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+
+#------------------------------------------------------------------------------
+# $File: geo,v 1.10 2022/10/31 13:22:26 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