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+
+#------------------------------------------------------------------------------
+# $File: scientific,v 1.14 2023/04/29 17:28:09 christos Exp $
+# scientific: file(1) magic for scientific formats
+#
+# From: Joe Krahn <krahn@niehs.nih.gov>
+
+########################################################
+# CCP4 data and plot files:
+0 string MTZ\040 MTZ reflection file
+
+92 string PLOT%%84 Plot84 plotting file
+>52 byte 1 , Little-endian
+>55 byte 1 , Big-endian
+
+########################################################
+# Electron density MAP/MASK formats
+
+0 string EZD_MAP NEWEZD Electron Density Map
+109 string MAP\040( Old EZD Electron Density Map
+
+0 string/c :-)\040Origin BRIX Electron Density Map
+>170 string >0 , Sigma:%.12s
+#>4 string >0 %.178s
+#>4 addr x %.178s
+
+7 string 18\040!NTITLE XPLOR ASCII Electron Density Map
+9 string \040!NTITLE\012\040REMARK CNS ASCII electron density map
+
+208 string MAP\040 CCP4 Electron Density Map
+# Assumes same stamp for float and double (normal case)
+>212 byte 17 \b, Big-endian
+>212 byte 34 \b, VAX format
+>212 byte 68 \b, Little-endian
+>212 byte 85 \b, Convex native
+
+############################################################
+# X-Ray Area Detector images
+0 string R-AXIS4\ \ \ R-Axis Area Detector Image:
+>796 lelong <20 Little-endian, IP #%d,
+>>768 lelong >0 Size=%dx
+>>772 lelong >0 \b%d
+>796 belong <20 Big-endian, IP #%d,
+>>768 belong >0 Size=%dx
+>>772 belong >0 \b%d
+
+0 string RAXIS\ \ \ \ \ R-Axis Area Detector Image, Win32:
+>796 lelong <20 Little-endian, IP #%d,
+>>768 lelong >0 Size=%dx
+>>772 lelong >0 \b%d
+>796 belong <20 Big-endian, IP #%d,
+>>768 belong >0 Size=%dx
+>>772 belong >0 \b%d
+
+
+1028 string MMX\000\000\000\000\000\000\000\000\000\000\000\000\000 MAR Area Detector Image,
+>1072 ulong >1 Compressed(%d),
+>1100 ulong >1 %d headers,
+>1104 ulong >0 %d x
+>1108 ulong >0 %d,
+>1120 ulong >0 %d bits/pixel
+
+# Type: GEDCOM genealogical (family history) data
+# From: Giuseppe Bilotta
+# Update: Joerg Jenderek
+# URL: http://fileformats.archiveteam.org/wiki/GEDCOM
+# https://en.wikipedia.org/wiki/GEDCOM
+# Reference: http://mark0.net/download/triddefs_xml.7z/defs/g/
+# ged.trid.xml ged-utf8.trid.xml ged-utf16.trid.xml
+# Note: called "GEDCOM Family History" by TrID and "Genealogical Data Communication (GEDCOM) Format" by DROID via PUID fmt/851
+0 search/1/c 0\ HEAD GEDCOM genealogy text
+#!:mime text/plain
+#!:mime application/x-gedcom
+# https://www.iana.org/assignments/media-types/text/vnd.familysearch.gedcom
+!:mime text/vnd.familysearch.gedcom
+!:ext ged
+# no gedcom sample found and ged suffix also used for other formats
+#!:ext ged/gedcom
+>&0 search 1\ GEDC
+>>&0 search 2\ VERS version
+# 4 5.0 5.3 5.4 5.5 5.5.1 5.5.5 5.6 7.0 or no version
+>>>&1 string >\0 %s
+# From: Phil Endecott <phil05@chezphil.org>
+# 0\040HEAD as UTF-16 big endian without BOM
+0 string \000\060\000\040\000\110\000\105\000\101\000\104 GEDCOM genealogy text
+!:mime text/vnd.familysearch.gedcom
+!:ext ged
+# look for VERS tag encoded as UTF-16 big endian
+>12 search/0x65 V\0E\0R\0S version
+# version like: 5.5.1
+>>&2 bestring16 x %s
+>>0 string x \b, UTF-16 (without BOM) big-endian text
+# 0\040HEAD as UTF-16 little endian without BOM
+0 string \060\000\040\000\110\000\105\000\101\000\104\000 GEDCOM genealogy text
+!:mime text/vnd.familysearch.gedcom
+!:ext ged
+# look for VERS tag encoded as UTF-16 lttle endian
+>12 search/0x65 V\0E\0R\0S version
+# version like: 5.5.1
+>>&3 lestring16 x %s
+>>2 string x \b, UTF-16 (without BOM) little-endian text
+# Note: UTF-16 with BOM variants already described above by first test as "GEDCOM genealogy text"
+# 0\040HEAD as UTF-16 big endian with BOM
+#0 string \376\377\000\060\000\040\000\110\000\105\000\101\000\104 GEDCOM data
+# 0\040HEAD as UTF-16 little endian with BOM
+#0 string \377\376\060\000\040\000\110\000\105\000\101\000\104\000 GEDCOM data
+
+# PDB: Protein Data Bank files
+# Adam Buchbinder <adam.buchbinder@gmail.com>
+#
+# https://www.wwpdb.org/documentation/format32/sect2.html
+# https://www.ch.ic.ac.uk/chemime/
+#
+# The PDB file format is fixed-field, 80 columns. From the spec:
+#
+# COLS DATA
+# 1 - 6 "HEADER"
+# 11 - 50 String(40)
+# 51 - 59 Date
+# 63 - 66 IDcode
+#
+# Thus, positions 7-10, 60-62 and 67-80 are spaces. The Date must be in the
+# format DD-MMM-YY, e.g., 01-JAN-70, and the IDcode consists of numbers and
+# uppercase letters. However, examples have been seen without the date string,
+# e.g., the example on the chemime site.
+0 string HEADER\ \ \ \040
+>&0 regex/1l \^.{40}
+>>&0 regex/1l [0-9]{2}-[A-Z]{3}-[0-9]{2}\ {3}
+>>>&0 regex/1ls [A-Z0-9]{4}.{14}$
+>>>>&0 regex/1l [A-Z0-9]{4} Protein Data Bank data, ID Code %s
+!:mime chemical/x-pdb
+>>>>0 regex/1l [0-9]{2}-[A-Z]{3}-[0-9]{2} \b, %s
+
+# Type: GDSII Stream file
+0 belong 0x00060002 GDSII Stream file
+>4 byte 0x00
+>>5 byte x version %d.0
+>4 byte >0x00 version %d
+>>5 byte x \b.%d
+
+# Type: LXT (interLaced eXtensible Trace)
+# chrysn <chrysn@fsfe.org>
+0 beshort 0x0138 interLaced eXtensible Trace (LXT) file
+>2 beshort >0 (Version %u)