Special export values

Value

Meaning

-999.0

This value may be due to:

• dB value is below the minimum threshold specified on the Data page of the Variable Properties dialog box
• value for TVG for data generator samples with range less than 1 meter

999.0

This value may be due to:

• dB value is above the maximum threshold specified on the Data page of the Variable Properties dialog box
• 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

0

May be exported for an ICES CSV Analysis By Region Classes By Cells export with Output empty cells selected, see ICES CSV Output empty cells.

-9.9e+37

This value may be due to:

• No data value
• No data value within the region that was selected for export
• No bottom value
• No depth value for empty single targets under heave compensation
• Invalid calculation
• No vegetation line segment
• Exclude below line: Line status of Bad or None for pings in a region for Region_top_altitude or Region_bottom_altitude variables.
• -OR- A region bottom boundary is below the Exclude below line.
• -OR- A region top boundary is above the Exclude above line.
• Note: When the Line status is None and an Exclude below line is specified, a Span gaps operator can change the Line status but this may not output expected region altitude values.
• No data value assigned to SHAPES variables affected by 2D schools detection under a fixed platform.

9.9e+37

The real data point is outside the region that was selected for export, see Text data values.

-9999

Not applicable - integer values.

May be exported for Region_altitude variables when an Analysis page Exclude below line value has not been specified.

May be exported for an ICES CSV export with Output empty cells selected, see ICES CSV Output empty cells.

-99999

The integer data point is outside the region that was selected for export.

9999

Not applicable - integer values (where -9999 is a legal value).

May be exported for an ICES CSV export with Output empty cells selected, see ICES CSV Output empty cells.

-9999.0

Not applicable - real values.

May be exported for range-based analysis variables when a heave source is applied and the calculation is unavailable.

May be exported with single target frequency response data for targets that don't have a value for Max_beam_compensation_frequency.

May be exported with region altitude data for pings in the region. The value is exported when an Exclude below line is not specified.

9999.0

Not applicable - real values (where -9999.0 is a legal value).

-1

Not applicable - ID numbers.

The boolean or color data point is outside the region that was selected for export.

Num_targets is -1 for a invalid fish track.

" "

Not applicable - strings.

-10000.990000

No depth value in EVL exports and CSV line exports.

No data

Special Value for some Properties Options. Refer to the Example: Determine Properties Arguments with the Value* Options.