Use the Product Requirements Editor (PREd) to change your real-time forecast data requirements
What is the Product Requirements Editor (PREd)?
The Product Requirements Editor (PREd) is a web application for the configuration and maintenance of real-time dissemination requirements.
The PREd is available to the following real-time forecast data users:
- ECMWF Member and Co-operating Statesoperating States (ECMWF members)
- NMHS licence holders
- Maximum charge licence holders
Access to PREd is arranged as part of your real-time forecast data delivery set up.
How to use the Product Requirements Editor (PREd)
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| Instructions for members |
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| Instructions for members |
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| title | NMHS & max charge licence holders |
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| | Include Page |
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| Instructions for NMHS and max-charge licence holders |
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| Instructions for NMHS and max-charge licence holders |
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| title | Autocomplete |
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| type | generic |
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| - What it does: Provides users with a list of parameters that exist in the parameter database
- How to use: ctrl+space
- Example video: Autocomplete.mov
- Future enhancements:
- search for ALL parameters by parameter ID
- only display parameters that are valid in dissemination and valid for your current request (this is currently just a dump of all parameters from the parameter database)
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| title | Inheritance |
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| type | generic |
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| - What it does: Displays the data that is being inherited from the preceding dissemination request
- How to use: hover over the
 icon - Example video: Inheritance.mov
- Future enhancements: selectively paste inherited data into the requirements
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| - What it does: Allows users to insert template requirements into their feed, which they can modify and use to build requests from scratch
- How to use: hover over the <> icon
- Example video: Snippets.mov
- Future enhancements: snippets for ALL datasets will be added prior to the first release
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| - What it does: Displays differences between:
1. the operational version of a feed and the amended version of that same feed
2. the operational version and a previous operational version
3. two previous operational versions - How to use: select the 'view changes' action
- Example video: Diff.mov
- Future enhancements: add the option to save any changes that are made to the requirements while using the diff window
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Common validation errors
See common validation errors and how to solve them!
Volume estimates
The PREd provides an estimate of the number of fields and volume of data requested.
Find out more about volume estimates with PREd.
