add a check for block overlap after the command line parsing
* Algorithm
*
* In a inner loop, the parameters from SSET are translated into temporary
* variables so that 1 row is printed at a time (getting the coordinate indices
* at each row).
* We define the stride, count and block to be 1 in the row dimension to achieve
* this and advance until all points are printed.
* An outer loop for cases where dimensionality is greater than 2D is made.
* In each iteration, the 2D block is displayed in the inner loop. The remaining
* slower dimensions above the first 2 are incremented one at a time in the outer loop
*
* The element position is obtained from the matrix according to:
* Given an index I(z,y,x) its position from the beginning of an array
* of sizes A(size_z, size_y,size_x) is given by
* Position of I(z,y,x) = index_z * size_y * size_x
* + index_y * size_x
* + index_x
*
tested: windows, linux
8005df6417