[Plplot-general] Question on PlcGrid2

[Jerry <lan...@qw...>]

plot.h contains the following. Is this correct? Is there one extra  
array or one too few dimension sizes or do I need to study the docs  
more?
Jerry

/*
* PLcGrid2 is for passing (as arrays of pointers) 2d coordinate
* transformation arrays.  The grid dimensions are passed for possible  
bounds
* checking.
*/

typedef struct {
     PLFLT **xg, **yg, **zg;
     PLINT nx, ny;
} PLcGrid2;