[GRASS-user] v.to.3d -r option not working properly

[Anna Petrášová]

On Tue, Oct 20, 2015 at 6:41 PM, Pedro Venâncio <pedrongvenancio at gmail.com>
wrote:

> Hi Anna,
>
>
>  Then I wanted to transform the z-coordinate to
>>
>>> an attribute column using
>>> v.to.3d -r input=contour_3d col="CONC" output=contour_2d
>>> (I added CONC column to contour_3d before, using v.db.addcol
>>> map=contour_3d
>>> columns="CONC double precision").
>>> However, the resulting contour_2d column CONC remains empty. No error is
>>> reported.
>>>
>>>
> It is not possible to avoid this procedure, of creating the new column in
> the layer of origin (3d layer), to get the height column in the 2d layer?
> Something like the 'column' parameter of v.random (Name of column for z
> values; Writes z values to column), where we just give a name to the height
> column in the resulting layer?
>
>
>
>
>>
>> nothing, it just was not implemented for lines, since 3D lines can have
>> vertices of different heights, but we can upload only one value. However,
>> since it makes perfectly sense for contours, I added the support for lines
>> there (r65493). Any chance you are using GRASS 7.1 (trunk) to try it out?
>>
>>
> Will this be backported to 7.0.x?
>

I believe I backported it, 7.0.2 RC1 release is just going on now, there
will be an announcement soon.


Anna

>
>
> Thank you very much!
>
> Best regards!
> Pedro
>
>
>
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