Should transpose the 2-D matrix before passing to virtualfile_from_vectors

Author: seisman

pygmt/clib/session.py

@@ -1392,6 +1392,7 @@ def virtualfile_from_vectors(self, *vectors):
         # virtual file is closed. The conversion is implicit in
         # vectors_to_arrays.
         arrays = vectors_to_arrays(vectors)
+        print(vectors, arrays)
 
         columns = len(arrays)
         # Find arrays that are of string dtype from column 3 onwards
@@ -1831,7 +1832,7 @@ def virtualfile_in(  # noqa: PLR0912
             _data = (data,)
             if data.dtype.kind not in "iuf":
                 _virtualfile_from = self.virtualfile_from_vectors
-                _data = data
+                _data = data.T
 
         # Finally create the virtualfile from the data, to be passed into GMT
         file_context = _virtualfile_from(*_data)