When the Reef IDs Raster has the uint8 data type, the Create Coral Reef Connectivity Simulation tool fails with ValueError: The reef IDs raster ... uses 0 as a reef ID. This is not allowed.

[jjr8]

For example:

Executing (Create Coral Reef Connectivity Simulation From ArcGIS Rasters): CoralReefConnectivityCreateSimulationFromArcGISRasters C:\Temp\id\SimDir C:\Temp\id\id C:\Temp\id\cover\cover C:\Temp\id\cover\cover false
Start Time: Tue Dec 06 14:54:28 2011
Running script CoralReefConnectivityCreateSimulationFromArcGISRasters...
ValueError: The reef IDs raster C:\Temp\id\id uses 0 as a reef ID. This is not allowed.  Please remove the value 0 from the reef IDs raster and try again.
<type 'exceptions.ValueError'>: The reef IDs raster C:\Temp\id\id uses 0 as a reef ID. This is not allowed.  Please remove the value 0 from the reef IDs raster and try again.
Failed to execute (Create Coral Reef Connectivity Simulation From ArcGIS Rasters).
Failed at Tue Dec 06 14:54:29 2011 (Elapsed Time: 1.00 seconds)

[jjr8]

Fixed in r855, released in MGET 0.8a30.