From https://en.wikipedia.org/wiki/Splash_screen:

A splash screen is a graphical control element consisting of a window containing an image, a logo, and the current version of the software. A splash screen can appear while a game or program is launching. A splash screen may cover the entire screen or web page; or may simply be a rectangle near the center of the screen or page. 

By default, Delft-FEWS shows a splash screen upon launch. If no splash screen is defined, Delft-FEWS currently (April 2025) shows below image.

Many if not most Delft-FEWS users (and configurators!) choose to set a splash screen of their own. Present wiki page documents how to do this through configuration.

Setting your splash screen

Upon launch, Delft-FEWS will, in the region home folder, look for a file called fews-splash.jpg. If that is found then that's used to fire up the client. In stand-alone applications, one can manually ensure the file exists. In a live system's operator client, one may want to configure that OC's config file to include the splash screen as an 'otherRootConfigFile' which will then ensure that the image, provided it is available from Config/RootConfigFiles, is pushed to the OC's region home folder.

If your file is named differently or if you would like to store it elsewhere then there is the option to include -Wsplash.image=.\fews-splash.jpg in your shortcut, where you specify both folder and file name after the 'is equal to' sign.

How to make a splash screen

Most splash screens comprise an image, one or multiple logos and text. Splash screens are most easily made using a graphical editing tool that allows for editing 'layers' separately, and then exporting as a single JPEG file. The author of present text tends to use Inkscape for this. Please find attached a folder with a sample Inkscape project file.

Example splash screens

Blackwater-Suir AFFS


Suir AFFS

Blackwater FFS

IMFS

RWsOS-IWP (2025)

RWsOS-Meren (2025)

RWsOS-Noordzee (2025)

RWsOS-Rivieren (2025)

RWsOS-RMM (2025)

Regge, one of the first and not any more existing systems

FEWS Vecht

PJTC Nile

BOS Noorderziljvest

WAM Noorderzijlvest

WBL

Sava

Trebizat

WIS Hunze en Aa's

BOS Hunze en Aa's

FEWS Accra

Ontario Power Generation

Hydrological Prediction System

Alberta River Forecasting System

TransAlta Inflow Ensemble Forecasting System

Toronto and Region Conservation Authority (TRCA)

Flood Forecasting and Warning System

Jakarta Flood Early Warning System (J-FEWS)

Pusat Studi Hidroinformatika


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