Prefix for vector processes?

[m-mohr]

Originates from #382 (comment)

Should we change the vector_ prefix for the vector-related processes to something else?

After thinking a bit more about it, I think vector_ is fine. We still have a vector data cube as input, only the dimension is using the geometry terminology. As the prefixes do usually reflect the type of data you are passing in (i.e. vector data cube), we can stick with the names. Also to preserve a bit of backward compatibility with some rare implementations.

Other opinions?

[m-mohr]

Voted to be vector (4+, 1-, 2o)