Forgot to handle 2D and 3D cases differently in one place

src/Adapter.cpp

@@ -192,7 +192,8 @@ RetVal<std::shared_ptr<Data3D>> Adapter::Def3DReader(const Adapter& ad, const st
   {
    xreq = ri->xdname + ":" + ri->xb + ":" + (nx - ri->xb);
 
-   auto ret = needsconvert ? ad.nc->Read(v->name, data, cnvtrans, req()) : ad.nc->Read(v->name, data, trans, req());
+   auto ret = needsconvert ? (onez ? ad.nc->Read(v->name, data2D, cnvtrans, req()) : ad.nc->Read(v->name, data, cnvtrans, req()))
+                           : (onez ? ad.nc->Read(v->name, data2D, trans, req()) : ad.nc->Read(v->name, data, trans, req()));
    if(!ret) return ret.Add(pref, "Can't read variable " + v->name);
   }
   {