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Reading and Viewing POD data

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1 Reading and Viewing POD data

2 Installation Windows CPOD.EXE (v2.044 is latest stable version)     + CPOD specific settings.txt in same directory. Portable format - no installation procedure / no dependencies. Create a directory called 'CPOD data' to download to (not for the F)

3 Read the data from SD card

4 Process the data

5 Open each file Check the start and end times

6 View the whole file File 2 File 1
(1) click here, to get the right scale File 2 (2) File 1, a CP1 file, cannot show the results of train detection. It shows the last option selected that it can show. Click here (3) File 2, a CP3 file, can show the results of train detection. Select Sp class File 1 (4) Select species of interest (5) Show from start

7 View the whole file Look for: Temperature and angles Noise level

8 Viewing the whole file Switch to Q class:
Look for which Q classes correlate with Hi Q? Here Lo Q go up in the period of noise, when Hi and Mod Q do not, so Hi + Mod is the best choice, as usual! File 1

9 Zooming right click and sweep

10 Zooming down arrow

11 Zooming down arrow

12 Zooming now in high resolution down arrow

13 Zooming now in high resolution
shows a pattern of short groups of clicks - too short to be classified as trains

14 Click trains F4 toggles filters on and off. Here apparently missing trains reappear. Their species was 'unclassed' by the KERNO classifier but was classed as 'other cet' by GENENC.

15 Skips In high resolution displays blank screens ( no clicks) are skipped when you click ‘show next screen’ (F1). By default this is applied to a CP3 file. You can change which file is the ‘skip file’ and how many clicks must be on the screen to stop it skipping on further.

16 Graphs Show only the data that is on display.
Default is the frequency distribution of all the clicks on show. On the view + page of the menu other parameters can be selected: If ‘show mean values for hour of day’ is checked then ‘N of clicks’ can be shown in a 24 hour graph.

17 Graphs Finless Porpoise Clicks/s Humpback Dolphin Clicks/s

18 Exporting screen details
time uS avF endF nCyc Pmax Train 24/08/ :28 125 5 15 6 120 116 17 129 156 8 122 119 11 131 161 22 132 142 9 20 166 135 10 24 133 147 7 26 27 28 128 151 123 13 138 30 29 Exporting screen details Right click menu

19 Other tools ... Filters – see Choice of Filters and Stats File Exports
Screen exports Array Viewer – speeded up replay of detections on a grid of PODs Add sightings

20 any questions? Speak now!


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