[R-sig-Geo] v.split.length (GRASS) in R

[Manuel Spínola]

Thank you very much Roger.

Sorry about that, I took the name from the Processing toolbox in QGIS and I
assumed (wrongly)  that was the name in GRASS.

I want to split a vector line (route) in equal contiguous segments of 500 m.

Manuel

2016-11-24 2:09 GMT-06:00 Roger Bivand <Roger.Bivand at nhh.no>:

> Before giving advice, please do ask for clarification. There is no
> v.split.length in GRASS at all, there is only v.split. Without a fully
> specified GRASS command, such as:
>
> v.split -n input=??, output=??, length=10.0, units="meters"
>
> which means add vertices each 10m, but do not split the vector line, we
> could think that the OP wants to divide a line into contiguous shorter
> segments. What does the OP actually want to do? Once we know that (which we
> do not), we can offer advice, including running the command in GRASS -
> which should be done anyway to ensure that the output of R-only approaches
> matches the desired output object.
>
> Roger
>
>
> On Wed, 23 Nov 2016, Manuel Spínola wrote:
>
> Dear list members,
>>
>> Is it possible to run v.split.length from GRASS in R? Or is there anyway
>> to
>> split a SpatialLinesDataFrame to shorter segments by length in R?
>>
>> Best,
>>
>> Manuel
>>
>> --
>> *Manuel Spínola, Ph.D.*
>> Instituto Internacional en Conservación y Manejo de Vida Silvestre
>> Universidad Nacional
>> Apartado 1350-3000
>> Heredia
>> COSTA RICA
>> mspinola at una.cr <mspinola at una.ac.cr>
>> mspinola10 at gmail.com
>> Teléfono: (506) 8706 - 4662
>> Personal website: Lobito de río <https://sites.google.com/site
>> /lobitoderio/>
>> Institutional website: ICOMVIS <http://www.icomvis.una.ac.cr/>
>>
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>
> --
> Roger Bivand
> Department of Economics, Norwegian School of Economics,
> Helleveien 30, N-5045 Bergen, Norway.
> voice: +47 55 95 93 55; fax +47 55 95 91 00
> e-mail: Roger.Bivand at nhh.no
> http://orcid.org/0000-0003-2392-6140
> https://scholar.google.no/citations?user=AWeghB0AAAAJ&hl=en
> http://depsy.org/person/434412




-- 
*Manuel Spínola, Ph.D.*
Instituto Internacional en Conservación y Manejo de Vida Silvestre
Universidad Nacional
Apartado 1350-3000
Heredia
COSTA RICA
mspinola at una.cr <mspinola at una.ac.cr>
mspinola10 at gmail.com
Teléfono: (506) 8706 - 4662
Personal website: Lobito de río <https://sites.google.com/site/lobitoderio/>
Institutional website: ICOMVIS <http://www.icomvis.una.ac.cr/>

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