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Track nodes added at tile edges during clipping

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Erica Fischer
2023-09-07 16:26:53 -07:00
parent fde8e944aa
commit 34188a1d4d
3 changed files with 87 additions and 26 deletions
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geometry.hpp
+3 -1
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@@ -66,7 +66,7 @@ drawvec from_tile_scale(drawvec const &geom, int z, int detail);
drawvec remove_noop(drawvec geom, int type, int shift);
drawvec clip_point(drawvec &geom, int z, long long buffer);
drawvec clean_or_clip_poly(drawvec &geom, int z, int buffer, bool clip);
drawvec simple_clip_poly(drawvec &geom, int z, int buffer);
drawvec simple_clip_poly(drawvec &geom, int z, int buffer, drawvec &shared_nodes);
drawvec close_poly(drawvec &geom);
drawvec reduce_tiny_poly(drawvec &geom, int z, int detail, bool *still_needs_simplification, bool *reduced_away, double *accum_area, serial_feature *this_feature, serial_feature *tiny_feature);
int clip(double *x0, double *y0, double *x1, double *y1, double xmin, double ymin, double xmax, double ymax);
@@ -85,6 +85,8 @@ drawvec polygon_to_anchor(const drawvec &geom);
drawvec checkerboard_anchors(drawvec const &geom, int tx, int ty, int z, unsigned long long label_point);
drawvec simple_clip_poly(drawvec &geom, long long x1, long long y1, long long x2, long long y2);
drawvec simple_clip_poly(drawvec &geom, long long x1, long long y1, long long x2, long long y2,
long long ax, long long ay, long long bx, long long by, drawvec &shared_nodes);
drawvec clip_lines(drawvec &geom, long long x1, long long y1, long long x2, long long y2);
drawvec clip_point(drawvec &geom, long long x1, long long y1, long long x2, long long y2);
void visvalingam(drawvec &ls, size_t start, size_t end, double threshold, size_t retain);