Make tile-join and tippecanoe-decode more flexible about directories:

* Accept .mvt as well as .pbf in directories of tiles
* Allow tippecanoe-decode and tile-join of directories with no metadata

CHANGELOG.md

@@ -1,3 +1,8 @@
+## 1.32.11
+
+* Accept .mvt as well as .pbf in directories of tiles
+* Allow tippecanoe-decode and tile-join of directories with no metadata
+
 ## 1.32.10
 
 * Fix a bug that disallowed a per-feature minzoom of 0

dirtiles.cpp

@@ -59,7 +59,7 @@ static bool pbfname(const char *s) {
 		s++;
 	}
 
-	return strcmp(s, ".pbf") == 0;
+	return strcmp(s, ".pbf") == 0 || strcmp(s, ".mvt") == 0;
 }
 
 void check_dir(const char *dir, char **argv, bool force, bool forcetable) {
@@ -134,7 +134,12 @@ std::vector<zxy> enumerate_dirtiles(const char *fname) {
 						while ((dp3 = readdir(d3)) != NULL) {
 							if (pbfname(dp3->d_name)) {
 								int ty = atoi(dp3->d_name);
-								tiles.push_back(zxy(tz, tx, ty));
+								zxy tile(tz, tx, ty);
+								if (strstr(dp3->d_name, ".mvt") != NULL) {
+									tile.extension = ".mvt";
+								}
+
+								tiles.push_back(tile);
 							}
 						}
 
@@ -172,11 +177,13 @@ sqlite3 *dirmeta2tmp(const char *fname) {
 	FILE *f = fopen(name.c_str(), "r");
 	if (f == NULL) {
 		perror(name.c_str());
-		exit(EXIT_FAILURE);
+	} else {
-	}
-
 		json_pull *jp = json_begin_file(f);
 		json_object *o = json_read_tree(jp);
+		if (o == NULL) {
+			fprintf(stderr, "%s: metadata parsing error: %s\n", name.c_str(), jp->error);
+			exit(EXIT_FAILURE);
+		}
 
 		if (o->type != JSON_HASH) {
 			fprintf(stderr, "%s: bad metadata format\n", name.c_str());
@@ -197,5 +204,7 @@ sqlite3 *dirmeta2tmp(const char *fname) {
 
 		json_end(jp);
 		fclose(f);
+	}
+
 	return db;
 }

dirtiles.hpp

@@ -1,5 +1,6 @@
 #include <string>
 #include <vector>
+#include <sys/stat.h>
 
 #ifndef DIRTILES_HPP
 #define DIRTILES_HPP
@@ -12,6 +13,7 @@ struct zxy {
 	long long z;
 	long long x;
 	long long y;
+	std::string extension = ".pbf";
 
 	zxy(int _z, int _x, int _y)
 	    : z(_z), x(_x), y(_y) {
@@ -36,7 +38,7 @@ struct zxy {
 	}
 
 	std::string path() {
-		return std::to_string(z) + "/" + std::to_string(x) + "/" + std::to_string(y) + ".pbf";
+		return std::to_string(z) + "/" + std::to_string(x) + "/" + std::to_string(y) + extension;
 	}
 };
 

tile-join.cpp

@@ -1092,6 +1092,15 @@ int main(int argc, char **argv) {
 		name = set_name;
 	}
 
+	for (auto &l : layermap) {
+		if (l.second.minzoom < st.minzoom) {
+			st.minzoom = l.second.minzoom;
+		}
+		if (l.second.maxzoom > st.maxzoom) {
+			st.maxzoom = l.second.maxzoom;
+		}
+	}
+
 	mbtiles_write_metadata(outdb, out_dir, name.c_str(), st.minzoom, st.maxzoom, st.minlat, st.minlon, st.maxlat, st.maxlon, st.midlat, st.midlon, 0, attribution.size() != 0 ? attribution.c_str() : NULL, layermap, true, description.c_str(), !pg, attribute_descriptions, "tile-join");
 
 	if (outdb != NULL) {

version.hpp

@@ -1,6 +1,6 @@
 #ifndef VERSION_HPP
 #define VERSION_HPP
 
-#define VERSION "v1.32.10"
+#define VERSION "v1.32.11"
 
 #endif