ExternalVendorCode/tippecanoe
1
0
Fork 0
mirror of https://github.com/mapbox/tippecanoe.git synced 2025-01-22 04:18:01 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Don't write out tiles that have no features.

Browse Source
This commit is contained in:
Eric Fischer 2015-09-30 11:56:22 -07:00
parent 18647d18dd
commit 3a94106283
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
tile-join.cc
View File

@ -95,6 +95,7 @@ void handle(std::string message, int z, unsigned x, unsigned y, struct pool **fi
// https://github.com/mapbox/mapnik-vector-tile/blob/master/examples/c%2B%2B/tileinfo.cpp
mapnik::vector::tile tile;
mapnik::vector::tile outtile;
int features_added = 0;
if (is_compressed(message)) {
std::string uncompressed;
@ -278,6 +279,8 @@ void handle(std::string message, int z, unsigned x, unsigned y, struct pool **fi
for (unsigned i = 0; i < feature_tags.size(); i++) {
outfeature->add_tags(feature_tags[i]);
}
features_added++;
}
}
@ -301,6 +304,10 @@ void handle(std::string message, int z, unsigned x, unsigned y, struct pool **fi
pool_free_strings(&values);
}
if (features_added == 0) {
return;
}
std::string s;
std::string compressed;