Hi all. The calculation of $length on the attached file returns weird results: when calculated as virtual field is ok, whereas when updating an existing field a negative result is given. I assume this is related to topological errors in the line, but nevertheless the diff between the two methods is unexpected. Furthermore, "Update all" does not seem to work on a column where sorting is applied (by clicking on column head). Anyone confirms? Should I open two tickets? Thanks. -- Paolo Cavallini - www.faunalia.eu QGIS & PostGIS courses: http://www.faunalia.eu/training.html
test_length.tar.gz
Description: application/gzip
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