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Extra coordinate precision; feature ordering; compression improvements

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* Add an option to retain extra coordinate precision at maxzoom

* Make sure not to shift away the extra detail from coordinates

* Add an option to convert double-precision attributes to single

* Sort attribute values in tiles to make them compress a little better

* Slightly improve polygon simplification

By choosing a point that would be retained after simplification
to be the start/end point that always gets retained

* I regret making all of these tests involve polygons

* Add an option to specify the size of tiny polygons

* Fix accidental requiring of argument for --single-precision

* Guard against duplicate points when generating "sizes" for them

* Restore the intended behavior that tiny polygons don't get simplified

* Make the extra detail settable rather than always maximizing it

* Revert "Improve maxzoom guessing for tightly-clustered point data sources (#4)"

This reverts commit fec5e8354c.

* Add an option to prevent choosing a base zoom higher than the maxzoom

* Keep the drop rate high enough when the basezoom gets constrained

* Revert "Revert "Improve maxzoom guessing for tightly-clustered point data sources (#4)""

This reverts commit db6bc27d9e.

* Add --order-by and --order-descending options

* Accept multiple --order-by and --order-descending-by sort keys
This commit is contained in:
Erica Fischer
2022-09-06 13:08:11 -07:00
committed by Erica Fischer
parent 4ea8a37611
commit a447dfc089
80 changed files with 13616 additions and 9945 deletions
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mbtiles.cpp
+6
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@@ -306,6 +306,12 @@ std::string stringify_strategies(std::vector<strategy> const &strategies) {
any = true;
}
if (strategies[i].tiny_polygons > 0) {
state.json_write_string("tiny_polygons");
state.json_write_number(strategies[i].tiny_polygons);
any = true;
}
if (strategies[i].tile_size > 0) {
state.json_write_string("tile_size_desired");
state.json_write_number(strategies[i].tile_size);