.csv to be added)

Parameters:

Name Type Description Default
timeseries_df DataFrame

dataframe contaning timeseries information for all surveyed sites

required
export_path str

location of the top level output folder

required

Returns:

Type Description
parquet

n files, one per site, named after the site, with date, flow and sensor metadata

get_timeseries_row(survey)

Extract timestamp and discharge information from a survey

Parameters:

Name Type Description Default
survey Survey

any survey type object e.g. Sontek ADCP, Sontek FT2, OTT MF Pro

required

Returns:

Type Description
dict

timeseries metadata including site id

handle_datetime_formats(df)

Temporary function

surveys_to_fdri_timeseries(surveys, export_path)

Export to UKCEH Observatory

check_site_exists(site_id, export_path)

export_sites(surveys, catchment, export_path)

Export sites surveyed in Observatory csv format

Parameters:

Name Type Description Default
surveys

contains survey class objects

required
catchment

NRFA ID for the catchment e.g. Chess = 39088

required
dataframe

name of the class attribute containing the dataframe for export

required
export_path

location of the top level output folder

required

Returns:

Type Description
csv file

contains site name, id, location and survey date information

export_timeseries(timeseries_df, export_path)

Export a single site timeseries in Observatory csv format

Parameters:

Name Type Description Default
timeseries_df

dataframe contaning timeseries information for all surveyed sites

required
export_path

location of the top level output folder

required

Returns:

Type Description
csv file

n files, one per site, named after the site, with date, flow and sensor metadata

get_data_rows(survey, data_df, cols_to_keep=[], col_naming_map={})

Extract data information from a survey

Parameters:

Name Type Description Default
survey

any survey type object e.g. Sontek ADCP, Sontek FT2, OTT MF Pro

required
data_df

contains any and all information from the raw survey data file

required
cols_to_keep

columns to be shown on the Observatory, requested by GN to be maximum of 20 columns

[]
col_naming_map

map for raw column names to Observatory format names

{}

Returns:

Type Description
dict

basic survey data with the addition of site id, name and datetime information

get_metadata_row(survey, metadata_df, cols_to_keep=[], col_naming_map={})

Extract metadata information from a survey

Parameters:

Name Type Description Default
survey Survey

any survey type object e.g. Sontek ADCP, Sontek FT2, OTT MF Pro

required
metadata_df DataFrame

contains any and all information from the raw survey metadata file

required
cols_to_keep list

columns to be shown on the Observatory, requested by GN to be maximum of 20 columns

[]
col_naming_map dict

map for raw column names to Observatory format names

{}

Returns:

Type Description
dict

basic survey metadata including site id, name and datetime information

get_timeseries_row(survey)

Extract timestamp and discharge information from a survey

Parameters:

Name Type Description Default
survey Survey

any survey type object e.g. Sontek ADCP, Sontek FT2, OTT MF Pro

required

Returns:

Type Description
dict

timeseries metadata including site id

nivusflowstick_to_observatory(surveys, export_path, catchment)

Top level function for converting Nivu(s) Flowstick surveys into a set of csv files in Observatory format, outputs from nested functions are: - sites.csv - timeseries - 1x .csv per site - metadata - 1x .csv per survey - data - 1x .csv per survey

Parameters:

Name Type Description Default
surveys

contains survey class objects

required
export_path

location of the top level output folder

required
catchment

NRFA ID for the catchment e.g. Chess = 39088

required

ott_mf_pro_to_observatory(surveys, export_path, catchment)

Top level function for converting OTT MF Pro surveys into a set of csv files in Observatory format, outputs from nested functions are: - sites.csv - timeseries - 1x .csv per site - metadata - 1x .csv per survey - data - 1x .csv per survey

Parameters:

Name Type Description Default
surveys

contains survey class objects

required
export_path

location of the top level output folder

required
catchment

NRFA ID for the catchment e.g. Tweed = 21014

required

sites_to_observatory(surveys, catchment, existing_sites, ids)

Convert sites surveyed in dataframe format ready for export to csv

Parameters:

Name Type Description Default
surveys

contains survey class objects

required
catchment

NRFA ID for the catchment e.g. Chess = 39088

required
existing_sites

metadata for sites with previously ingested survey

required
ids

list of site ids already in site metadata export

required

Returns:

Type Description
Dataframe

contains metadata for all sites surveyed

sontek_adcp_to_observatory(surveys, export_path, catchment)

Top level function for converting Sontek ADCP surveys into a set of csv files in Observatory format, outputs from nested functions are: - sites.csv - timeseries - 1x .csv per site - metadata - 1x .csv per survey - data - 1x .csv per survey - ensemble data - 1x .csv per survey

Parameters:

Name Type Description Default
surveys

contains survey class objects

required
export_path

location of the top level output folder

required
catchment

NRFA ID for the catchment e.g. Chess = 39088

required

sontek_flowtracker_to_observatory(surveys, export_path, catchment)

Top level function for converting Sontek FlowTracker2 surveys into a set of csv files in Observatory format, outputs from nested functions are: - sites.csv - timeseries - 1x .csv per site - metadata - 1x .csv per survey - data - 1x .csv per survey

Parameters:

Name Type Description Default
surveys

contains survey class objects

required
export_path

location of the top level output folder

required
catchment

NRFA ID for the catchment e.g. Chess = 39088

required

Utils

add_survey_id_columns(survey, dataframe)

Add metadata columns to a survey related dataframe

Parameters:

Name Type Description Default
survey

survey object which the transect belongs to

required
dataframe

dataframe metadata columns to be added to

required

Returns:

Type Description
Dataframe

updated class attribute dataframe with added columns

add_transect_id_columns(survey, transect, dataframe)

Add metadata columns to a transect related dataframe

Parameters:

Name Type Description Default
survey

survey object which the transect belongs to

required
transect

transect object containing the relevant dataframe

required
dataframe

name of the class attribute containing the dataframe for export

required

Returns:

Type Description
Dataframe

updated class attribute dataframe with added columns

export_group_survey_data(surveys, survey_type, dataframe, export_path, file_out_name, add_metadata, file_type)

Export survey data and metadata to csv files

Parameters:

Name Type Description Default
surveys

contains survey class objects

required
survey_type

type of surveys in list, used for appropriately storing output files

required
dataframe

name of the class attribute containing the dataframe for export

required
file_out_name

name to be given to the output file

required
add_metadata

does this data need added metadata columns to identify the survey when grouped?

required

Returns:

Type Description
csv

file containing combined data for all surveys in list

export_group_transect_data(surveys, dataframe, export_path, file_out_name, file_type, survey_type='Sontek RS5 ADCP')

Export survey data and metadata to csv files

Parameters:

Name Type Description Default
surveys

contains survey class objects

required
survey_type

type of surveys in list, used for appropriately storing output files

'Sontek RS5 ADCP'
dataframe

name of the class attribute containing the dataframe for export

required
file_out_name

name to be given to the output file

required

Returns:

Type Description
file(csv / parquet)

file containing combined data for all surveys in list with the file type being determined on input

export_to_csv(export_path, dataframe, survey_type, file_out_name)

Export data to a csv file

Parameters:

Name Type Description Default
dataframe

data for export

required
survey_type

type of surveys in list, used for appropriately storing output files

required
file_out_name

name to be given to the output file

required

Returns:

Type Description
csv

file containing data

export_to_parquet(export_path, dataframe, survey_type, file_out_name)

Export data to a parquet file

Parameters:

Name Type Description Default
dataframe

data for export

required
survey_type

type of surveys in list, used for appropriately storing output files

required
file_out_name

name to be given to the output file

required

Returns:

Type Description
parquet

file containing data

extract_transect_metadata_from_kml(kml_path)

Function to extract specific metadata from a .kml file using xml.etree

Parameters:

Name Type Description Default
kml_path

location of the .kml file

required

Returns:

Type Description
list

list dictionaries of specific metadata values

force_orientation(df, n_excess_cols=0)

merge_units_col(df, row=0)