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Adding optional clipping to tippecanoe-overzoom (#298)

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* Plumb a clip bounding box around through overzoom

* Actually do some clipping

* Add a test

* Fix post-binning clipping

* Factoring out geometry parsing from feature parsing

* Accept a clip polygon argument to tippecanoe-overzoom

* Progress in the direction of polygon clipping

* Fix the wagyu flags. We need intersection, not union

* Remove debug spew

* Clip points to polygon bounds too

* Copy the geometric binning code to serve as intersection-finding code

* Add clipper2 for linestring clipping

* Compiles, but does not actually seem to clip. Hmm.

* Oh, it helps if I actually call the function

* Add clipping tests

* Add missing fixture, and don't crash if it is missing

* Remember to do polygon clipping after binning too

* Fix scaling before post-binning clipping. Add test.

* Remove unused parts of clipper

* Rename for consistency

* Revert accidentally added line

* Clip the clip regions to the tile bounds to reduce their complexity

* Add a test of clipping the clip region down to the tile boundary

* Update version and changelog
This commit is contained in:
Erica Fischer
2024-11-27 13:43:40 -08:00
committed by GitHub
parent 11e3196c9a
commit dcc616d3d4
31 changed files with 9458 additions and 163 deletions
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read_json.hpp
+3 -1
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@@ -11,7 +11,9 @@ extern int geometry_within[GEOM_TYPES];
extern int mb_geometry[GEOM_TYPES];
void json_context(json_object *j);
void parse_geometry(int t, json_object *j, drawvec &out, int op, const char *fname, int line, json_object *feature);
void parse_coordinates(int t, json_object *j, drawvec &out, int op, const char *fname, int line, json_object *feature);
std::pair<int, drawvec> parse_geometry(json_object *geometry, json_pull *jp, json_object *j,
int z, int x, int y, long long extent, bool fix_longitudes, bool mvt_style);
std::vector<mvt_layer> parse_layers(FILE *fp, int z, unsigned x, unsigned y, int extent, bool fix_longitudes);
serial_val stringify_value(json_object *value, const char *reading, int line, json_object *feature);