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add gentle inflection contribution by Tomas Straupis

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Motiejus Jakštys 2021-05-19 22:57:52 +03:00 committed by Motiejus Jakštys
parent 8374ffb269
commit e56805893e
1 changed files with 5 additions and 0 deletions
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wm.sql
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@ -194,6 +194,11 @@ begin
-- distance from head's 1st vertex should be larger than from 2nd vertex
exit when st_distance(ptail, phead[2]) < st_distance(ptail, phead[3]);
-- bend with smaller baseline wins when two neighboring bends can
-- have gentle inflections.
exit when st_distance(st_pointn(bends[i], 1), st_pointn(bends[i], -1)) <
st_distance(st_pointn(bends[i-1], 1), st_pointn(bends[i-1], -1));
-- Detected a gentle inflection.
-- Move head of the tail to the tail of head
bends[i] = st_removepoint(bends[i], 0);