xref: /freebsd/contrib/file/magic/Magdir/geo (revision ae316d1d1cffd71ab7751f94e10118777a88e027)

#------------------------------------------------------------------------------
# $File: geo,v 1.11 2024/11/09 23:35:01 christos Exp $
# Geo- files from Kurt Schwehr <schwehr@ccom.unh.edu>

######################################################################
#
# Acoustic Doppler Current Profilers (ADCP)
#
######################################################################

0	beshort	0x7f7f	RDI Acoustic Doppler Current Profiler (ADCP)

######################################################################
#
# Metadata
#
######################################################################

0	string	Identification_Information	FGDC ASCII metadata

######################################################################
#
# Seimsic / Subbottom
#
######################################################################

# Knudsen subbottom chirp profiler - Binary File Format: B9
# KEB D409-03167 V1.75 Huffman
0	string	KEB\ 	Knudsen seismic KEL binary (KEB) -
>4	regex	[-A-Z0-9]+	Software: %s
>>&1	regex	V[0-9]+\\.[0-9]+	version %s

######################################################################
#
# LIDAR - Laser altimetry or bathy
#
######################################################################


# Caris LIDAR format for LADS comes as two parts... ascii location file and binary waveform data
0	string	HCA	LADS Caris Ascii Format (CAF) bathymetric lidar
>4	regex [0-9]+\\.[0-9]+	version %s

0	string	HCB	LADS Caris Binary Format (CBF) bathymetric lidar waveform data
>3      byte    x	version %d .
>4	byte	x	%d


######################################################################
#
# MULTIBEAM SONARS https://www.ldeo.columbia.edu/res/pi/MB-System/formatdoc/
#
######################################################################

# GeoAcoustics - GeoSwath Plus
# Update:	Joerg Jenderek
# URL:		https://www.mbari.org/products/research-software/mb-system/
# Reference:	http://ccom.unh.edu/sites/default/files/news-and-events/conferences/auv-bootcamp/
#		GS%2B-6063-BB-GS%2B-Broadcast-Raw-Data-File-Format-Command-Specification.pdf
# Note:		All data is written using Intel 80x86 byte ordering (LSB to MSB)
# raw_header_siz; file header size is 544 bytes
4	beshort	0x2002
# GRR: line above is too general as it matches also some Microsoft Event Trace Logs *.ETL
# skip many (63/753) Microsoft Event Trace Logs (AMSITrace.etl lxcore_kernel.etl NotificationUxBroker.052.etl WindowsBackup.4.etl) with invalid "low" ping header size 0
>6	leshort	>0	GeoSwath RDF
# skip foo samples with invalid "high" spare bytes
#>>536	ulequad	=0	OK_THIS_IS_GeoSwath_RDF
#!:mime	application/octet-stream
!:mime	application/x-geoswath-rdf
# http://ccom.unh.edu/sites/default/files/news-and-events/conferences/auv-bootcamp/060116342.rdf
!:ext	rdf
# filename; original file name like: "C:\GS+\Projects\Default\Raw Data Files\060116342.rdf"
>>8	string	x	"%-.512s"
# version[8]; recording software version number like: 3.16c
>>527	string	x	\b, version %-.8s
# creation; unsigned int file creation time; WHAT time format is this?
>>0	ulelong	x	\b, creation time %#8.8x
# raw_ping_header_size; size of ping header in bytes like: 64
>>6	leshort	!64	\b, ping header size %d
# frequency; system frequency in hertz like: 500000
>>520	lelong	x	\b, frequency %d
# echo_type; Echosounder type index like: 1
>>524	leshort	x	\b, echo type %#x
# file_mode; file mode mask (0x00 bathy & sidescan, 0x80 bathy, 0x40 sidescan, 0x20 seismic)
>>526	ubyte	!0	\b, file mode %#2.2x
# pps_mode; PPS synch mode like: 2
>>535	byte	x	\b, pps mode %#x
# char spare[8]; apparently zeroed
>>536	ubequad	!0	\b, spare %#16.16llx
# Ping_number; 1st ping number like: 4944
>>544	lelong	x	\b, 1st ping number %d

0	string	Start:-	GeoSwatch auf text file

# Seabeam 2100
# mbsystem code mb41
0	string SB2100	SeaBeam 2100 multibeam sonar
0	string SB2100DR	SeaBeam 2100 DR multibeam sonar
0	string SB2100PR SeaBeam 2100 PR multibeam sonar

# This corresponds to MB-System format 94, L-3/ELAC/SeaBeam XSE vendor
# format. It is the format of our upgraded SeaBeam 2112 on R/V KNORR.
0    string $HSF    XSE multibeam

# mb121 https://www.saic.com/maritime/gsf/
8	string	GSF-v	SAIC generic sensor format (GSF) sonar data,
>&0	regex [0-9]+\\.[0-9]+	version %s

# MGD77 - https://www.ngdc.noaa.gov/mgg/dat/geodas/docs/mgd77.htm
# mb161
9	string MGD77	MGD77 Header, Marine Geophysical Data Exchange Format

# MBSystem processing caches the mbinfo output
1	string	Swath\ Data\ File:	mbsystem info cache

# Caris John Hughes Clark format
0	string	HDCS	Caris multibeam sonar related data
1	string	Start/Stop\ parameter\ header:	Caris ASCII project summary

######################################################################
#
# Visualization and 3D modeling
#
######################################################################

# IVS - IVS3d.com Tagged Data Representation
0	string	%%\ TDR\ 2.0	IVS Fledermaus TDR file

# http://www.ecma-international.org/publications/standards/Ecma-363.htm
# 3D in PDFs
0	string	U3D	ECMA-363, Universal 3D

######################################################################
#
# Support files
#
######################################################################

# https://midas.psi.ch/elog/
0	string	$@MID@$	elog journal entry

# Geospatial Designs https://www.geospatialdesigns.com/surfer6_format.htm
0	string		DSBB	Surfer 6 binary grid file
>4	leshort		x	\b, %d
>6	leshort		x	\bx%d
>8	ledouble	x	\b, minx=%g
>16	ledouble	x	\b, maxx=%g
>24	ledouble	x	\b, miny=%g
>32	ledouble	x	\b, maxy=%g
>40	ledouble	x	\b, minz=%g
>48	ledouble	x	\b, maxz=%g

# magic for LAS format files
# alex myczko <alex@aiei.ch>
# https://www.asprs.org/wp-content/uploads/2010/12/LAS_1_3_r11.pdf
0	string		LASF	LIDAR point data records
>24	byte		>0	\b, version %u
>25	byte		>0	\b.%u
>26	string		>\0	\b, SYSID %s
>58	string		>\0	\b, Generating Software %s

# magic for PCD format files
# alex myczko <alex@aiei.ch>
# http://pointclouds.org/documentation/tutorials/pcd_file_format.php
0	string		#\ .PCD	Point Cloud Data

# FlatGeobuf is a GIS file format for encoding geographic data.
# https://flatgeobuf.org/#specification
0	bequad		0x6667620366676201	FlatGeobuf file