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Error reading VPF data

  • October 8, 2015
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I am currently working with VPF data (the worldwide Digital Navigation Chart databases from NGA) and I'm having trouble with a few of the 29 databases. I need to convert them to another format, and I'm using the VPF_DB reader to read the DHT file, and then a Feature Reader. Most of the databases go through the workspace with no problem, but three of the databases give the following error: 

 

"Missing or badly formatted column value descriptor table name for column 0 of VPF table"

 

Older versions of these three databases (from around 2013) do not give this error, but when patching them up to the newest version, or when I recieved the newest full version directly from NGA, FME does not accept them.

 

The VPF format seems very complex and I don't really have the know-how to dive into the files themselves and understand what's going on.

 

Does anyone have an idea of what could be wrong?

 

 
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