Ok, good, dear Nicolas!I will test that and tell you back about the
results.Cheers!
Camilo
Em quinta-feira, 13 de maio de 2021 10:54:49 BRT, Nicolas Cadieux
<[email protected]> escreveu:
Looks like the second option was the right on.
https://gis.stackexchange.com/questions/323376/adding-location-of-start-and-end-points-to-the-attribute-table/323377#323377
Nicolas Cadieuxhttps://gitlab.com/njacadieux
Le 13 mai 2021 à 10:52, Nicolas Cadieux <[email protected]> a écrit :
Hi,
Create a new field in the field calculator and I would try something like
geom_to_wkt(start_point) or geom_to_wkt(start_point($geometry)). I cannot test
on my end. end_point should refer to the last node.
Nicolas
https://docs.qgis.org/3.16/en/docs/user_manual/working_with_vector/functions_list.html?highlight=start_point#geometry-functions
Nicolas Cadieuxhttps://gitlab.com/njacadieux
Le 13 mai 2021 à 10:20, Camilo Aristizabal <[email protected]> a
écrit :
Hi Nicolas
Thank you for your attention.
I'm going to try the second and third tips you sent me, and I'll inform you.
But the first one is just that I'm trying to avoid because I need to report
both, the start and the end of coordinates of the lines in the same *.dbf of
the vector line, and not in a second shapefile of points.
Could you help me to find the correct tool?
Best regards.
Camilo Aristizabal
Em quarta-feira, 12 de maio de 2021 23:42:31 BRT, Nicolas Cadieux
<[email protected]> escreveu:
See below
Nicolas Cadieuxhttps://gitlab.com/njacadieux
Le 12 mai 2021 à 14:38, Camilo Aristizabal <[email protected]> a
écrit :
Dear all
I'd like to do the next set of edition tasks:
1) Add XY coordinates at both the start and the end of lines in a shapefile
(avoiding to create or extract a second point-shape of specific vertices).
You can extract specific vertices and then use the field calculator to get the
coordinates
https://docs.qgis.org/3.16/en/docs/user_manual/processing_algs/qgis/vectorgeometry.html#extract-specific-vertices
2) Extract the envelope or to poligonize just the border of a cloud of
points(shapefile)... Similar to such with which do it from a raster in the GDAL
Raster Conversion tool.
This can be done with a concave hull. A better alternative are the boundary
tools in Lastools.
3) Create 'string' or 'text' fields with much more than 4000 characters of
width inside the shapes, not only 255.
I you use a file format like geopackage, you will not be limited to 255 like
the shapefiles.
Could you, guys please, help me to find the right paths?
Thanks!
Camilo Aristizabal
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