[Qgis-user] Qgis-user Digest, Vol 163, Issue 14

[Huynh Mi Pham]

Dear all,

I have a line layer, I want to get valve start and end of layer line, then
I convert it into a point layer. Next, I want to link between line layer
and point layer (Point's ID will have in Line's attribution table). Is
there pygis do this things? I had used some plugins to create point from
line, but I got duplicated points and don't have any link.

Best regards.

Vào 02:03, T.5, 12 Th9, 2019 <qgis-user-request at lists.osgeo.org> đã viết:

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> Today's Topics:
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>    1. Importing records from both spreadsheet and gpx files
>       (G Fourteener)
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>
> ----------------------------------------------------------------------
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> Message: 1
> Date: Wed, 11 Sep 2019 16:49:11 +0000 (UTC)
> From: G Fourteener <gfourteener at yahoo.com>
> To: "qgis-user at lists.osgeo.org" <qgis-user at lists.osgeo.org>
> Subject: [Qgis-user] Importing records from both spreadsheet and gpx
>         files
> Message-ID: <1151581675.5692199.1568220551314 at mail.yahoo.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hello,
> I've been trying to figure out how to do this...
> I have a spreadsheet of records that has a field for the GPX file for each
> record. I'm able to use ogr2ogr to import the spreadsheet and the GPX files
> into different layers in a geopackage file. I haven't yet been able to
> figure out how to combine the two data sources into a single layer, or add
> a geometry column (and other GPX columns) to the imported spreadsheet layer
> from the corresponding GPX file. I've also tried using ogrmerge. The GPX
> layer uses any name within that file (which is different than the
> filename). I see QGIS has a vector layer merge function, but don't think
> that will work. Looks like using Python and gdal/ogr modules might work...
> The spreadsheet looks like:name, gpx filename, source, date, notes
> Thanks,Gerry
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