Thanks David. It is a wonderful idea to be able to use Tag3D component
to show the grid index number.  I use G output instead of C you
suggested. Now all the grids are indicated. I guess C output has wider
meaning than what you put in its explanation. Now let me see if I can
call out or connect individual grid.

http://grasshopper3d.googlegroups.com/web/gridIndexNumber.JPG?hl=en&gsc=lICmSRYAAABTP72c2UEVl7HR4XDttAeog-kXU5InE09W2o0GCSVgCQ

On Feb 7, 5:37 am, David Rutten <[email protected]> wrote:
> Hi CMRHM,
>
> this is the easiest way I can think of to show cell index numbers:
>
> http://groups.google.com/group/grasshopper3d/web/GridCellIndex.png
>
> --
> David Rutten
> [email protected]
> Robert McNeel & Associates
>
> On Feb 7, 3:06 am, CMRHM <[email protected]> wrote:
>
> > When I make a RecGrid with defining both X and Y to 5, I will get a
> > 100 grids. Is there anyway to see the index number refering to each
> > grid?
>
> > I have a more complicated issue with selecting the specific grid. I
> > hope this is the right starting point to begin with.

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