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List: qgis-user
Subject: Re: [Qgis-user] Measure distance along line
From: Prud'homme Jérémie <p.jeremie () gmail ! com>
Date: 2021-04-30 7:55:38
Message-ID: CAKQAZ8+1J-M177YVZuqvu+R1ndeyo+z51XTp6heVi+M8Xg5WkA () mail ! gmail ! com
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Thanks all for your answers.
To resume the possibilities :
- Create a temporary line layer, create a line with automatic tracing on.
Get the length of the created geometry
- Use Shortest path (point to point) tool, which allow to click on two
points on the line to create a temporary line layer with the path between
the two points. Length is saved into an attribute of that new layer.
- Having the measure tool to use the tracing option would be much
appreciated by everyone :)
@Nicolas Cadieux : the $length doesn't work as I only want a part of the
original line. It works with the temp line layer, for example as label, to
display easily the length of the features (is CRS is in meter of course).
Best regards,
J=C3=A9r=C3=A9mie.
Le ven. 30 avr. 2021 =C3=A0 00:27, Nyall Dawson <nyall.dawson@gmail.com> a
=C3=A9crit :
> On Thu, 29 Apr 2021 at 21:53, Prud'homme J=C3=A9r=C3=A9mie <p.jeremie@gma=
il.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.
>
> I'd also love to see this land in QGIS. While the measure tool
> currently works with all other layer snapping settings it **doesnt'**
> work with the tracing option. I think if QGIS allowed tracing with the
> measure tool then this use case would be handled nicely...
>
> Nyall
>
[Attachment #5 (text/html)]
<div dir="ltr"><div dir="ltr"><div dir="auto">Thanks all for your answers.<div \
dir="auto"><br></div><div dir="auto">To resume the possibilities :</div><div \
dir="auto">- Create a temporary line layer, create a line with automatic tracing on. \
Get the length of the created geometry</div><div>- Use Shortest path (point to point) \
tool, which allow to click on two points on the line to create a temporary line layer \
with the path between the two points. Length is saved into an attribute of that new \
layer.</div><div>- Having the measure tool to use the tracing option would be much \
appreciated by everyone :)</div><div><br></div><div>@Nicolas Cadieux : the $length \
doesn't work as I only want a part of the original line. It works with the temp \
line layer, for example as label, to display easily the length of the features (is \
CRS is in meter of course).</div><div><br></div><div>Best \
regards,</div><div>Jérémie.<br></div><div><br></div></div></div><br><div \
class="gmail_quote"><div dir="ltr" class="gmail_attr">Le ven. 30 avr. 2021 Ã 00:27, \
Nyall Dawson <<a href="mailto:nyall.dawson@gmail.com" \
target="_blank">nyall.dawson@gmail.com</a>> a écrit :<br></div><blockquote \
class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid \
rgb(204,204,204);padding-left:1ex">On Thu, 29 Apr 2021 at 21:53, Prud'homme \
Jérémie <<a href="mailto:p.jeremie@gmail.com" rel="noreferrer" \
target="_blank">p.jeremie@gmail.com</a>> wrote:<br> ><br>
> Hi,<br>
><br>
> I am wondering if it's possible to use the Measure distance tool to measure \
the distance between two places, following a line.<br> ><br>
> For example, I click on a first place on the line, I click on a second place and \
the tool automagically follow the line.<br> > Same behavior as what we can do with \
the use of automatic tracing for geaometrie creations.<br> <br>
I'd also love to see this land in QGIS. While the measure tool<br>
currently works with all other layer snapping settings it **doesnt'**<br>
work with the tracing option. I think if QGIS allowed tracing with the<br>
measure tool then this use case would be handled nicely...<br>
<br>
Nyall<br>
</blockquote></div>
</div>
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