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Track the minzoom and maxzoom for each layer separately

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This commit is contained in:
Eric Fischer 2016-09-19 17:53:31 -07:00
parent d7037f3d3a
commit 437152e02b
6 changed files with 20 additions and 4 deletions
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4
main.cpp
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@ -1729,6 +1729,10 @@ int read_input(std::vector<source> &sources, char *fname, const char *layername,
std::map<std::string, layermap_entry> merged_lm = merge_layermaps(layermaps);
for (auto ai = merged_lm.begin(); ai != merged_lm.end(); ++ai) {
ai->second.minzoom = minzoom;
ai->second.maxzoom = maxzoom;
}
mbtiles_write_metadata(outdb, fname, minzoom, maxzoom, minlat, minlon, maxlat, maxlon, midlat, midlon, forcetable, attribution, merged_lm);
return ret;

4
mbtiles.cpp
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@ -242,11 +242,11 @@ void mbtiles_write_metadata(sqlite3 *outdb, const char *fname, int minzoom, int
aprintf(&buf, ", ");
}
auto fk = layermap.find(lnames[i]);
aprintf(&buf, "{ \"id\": \"");
quote(&buf, lnames[i].c_str());
aprintf(&buf, "\", \"description\": \"\", \"minzoom\": %d, \"maxzoom\": %d, \"fields\": {", minzoom, maxzoom);
aprintf(&buf, "\", \"description\": \"\", \"minzoom\": %d, \"maxzoom\": %d, \"fields\": {", fk->second.minzoom, fk->second.maxzoom);
auto fk = layermap.find(lnames[i]);
std::set<type_and_string>::iterator j;
bool first = true;
for (j = fk->second.file_keys.begin(); j != fk->second.file_keys.end(); ++j) {

2
mbtiles.hpp
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@ -8,6 +8,8 @@ struct type_and_string {
struct layermap_entry {
size_t id;
std::set<type_and_string> file_keys;
int minzoom;
int maxzoom;
layermap_entry(size_t _id) {
id = _id;

2
tests/join-population/joined-i.mbtiles.json
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@ -3,7 +3,7 @@
"center": "-122.299805,37.892187,12",
"description": "tests/join-population/joined-i.mbtiles",
"format": "pbf",
"json": "{\"vector_layers\": [ { \"id\": \"tabblock_06001420\", \"description\": \"\", \"minzoom\": 0, \"maxzoom\": 12, \"fields\": {\"ALAND10\": \"Number\", \"AWATER10\": \"Number\", \"BLOCKCE10\": \"String\", \"COUNTYFP10\": \"String\", \"FUNCSTAT10\": \"String\", \"INTPTLAT10\": \"String\", \"INTPTLON10\": \"String\", \"MTFCC10\": \"String\", \"NAME10\": \"String\", \"STATEFP10\": \"String\", \"TRACTCE10\": \"String\", \"UACE10\": \"String\", \"UATYP10\": \"String\", \"UR10\": \"String\", \"population\": \"Number\"} } ] }",
"json": "{\"vector_layers\": [ { \"id\": \"tabblock_06001420\", \"description\": \"\", \"minzoom\": 3, \"maxzoom\": 12, \"fields\": {\"ALAND10\": \"Number\", \"AWATER10\": \"Number\", \"BLOCKCE10\": \"String\", \"COUNTYFP10\": \"String\", \"FUNCSTAT10\": \"String\", \"INTPTLAT10\": \"String\", \"INTPTLON10\": \"String\", \"MTFCC10\": \"String\", \"NAME10\": \"String\", \"STATEFP10\": \"String\", \"TRACTCE10\": \"String\", \"UACE10\": \"String\", \"UATYP10\": \"String\", \"UR10\": \"String\", \"population\": \"Number\"} } ] }",
"maxzoom": "12",
"minzoom": "0",
"name": "tests/join-population/joined-i.mbtiles",

2
tests/join-population/joined.mbtiles.json
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@ -3,7 +3,7 @@
"center": "-122.299805,37.892187,12",
"description": "tests/join-population/joined.mbtiles",
"format": "pbf",
"json": "{\"vector_layers\": [ { \"id\": \"tabblock_06001420\", \"description\": \"\", \"minzoom\": 0, \"maxzoom\": 12, \"fields\": {\"ALAND10\": \"Number\", \"AWATER10\": \"Number\", \"BLOCKCE10\": \"String\", \"COUNTYFP10\": \"String\", \"FUNCSTAT10\": \"String\", \"INTPTLAT10\": \"String\", \"INTPTLON10\": \"String\", \"MTFCC10\": \"String\", \"NAME10\": \"String\", \"STATEFP10\": \"String\", \"TRACTCE10\": \"String\", \"UACE10\": \"String\", \"UATYP10\": \"String\", \"UR10\": \"String\", \"population\": \"Number\"} } ] }",
"json": "{\"vector_layers\": [ { \"id\": \"tabblock_06001420\", \"description\": \"\", \"minzoom\": 3, \"maxzoom\": 12, \"fields\": {\"ALAND10\": \"Number\", \"AWATER10\": \"Number\", \"BLOCKCE10\": \"String\", \"COUNTYFP10\": \"String\", \"FUNCSTAT10\": \"String\", \"INTPTLAT10\": \"String\", \"INTPTLON10\": \"String\", \"MTFCC10\": \"String\", \"NAME10\": \"String\", \"STATEFP10\": \"String\", \"TRACTCE10\": \"String\", \"UACE10\": \"String\", \"UATYP10\": \"String\", \"UR10\": \"String\", \"population\": \"Number\"} } ] }",
"maxzoom": "12",
"minzoom": "0",
"name": "tests/join-population/joined.mbtiles",

10
tile-join.cpp
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@ -71,6 +71,9 @@ void handle(std::string message, int z, unsigned x, unsigned y, std::map<std::st
if (layermap.count(layer.name) == 0) {
layermap.insert(std::pair<std::string, layermap_entry>(layer.name, layermap_entry(layermap.size())));
auto file_keys = layermap.find(layer.name);
file_keys->second.minzoom = z;
file_keys->second.maxzoom = z;
}
auto file_keys = layermap.find(layer.name);
@ -184,6 +187,13 @@ void handle(std::string message, int z, unsigned x, unsigned y, std::map<std::st
features_added++;
outlayer.features.push_back(outfeature);
if (z < file_keys->second.minzoom) {
file_keys->second.minzoom = z;
}
if (z > file_keys->second.maxzoom) {
file_keys->second.maxzoom = z;
}
}
}
}