vsp format description

[Paul R.]

Hello everyone,
in connection with a project I want to write a converter for vsp files to CPACS. Therefore I am looking for a format description of a vsp file. Unfortunately, after some research I could not find anything. Is there a description of the format somewhere, similar to the CPACS format description?

The idea is to define a mapping using both format descriptions.

Best Regards,

Paul

[Rob McDonald]

There is no such documentation -- in some ways, the file format can not be documented in a static way.

The best way to achieve a conversion to or from the *.vsp3 file format will be to use the OpenVSP API.  If you want to go from VSP to CPACS, then you want to write a script that reads in a vsp3 file and then traverses that file, writing out a CPACS file.

Either way, the conversion is going to be an approximate and lossy process -- OpenVSP files will have information that CPACS is not ready to use -- or CPACS will have information that OpenVSP can not make use of.  This isn't a big deal, but it is something that you will need to be prepared for.

An interesting test would be to develop the conversions in both directions -- then you should be able to take a single model and convert it round-trip.  I.e. vsp3 to CPACS to vsp3 and then compare the start/end vsp3 files (similar with CPACS).

I don't know anything about their tool, but the folks at Smart-Up Engineering who make the JPAD modeler have some level of CPACS to OpenVSP conversion ability.  You might contact them.

Rob

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