HYPACK® Editing
Editing Features
HYPACK® provides all of the tools necessary to edit,
reduce and review your single beam echosounder and magnetometer
data.
Tides
HYPACK® provides several methods for users to reduce
their sounding data to their desired vertical datum.
During SURVEY:
- Manually enter water level corrections.
- Read telemetry tide data directly into SURVEY.
- Determine water levels from the vertical component of RTK GPS.
In post-processing:
- Generate time vs tide predicted/observed tide
corrections table using predicted high/low water,
observed tides or harmonic constituents. These are then
applied in the editor.
- Apply interpolated tide values from two or more
gauges along a river
- Adjust the tide values from your gauge based on the
sounding position relative to the gauge.
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Users can generate predicted water levels by using high/low water
times and heights over one or more days, by using harmonic
constituents or by importing NOAA gauge information from the Internet.
Sound Velocity Corrections
HYPACK® allows users to generate sound velocity corrections
for Single Beam, Multiple Transducer and Multibeam data,
which can be applied during post-processing.
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Single Beam/Dual Frequency Data
The SINGLE BEAM EDITOR program edits both single
beam and dual frequency data, along with other
sensors such as magnetometers, gravity meters,
flourimeters, etc.
- Loads and displays and entire day’s work in seconds.
- Applies water level corrections, standard or RTK Tides.
- Permits smoothing of track lines and RTK Tidal corrections.
- Displays depth profiles based on distance along line or time.
- Configurable spreadsheet shows all survey info for each data
point and can be output to ASCII TXT.
- Automated filters quickly eliminate outliers.
The edited data is stored to a separate file, meaning you can
always return to the original data set.
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Sounding Selection
HYPACK® can collect thousands of soundings per second.
The Processing section contains four Sounding Selection programs
for reducing your survey data, depending on your final application.
SORT: Creates a cartographic data set that
guarantees the minimum or maximum soundings
will be saved.
CROSS SORT: The CROSS SORT program was developed for
the U.S. Army Corps of Engineers. It selects soundings
to prevent overwrites where lines intersect.
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MAPPER: MAPPER is the binning program of HYPACK®.
Users create a Matrix file in HYPACK®. They can then
read the data (single beam, multiple transducer or
multibeam) and determine the minimum, maximum, average,
or closest to center depth for each cell of the matrix.
This information can then be exported to an ASCII XYZ
file for further use in HYPACK® or for import into other
applications.
SOUNDING REDUCTION (SR): It allows users to create a
sub-set of XYZ data which accurately reflects the entire
data set. This sub-set is created based on changes of
inflection of the bottom surface. It saves multiple
points in areas of changing topography and few points
in flat areas.
The programs detailed above are provided in the HYPACK®, HYPACK® LITE,
and HYPACK® OFFICE versions.
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