{Error using assert
The condition input argument must be convertible to a scalar logical.

Error in gemini3d.read.frame (line 34)
assert(isfile(filename), "Invalid simulation directory: no data file found")

Error in aurogem.sim.plot_gneiss (line 194)
    dat = gemini3d.read.frame(direc,'time',time, vars = ["ne", "Ti", "Te", "v1", "v2", "v3", "J1", "J2", "J3", "Phitop","vn1","vn2","vn3"]);
}