[Qgis-user] Measure distance along line

[Nicolas Cadieux]

Hi,

If you have lines, just use the field calculator, add a length field 
and  use  "$length" (with no quotes) in the expression box. If you CRS 
is in meters, you will get meters.

Nicolas


On 2021-04-29 8:49 a.m., Prud'homme Jérémie wrote:
> Hi,
>
> Thanks, I didn't thought about this tool but it can do the job.
> Having the ability to follow the line in the measure tool would be 
> simpler for QGIS beginners, though.
>
> BR,
> Jérémie.
>
> Le jeu. 29 avr. 2021 à 14:03, Ujaval Gandhi 
> <ujaval at spatialthoughts.com <mailto:ujaval at spatialthoughts.com>> a écrit :
>
>     The closest I can think of is to use the 'Shortest path
>     (point-to-point)' tool from the Processing Toolbox. It will allow
>     you to select 2 points on your line layer and give you an output
>     line with the distance along the line as an attribute/
>     Logo <https://spatialthoughts.com/> 	
>     Ujaval Gandhi
>     Spatial Thoughts
>     mobile: +91-8095684687
>     email: ujaval at spatialthoughts.com <mailto:ujaval at spatialthoughts.com>
>     LinkedIn icon <https://www.linkedin.com/in/spatialthoughts/>
>     Twitter icon <https://twitter.com/spatialthoughts>
>
>
>
>
>
>     On Thu, Apr 29, 2021 at 5:23 PM Prud'homme Jérémie
>     <p.jeremie at gmail.com <mailto:p.jeremie at gmail.com>> wrote:
>
>         Hi,
>
>         I am wondering if it's possible to use the Measure distance
>         tool to measure the distance between two places, following a line.
>
>         For example, I click on a first place on the line, I click on
>         a second place and the tool automagically follow the line.
>         Same behavior as what we can do with the use of automatic
>         tracing for geaometrie creations.
>
>         BR,
>         Jérémie.
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-- 
Nicolas Cadieux
https://gitlab.com/njacadieux

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