[Qgis-user] clipping csv data to shapefile

[Frank Broniewski]

Hello,

I am a little bit late to the discussion, but this type of question is a typical use case for the “Select by Location” processing tool. In your case you would import your CSV data and the countries into a QGIS project. After that you can run the “Select by Location” processing tool and define criteria like intersects, within et al. Run the tool and it will select all points from your CSV that will match the criteria, you can then go ahead and save the selection as a new layer (Shapefile, CSV or something else). Make sure to tick the “Save only selected features” though.

HTH
Frank

Dipl. Geogr. Frank Broniewski
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Von: Qgis-user <qgis-user-bounces at lists.osgeo.org> Im Auftrag von Steve Research
Gesendet: Dienstag, 27. März 2018 15:05
An: Alexandre Neto <senhor.neto at gmail.com>
Cc: qgis-user at lists.osgeo.org
Betreff: Re: [Qgis-user] clipping csv data to shapefile

Thanks Alexandre,

I had done this for the Europe layer but did it again for both the data and coast layers.

Removed all other layers and ran the clip again.

That has worked perfectly.

Cheers
Steve

On 27 Mar 2018, at 08:10, Alexandre Neto <senhor.neto at gmail.com<mailto:senhor.neto at gmail.com>> wrote:
In that case, your Europe shape was not well projected. Setting the CRS at the project is not enough.

Set it back to the original CRS, then use the save as tool on the layer to reproject to WGS84.

If you are in QGIS 3, I think you no longer need to use the same CRS on both layers.

A ter, 27/03/2018, 07:54, Steve Research <stevesteveresearch at gmail.com<mailto:stevesteveresearch at gmail.com>> escreveu:
Thanks Alexandre,

I have tried that but it is odd. I have plant world distribution data (lat and long) in a csv which I have as a WGS84 vector layer. I have a European shp file which is converted to WGS84. If I clip the world data layer to the Europe shp I end up with a new, but blank, vector layer.

Cheers
Steve



On 26 Mar 2018, at 22:25, Alexandre Neto <senhor.neto at gmail.com<mailto:senhor.neto at gmail.com>> wrote:
Hi Steve,

In the processing toolbox search for clip.

set the csv as the input layer, and the world ?countries? shapefile as clip layer.

Hope it helps

Steve Research <stevesteveresearch at gmail.com<mailto:stevesteveresearch at gmail.com>> escreveu no dia segunda, 26/03/2018 às 21:31:
I have some plants distribution data (from GBIF) in CSV format.

I added this to my world map shapefile (Layer\Add Layer\Add Delimited Text layer).

Some records are outside of the coastline.

How can I clip this CSV data to the coastline?

Regards,
Steve
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