ExternalVendorCode/tippecanoe
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Merge branch 'master' into topdown

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This commit is contained in:
Eric Fischer 2014-12-12 11:36:20 -08:00
commit 34a6422c42
2 changed files with 31 additions and 4 deletions
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7
README.md
View File

@ -3,6 +3,13 @@ tippecanoe
Build vector tilesets from large collections of GeoJSON features.
Installation
------------
The easiest way to install tippecanoe on OSX is with [Homebrew](http://brew.sh/):
brew install tippecanoe
Usage
-----

28
geojson.c
View File

@ -143,12 +143,21 @@ void parse_geometry(int t, json_object *j, unsigned *bbox, long long *fpos, FILE
parse_geometry(within, j->array[i], bbox, fpos, out, op, fname, source);
}
} else {
if (j->length == 2 && j->array[0]->type == JSON_NUMBER && j->array[1]->type == JSON_NUMBER) {
if (j->length >= 2 && j->array[0]->type == JSON_NUMBER && j->array[1]->type == JSON_NUMBER) {
unsigned x, y;
double lon = j->array[0]->number;
double lat = j->array[1]->number;
latlon2tile(lat, lon, 32, &x, &y);
if (j->length > 2) {
static int warned = 0;
if (!warned) {
fprintf(stderr, "%s:%d: ignoring dimensions beyond two\n", fname, source->line);
warned = 1;
}
}
if (bbox != NULL) {
if (x < bbox[0]) {
bbox[0] = x;
@ -168,7 +177,7 @@ void parse_geometry(int t, json_object *j, unsigned *bbox, long long *fpos, FILE
serialize_uint(out, x, fpos, fname, source);
serialize_uint(out, y, fpos, fname, source);
} else {
fprintf(stderr, "%s:%d: malformed point", fname, source->line);
fprintf(stderr, "%s:%d: malformed point\n", fname, source->line);
}
}
@ -426,8 +435,19 @@ void read_json(FILE *f, const char *fname, const char *layername, int maxzoom, i
}
json_object *geometry_type = json_hash_get(geometry, "type");
if (geometry_type == NULL || geometry_type->type != JSON_STRING) {
fprintf(stderr, "%s:%d: geometry without type string\n", fname, jp->line);
if (geometry_type == NULL) {
static int warned = 0;
if (!warned) {
fprintf(stderr, "%s:%d: null geometry (additional not reported)\n", fname, jp->line);
warned = 1;
}
json_free(j);
continue;
}
if (geometry_type->type != JSON_STRING) {
fprintf(stderr, "%s:%d: geometry without type\n", fname, jp->line);
json_free(j);
continue;
}