Introduction to Metview

1
Introduction to Metview

• Vesa Karhila
• Fernando Ii
• ECMWF

2
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

3
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

4
What can I do with Metview?
netcdf
5
Wind plotting
6
Field plotting
7
Field plotting
8
Satellite image field
9
Satellite image
10
Tephigram
11
Observation plotting
12
Observation plotting
13
Observation plotting
14
Graph curve, bar, area
15
Graph curve, bar, area
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Import Pictures
17
Map Layout
18
Metview Domain

• Visualisation is only the top of Metview iceberg!

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Metview Concepts

• A Metview Task, e.g. Retrieve -gt Compute -gt
  Visualise/Savecan 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
Opened Desktop
Main Desktop
Menu Bar
Click-Right for Desktop Menu
Edit to open Desktop
Icon Drawers
Desktop Menu
21
Metview Icon Editors
Family editor (Simple Formula)

Graphical editor (Display Window)
Text editor (Macro)
Standard editor (MARS Retrieval)
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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)

23
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

24
Starting Metview

• Start Metview with command
• metview_new
• Get examples by running script
• trx/mv2004/mv_get_intro

25
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
26
Display Window
Plot Size Control
Menu Bar
Command Buttons (Tool Tip Help when pointing
to)
Frame Menu (Click-Right)
Content Tab Controls Tab
27
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
28
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
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The VIEW Concept
30
Layout Editor - Layout Tab
Align Buttons
Selected Frame
View Icon
Connected Frames
New/Delete/Join Frames
Tabs
Subdivideselected Frame(s)
Connect/Disconnect selected Frames
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Contents Tab
3 Levels
Active Frame(s)
Remove Buttons (Tool Tip Help when pointing to)
Icon Edit (Click-Right)
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Trajectories

• Trajectory database 30 days of data (-2010)
• For Member States users trajectory database only
  on ecgate (and ecgate1)
• Two icons
• Define trajectories
• Define visualisation
• Predefined simple outlook customise after
  plotting

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3D Visualisation Vis5D