Metview Introduction

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1 Metview Introduction Fernando Ii Slide 1 Meteorological Visualisation Section ECMWF Metview - Introduction June

2 Outline Introduction Interactive usage demo Slide 2 Metview - Introduction June

Metview: meteorological workstation Working environment

plotting + data processing software Co-operative project:

August 2012) Built on core ECMWF technologies: Slide 3

3 Metview: meteorological workstation Working environment for Operational and Research Meteorologists Desktop plotting + data processing software Co-operative project: (Brazil) Freely available under Apache license (since August 2012) Built on core ECMWF technologies: Slide 3 MARS, GRIB_API, Magics, ODB, EMOSLIB Metview - Introduction June

4 Metview: software relationship Terralib Slide 4 Qt Metview - Introduction June

0 OpenGL graphics introduced in 1998 Metview 2.

5 Metview history (summary) Announced at first EGOWS in June 1990 (Oslo) First prototype in 1991 INPE First operational version in 1993 Metview 1.0 OpenGL graphics introduced in 1998 Metview 2.0 New user interface in 2000 Metview 3.0 Slide 5 Magics++ and Qt introduced in 2010 Metview 4.0 Metview - Introduction June

6 What can Metview do? Data: Access Examine ODB MARS + GRIB, BUFR, NetCDF, ODB, Geopoints, ASCII Manipulate Custom DB Plot / Overlay Archives Local files Generate graphics files: ps, eps, kml, svg, png, Can be run interactively or in batch Runs self-contained standalone From laptops to supercomputers Slide 6 No special data servers required (but easily connected to MARS or local databases) Metview - Introduction June

7 1) Data handling Supports a variety of data types (meteorological and nonmeteorological) Rich set of modules and functions for data manipulation Slide 7 Metview - Introduction June

8 2) Icon-based interface Slide 8 Metview - Introduction June

9 3) Drag and Drop support Slide 9 Metview - Introduction June

10 4) Macro language Powerful meteorologically oriented language Simple script language + modern computer language Extensive list of functions Interfaces with Fortran/C/C++ code Outputs: Derived data Multiple plots Customised editor Run in batch or interactive modes # Read a grib file temp = read ( /home/graphics/temp.grb ) # Re-scaling field if threshold > 0 then temp = temp a = integrate ( temp ) end if # Compute the gradient q = gradientb ( temp ) # Save field write ( "/home/graphics/gradient.grb, q ) Slide 10 # Plot field plot ( [ps,svg], q ) Metview - Introduction June

11 5) Strong synergy between Icons & Macros Every icon can be translated into a Macro command Slide 11 Metview - Introduction June

12 5) Strong synergy between Icons & Macros Plots can be translated into a Macro program Slide 12 Metview - Introduction June

13 6) Can produce a variety of meteorological charts Rich set of visualisation attributes Slide 13 Metview - Introduction June

14 6) Can produce a variety of meteorological charts Slide 14 Metview - Introduction June

15 6) Can produce a variety of meteorological charts Slide 15 Metview - Introduction June

16 6) Can produce a variety of meteorological charts Slide 16 Metview - Introduction June

17 6) Can produce a variety of meteorological charts Slide 17 Metview - Introduction June

18 6) Can produce a variety of meteorological charts Easy to overlay different data sets Slide 18 Metview - Introduction June

19 Who uses Metview? Used internally at ECMWF by researchers and operational analysts To assess the quality of Observations/Forecast To develop new (graphical) products For general research activities Member States (local installations and remotely on our ecgate server) Other national weather services and Universities Commercial customers of ECMWF products Slide 19 Metview - Introduction June

20 Metview : Interactive Usage Demo Slide 20 Metview - Introduction June

21 Metview releases Metview at ECMWF metview4 : stable user version metview4_new : test version available on ecgate Metview outside ECMWF export version: , released available for download as a source tarball as a virtual machine from the Webinars webpage Slide 21 Metview - Introduction June

For more information email us: Metview: metview@ecmwf.

int/metview Training / Webinars Links to optional tutorial

30-10.30am UTC: Q&A Slide 22 Via discussion room: www.hipchat.

22 For more information us: Metview: visit our web pages: Training / Webinars Links to optional tutorial material Download the virtual machine Friday, 21 st June, am UTC: Q&A Slide 22 Via discussion room: In case of problems, please us. Metview - Introduction June

Introduction to Metview

Introduction to Metview Fernando Ii, Iain Russell, Sándor Slide Kertész 1 Development Section - ECMWF 1 What is Metview? Retrieve/manipulate/visualise meteorological data Working environment for operational