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The GeoJSON-producing part of prefiltering

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This commit is contained in:
Eric Fischer
2016-12-08 15:13:38 -08:00
parent e3823c966c
commit d1dc310bbc
8 changed files with 65 additions and 22 deletions
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write_json.cpp
+7 -1
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@@ -24,7 +24,7 @@ struct lonlat {
}
};
void layer_to_geojson(FILE *fp, mvt_layer &layer, unsigned z, unsigned x, unsigned y, bool comma) {
void layer_to_geojson(FILE *fp, mvt_layer &layer, unsigned z, unsigned x, unsigned y, bool comma, bool name) {
for (size_t f = 0; f < layer.features.size(); f++) {
mvt_feature &feat = layer.features[f];
@@ -38,6 +38,12 @@ void layer_to_geojson(FILE *fp, mvt_layer &layer, unsigned z, unsigned x, unsign
fprintf(fp, ", \"id\": %llu", feat.id);
}
if (name) {
fprintf(fp, ", \"tippecanoe\": { \"layer\": ");
fprintq(fp, layer.name.c_str());
fprintf(fp, " }");
}
fprintf(fp, ", \"properties\": { ");
for (size_t t = 0; t + 1 < feat.tags.size(); t += 2) {