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Add an option to exclude specified properties

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This commit is contained in:
Eric Fischer 2014-09-29 10:49:08 -07:00
parent ca6c491c6f
commit 5ab7f89465
2 changed files with 47 additions and 6 deletions
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3
README.md
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@ -24,13 +24,14 @@ Options
* -Z Lowest zoom level (default 0)
* -d Detail at base zoom level (default 12, for tile resolution of 4096)
* -D Detail at lower zoom levels (default 10, for tile resolution of 1024)
* -x property (removes the named properties from all features)
Example
-------
tippecanoe -o alameda.mbtiles -l alameda -n "Alameda County from TIGER" -z13 tl_2014_06001_roads.json
cat tiger/tl_2014_*_roads.json | tippecanoe -o tiger.mbtiles -l roads -n "All TIGER roads, one zoom" -z12 -Z12 -d14
cat tiger/tl_2014_*_roads.json | tippecanoe -o tiger.mbtiles -l roads -n "All TIGER roads, one zoom" -z12 -Z12 -d14 -x LINEARID -x RTTYP
Geometric simplifications
-------------------------

50
geojson.c
View File

@ -171,6 +171,29 @@ struct pool_val *pool1(struct pool *p, char *s, int type, int (*compare)(const c
return *v;
}
int is_pooled(struct pool *p, char *s, int type) {
struct pool_val **v = &(p->vals);
while (*v != NULL) {
int cmp = strcmp(s, (*v)->s);
if (cmp == 0) {
cmp = type - (*v)->type;
}
if (cmp == 0) {
return 1;
} else if (cmp < 0) {
v = &((*v)->left);
} else {
v = &((*v)->right);
}
}
return 0;
}
struct pool_val *pool(struct pool *p, char *s, int type) {
return pool1(p, s, type, strcmp);
}
@ -412,7 +435,7 @@ void aprintf(char **buf, const char *format, ...) {
free(tmp);
}
void read_json(FILE *f, char *fname, char *layername, int maxzoom, int minzoom, sqlite3 *outdb) {
void read_json(FILE *f, char *fname, char *layername, int maxzoom, int minzoom, sqlite3 *outdb, struct pool *exclude) {
char metaname[] = "/tmp/meta.XXXXXXXX";
char indexname[] = "/tmp/index.XXXXXXXX";
@ -500,6 +523,10 @@ void read_json(FILE *f, char *fname, char *layername, int maxzoom, int minzoom,
int i;
for (i = 0; i < properties->length; i++) {
if (properties->keys[i]->type == JSON_STRING) {
if (is_pooled(exclude, properties->keys[i]->string, VT_STRING)) {
continue;
}
metakey[m] = properties->keys[i]->string;
if (properties->values[i] != NULL && properties->values[i]->type == JSON_STRING) {
@ -762,7 +789,13 @@ int main(int argc, char **argv) {
int maxzoom = 14;
int minzoom = 0;
while ((i = getopt(argc, argv, "l:n:z:Z:d:D:o:")) != -1) {
struct pool exclude;
exclude.n = 0;
exclude.vals = NULL;
exclude.head = NULL;
exclude.tail = NULL;
while ((i = getopt(argc, argv, "l:n:z:Z:d:D:o:x:")) != -1) {
switch (i) {
case 'n':
name = optarg;
@ -792,8 +825,15 @@ int main(int argc, char **argv) {
outdir = optarg;
break;
case 'x':
{
struct pool_val *pv = pool(&exclude, optarg, VT_STRING);
pv->n = 1;
}
break;
default:
fprintf(stderr, "Usage: %s -o out.mbtiles [-n name] [-l layername] [-z maxzoom] [-Z minzoom] [-d detail] [-D lower-detail] [file.json]\n", argv[0]);
fprintf(stderr, "Usage: %s -o out.mbtiles [-n name] [-l layername] [-z maxzoom] [-Z minzoom] [-d detail] [-D lower-detail] [-x excluded-field ...] [file.json]\n", argv[0]);
exit(EXIT_FAILURE);
}
}
@ -846,7 +886,7 @@ int main(int argc, char **argv) {
if (f == NULL) {
fprintf(stderr, "%s: %s: %s\n", argv[0], argv[i], strerror(errno));
} else {
read_json(f, name ? name : argv[i], layer, maxzoom, minzoom, outdb);
read_json(f, name ? name : argv[i], layer, maxzoom, minzoom, outdb, &exclude);
fclose(f);
}
}
@ -854,7 +894,7 @@ int main(int argc, char **argv) {
fprintf(stderr, "%s: Only accepts one input file\n", argv[0]);
exit(EXIT_FAILURE);
} else {
read_json(stdin, name ? name : "standard input", layer, maxzoom, minzoom, outdb);
read_json(stdin, name ? name : "standard input", layer, maxzoom, minzoom, outdb, &exclude);
}
if (sqlite3_exec(outdb, "ANALYZE;", NULL, NULL, &err) != SQLITE_OK) {