Re: [Qgis-user] results Measure Tool vs. length()

...@gmail.com] Verzonden: dinsdag 22 mei 2018 23:37 Aan: Michel Stuyts <michel.stu...@edegem.be> CC: Micha Silver <tsvi...@gmail.com>; qgis-user <qgis-user@lists.osgeo.org> Onderwerp: Re: [Qgis-user] results Measure Tool vs. length() The measure tool measures elipsoidal dista

Re: [Qgis-user] results Measure Tool vs. length()

> Verzonden: vrijdag 18 mei 2018 17:41 > Aan: Michel Stuyts; qgis-user > Onderwerp: Re: [Qgis-user] results Measure Tool vs. length() > > Maybe I misunderstood your question, but you *should* expect different > length, area and direction calculations when converting from o

Re: [Qgis-user] results Measure Tool vs. length()

: Micha Silver [tsvi...@gmail.com] Verzonden: vrijdag 18 mei 2018 17:41 Aan: Michel Stuyts; qgis-user Onderwerp: Re: [Qgis-user] results Measure Tool vs. length() Maybe I misunderstood your question, but you *should* expect different length, area and direction calculations when converting from one

Re: [Qgis-user] results Measure Tool vs. length()

<michel.stu...@edegem.be>; Springfield Harrison <stellar...@gmail.com>; qgis-user <qgis-user@lists.osgeo.org> Onderwerp: Re: [Qgis-user] results Measure Tool

Re: [Qgis-user] results Measure Tool vs. length()

u...@edegem.be>, "Springfield Harrison" <stellar...@gmail.com>, "qgis-user" <qgis-user@lists.osgeo.org> Envoyé: Vendredi 18 Mai 2018 11:01:04 Objet: Re: [Qgis-user] results Measure Tool vs. length() Hi Michel, Never use epsg 3857 for measurement beacuse it

Re: [Qgis-user] results Measure Tool vs. length()

Van: Julien Guilloux [mailto:julien.guill...@ecrins-parcnational.fr] Verzonden: vrijdag 18 mei 2018 11:01 Aan: Michel Stuyts <michel.stu...@edegem.be>; Springfield Harrison <stellar...@gmail.com>; qgis-user <qgis-user@lists.osgeo.org> Onderwerp: Re: [Qgis-user] results Measure Too

Re: [Qgis-user] results Measure Tool vs. length()

[ http://www.ecrins-parcnational.fr/ | www.ecrins-parcnational.fr ] De: "Michel Stuyts" <michel.stu...@edegem.be> À: "Springfield Harrison" <stellar...@gmail.com> Cc: "qgis-user" <qgis-user@lists.osgeo.org> Envoyé: Vendredi 18 Mai 2018 08:44:01 Ob

Re: [Qgis-user] results Measure Tool vs. length()

$length gives the same result as length($geometry) Michel Van: Springfield Harrison [mailto:stellar...@gmail.com] Verzonden: vrijdag 18 mei 2018 2:52 Aan: Michel Stuyts <michel.stu...@edegem.be> CC: qgis-user <qgis-user@lists.osgeo.org> Onderwerp: Re: [Qgis-user] results Measure Too

Re: [Qgis-user] results Measure Tool vs. length()

Interesting and alarming observation. And how do those results compare with output from the $length variable? Cheers . . . . . Springfield Samsung Tab 4 On May 17, 2018 5:26 AM, "Michel Stuyts" wrote: > In the length() function QGIS uses the CRS unit of the layer to

[Qgis-user] results Measure Tool vs. length()

In the length() function QGIS uses the CRS unit of the layer to calculate the result. When I use for example a layer in a local CRS like EPSG:31370 or EPSG:5439 and a layer in EPSG:3857 (that all use meters as unit) the results are very different (+40% difference). Changing the project CRS