motiejus/wm
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somewhat similar result in one of the test cases

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Motiejus Jakštys 2021-05-19 22:57:45 +03:00 committed by Motiejus Jakštys
parent 14eaa3a7d7
commit d6f90a3ffb
1 changed files with 7 additions and 2 deletions
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9
wm.sql
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@ -238,6 +238,7 @@ begin
-- remove bends from bends[j+1] to bends[i] inclusive.
-- j := i+1
-- elif j > i:
-- bends[i-1] = st_removepoint(bends[i-1], -1)
-- bends[i] = bends[i][1]
-- bends[i] = append(bends[i], multi[2][2..n])
-- remove bends from bends[i+1] to bends[j] inclusive.
@ -247,7 +248,6 @@ begin
raise notice 'bends[j]: %', st_astext(bends[j]);
raise notice 'a: %, b: %', st_astext(a), st_astext(b);
raise notice 'multi: %', st_astext(multi);
insert into debug select x.path[1], x.geom from st_dump(multi) x;
raise notice '';
prev_length = array_length(bends, 1);
@ -257,7 +257,12 @@ begin
bends = bends[1:j] || bends[i+1:prev_length];
j = i;
else
bends[i] = st_makeline(st_pointn(bends[i], 1), st_removepoint(st_geometryn(multi, 2), 0));
bends[i-1] = st_removepoint(bends[i-1], st_npoints(bends[i-1])-1);
bends[i] = st_makeline(
st_pointn(bends[i], 1),
st_removepoint(st_geometryn(multi, st_numgeometries(multi)), 0)
);
insert into debug select x.path[1], x.geom from st_dump(bends[i-1]) x;
bends = bends[1:i] || bends[j+1:prev_length];
end if;
j = j - prev_length + array_length(bends, 1);