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Derive tilejson attribute types from sample attribute values

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This commit is contained in:
Eric Fischer
2017-07-17 17:31:46 -07:00
parent 77bf14bfb0
commit 71f57793fd
6 changed files with 60 additions and 30 deletions
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main.cpp
+17 -9
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@@ -1176,8 +1176,10 @@ int read_input(std::vector<source> &sources, char *fname, int &maxzoom, int minz
std::map<std::string, layermap_entry> layermap;
for (size_t l = 0; l < nlayers; l++) {
layermap.insert(std::pair<std::string, layermap_entry>(sources[l].layer, layermap_entry(l)));
layermap_entry e = layermap_entry(l);
layermap.insert(std::pair<std::string, layermap_entry>(sources[l].layer, e));
}
std::vector<std::map<std::string, layermap_entry> > layermaps;
for (size_t l = 0; l < CPUS; l++) {
layermaps.push_back(layermap);
@@ -1962,18 +1964,24 @@ int read_input(std::vector<source> &sources, char *fname, int &maxzoom, int minz
}
std::map<std::string, layermap_entry> merged_lm = merge_layermaps(layermaps);
if (additional[A_CALCULATE_FEATURE_DENSITY]) {
for (auto ai = merged_lm.begin(); ai != merged_lm.end(); ++ai) {
type_and_string tas;
tas.type = mvt_double;
tas.string = "tippecanoe_feature_density";
ai->second.file_keys.insert(std::pair<type_and_string, type_and_string_stats>(tas, type_and_string_stats()));
}
}
for (auto ai = merged_lm.begin(); ai != merged_lm.end(); ++ai) {
ai->second.minzoom = minzoom;
ai->second.maxzoom = maxzoom;
if (additional[A_CALCULATE_FEATURE_DENSITY]) {
type_and_string_stats tss;
for (size_t i = 0; i < 256; i++) {
type_and_string tas;
tas.type = mvt_double;
tas.string = std::to_string(i);
tss.sample_values.insert(tas);
}
ai->second.file_keys.insert(std::pair<std::string, type_and_string_stats>("tippecanoe_feature_density", tss));
}
}
mbtiles_write_metadata(outdb, outdir, fname, minzoom, maxzoom, minlat, minlon, maxlat, maxlon, midlat, midlon, forcetable, attribution, merged_lm, true, description);