XpfNavDiff

Purpose

This command line application:

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Calculates the geographical difference between two position channels.

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Outputs an XPF file containing East, North, Horizontal, vertical, and 3D distance between the two channels.

 

Usage

XpfNavDiff [/version] [/remote] [/autostart {on|off}] /c leftLabel[.leftField] rightLabel[.rightField] [/from time] [/to time] [/join {left|right|both}] [/toffset {left|right} value] [/left_alti field] [/right_alti field] left right output

 

Parameters

Argument	Value	Description
/version	Optional	Displays version information about this application.
/remote	Optional	Remote mode must be used when this application is embedded into an external application. Default is interactive mode.
/autostart	on/off	If autostart is on (default) the process starts immediately, if off, user must type the start command to start the process.
leftLabel	Optional	Label of the channel of the left file to extract the data from.
leftField	Optional	Latitude field in the left channel.
rightLabel	Optional	Label of the channel of the right file to extract the data from.
rightField	Optional	Latitude field in the right channel.
/from time	Optional	Time of the first frame to be processed (s).
/to time	Optional	Time of the last frame to be processed (s).
/join	Optional	Allows restricting output if data are present on a specified channel (left or right) or on the both channel at the same time.
/toffset	Optional	Time offset to be applied on the left or right channel (s).
/left_alti field	Optional	Field from the first (left) file to be used for altitude/immersion comparison.
/right_alti field	Optional	Field from the second (right) file to be used for altitude/immersion comparison.
Left	Mandatory	Left input file name (XPF file)
Right	Mandatory	Right input file name (XPF file)
Output	Mandatory	Output file name (XPF file)

 

Example

In this example, the position of the primary lever arm from a post processed file is compared with the primary lever arm position form a raw INS file. i.e. the post processed results are compared with the real time results.

"C:\Program Files\Exail\DELPH INS Subsea\XpfNavDiff.exe" /c INS_NAV primary-nav ../PostproDecode/out-ins.xpf ../Postproins/out-ins-replay.xpf diff.xpf