Document List: Scientific and Geographical Standard Formats
Summary
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DIGEST 2.1 Part 1 General Description -
DIGEST 2.1 Part 2 Theoretical Model Exchange Structure and Encapsulation Spec -
DIGEST 2.1 Part2A ISO 8211 Encapsulation Specification -
DIGEST 2.1 Part 2B ISO 8824 Encapsulation Specification -
DIGEST 2.1 Part 2C Vector Relational Format -
DIGEST 2.1 Part 2D Image Interchange Format -
DIGEST 2.1 Part 2D Image Interchange Format Errata -
DIGEST 2.1 Part 2E Standard ASCII Table of Contents -
DIGEST 2.1 Part 3 Codes and Parameters -
DIGEST 2.1 Part 4 Annex A Feature Codes -
DIGEST 2.1 Part 4 Annex B Attribute and Value Codes -
DIGEST 2.1 Part C Alphabetized Content Listing of all Features and Attributes -
DIGEST 2.1 Part 4 FACC -
DIGEST 2.1 Support Document 1 – Geodesy Background Notes -
DIGEST 2.1 Support Document 2 -Table of Encoding Options for Geographic Entities -
DIGEST 2.1 Support Document 3 – The ARC System -
F E I S (FORMAT D’ECHANGE D’IMAGES SAIM) – Profil d’implementation de Digest Image Profile (DIP) 1.1 -
F E I S (FORMAT D’ECHANGE D’IMAGES SAIM) – ANNEXES -
DIMAP Specifications -
PERFORMANCE SPECIFICATION – DIGITAL TERRAIN ELEVATION DATA (DTED) -
PERFORMANCE SPECIFICATION – DIGITAL TERRAIN ELEVATION DATA (DTED) -
PERFORMANCE SPECIFICATION – DIGITAL TERRAIN ELEVATION DATA (DTED) – AMENDMENT 1 -
Definition of the Flexible Image Transport System (FITS) -
HDF5 File Format Specification Version 3.0 -
The NetCDF Users’ Guide -
DEPARTMENT OF DEFENSE – INTERFACE STANDARD – NATIONAL IMAGERY TRANSMISSION FORMAT VERSION 2.1 -
NATO Secondary Imagery Format -
OGC Earth Observation Metadata profile of Observations and Measurements -
SAFE 1.3 Control Book – Volume 1 – Core Specifications -
SAFE 1.3 Control Book – Volume 2 – Recommendation for Specializations -
SAFE 1.3 Primer
DIGEST 2.1 Part 1 General Description
Revision 2.1 – 2001-09-28
This document describes the DIgital Geographic Exchange STandard (DIGEST).
historical_documents.htm (Web)
DIGEST_2.1_Part_1_General_Description.pdf (GAEL Systems)
DIGEST 2.1 Part 2 Theoretical Model Exchange Structure and Encapsulation Spec
Revision 2.1 – 2001-09-28
This document describes the DIgital Geographic Exchange STandard (DIGEST).
historical_documents.htm (Web)
DIGEST_2.1_Part_2_Theoretical_Model_Exchange_Structure_and_Encapsulation_Spec.pdf (GAEL Systems)
DIGEST 2.1 Part2A ISO 8211 Encapsulation Specification
Revision 2.1 – 2001-09-28
This annex contains specifications for the encapsulation of DIGEST information package as ISO 8211 interchange files. The specifications include the data structures and data descriptions for the following:
- the files of the DIGEST information package;
- the records and fields of each file; and
- the subfields of each field.
The first two items are specified as ordered, rooted fields with an explicit statement of the required or permitted subtrees (see A.2 and each A.3.n File content by Record and Field). The third item is specified as the field descriptions of the component files (see each A.3.n Field Data description). The details of the specification format are given in the next section.
In this annex, the terminology of ISO 8211 is used. This terminology may differ from that used in other annexes of the standard.
historical_documents.htm (Web)
DIGEST_2.1_Part_2A_ISO_8211_Encapsulation_Specification.pdf (GAEL Systems)
DIGEST 2.1 Part 2B ISO 8824 Encapsulation Specification
Revision 2.1 – 2001-09-28
This annex presents an encoding of DIGEST for the purpose of efficient telecommunications. This annex contains exactly the same information content as DIGEST Annex A, except that the hierarchical style of presentation inherent with the Abstract Syntax Notation (ASN) is used, and that some fields included in Annex A for backward compatibility with earlier Annex A based products are not included.
In order to efficiently communicate geographic data over telecommunications media, the ISO 8824 Abstract Syntax Notation and the ISO 8825 Encoding Rules are used for the encapsulation of DIGEST data. This permits the handling of optional data fields and of geographic coordinates in a compact and efficient manner. Telecommunications applications are particularly sensitive to the volume of data that must be handled in any particular communication data transfer.
ISO 8825 (ASN.1 encoding rules) makes use of a tag length encoding scheme for the identification of data elements as components of a communication stream. Each piece of information is identified by a preceding tag and a number defining the length of the element. Such tag length combinations may be nested to any level. The sending and receiving communications entities follow identical syntactic trees in composing and parsing the data stream. The syntactic tree is a property of the standard and is not communicated. The tag codes permit the communicating entities to skip through the syntactic description. Therefore only actual data elements need be transferred. There is no overhead involved in the self-description of the syntactic tree or the identification of optional but missing elements. This makes the ISO 8824/5 encoding of DIGEST particularly useful in the communications of map segments or updates to previously communicated maps.
historical_documents.htm (Web)
DIGEST_2.1_Part_2B_ISO_8824_Encapsulation_Specification.pdf (GAEL Systems)
DIGEST 2.1 Part 2C Vector Relational Format
Revision 2.1 – 2001-09-28
This document gives a definition of DIGEST Vector Relational Format (VRF).
historical_documents.htm (Web)
DIGEST_2.1_Part_2C_Vector_Relational_Format.pdf (GAEL Systems)
DIGEST 2.1 Part 2D Image Interchange Format
Revision 2.1 – 2001-09-28
This document describes the DIGEST Image Interchange Format (IIF). The IIF is based on the NATO Secondary Imagery Format (NSIF), version 1.0 referenced as STANAG 4545, Edition 1.
historical_documents.htm (Web)
DIGEST_2.1_Part_2D_Image_Interchange_Format.pdf (GAEL Systems)
DIGEST 2.1 Part 2D Image Interchange Format Errata
Revision 2.1 – 2006-09-11
This document defines known editorial and/or technical errors in DIGEST Part 2, Annex D as of the date of release.
historical_documents.htm (Web)
DIGEST_2.1_Part_2D_Image_Interchange_Format_Errata.pdf (GAEL Systems)
DIGEST 2.1 Part 2E Standard ASCII Table of Contents
Revision 2.1 – 2001-09-28
This document describes DIGEST Standard ASCII Table of Contents.
historical_documents.htm (Web)
DIGEST_2.1_Part_2E_Standard_ASCII_Table_of_Contents.pdf (GAEL Systems)
DIGEST 2.1 Part 3 Codes and Parameters
Revision 2.1 – 2008-08-06
This document describes DIGEST Codes and Parameters.
historical_documents.htm (Web)
DIGEST_2.1_Part_3_Codes_and_Parameters.pdf (GAEL Systems)
DIGEST 2.1 Part 4 Annex A Feature Codes
Revision 2.1 – 2001-09-28
This document describes DIGEST Feature Codes.
historical_documents.htm (Web)
DIGEST_2.1_Part_4_Annex_A_Feature_Codes.pdf (GAEL Systems)
DIGEST 2.1 Part 4 Annex B Attribute and Value Codes
Revision 2.1 – 2001-09-28
This document describes DIGEST Attribute and Value Codes.
historical_documents.htm (Web)
DIGEST_2.1_Part_4_Annex_B_Attribute_and_Value_Codes.pdf (GAEL Systems)
DIGEST 2.1 Part C Alphabetized Content Listing of all Features and Attributes
Revision 2.1 – 2001-09-28
This document contains an alphabetized index to ‘DIGEST 2.1 Part 4 Annex A Feature Codes’ and ‘DIGEST 2.1 Part 4 Annex B Attribute and Value Codes’.
historical_documents.htm (Web)
DIGEST_2.1_Part_4_Annex_C_Alphabetized_Content_Listing_of_all_Features_and_Attributes.pdf (GAEL Systems)
DIGEST 2.1 Part 4 FACC
Revision 2.1 – 2001-09-28
This document defines the DIGEST FACC Data Dictionary of features and attributes for Digital Geographic Information (DGI). It does not specify a data model. It is not applicable to the representation of individual instances of each feature, and excludes spatial referencing, temporal referencing, portrayal parameters, and feature instance collection criteria. The dictionary is intended to be implementation independent and is not limited to DIGEST implementations.
historical_documents.htm (Web)
DIGEST_2.1_Part_4_FACC.pdf (GAEL Systems)
DIGEST 2.1 Support Document 1 – Geodesy Background Notes
Revision 2.1 – 2000-11
DIGEST Support Document is module-based, and is designed to provide additional information to users of DIGEST Edition 2.1 where required.
Part 1 is produced and issued under the direction of Defence Geographic and Imagery Intelligence Agency (DGIA), UK, on behalf of the Digital Geographic Information Working Group.
historical_documents.htm (Web)
DIGEST_Support_Document_1_-_Geodesy_Background_Notes.pdf (GAEL Systems)
DIGEST 2.1 Support Document 2 -Table of Encoding Options for Geographic Entities
1997-06-30
DIGEST Support Document is module-based, and is designed to provide additional information to users of DIGEST Edition 2.0 where required.
Part 2 is produced and issued under the direction of the Centro Informazioni Geotopografiche Aeronautiche (CIGA), IT, on behalf of the Digital Geographic Information Working Group.
historical_documents.htm (Web)
DIGEST_Support_Document_2_-Table_of_Encoding_Options_for_Geographic_Entities.pdf (GAEL Systems)
DIGEST 2.1 Support Document 3 – The ARC System
2001-04-30
DIGEST Support Document is module-based, and is designed to provide additional information to users of DIGEST Edition 2.1 where required.
Part 3 is produced and issued under the direction of the National Imagery and Mapping Agency, Department of Defense, United States of America, on behalf of the Digital Geographic Information Working Group.
historical_documents.htm (Web)
DIGEST_Support_Document_3_-_The_ARC_System.pdf (GAEL Systems)
F E I S (FORMAT D’ECHANGE D’IMAGES SAIM) – Profil d’implementation de Digest Image Profile (DIP) 1.1
CEGN/96/05 – Revision 1.1 – 2017-01-02
This document specifies the implementation of Digest Image Profile (DIP) 1.1 named FEIS (Format d’Echange d’Images SAIM).
feis11.doc (GAEL Systems)
F E I S (FORMAT D’ECHANGE D’IMAGES SAIM) – ANNEXES
CEGN/96/05 – Revision 1.1 – 1997-01
Annexes to the F E I S main document.
feisan11.doc (GAEL Systems)
DIMAP Specifications
Dimap is mainly a metadata format designed by Spot Image, Satellus and CNES (the French National Space Agency) to document digital imagemaps. It was designed taking into account the early experiences of GIS-Geospot and GIS-Image. Dimap stands for Digital Image Map.
Dimap metadata part allows to properly describe a dataset which contains geographic information representing a digital map. Namely, metadata describes in details, in a standard way, all the characteristics of the dataset. The Dimap set of metadata is specifically tailored to image (raster) description, it also contains a few tags for vector types of data.
Dimap is an open initiative of its creators. No Trade Mark nor Brand name has been registered, anyone can use Dimap for its own purposes. Moreover, the XML implementation leaves the possibility to add some new tags without disrupting other parsers. Anyone can contribute and make proposals for evolutions, provided they show the interest of the additions and can fully document it.
By adopting GeoTIFF as the primary image layer and XML to describe metadata, any basic internet browser may be used to access and view Dimap databases.
dimap.htm (Web)
r1986_9_spot_formatdimap_fr_sept2010.pdf (GAEL Systems)
PERFORMANCE SPECIFICATION – DIGITAL TERRAIN ELEVATION DATA (DTED)
MIL-PRF-89020B – 2000-05-23
This specification defines the requirements within National Imagery and Mapping Agency’s (NIMA) Digital Terrain Elevation Data Base which supports various weapon and training systems. This edition includes the Shuttle Radar Topography Mission (SRTM) DTED Level 1 and Level 2 requirements.
MIL-PDF-89020B.pdf (Web)
MIL-PRF-89020B.pdf (GAEL Systems)
PERFORMANCE SPECIFICATION – DIGITAL TERRAIN ELEVATION DATA (DTED)
MIL-PRF-89020A – 1996-04-19
This specification defines the requirements within Defense Mapping Agency’s (DMA) Digital Terrain Elevation Data Base which supports various weapon and training systems. DTED is produced at Level 1 and Level 2 levels.
DTED_89020A.pdf (GAEL Systems)
PERFORMANCE SPECIFICATION – DIGITAL TERRAIN ELEVATION DATA (DTED) – AMENDMENT 1
MIL-PRF-89020A Amendment 1 – 1999-04-27
This specificatios an amendment to PERFORMANCE SPECIFICATION – DIGITAL TERRAIN ELEVATION DATA (DTED) 1996-04-19.
DTED_89020A.pdf (GAEL Systems)
Definition of the Flexible Image Transport System (FITS)
Revision 3.0 – 2008-07-10
This document describes the Flexible Image Transport System (FITS ) which is the standard archival data format for astronomical data sets. Although FITS was originally designed for transporting image data on magnetic tape (which accounts for the ‘I’ and ‘T’ in the name), the capabilities of the FITS format have expanded to accommodate more complex data structures. The role of FITS has also grown from simply a way to transport data between different analysis software systems into the preferred format for data in astronomical archives, as well as the on-line analysis format used by many software packages.
fits_standard30.pdf (Web)
fits_standard30.pdf (GAEL Systems)
HDF5 File Format Specification Version 3.0
Revision 3.0 – 2016-04-25
This document describes the lower-level data objects; the higher-level objects and their properties are described in the HDF5 User’s Guide (https://support.hdfgroup.org/HDF5/doc/UG/HDF5_Users_Guide-Responsive%20HTML5/index.html#t=HDF5_Users_Guide%2FHDF5_UG_Title%2FHDF5_UG_Title.htm).
Three levels of information comprise the file format. Level 0 contains basic information for identifying and defining information about the file. Level 1 information contains the information about the pieces of a file shared by many objects in the file (such as B-trees and heaps). Level 2 is the rest of the file and contains all of the data objects with each object partitioned into header information, also known as metadata, and data.
The various components of the lower-level data objects are described in pairs of tables. The first table shows the format layout, and the second table describes the fields. The titles of format layout tables begin with ‘Layout’. The titles of the tables where the fields are described begin with ‘Fields’. For example, the table that describes the format of the version 2 B-tree header has a title of ‘Layout: Version 2 B-tree Header’, and the fields in the version 2 B-tree header are described in the table titled ‘Fields: Version 2 B-tree Header’.
The sizes of various fields in the following layout tables are determined by looking at the number of columns the field spans in the table. There are exceptions:
- The size may be overridden by specifying a size in parentheses
- The size of addresses is determined by the Size of Offsets field in the superblock and is indicated in this document with a superscripted ‘O’
- The size of length fields is determined by the Size of Lengths field in the superblock and is indicated in this document with a superscripted ‘L’
Values for all fields in this document should be treated as unsigned integers, unless otherwise noted in the description of a field. Additionally, all metadata fields are stored in little-endian byte order.
All checksums used in the format are computed with the Jenkins’ lookup3 algorithm.
Whenever a bit flag or field is mentioned for an entry, bits are numbered from the lowest bit position in the entry.
Various format tables in this document have cells with ‘This space inserted only to align table nicely’. These entries in the table are just to make the table presentation nicer and do not represent any values or padding in the file.
H5.format.html (Web)
HDF5_File_Format_Specification_Version_3.0.html (GAEL Systems)
The NetCDF Users’ Guide
2008-12
Unidata (http://www.unidata.ucar.edu) is a National Science Foundation-sponsored pro- gram empowering U.S. universities, through innovative applications of computers and net- works, to make the best use of atmospheric and related data for enhancing education and research.
The Network Common Data Form (netCDF) software described in this guide was orig- inally intended to provide a common data access method for the various Unidata applica- tions. These deal with a variety of data types that encompass single-point observations, time series, regularly-spaced grids, and satellite or radar images.
The netCDF software functions as an I/O library, callable from C, FORTRAN, C++, Perl, or other language for which a netCDF library is available. The library stores and retrieves data in self-describing, machine-independent datasets. Each netCDF dataset can contain multidimensional, named variables (with differing types that include integers, reals, characters, bytes, etc.), and each variable may be accompanied by ancillary data, such as units of measure or descriptive text. The interface includes a method for appending data to existing netCDF datasets in prescribed ways, functionality that is not unlike a (fixed length) record structure. However, the netCDF library also allows direct-access storage and retrieval of data by variable name and index and therefore is useful only for disk-resident (or memory-resident) datasets.
netcdf.pdf (Web)
netcdf.pdf (GAEL Systems)
DEPARTMENT OF DEFENSE – INTERFACE STANDARD – NATIONAL IMAGERY TRANSMISSION FORMAT VERSION 2.1
MIL-STD-2500C – 2006-05-01
This document, NITF 2.1, provides a detailed description of the standard file format structure. It specifies the valid data content and format for all fields defined within an NITF file. For this document, NITF refers to NITF Version 2.1. Several NITF implementation issues are addressed in the appendices. An example of NITF as the basis for file formation in tactical communications is provided in Section 6. Certifiable implementation of the NITF for support of interoperability is subject to constraints not specified in this standard.
2500C.pdf (Web)
MIL-STD-2500C.pdf (GAEL Systems)
NATO Secondary Imagery Format
ISO/IEC BIIF Profile NSIF01.00 – Revision 01.00 – 2002-08
This document contains specifications of the NSIF Profile.
NSIF_01_00_2002.pdf (GAEL Systems)
OGC Earth Observation Metadata profile of Observations and Measurements
10-157r4 – Revision 1.1 – 2016-06-09
This OGC Implementation Standard defines a profile of Observations and Measurements (ISO 19156:2010) for describing Earth Observation (EO) product metadata.
The document was initially produced during the ESA Heterogeneous Missions Accessibility [HMA] initiative and related projects. Although this standard has been developed in the context of these HMA projects, the content is generic to Earth Observation product description. The metadata model described in this document is structured to follow the different types of products (Optical, Radar, …) which are not HMA specific.
10-157r4.html (Web)
10-157r4_Earth_Observation_Metadata_profile_of_Observations__Measurements.pdf (GAEL Systems)
SAFE 1.3 Control Book – Volume 1 – Core Specifications
PGSI-GSEG-EOPG-FS-05-0001 – Revision 1.14 – 2010-11-12
This document provides the specifications of the Standard Archive Format for Europe (SAFE) developed by the European Space Agency in the framework of its Earth Observation ground segment activities.
PGSI-GSEG-EOPG-FS-05-0001-01-14-20101116105737.pdf (GAEL Systems)
SAFE 1.3 Control Book – Volume 2 – Recommendation for Specializations
PGSI-GSEG-EOPG-FS-05-0002 – Revision 1.11 – 2010-06-22
This book provides rules and guidelines for designing and implementing a SAFE Specialisation and intends to provide the necessary guidance to assure a consistent and homogeneous development of SAFE Specialisation across projects and organizations.
PGSI-GSEG-EOPG-FS-05-0002-01-11-20101116105737.pdf (GAEL Systems)
SAFE 1.3 Control Book – Volume 1 – Core Specifications
SAFE 1.3 Primer
PGSI-GSEG-EOPG-FS-010-0001 – Revision 1.1 – 2010-06-23
This SAFE Primer is a non-normative document intended to provide an easily readable description of the SAFE format, and is oriented towards quickly understanding how to manage a SAFE product.
PGSI-GSEG-EOPG-FS-010-0001-01-01.pdf (GAEL Systems)
SAFE 1.3 Control Book – Volume 2 – Recommendation for Specializations
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