Input metadata file:    input/helix.txt
Output metadata:        tmpLink/xmipp_matrix_dimred_04/dimred.txt
Dim Red Method:         LLTSA
Dimension in:           3
Dimension out:          2
Number of samples:      1000
XMIPP_ERROR 29:  The matrix is empty
setCol: Target matrix is empty
File: libraries/data/matrix2d.h line: 1486