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Work in progress on binning features in overzoom (#258)

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* Factoring out tilestats management from GeoJSON file reading

* Move code around so overzoom can link against parse_layers

* Read the file of bins

* Plumb the bins through to overzoom()

* Some zip code bins to test with

* (Currently non-functional) test of binning

* Starting to spell out the bin matching loop

* Can't flatten points, so don't flatten bins either

* More fleshing out bin traversal

* Bounding box of tile-relative mvt geometry

* Smallest enclosing tile from bbox

* Most of the bin scan

* Add point in polygon check. It crashes.

* Find the matching bins

* GDAL-style bounding boxes have eaten my brain

* Make some features to bin into

* Increment a count as features are found to be within the bins

* Fix longitude wraparound in overzoom bins

* Fix the tests

* Push off attribute copying until after bin assignment

* Carry sum of numeric attributes into the bins

* Also add mean, min, and max

* Add --calculate-feature-index since I keep needing it for testing

* Add an option to accumulate sum/mean/max/min/count of all numeric attrs

* Don't bake in tippecanoe:mean, since we redo it from sum and count

* Forgot to update this test fixture after removing tiled mean

* Update version and changelog
This commit is contained in:
Erica Fischer
2024-09-05 12:06:51 -07:00
committed by GitHub
parent f3b575ead4
commit 5b18eea673
27 changed files with 1305 additions and 410 deletions
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geometry.hpp
+6 -3
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@@ -83,7 +83,7 @@ int quick_check(const long long *bbox, int z, long long buffer);
void douglas_peucker(drawvec &geom, int start, int n, double e, size_t kept, size_t retain, bool prevent_simplify_shared_nodes);
drawvec simplify_lines(drawvec &geom, int z, int tx, int ty, int detail, bool mark_tile_bounds, double simplification, size_t retain, drawvec const &shared_nodes, struct node *shared_nodes_map, size_t nodepos, std::string const &shared_nodes_bloom);
drawvec reorder_lines(const drawvec &geom);
drawvec fix_polygon(const drawvec &geom);
drawvec fix_polygon(const drawvec &geom, bool use_winding, bool reverse_winding);
std::vector<drawvec> chop_polygon(std::vector<drawvec> &geoms);
void check_polygon(drawvec &geom);
double get_area(const drawvec &geom, size_t i, size_t j);
@@ -121,7 +121,7 @@ std::string overzoom(std::vector<source_tile> const &tiles, int nz, int nx, int
bool demultiply, json_object *filter, bool preserve_input_order,
std::unordered_map<std::string, attribute_op> const &attribute_accum,
std::vector<std::string> const &unidecode_data, double simplification,
double tiny_polygon_size);
double tiny_polygon_size, std::vector<mvt_layer> const &bins);
std::string overzoom(std::vector<input_tile> const &tiles, int nz, int nx, int ny,
int detail, int buffer, std::set<std::string> const &keep, bool do_compress,
@@ -129,8 +129,11 @@ std::string overzoom(std::vector<input_tile> const &tiles, int nz, int nx, int n
bool demultiply, json_object *filter, bool preserve_input_order,
std::unordered_map<std::string, attribute_op> const &attribute_accum,
std::vector<std::string> const &unidecode_data, double simplification,
double tiny_polygon_size);
double tiny_polygon_size, std::vector<mvt_layer> const &bins);
draw center_of_mass_mp(const drawvec &dv);
void get_quadkey_bounds(long long xmin, long long ymin, long long xmax, long long ymax,
unsigned long long *start, unsigned long long *end);
#endif