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Merge remote-tracking branch 'origin/main' into clean-polygons

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This commit is contained in:
Erica Fischer
2024-02-22 15:44:29 -08:00
parent e88bdde3f0 2b6630c42c
commit 9b2c5baddf
108 changed files with 123208 additions and 5531 deletions
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geometry.cpp
+24 -32
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@@ -21,7 +21,7 @@
#include "errors.hpp"
#include "projection.hpp"
drawvec decode_geometry(char **meta, int z, unsigned tx, unsigned ty, long long *bbox, unsigned initial_x, unsigned initial_y) {
drawvec decode_geometry(const char **meta, int z, unsigned tx, unsigned ty, long long *bbox, unsigned initial_x, unsigned initial_y) {
drawvec out;
bbox[0] = LLONG_MAX;
@@ -56,18 +56,10 @@ drawvec decode_geometry(char **meta, int z, unsigned tx, unsigned ty, long long
wwy -= ty << (32 - z);
}
if (wwx < bbox[0]) {
bbox[0] = wwx;
}
if (wwy < bbox[1]) {
bbox[1] = wwy;
}
if (wwx > bbox[2]) {
bbox[2] = wwx;
}
if (wwy > bbox[3]) {
bbox[3] = wwy;
}
bbox[0] = std::min(wwx, bbox[0]);
bbox[1] = std::min(wwy, bbox[1]);
bbox[2] = std::max(wwx, bbox[2]);
bbox[3] = std::max(wwy, bbox[3]);
d.x = wwx;
d.y = wwy;
@@ -96,13 +88,13 @@ void check_polygon(drawvec &geom) {
mapbox::geometry::linear_ring<long long> lr;
for (size_t k = i; k < j; k++) {
lr.push_back(mapbox::geometry::point<long long>(geom[k].x, geom[k].y));
lr.push_back({geom[k].x, geom[k].y});
}
if (lr.size() >= 3) {
mapbox::geometry::polygon<long long> p;
p.push_back(lr);
mp.push_back(p);
p.push_back(std::move(lr));
mp.push_back(std::move(p));
}
}
@@ -166,7 +158,7 @@ double get_perimeter(const drawvec &geom, size_t i, size_t j) {
return perimeter;
}
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) {
drawvec reduce_tiny_poly(drawvec const &geom, int z, int detail, bool *still_needs_simplification, bool *reduced_away, double *accum_area, serial_feature *this_feature, serial_feature *tiny_feature) {
drawvec out;
const double pixel = (1LL << (32 - detail - z)) * (double) tiny_polygon_size;
bool includes_real = false;
@@ -222,11 +214,11 @@ drawvec reduce_tiny_poly(drawvec &geom, int z, int detail, bool *still_needs_sim
if (area > 0 && *accum_area > pixel * pixel) {
// XXX use centroid;
out.push_back(draw(VT_MOVETO, geom[i].x - pixel / 2, geom[i].y - pixel / 2));
out.push_back(draw(VT_LINETO, geom[i].x - pixel / 2 + pixel, geom[i].y - pixel / 2));
out.push_back(draw(VT_LINETO, geom[i].x - pixel / 2 + pixel, geom[i].y - pixel / 2 + pixel));
out.push_back(draw(VT_LINETO, geom[i].x - pixel / 2, geom[i].y - pixel / 2 + pixel));
out.push_back(draw(VT_LINETO, geom[i].x - pixel / 2, geom[i].y - pixel / 2));
out.emplace_back(VT_MOVETO, geom[i].x - pixel / 2, geom[i].y - pixel / 2);
out.emplace_back(VT_LINETO, geom[i].x - pixel / 2 + pixel, geom[i].y - pixel / 2);
out.emplace_back(VT_LINETO, geom[i].x - pixel / 2 + pixel, geom[i].y - pixel / 2 + pixel);
out.emplace_back(VT_LINETO, geom[i].x - pixel / 2, geom[i].y - pixel / 2 + pixel);
out.emplace_back(VT_LINETO, geom[i].x - pixel / 2, geom[i].y - pixel / 2);
includes_dust = true;
*accum_area -= pixel * pixel;
@@ -298,7 +290,7 @@ drawvec reduce_tiny_poly(drawvec &geom, int z, int detail, bool *still_needs_sim
return out;
}
int quick_check(long long *bbox, int z, long long buffer) {
int quick_check(const long long *bbox, int z, long long buffer) {
long long min = 0;
long long area = 1LL << (32 - z);
@@ -456,7 +448,7 @@ static void douglas_peucker(drawvec &geom, int start, int n, double e, size_t ke
// If any line segment crosses a tile boundary, add a node there
// that cannot be simplified away, to prevent the edge of any
// feature from jumping abruptly at the tile boundary.
drawvec impose_tile_boundaries(drawvec &geom, long long extent) {
drawvec impose_tile_boundaries(const drawvec &geom, long long extent) {
drawvec out;
for (size_t i = 0; i < geom.size(); i++) {
@@ -471,11 +463,11 @@ drawvec impose_tile_boundaries(drawvec &geom, long long extent) {
if (c > 1) { // clipped
if (x1 != geom[i - 1].x || y1 != geom[i - 1].y) {
out.push_back(draw(VT_LINETO, x1, y1));
out.emplace_back(VT_LINETO, x1, y1);
out[out.size() - 1].necessary = 1;
}
if (x2 != geom[i - 0].x || y2 != geom[i - 0].y) {
out.push_back(draw(VT_LINETO, x2, y2));
out.emplace_back(VT_LINETO, x2, y2);
out[out.size() - 1].necessary = 1;
}
}
@@ -569,17 +561,17 @@ drawvec simplify_lines(drawvec &geom, int z, int tx, int ty, int detail, bool ma
}
}
drawvec out;
size_t out = 0;
for (size_t i = 0; i < geom.size(); i++) {
if (geom[i].necessary) {
out.push_back(geom[i]);
geom[out++] = geom[i];
}
}
return out;
geom.resize(out);
return geom;
}
drawvec reorder_lines(drawvec &geom) {
drawvec reorder_lines(const drawvec &geom) {
// Only reorder simple linestrings with a single moveto
if (geom.size() == 0) {
@@ -625,7 +617,7 @@ drawvec reorder_lines(drawvec &geom) {
return geom;
}
drawvec fix_polygon(drawvec &geom) {
drawvec fix_polygon(const drawvec &geom) {
int outer = 1;
drawvec out;