Position editor

The position editor allows you to quickly remove unwanted or erroneous position fixes from a raw data file. You can also use this tool to quickly remove data that is outside the project's boundaries and no longer needed.

Use the position editor to remove unwanted or erroneous position data from a raw data file.

The position editor is part of the "Sounding Wizard" and can be found on the data correction page. To start the position editor, just click the "Edit..." button in the "Edit position data" section shown below:

The position editor can be found on the data correction page of the "Sounding Wizard".

Using the position editor

Using the position editor is very easy. Just select the positions you want to remove by pressing the right mouse button. When the selection is done, click the 'Remove Selection' button to remove the unwanted positions from the raw data file.

When done editing the positions or GPS fixes, click 'OK' to save your changes. To discard, click "Cancel". When positions have been removed, a new modified raw data file is written in the "Modified" folder in your project root.

Position editor toolbar

(a) - Remove selection

To remove invalid or out-of-bounds GPS positions, you can select the data by moving the mouse while pressing and holding the right button.
When the invalid data has been selected, click this button to remove it from the data file.

(b) - Reload positions

Reload the GPS positions from disk.

(c) - Undo operation

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

(d) - Redo operation

Redo an operation that has been undone.

(e) - Select the previous data file

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

(f) - Select the next data file

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

(g) - Toggle panning

When the panning mode has been selected, you can drag the map around with your mouse cursor while holding the left mouse button.

(h) - Zoom in

Zoom in on the data which is currently visible.

(i) - Zoom out

Zoom out on the data which is currently visible.

(j) - Zoom all

Reset all zoom operations to show all data in the file.

(k) - Print echogram

Send the current echogram view to a printer or plotter.

(l) - File indicator

Show the name of the file you are currently editing. To change the file, click the 'e' or 'f' button.

(m) - Position display

Displays the X or easting position of the mouse cursor.

(n) - Position Display

Displays the Y or northing position of the mouse cursor.

Video Tutorial

The following YouTube video tutorial shows how to use the position editor to remove points outside a boundary. Click below to play the video. When you like the video, please click the like button and subscribe so you will receive an update when new video tutorials on Hydromagic are uploaded.

This video demonstrates how to remove unwanted positions from your data.