Eye4Software Hydromagic

  Hydrographic Survey Software


Download free demo version



Echogram editor

The echogram editor is used to quickly remove spikes and void data from a sounding.
To start the echogram editor, just click the "Start..." button in the "Edit echogram(s)" section.

echogram editor


Using the echogram editor

Using the echogram editor is very simple. Just select the data you want to remove and click the remove button (C).
It is also possible to edit or delete single values using the mouse. You can edit either the low or high frequency depths with this tool.

When done editing the echogram, click the "OK" button to save your changes. To discard, click "Cancel".
When an echogram has been altered, a new modified raw data file is written in the "Modified" folder in your project root.


Multiple frequencies

The echogram editor allows you to modify both low and high frequency depth measurements.
When dual frequency is selected, you can select both low and high frequency spikes or data for deletion.

When you have problems deleting either low or high frequency data when values are very close to another,
just switch to single frequency mode using either the "Low Frequency" or "High Frequency" option.


Echogram editor toolbar

echogram editor toolbar

(a) - Remove Selection

To remove spikes and zero value, you can select the data by clicking and holding the right mouse button.
When the invalid data has been selected, click this button to remove it from the data file.

(b) - Filter echogram (remove spikes!)

Use one of the built in data smoothing and filtering to remove spikes and noise from the data.
Supported filter algorithms include median and mean filtering.

(c) - Reload echogram

Reload the echogram from disk

(d) - Undo operation

Use this button when you removed data by accident. This button undoes the last operation.

(e) - Redo operation

Redo an operation which has been undone.

(f) - Scroll to begin

Scroll to the beginning of the echogram, only available when zoomed in.

(g) - Scroll back

Scroll back one screen, only available when zoomed in.

(h) - Scroll forward

Scroll forward one screen, only available when zoomed in.

(i) - Scroll to end

Scroll to the end of the echogram, only available when zoomed in.

(j) - Select the previous data file

Select to the previous raw data file in the collection of files you are currently editing

(k) - Select the next data file

Select to the next raw data file in the collection of files you are currently editing

(l) - Zoom In

Zoom in on the data which is currently visible

(m) - Zoom Out

Zoom out on the data which is currently visible

(n) - Zoom All

Reset all zoom operations, shows all data in the file

(o) - Print echogram

Send the current echogram view to a printer or plotter


Video tutorial

Coming soon..