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As a starting point, the overlay test (AllGammaOverlay) is run exactly like the system test AllGamma sample with the following exceptionsadditions:
- default overlay job options are included,
No Format #include "$OVERLAYROOT/src/MergeAlgs/Overlay.txt";
- overlay XML input location is specified,
No Format OverlayInputSvc.InputXmlFilePath = "path_to_Leon's_latest_overlay_files";
- RootIo option to avoid memory leak,
No Format RootIoSvc.RebuildIndex = false;
- orbit inclination set, but not relevant for systests (thrown in detector coords)
No Format FluxSvc.OrbitInclination = 25.8;
The overlay input files are selected by setting an environment variable.
The overlay event format changes a bit with the releases requiring updates to the file location, meaning the XML location and Overlay_path are currently updated by hand to match the desired GR version (this is fraught with peril and I have already screwed it up once). Here is what I am using, but I think there may be additional access options.
| No Format |
|---|
GR v17r7: Overlay_path=/nfs/farm/g/glast/u31/lsrea/McIlwainL/5-Feb-2009/
>=GR v17r10: Overlay_path=/nfs/farm/g/glast/u31/lsrea/McIlwainL/18-Mar-2009/
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