When Echoview exports analyses it encodes certain special values as follows:
|
Value |
Meaning |
|
-999.0 |
dB value is below the minimum threshold specified on the Data page of the Variable Properties dialog box. |
|
999.0 |
dB value is above the maximum threshold specified on the Data page of the Variable Properties dialog box. - OR - Latitude or longitude value is not available because there is no GPS fix. |
|
0.0 |
Linear value is above the maximum threshold or below the minimum threshold specified on the Data_page of the Variable Properties dialog box. |
|
-9.9e+37 |
No data value or no bottom value or invalid calculation. |
|
9.9e37 |
Data point is outside the region that was selected for export (Floating value) see Text data values. |
|
-9999 |
Not applicable - integer values. - OR - Data point is outside the region that was selected for export (Integer value) see Text data values. |
|
9999 |
Not applicable - integer values (where -9999 is a legal value). |
|
-9999.0 |
Not applicable - real values. |
|
9999.0 |
Not applicable - real values (where -9999.0 is a legal value). |
|
-1 |
Not applicable - ID numbers. - OR - Data point is outside the region that was selected for export (Boolean, Color vlaue) see Text data values. |
|
" " |
Not applicable - strings |
|
-10000.990000 |
No depth value in EVL exports |
About exporting analyses
Export file formats
Exporting integrations
Exporting single targets analyses
Exporting single target frequency distribution
Exporting fish tracks analyses