[Paraview] Possible NetCDF conflict?

[Adriano Gagliardi]

Dear All,

I appear to be getting a conflict between a reader plugin I developed that
handles the NetCDF format and the latest release of ParaView. The call that
is giving me issues is the NcVar function call, name(), which returns a
NcToken (const char *). The issue is that the call now returns a NULL
pointer regardless of dataset, which is wrong. 

To be clear:

(1) I have compiled my plugin with the same, static netcdf libraries
consistently between both versions of ParaView.
(2) The reader code has not changed between both versions of ParaView.
(3) All variables exist in the NetCDF files and the data files themselves
have not changed between both versions of ParaView.
(4) By removing the NcVar var->name() call in the code and hard-coding a
variable name that exists in the file (e.g. const char* = "pressure"), the
reader works i.e. it detects the variable, loads it in and displays it
correctly.

Item 4 is what leads me to believe there is now some sort of conflict
occuring between the old (PV3.6.2) and new (3.10.1) versions of ParaView. I
know there is support for specific NetCDF files in ParaView already. If
possible, I'd like to try and compile my plugin against the NetCDF libraries
used for those readers. Can I do this? In the meantime, I'm going to try
downloading and compiling against the latest NetCDF libraries to see if it
resolves the issue.

Thanks,

Adriano

===================================

Adriano Gagliardi MEng PhD
Business Sector Leader
Computational Aerodynamics
Aircraft Research Association Ltd.
Manton Lane
Bedford

Tel: 01234 32 4644
E-mail: agagliardi at ara.co.uk
Url: www.ara.co.uk 


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