database-page

Tower Hydrographics (UK) Ltd.

Tower Hydrographic Software, Windows based, flexible, fully configurable and above all, easy to use.

Database Creation & Editing

The database and editing utilities are designed to manage and graphically/numerically edit the acquired data. The capabilities of these suites include the following:

Database - Translator Program:

• Interacts with Microsoft Access for database creation.

• The database contains raw and edited data, so the original data is never lost.

• Raw data in any defined ASCII format can be loaded from individual files or blocks of files.

• Databases can be merged, sorted, loaded and saved.

• Data can be exported in formats suitable for DTM's, charting, reporting and for use in other databases and spreadsheets.

Data Editing - Editor Program:

• Data can be edited numerically, by directly accessing and querying the database, or graphically, within limits set by querying the database.

• The graphical editing comprises three options - track, profile and bathymetry editing.

• The editing suite is an MDI (Multiple Document Interface) which allows any or all of the above three options to be displayed simultaneously, and so that they interact with one another. The Editing suite is fully 'Data Aware', so that the three options update each other through the database.

• Facilities common to all three options are:

• Move points.
• Remove/replace points (single or en-bloc).
• Smoothing and meaning.
• Zoom in/out.
• Pan left/right, fast or slow.
• Look at database information for point.

Facilities specific to each option are :

• Track Editing :

• Align to line bearing.
• Show E/N grid.
• Show text (from choice list) relating to point nearest cursor.
• Gating and velocity checks.

• Profile Editing :

• Choice of any logged data for the y-axis of the graph (the x-axis being KP or distance run).
• Show text (from choice list) relating to point nearest cursor.
• Gating and velocity checks.

• Bathymetry Editing (In Profile):

• Choice of either or both echosounder channels.
• Inclusion of tide, heave and offset corrections.
• Show fix marks if wanted.
• Show text (from choice list) relating to point nearest cursor.
• Gating and velocity checks.
• Show theoretical profile from design file.
• Show deleted points, to allow for reinstatement.
• Export of selected data, in either ASCII or DXF format.
• Correction of soundings for velocity, time error, and offset error.