INDEX_CONV Function

Converts one-dimensional indices to n-dimensional indices, or n-dimensional indices to 1D indices.

j = INDEX_CONV( a, i )

a An n-dimensional array.

i A vector of m one-dimensional indices into a, or an m-by-n array of m n-dimensional indices into a.

j An m-by-n array of m n-dimensional indices into a (if i is one-dimensional) or a vector of m one-dimensional indices into a (if i is two-dimensional).

a = INDGEN( 2, 3 ) & j = INDEX_CONV( a, INDGEN(6) ) & PM, j
           0           0
           1           0
           0           1
           1           1
           0           2
           1           2
    PM, INDEX_CONV( a, j )