Re: [Qgis-user] QGIS-3 single line/point layers from hand-written co-ordinates

[info]

Hi John,

Happy retirement...

Simply create a text file with extension .csv and formatted as below, for example:

First line should be something like the following:
Longitude,Latitude,point,attribute_1,attribute_2

replace "attribute_x" with proper name

Then on each following line enter your hand written coordinate:
-23.123, 33.123, 1, volcano, volcano_name
...

When done save and import into QGIS using:
Layer -> Add Layer... -> Add Delimited Text Layer...

Make sure to correctly fill the Geometry Definition section. Normally, Lat & Lon should already be defined correctly. But you have to define "Geometry CRS"
Hopefully all your points are in the same CRS? Otherwise, create on csv file per CRS. Assuming you know in which coordinate system your points are!

Then you can symbolise the points using one of the attribute columns.

Hope this helps.

Regards,
Benoit de Cabissole

On 19/04/2021 16:36, John Moyle wrote:

I am a retired Chartered Engineer, Physician and Anaesthetist!. In retirement I have completed a PhD "The Maintenance of the Victorian Submarine Telegraph Cable System".  I want to correlate N Atlantic cable interruptions with geological events of that era. I have found a raster-file of the sea bed and a shape file of the tectonic plate boundaries. Fantastic! Now I want to make separate point or line layers for each interruption, volcano, earthquake and landslide.  I have all the data in lat/long, hand written in a notebook whilst searching the archives at the National Maritime Museum.

My problem is that all QGIS-3 courses take  many hours turning one into a town and country planner before the simple layers I want to make!  At 75, life is too short. I want to input the co-ordinates, by hand, layer by layer. Can anyone give me step by step instructions please.

Thank you

John Moyle

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