Voxi voxels with .NET libraries

Hi,

I'm using .NET libraries to automatize some of our process and I have trouble with voxels generated by the Voxi extension.

I have a fonction that sample (horizontally and vertically) the voxel along lines. To do it, I'm using the CVOX.SampleVV function. It's working well and the function is well tested except when I'm using Voxels from Voxi. I guess the problem is with the coordinates. I think that Voxi generate grid in a local coordinate system and then project the voxel into a geographic coordinate system (generally an NAD83 UTM projection). How can I project my UTM coordinates in the local system?

Regards,