[Qgis-user] Import lines from cvs

[Matthias Kuhn]

On 01/08/2016 12:07 PM, Fernando M. Roxo da Motta wrote:
> On Fri, 8 Jan 2016 09:07:48 +0100, Matthias Kuhn <matthias at opengis.ch>
> wrote:
>
>   Hi all,
>
>
>   Sorry to be nosy,  I was trying that myself on Qgis 2.12 and couldn't
> find the option during save.   The I notice the initial statement:
>
>    "This is relatively straightforward in QGIS master:"
>
>   So I got that those options are only available in the master
> development version.    Did I got that right?
Correct, master (development version) -> to become 2.14

Best regards,
Matthias

>
>
>   Regards.
>
>
>> Hi Joris
>>
>> On 01/07/2016 10:14 PM, Joris Hintjens wrote:
>>> Thanks Nyall,
>>>
>>> I try to understand your procedure, but…:
>>>
>>> line3: “save as…”: Before doing that, I already need a geometry
>>> defined, a proces you describe later i the process. I don’t get it.
>> Note the "with all null geometries" comment in 5. This will just
>> prepare an empty container which will be filled later.
>>
>>> line 4: "- expand out the "Geometry” group…”  This is an option
>>> from the “load csv layer”, not from “save layer as (shape)”
>> ... I see it as well in "save as"
>>
>>> line 8: change field to <geom>: which field?  I lost you there
>>> completely. Sorry.
>> Where you should specify a field name
>>
>>>
>>>
>>>> Op 7 jan. 2016, om 02:47 heeft Nyall Dawson
>>>> <nyall.dawson at gmail.com> het volgende geschreven:
>>>>
>>>> On 7 January 2016 at 07:08, Joris Hintjens <jorishin at gmail.com>
>>>> wrote:
>>>>> Hello,
>>>>> I’m lost.
>>>>> I have a list of movements. A table with (among others) a column
>>>>> “FROM”  and a column “TO” (both containing coordinates)
>>>>>
>>>>> How can I import this in QGIS so that I have a bunch of lines
>>>>> going from FROM to TO?
>>>>>
>>>> This is relatively straightforward in QGIS master:
>>>>
>>>> 1- import your CSV file
>>>> 2- right click the CSV layer, and choose "Save as"
>>>> 3- change format to "ESRI Shapefile". Choose the correct CRS for
>>>> your coordinates.
>>>> 4- expand out the "Geometry" group and change "Geometry type" from
>>>> "Automatic" to "LineString"
>>>> 5- click OK, the new LineString shapefile (with all null
>>>> geometries) will be added to the project
>>>> 6- now, you need to create the geometries. This is done through the
>>>> field calculator.
>>>> 7- tick "update existing field"
>>>> 8- change the field to "<geometry>"
>>>> 9- enter the expression:
>>>> 'make_line(make_point("x1","y1"),make_point("x2","y2"))' (but
>>>> replace x1, y1, ... with the correct columns names from your
>>>> original CSV file)
>>>> 10- click OK. Done!
>>>>
>>>> Nyall
>>>>
>>>>
>>>>> thanks for your comments
>>>>>
>>>>> Joris
>>>>>
>>>>> _______________________________________________
>>>>> Qgis-user mailing list
>>>>> Qgis-user at lists.osgeo.org
>>>>> List info: http://lists.osgeo.org/mailman/listinfo/qgis-user
>>>>> Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-user
>>> _______________________________________________
>>> Qgis-user mailing list
>>> Qgis-user at lists.osgeo.org
>>> List info: http://lists.osgeo.org/mailman/listinfo/qgis-user
>>> Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-user
>>>
>> _______________________________________________
>> Qgis-user mailing list
>> Qgis-user at lists.osgeo.org
>> List info: http://lists.osgeo.org/mailman/listinfo/qgis-user
>> Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-user
>
>
>
>
>
>
>   Roxo
>

-- 
Matthias Kuhn
OPENGIS.ch - https://www.opengis.ch
Spatial • (Q)GIS • PostGIS • Open Source