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pigreco/dove_mi_trovo.txt

Last active October 12, 2017 16:34
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dati dei punti e un box che li contiene, determina la posizione dei punti: alto, basso, destra o sinistra; da usare nelle etichette - vettore di copertura rettangolare
Raw
dove_mi_trovo.txt
CASE
WHEN
length( shortest_line( $geometry, boundary( @atlas_geometry ) ) ) < @dist_bordo
and
angle_at_vertex( shortest_line( $geometry, boundary( @atlas_geometry ) ) ,0) =180
THEN 'Alto'
WHEN
length( shortest_line( $geometry, boundary( @atlas_geometry ))) <@dist_bordo
and
angle_at_vertex( shortest_line( $geometry, boundary( @atlas_geometry ) ),0 ) =0
THEN 'Basso'
WHEN
length( shortest_line( $geometry, boundary( @atlas_geometry) ) ) <@dist_bordo
and
angle_at_vertex( shortest_line( $geometry, boundary( @atlas_geometry ) ),0 ) =270
THEN 'Dx'
WHEN
length( shortest_line( $geometry, boundary( @atlas_geometry )) ) <@dist_bordo
and
angle_at_vertex( shortest_line( $geometry, boundary( @atlas_geometry ) ),0 )=90
THEN 'Sx'
END
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