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Track how many features of each type are in each layer

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This commit is contained in:
Eric Fischer 2017-07-14 17:23:41 -07:00
parent 65c095cc2b
commit 62ee53992b
3 changed files with 30 additions and 2 deletions
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19
geojson.cpp
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@ -295,10 +295,29 @@ int serialize_geometry(json_object *geometry, json_object *properties, json_obje
if (ai != layermap->end()) {
layer = ai->second.id;
layername = tippecanoe_layername;
if (mb_geometry[t] == VT_POINT) {
ai->second.points++;
} else if (mb_geometry[t] == VT_LINE) {
ai->second.lines++;
} else if (mb_geometry[t] == VT_POLYGON) {
ai->second.polygons++;
}
} else {
fprintf(stderr, "Internal error: can't find layer name %s\n", tippecanoe_layername.c_str());
exit(EXIT_FAILURE);
}
} else {
auto fk = layermap->find(layername);
if (fk != layermap->end()) {
if (mb_geometry[t] == VT_POINT) {
fk->second.points++;
} else if (mb_geometry[t] == VT_LINE) {
fk->second.lines++;
} else if (mb_geometry[t] == VT_POLYGON) {
fk->second.polygons++;
}
}
}
size_t nprop = 0;

6
mbtiles.cpp
View File

@ -378,6 +378,12 @@ std::map<std::string, layermap_entry> merge_layermaps(std::vector<std::map<std::
if (map->second.maxzoom > out_entry->second.maxzoom) {
out_entry->second.maxzoom = map->second.maxzoom;
}
out_entry->second.points += map->second.points;
out_entry->second.lines += map->second.lines;
out_entry->second.polygons += map->second.polygons;
printf("%zu %zu %zu\n", out_entry->second.points, out_entry->second.lines, out_entry->second.polygons);
}
}

7
mbtiles.hpp
View File

@ -9,7 +9,7 @@ struct type_and_string {
std::string string;
size_t attribute_count = 0;
std::vector<mvt_value> sample_values;
std::set<mvt_value> sample_values;
double min = INFINITY;
double max = -INFINITY;
@ -21,7 +21,10 @@ struct layermap_entry {
std::set<type_and_string> file_keys;
int minzoom;
int maxzoom;
size_t feature_count = 0;
size_t points = 0;
size_t lines = 0;
size_t polygons = 0;
layermap_entry(size_t _id) {
id = _id;