[GRASS-dev] Different v.mkgrid table output depending on grid size

Michel Wortmann wortmann at pik-potsdam.de
Sat Nov 28 02:24:52 PST 2015

The magical number 27 comes from the fact that it puts letters into rown and coln and the alphabet is exhausted after 27 (although I wonder why the condition is && and not ||?). The inconsistency is just related to the counting of the row, i.e. the second argument to sprintf() in the else statement. So all thats needed is to replace the i + 1 with grid_info.num_rows - i.


On 28 Nov 2015, at 10:08, Maris Nartiss <maris.gis at gmail.com> wrote:

> I would call it a (undocumented) feature not a bug as it dates back to
> initial revision of v.mkgrid.
> Unfortunately I could not find the initial commit with a rationale
> behind magical number 27. Earliest change I found was from 2004, when
> Radim just commits v.mkgrid with message "upgrade". It is possible
> that this feature(?) dates back to original version "Written by GRASS,
> Fall of 88,  Michael H." thus its original meaning seems to be lost.
> I would suggest to go to trac and open a bug (with a patch,
> preferably). Question, of course, is - which behaviour is the correct
> one (count from bottom, count from top).
> https://trac.osgeo.org/grass/changeset/13320
> Māris.

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