[GRASS-dev] Re: [GRASS GIS] #1161: g.region and r.info decimal
issue when using grass python libs
GRASS GIS
trac at osgeo.org
Sun Oct 3 22:27:11 EDT 2010
#1161: g.region and r.info decimal issue when using grass python libs
-------------------------+--------------------------------------------------
Reporter: isaacullah | Owner: grass-dev@…
Type: defect | Status: closed
Priority: normal | Milestone: 6.4.1
Component: Python | Version: 6.4.0
Resolution: invalid | Keywords: g.region, precision
Platform: All | Cpu: All
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Changes (by cmbarton):
* cc: cmbarton (added)
Comment:
Replying to [comment:10 hamish]:
> Replying to [comment:8 hamish]:
> > I guess what I find weird is that g.region will never report
> > with precision > .15g, which is exactly representable
>
> well, no, as in the "5.1" example. but reproducible anyhow..
>
> > & will never saturate the double-prec bitspace, and so the python
> > repr() example above is perhaps using %.16f internally?
>
> anyway, if it matters python's "print" gives it back to you in the form
you were expecting,
>
> {{{
> >>> n = 4293588.60267
> >>> n
> 4293588.6026699999
> >>> print n
> 4293588.60267
> }}}
>
>
> Hamish
>
> ps- do you mind if I move LandDyn/ in addons svn to raster/LandDyn?
That's fine. But we need to copy Isaac, as he is maintaining this.
Michael
--
Ticket URL: <https://trac.osgeo.org/grass/ticket/1161#comment:11>
GRASS GIS <http://grass.osgeo.org>
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