Guide to WMO Table Driven Code. Write BUFR or CREX encoding and/or decoding software. Require an update to BUFR or CREX encoding or decoding software. Dec 07, 2015 Download bufr decoder for free. A decoder for reading WMO's Bufr-format files of meteorological reports. The Best Workflow Software.

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Overview Large amounts of weather and satellite data are exchanged each day routinely in real time around the world. Pre-defined and standardised data formats are essential to be able to make use of such weather information and observations. The GRIdded Binary format (GRIB) is the primary World Meteorological Organization format for the storage and transmission of two-dimensional weather and climate grids, including the all-important numerical weather forecasts. The BUFR is the primary format used operationally on the GTS for real-time global exchange of weather and satellite observations. BUFR is self-describing and is table driven, that is, it is a single format that uses tables to encode a wide variety of meteorological data: land and ship observations; aircraft observations; wind profiler observations; radar data; climatological data, etc. ECMWF has developed ecCodes: an application program interface developed for decoding and encoding messages in the following formats:. WMO FM-92 GRIB and.

WMO FM-94 BUFR and. WMO GTS (only decoding in this release) ecCodes relies on a useful set of to provide quick access to the messages. C, Fortran 90 and Python interfaces provide access to the main ecCodes functionality. By the end of the course, participants will be familiar with a set of command line tools that provide an easy way to access and modify information contained in GRIB or BUFR messages. They will also learn how to use encoding and decoding functions in their scripts. There will be two versions of the course:. ecCodes for GRIB messages manipulation (course code: COM-ecCodesGRIB).

ecCodes for BUFR messages manipulation (course code: COM-ecCodesBUFR) Requirements The practical sessions for all modules will involve using a UNIX interactive system. Participants of any module must know basic UNIX commands, including how to use an editor (e.g. Vi, etc.) and the knowledge of a programming language (Fortran, C or Python) is desirable. All the lectures and practical activities will be in English.

Index (BUFR-Decoder-Java 1.0 API) Class SUMMARY: DETAIL: ucar.bufr Class Index java.lang.Object ucar.bufr.Index public final class Index extends java.lang.Object An 'in memory' index for Bufr files. May be constructed by scanning the file with BufrInput, or by reading a 'Bufr File Index' that was created by BufrIndexer. This has all the information in it needed to construct a netcdf object. Author: rkambic Nested Class Summary class class to represent each observation in the index.

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Static class class to represent a coordinate of a point (station) in the index. Static class class to represent a Parameter in the index. Field Summary static java.lang.String used to check versions of already created indexes. Constructor Summary Constructor for creating an Index from the Bufr file. Method Summary void (java.lang.String name, java.lang.String value) adds a GlobalAttribute to the index. Void (java.lang.String name, java.lang.String ISOdate, int dim, float latitude, float longitude, int altitude, long DDSoffset, long obsOffset, int bitPos, int bitBuf) adds a Observation to the index. Void (java.lang.String key, int dimension, boolean isNumeric, java.lang.String name, java.lang.String units) adds a Parameter to the index.

Void Sort the index information for quick access. (java.lang.String name, java.lang.String ISOdate, int dim, long DDSoffset, long obsOffset, int bitPos, int bitBuf) java.util.HashMap coordinates of the locations. Java.util.HashMap GlobalAttributes of index. Java.util.ArrayList locations in this dataset. Int numberObs in this dataset. Java.util.HashMap observations of index, one ArrayList for each location. Java.util.HashMap locations in this observation time.

Java.util.ArrayList observation times in this dataset. Java.util.ArrayList Parameters of index. Static void (java.lang.String args) main. Boolean (java.lang.String reference) open Bufr Index file for scanning. Boolean (java.lang.String reference, java.io.InputStream ios) open Bufr Index file for scanning. Methods inherited from class java.lang.Object equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait Field Detail currentindexversion public static final java.lang.String currentindexversion used to check versions of already created indexes. See Also: Constructor Detail Index public Index Constructor for creating an Index from the Bufr file.

Use the addXXX methods. Method Detail open public final boolean open(java.lang.String reference) throws java.io.IOException open Bufr Index file for scanning. Parameters: reference - URL or local filename of Bufr Index file Returns: false if does not match current version; you should regenerate it in that case.

Throws: java.io.IOException open public final boolean open(java.lang.String reference, java.io.InputStream ios) throws java.io.IOException open Bufr Index file for scanning. Parameters: reference - URL or local filename of Bufr Index file ios - input stream Returns: false if does not match current version; you should regenerate it in that case. Throws: java.io.IOException finish public final void finish Sort the index information for quick access.

GetGlobalAttributes public final java.util.HashMap getGlobalAttributes GlobalAttributes of index. Returns: HashMap of type GlobalAttributes. GetNumberObs public final int getNumberObs numberObs in this dataset. Returns: numberObs of locations. GetLocations public final java.util.ArrayList getLocations locations in this dataset. Returns: ArrayList of locations.

Interaction

GetObservations public final java.util.HashMap getObservations observations of index, one ArrayList for each location. Returns: HashMap of type Observation. GetObsTimes public final java.util.ArrayList getObsTimes observation times in this dataset. Returns: ArrayList of observation times. GetObsLocations public final java.util.HashMap getObsLocations locations in this observation time.

Meteorology

Returns: HashMap of type location Observation. GetCoordinates public final java.util.HashMap getCoordinates coordinates of the locations. Returns: HashMap of type coordinate. GetParameters public final java.util.ArrayList getParameters Parameters of index. Returns: ArrayList of type Parameters. AddObservation public final void addObservation(java.lang.String name, java.lang.String ISOdate, int dim, float latitude, float longitude, int altitude, long DDSoffset, long obsOffset, int bitPos, int bitBuf) adds a Observation to the index.

Parameters: name - ISOdate - dim - latitude - longitude - altitude - DDSoffset - obsOffset - bitPos - bitBuf - addGlobalAttribute public final void addGlobalAttribute(java.lang.String name, java.lang.String value) adds a GlobalAttribute to the index. Parameters: name - GlobalAttribute value - String getBufrObs public getBufrObs(java.lang.String name, java.lang.String ISOdate, int dim, long DDSoffset, long obsOffset, int bitPos, int bitBuf) addParameter public final void addParameter(java.lang.String key, int dimension, boolean isNumeric, java.lang.String name, java.lang.String units) adds a Parameter to the index. Parameters: key - dimension - isNumeric - name - units - main public static void main(java.lang.String args) throws java.io.IOException main. Parameters: args - empty Throws: java.io.IOException Class SUMMARY: DETAIL:.