diegoripley/tippecanoe
1
0
Fork 0
mirror of https://github.com/felt/tippecanoe.git synced 2026-10-03 08:55:41 +02:00
Code Issues Packages Projects Releases Wiki Activity

Look up the attribute value for ordering

Browse Source
This commit is contained in:
Erica Fischer
2023-12-18 13:05:15 -08:00
parent 6f3256f5af
commit 56bc73e49a
3 changed files with 25 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files
clip.cpp
+18 -12
View File
@@ -755,7 +755,7 @@ static std::vector<std::pair<double, double>> clip_poly1(std::vector<std::pair<d
std::string overzoom(std::string s, int oz, int ox, int oy, int nz, int nx, int ny,
int detail, int buffer, std::set<std::string> const &keep, bool do_compress,
std::vector<std::pair<unsigned, unsigned>> *next_overzoomed_tiles,
size_t multiplier, std::string const &filter) {
size_t multiplier, std::string const &order_by) {
mvt_tile tile;
try {
@@ -769,7 +769,7 @@ std::string overzoom(std::string s, int oz, int ox, int oy, int nz, int nx, int
exit(EXIT_PROTOBUF);
}
return overzoom(tile, oz, ox, oy, nz, nx, ny, detail, buffer, keep, do_compress, next_overzoomed_tiles, multiplier, filter);
return overzoom(tile, oz, ox, oy, nz, nx, ny, detail, buffer, keep, do_compress, next_overzoomed_tiles, multiplier, order_by);
}
struct tile_feature {
@@ -781,6 +781,12 @@ struct tile_feature {
mvt_layer const *layer;
mvt_value value(std::string const &attr) const {
for (size_t i = 0; i + 1 < tags.size(); i += 2) {
if (layer->keys[tags[i]] == attr) {
return layer->values[tags[i + 1]];
}
}
mvt_value v;
v.type = mvt_null;
return v;
@@ -798,12 +804,12 @@ struct sorter {
mvt_value av = a.value(attr);
mvt_value bv = b.value(attr);
av = av.promote_for_comparison_with(bv);
bv = bv.promote_for_comparison_with(av);
if (av.type != bv.type) {
fprintf(stderr, "Sorter: can't happen\n");
exit(EXIT_IMPOSSIBLE);
}
av = av.promote_for_comparison_with(bv);
bv = bv.promote_for_comparison_with(av);
if (av.type != bv.type) {
fprintf(stderr, "Sorter: can't happen\n");
exit(EXIT_IMPOSSIBLE);
}
return av < bv;
}
@@ -839,7 +845,7 @@ void feature_out(tile_feature const &feature, mvt_layer &outlayer, std::set<std:
std::string overzoom(mvt_tile tile, int oz, int ox, int oy, int nz, int nx, int ny,
int detail, int buffer, std::set<std::string> const &keep, bool do_compress,
std::vector<std::pair<unsigned, unsigned>> *next_overzoomed_tiles,
size_t multiplier, std::string const &filter) {
size_t multiplier, std::string const &order_by) {
mvt_tile outtile;
for (auto const &layer : tile.layers) {
@@ -940,14 +946,14 @@ std::string overzoom(mvt_tile tile, int oz, int ox, int oy, int nz, int nx, int
tile_features.push_back(tf);
if (tile_features.size() >= multiplier) {
std::sort(tile_features.begin(), tile_features.end(), sorter(filter));
std::sort(tile_features.begin(), tile_features.end(), sorter(order_by));
feature_out(tile_features[0], outlayer, keep);
tile_features.clear();
}
}
if (tile_features.size() > 0) {
std::sort(tile_features.begin(), tile_features.end(), sorter(filter));
std::sort(tile_features.begin(), tile_features.end(), sorter(order_by));
feature_out(tile_features[0], outlayer, keep);
tile_features.clear();
}
@@ -971,7 +977,7 @@ std::string overzoom(mvt_tile tile, int oz, int ox, int oy, int nz, int nx, int
std::string child = overzoom(outtile, nz, nx, ny,
nz + 1, nx * 2 + x, ny * 2 + y,
detail, buffer, keep, false, NULL,
multiplier, filter);
multiplier, order_by);
if (child.size() > 0) {
next_overzoomed_tiles->emplace_back(nx * 2 + x, ny * 2 + y);
}