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The U-MARF User Services Interface (USI)

The U-MARF User Services Interface (USI). A Java Web Start Application for On-Line Access to the U-MARF. Loading the U-MARF client-side application …. Click here to start. Read the pop-ups and respond as appropriate. For this presentation all certificates and warnings were accepted (YES).

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The U-MARF User Services Interface (USI)

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  1. The U-MARF User Services Interface (USI) A Java Web Start Application for On-Line Access to the U-MARF

  2. Loading the U-MARF client-side application …

  3. Click here to start

  4. Read the pop-ups and respond as appropriate. For this presentation all certificates and warnings were accepted (YES).

  5. A dynamic progress bar appears while the client-side application is launched.

  6. The Java client application is ready for your input.

  7. Note: this client-side application includes a built in help system, providing context sensitive help whenever you click the help link.

  8. This is the on-line help tool.

  9. Possible to browse help tree and obtain help and definitions for particular features and functions

  10. Back to the real U-MARF on-line interface with Registration and login …

  11. Generate a personal account using the Register button

  12. A simple web-based form for entering user details and creating a login account All fields marked with an asterisk “*” must be completed

  13. The default preferences for requested media and geographic region of interests may be specified. These will be applied by default but can be over-ridden for specific orders.

  14. Some formats only apply to specific product groups. Note: in ordering data from other product groups your default format may not be applicable and may lead to non-completion of the order. Please be aware of this potential problem. We hope to minimise the occurrence of conflicts with ongoing improvements in error-handling.

  15. Click ok to return to the Java application.

  16. Login Here NB: for some actions keyboard shortcuts are available, e.g. Alt L for Log in (active characters are underlined) and “tab” keys to change focus. These features may by OS dependent.

  17. Also possible to have registered using this button

  18. Fill in user identification and password and click “OK”

  19. Java application navigation …

  20. Left hand area used for definition and management of a query.

  21. Right hand area for the display of results. For example, the results of a query …

  22. Product location displayed on a map. Results table of products matching query.

  23. Additional map functions also used for searches (more later …)

  24. Tabs for the selection of different services associated with product query and ordering

  25. Login/logout, account management, information and other ancillary functions

  26. Tab for searching for products (Query) and selecting items for an Order

  27. Selection of product group GEO : Geostationary Satellite Data (e.g. METEOSAT) LEO : Low Earth Orbit Satellite Data (e.g. METOP)SAF : Satellite Application Facility (High Level Products based on GEO and/or LEO data from the SAFs) Multimission: All products (i.e. queries across the GEO, LEO and SAF groups) Auxiliary Data: This is additional data used in the processing of LEO products (e.g. calibration and ephemeris data) …

  28. Query Mode Simple Mode: provides a basic set of search parameters. Product Time Space Quality

  29. Change Mode Advanced Mode: provides a more detailed set of search parameters on a per product basis. Non applicable parameters are greyed-out. A single product must be selected.

  30. These tools control the presentation of the product search tree Tree Management

  31. Three options: 1. Expand/Collapse tree nodes Tree Management

  32. Three options: 2. Show only selected nodes.

  33. Three options: 3. Clear selected nodes.

  34. This drop down menu changes the tree hierarchy.

  35. This drop down menu changes the tree hierarchy. Here the leaves are product types

  36. Changing the option

  37. In this hierarchy the satellites are at the leaves.

  38. Time to make a query …

  39. Select a group of products … or only a specific product Specify a Time range Of Interest (TOI) Specify a Region Of Interest (ROI) Click on Search (or hit return on the keyboard)

  40. For this case a warning occurs indicating that no Region Of Interest (ROI) was selected. Either acknowledge “Yes” or click “No” if you want to specify a ROI. In general a query has to include a product selection and a Time Range Of Interest. Specifying no ROI will search without geographic restriction. Time range will automatically reset to valid values if inconsistent data is entered.

  41. The number of results matching the query are returned. Click “Yes” to display the results.

  42. Warning: possible to define a query with too many results (e.g. > 500). A request is printed to refine the search (e.g. make the time window smaller).

  43. The example query here only produced seven results … click “Yes”

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