[GRASS-dev] area measurements

[Anna Petrášová]

Vincent,

On Sun, Jan 5, 2014 at 5:19 AM, Vincent Bain <bain at toraval.fr> wrote:

> Hi Anna,
>
> I just tested on r58611. Unfortunately it fails :
>

could you try m.measure separately? Launch it from gui command line or menu
so that you have the interactive adding coordinates from map display. Could
you post the result of m.measure with and without -g flag?

Thanks,

Anna


> when prompted to click and drag first segment, it looks like it works
> but then it's impossible to click a third point.
>
> I need to kill once m.measure process, then a second m.measure process
> initiates, which I have to kill again. After both are killed, I get the
> following message on the console :
>
> > Measuring area:
> > Units not recognized, measurement failed.
> > Area: 0
> > Units not recognized, measurement failed.
> > Area: 0
>
> and the display refreshes.
>
> Here's my g.proj -g
>
> name=Lambert Conformal Conic
> proj=lcc
> ellps=clark80IGN
> lat_1=46.8
> lat_0=46.8
> lon_0=0
> k_0=0.99987742
> x_0=600000
> y_0=2200000
> towgs84=-168,-60,320,0,0,0,0
> pm=paris
> no_defs=defined
> nadgrids=ntf_r93.gsb,null
> unit=metre
> units=metres
> meters=1
>
> On the other hand, measuring distances works like a charm...
>
> Best,
> Vincent.
>
>
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