ecmwf metview – moptc june 2004 introduction to metview vesa karhila fernando ii ecmwf
TRANSCRIPT
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ECMWFMetview – MOPTC June 2004
Introduction to Metview
Vesa KarhilaFernando Ii
ECMWF
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About
Introduction – What can I do with Metview1 hour 15 minTraining course 3-5 March: three days!
Contents:Introduction with examplesHands-on play with MetviewDiscussion, questions
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About Metview
Interactive meteorological application to: Access Manipulate Visualisemeteorological 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
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What can I do with Metview?
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Wind plotting
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Field plotting
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Field plotting
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Satellite image + field
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Satellite image
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Tephigram
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Observation plotting
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Observation plotting
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Observation plotting
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Graph: curve, bar, area
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Graph: curve, bar, area
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Import Pictures
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Map Layout
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Metview Domain
Visualisation is only the top of Metview iceberg!
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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
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Metview Main User Interface
Edit to open Desktop
Click-Right for Desktop Menu
Main DesktopOpened Desktop
Icon Drawers
Menu Bar
Desktop Menu
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Metview Icon Editors
Graphical editor (Display Window)
Standard editor (MARS Retrieval)
Family editor (Simple Formula)
Text editor (Macro)
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Metview Manuals
Access to manuals on Metview web pages
PDF versionPrintable, searchable
HTML versionLinked to editors’ ‘?’ button
Also: MARS and Magics manuals!
(Running Metview locally: Installation Guide)
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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 locallyFreely available to Member StatesAvailable with a price tag for outsiders
NOTE: Metview runs on Unix platforms
Now on your training workstation…
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Starting Metview
1. Start Metview with command:
metview_new &
2. Get examples by running script:
~trx/mv2004/mv_get_intro
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Icon Id(click to see contents in plain text format)Input area
Input element: Check Button
Templates Drawer:Stores predefined (frequently used) icons
Save/Exit area
Help Button (linked to HTML Help Pages)
Input element: Icon Field
Input element: Option Menu
Input element: Alphanumeric Field
Metview Icon Editor example
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Display Window
Menu Bar
Frame Menu(Click-Right)
Content Tab Controls Tab
Command Buttons (‘Tool Tip Help’ when pointing to)
Plot Size Control
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‘Change Geography’ Window
Available in Frame Menu
Current Selection
Projection Buttons
Coastlines Preferences
In Edit menu
Menu Bar
Command Buttons (‘Tool Tip Help’ when pointing to)
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Scrolling Through Your Data
1. Inside a plot frame Select Scroll Command Button - cursor shape
changes to a left/right arrow if more data available
2. Using Controls Tab:
Current Data Position Animation/Step Controls
Click for a full List of Data
Frame Selector(here only 1 frame)
Progress Meter: drawn/not-drawn (see also: Background Drawing
Button)
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The VIEW Concept
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Layout Editor - Layout Tab
Selected Frame
Subdivideselected Frame(s)
Align Buttons
Connect/Disconnect
selected Frames
Connected Frames New/Delete/Join
Frames
View Icon
Tabs
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Contents Tab
Active Frame(s)
Remove Buttons (‘Tool Tip Help’ when pointing to)
3 Levels
Icon Edit(Click-Right)
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Trajectories
Trajectory database 30 days of data (-20…+10)
For Member States users: trajectory database only on ‘ecgate’ (and ‘ecgate1’)
Two icons
1. Define trajectories
2. Define visualisation
Predefined simple outlook – customise after plotting
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3D Visualisation – Vis5D