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Make feature ordering cooperate with --retain-points-multiplier (#188)

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* Make feature ordering cooperate with --retain-points-multiplier

* Forgot to check in the actual code changes???

* Sort within each multiplier cluster as well as between clusters

* Correct description of behavior in changelog

* Drag original feature sequence along in megatiles for post-filter sort

* Plumb the preserve-input-order flag through overzoom

* Sort in overzoom if requested

* Use within-tile input sequence numbers, not global sequence numbers

* Documentation

* Reverse direction of search to prevent accidental skipping

* Add some comments about converting between attribute representations
This commit is contained in:
Erica Fischer
2024-01-21 12:09:05 -08:00
committed by GitHub
parent 5d92a17193
commit 679a0d62f2
23 changed files with 41781 additions and 41134 deletions
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Makefile
+6
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@@ -310,6 +310,12 @@ overzoom-test: tippecanoe-overzoom
./tippecanoe-decode tests/pbf/0-0-0-filter-mult.pbf 0 0 0 > tests/pbf/0-0-0-filter-mult.pbf.json.check
cmp tests/pbf/0-0-0-filter-mult.pbf.json.check tests/pbf/0-0-0-filter-mult.pbf.json
rm tests/pbf/0-0-0-filter-mult.pbf tests/pbf/0-0-0-filter-mult.pbf.json.check
# Filtering with multiplier and preserve-input-order
# 243 features in the source tile tests/pbf/0-0-0-pop.pbf
./tippecanoe-overzoom -y NAME -y SCALERANK -j'{"*":["NAME","cn","e"]}' -m --preserve-input-order -o tests/pbf/0-0-0-filter-mult-order.pbf tests/pbf/0-0-0-pop.pbf 0/0/0 0/0/0
./tippecanoe-decode tests/pbf/0-0-0-filter-mult-order.pbf 0 0 0 > tests/pbf/0-0-0-filter-mult-order.pbf.json.check
cmp tests/pbf/0-0-0-filter-mult-order.pbf.json.check tests/pbf/0-0-0-filter-mult-order.pbf.json
rm tests/pbf/0-0-0-filter-mult-order.pbf tests/pbf/0-0-0-filter-mult-order.pbf.json.check
# Test that overzooming with a multiplier exactly reverses the effect of tiling with a multiplier
./tippecanoe -q -z5 --preserve-point-density-threshold 8 --retain-points-multiplier 3 -f -e tests/muni/out/out.dir tests/muni/muni.json
./tippecanoe -q -z5 --preserve-point-density-threshold 8 -f -o tests/muni/out/out.mbtiles tests/muni/muni.json