Eye4Software Hydromagic

  Hydrographic Survey Software

Download free demo version

Start recording data

Before you can create a new sounding it is recommended to perform the following checklist:

The next step is to open or download a background map, this is not required, but it can be used to check whether your position is still correct, and the software is still writing new soundings to the sounding.

Recording raw data

A sounding is created in two steps. First you are going to record raw data. All position, motion and depth data is time stamped and stored into an ASCII file.
The second step is to correct the raw data and generated soundings from it.

Start recording

When you are ready to start your survey, just click the "Record" button (Start Recording) to start recording all sensor data to a newly created raw data file.
Raw data files are generated every time you start a new recording. Raw files are named RAW0001, RAW0002, RAW0003 etc.

To pause a recording without generating a new recording, just click the "Pause" button (Pause Recording) instead.
When clicking the pause button again, the recoding will resume writing data to the same raw data file.

You can record the complete area to a single file, or start a new data file for each surveyed line.

Displaying raw data files

During recording, recorded raw data will be displayed on the map display. Please note, that at this stage only the uncorrected, un-synchronized raw depth (not elevation!) and position data is written to the display. Elevations and corrected values will only be displayed when the raw data has been converted to a sounding.

To change how raw data files are displayed (as track, positions or depth values), right click on the "Raw Data" folder in the "Project Explorer" and select the "Display Options..." option. A dialog box is presented allowing you to specify how all raw data files are displayed on top of the background map.

Raw data display options

Autosave option

To prevent data loss, for instance due to a PC crash or AC power failure, it is recommended to use the "AutoSave" option.
When this option is enabled all project data (including raw data and sounding files) will be saved at the specified interval.

To change the autosave option, select "Preferences..." from the "Options" menu, and click the "Miscellaneous" tab.
You will see an "Auto save" section at the bottom of this window. Now click the "Setup..." button in this section.
Enable the check box when you want to use autosave, and enter an interval (minimum 1 minute). Click the "OK" button to apply the changes.

Autosave options

Manually saving raw data

Raw data files can be saved at any time by just clicking the "Save" button in the toolbar (Save button).
It will be saved into the "RawData" folder of your project.