Introduction to Metview Vesa Karhila Fernando Ii ECMWF

About Introduction – What can I do with Metview 1 hour 15 min Training course 3-5 March: three days! Contents: Introduction with examples Hands-on play with Metview Discussion, questions

About Metview Interactive meteorological application to: Access Manipulate Visualise meteorological data on Unix workstations “Everything in Metview is an icon” Easy to learn No need to type/remember commands Powerful meteorologically oriented macro language Interactive and batch modes Manuals available in PDF and HTML Check Metview web pages

What can I do with Metview? grib bufr ascii ps,png, jpeg netcdf ps,png jpeg

Wind plotting

Field plotting

Field plotting

Satellite image + field

Satellite image

Tephigram

Observation plotting

Observation plotting

Observation plotting

Graph: curve, bar, area

Graph: curve, bar, area

Import Pictures

Map Layout

Metview Domain Visualisation is only the top of Metview iceberg!

Metview Concepts A Metview Task, e.g. Retrieve -> Compute -> Visualise/Save can vary widely in complexity, but always: Task is decomposed into simple steps in a logical sequence Each step is an operation on a Metview icon

Metview Main User Interface Opened Desktop Main Desktop Menu Bar Click-Right for Desktop Menu Edit to open Desktop Icon Drawers Desktop Menu

Metview Icon Editors Family editor (Simple Formula) Graphical editor (Display Window) Text editor (Macro) Standard editor (MARS Retrieval)

Metview Manuals Access to manuals on Metview web pages PDF version Printable, searchable HTML version Linked to editors’ ‘?’ button Also: MARS and Magics manuals! (Running Metview locally: Installation Guide)

Where can I run Metview? Remotely at ‘ecgate’ You need ECMWF user id and access to ‘ecgate’ At your own institute Metview can be installed locally Freely available to Member States Available with a price tag for outsiders NOTE: Metview runs on Unix platforms Now on your training workstation…

~trx/mv2004/mv_get_intro Starting Metview Start Metview with command: metview_new & Get examples by running script: ~trx/mv2004/mv_get_intro

Metview Icon Editor example Icon Id (click to see contents in plain text format) Help Button (linked to HTML Help Pages) Input area Input element: Icon Field Input element: Check Button Input element: Option Menu Templates Drawer: Stores predefined (frequently used) icons Input element: Alphanumeric Field Save/Exit area

Display Window Plot Size Control Menu Bar Command Buttons (‘Tool Tip Help’ when pointing to) Frame Menu (Click-Right) Content Tab Controls Tab

‘Change Geography’ Window Available in Frame Menu Projection Buttons Menu Bar Command Buttons (‘Tool Tip Help’ when pointing to) Current Selection Coastlines Preferences In Edit menu

Scrolling Through Your Data Inside a plot frame Select Scroll Command Button - cursor shape changes to a left/right arrow if more data available Using Controls Tab: Progress Meter: drawn/not-drawn (see also: Background Drawing Button) Animation/Step Controls Current Data Position Frame Selector (here only 1 frame) Click for a full List of Data

The VIEW Concept

Layout Editor - Layout Tab Align Buttons Selected Frame View Icon Connected Frames New/Delete/Join Frames Tabs Subdivide selected Frame(s) Connect/Disconnect selected Frames

Contents Tab 3 Levels Active Frame(s) Remove Buttons (‘Tool Tip Help’ when pointing to) Icon Edit (Click-Right)

Trajectories Trajectory database 30 days of data (-20…+10) For Member States users: trajectory database only on ‘ecgate’ (and ‘ecgate1’) Two icons Define trajectories Define visualisation Predefined simple outlook – customise after plotting

3D Visualisation – Vis5D