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Switch other calls to Wagyu over. But now coalesce is slow.

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This commit is contained in:
Erica Fischer
2023-11-14 18:39:09 -08:00
parent 33052aa60b
commit ef271ad0bb
15 changed files with 422 additions and 412 deletions
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plugin.cpp
+12 -5
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@@ -25,6 +25,7 @@
#include "geometry.hpp"
#include "serial.hpp"
#include "errors.hpp"
#include "polygon.hpp"
extern "C" {
#include "jsonpull/jsonpull.h"
@@ -194,16 +195,22 @@ std::vector<mvt_layer> parse_layers(int fd, int z, unsigned x, unsigned y, std::
dv = fix_polygon(dv);
}
// Scale and offset geometry from global to tile
// Offset geometry from global to tile
for (size_t i = 0; i < dv.size(); i++) {
long long scale = 1LL << (32 - z);
dv[i].x = std::round((dv[i].x - scale * x) * extent / (double) scale);
dv[i].y = std::round((dv[i].y - scale * y) * extent / (double) scale);
dv[i].x = dv[i].x - scale * x;
dv[i].y = dv[i].y - scale * y;
}
// Scale to tile extent
int detail = std::round(log(extent) / log(2));
if (t == VT_POLYGON) {
dv = scale_polygon(dv, z, detail);
} else {
to_tile_scale(dv, z, detail);
}
if (mb_geometry[t] == VT_POLYGON) {
// we can try scaling up because these are tile coordinates
dv = clean_or_clip_poly(dv, 0, 0, false, true);
dv = clean_polygon(dv, extent); // tile coordinates
if (dv.size() < 3) {
dv.clear();
}