[GRASS5] purpose of "format" field in cellhd?

[Markus Neteler]

On Thu, Aug 02, 2001 at 08:40:19PM -0700, Eric G. Miller wrote:
> On Thu, Aug 02, 2001 at 05:16:49PM +0200, Markus Neteler wrote:
> > Hi developers,
> > 
> > On Tue, Jul 31, 2001 at 03:01:44PM -0400, Justin Hickey wrote:
> > [...]
> > > Anyway, the reason for the mail, I have a friend who is trying to import
> > > Grass 5.0 raster files into other software, and he needs to know what -1
> > > means for the "format" field in the cell header file. I can't seem to
> > > remember and the programmer's manual does not indicate what a value of -1
> > > means. The value usually indicates how many bytes are used for storing the
> > > data but the minimum value seems to be 0 (which means 1 byte). Any idea of
> > > what -1 indicates?
> > 
> > as things are not fully set up here, I would like to ask you for an
> > answer which I can forward to Justin... I just can't remember the answer.
> 
> Floating point.  Means look in fcell/<raster>/ for the real deal.  Some
> "other software" may not handle this scenario (I know MicroImages'
> TNTMips doesn't -- though it does do 4.x style CELL).

Ah - thanks. I have updated the programmer's manual (chapter 5) accordingly
and fwd'ed to Justin.

Markus