[Qgis-user] Lookgin for two shape editting tools

[Camilo Aristizabal]

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).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.3) Create 'string' or 'text' fields with much more than 4000 characters of width inside the shapes, not only 255.
Could you, guys please, help me to find the right paths?
Thanks!

Camilo Aristizabal

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