diegoripley/tippecanoe
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Work in progress on being able to specify per-feature layer names

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This commit is contained in:
Eric Fischer
2016-08-23 15:33:53 -07:00
parent 85fd49f28c
commit f7e64dca5f
3 changed files with 98 additions and 63 deletions
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geojson.cpp
+27 -6
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@@ -21,6 +21,7 @@
#include <pthread.h>
#include <vector>
#include <set>
#include <map>
#include <string>
extern "C" {
@@ -166,7 +167,7 @@ long long parse_geometry(int t, json_object *j, long long *bbox, drawvec &out, i
return g;
}
int serialize_geometry(json_object *geometry, json_object *properties, json_object *id, const char *reading, int line, volatile long long *layer_seq, volatile long long *progress_seq, long long *metapos, long long *geompos, long long *indexpos, std::set<std::string> *exclude, std::set<std::string> *include, int exclude_all, FILE *metafile, FILE *geomfile, FILE *indexfile, struct memfile *poolfile, struct memfile *treefile, const char *fname, int basezoom, int layer, double droprate, long long *file_bbox, json_object *tippecanoe, int segment, int *initialized, unsigned *initial_x, unsigned *initial_y, struct reader *readers, std::set<type_and_string> *file_keys, int maxzoom, json_object *feature) {
int serialize_geometry(json_object *geometry, json_object *properties, json_object *id, const char *reading, int line, volatile long long *layer_seq, volatile long long *progress_seq, long long *metapos, long long *geompos, long long *indexpos, std::set<std::string> *exclude, std::set<std::string> *include, int exclude_all, FILE *metafile, FILE *geomfile, FILE *indexfile, struct memfile *poolfile, struct memfile *treefile, const char *fname, int basezoom, int layer, double droprate, long long *file_bbox, json_object *tippecanoe, int segment, int *initialized, unsigned *initial_x, unsigned *initial_y, struct reader *readers, std::set<type_and_string> *file_keys, int maxzoom, json_object *feature, std::map<std::string, int> *layermap) {
json_object *geometry_type = json_hash_get(geometry, "type");
if (geometry_type == NULL) {
static int warned = 0;
@@ -206,6 +207,7 @@ int serialize_geometry(json_object *geometry, json_object *properties, json_obje
int tippecanoe_minzoom = -1;
int tippecanoe_maxzoom = -1;
std::string tippecanoe_layername;
if (tippecanoe != NULL) {
json_object *min = json_hash_get(tippecanoe, "minzoom");
@@ -223,6 +225,11 @@ int serialize_geometry(json_object *geometry, json_object *properties, json_obje
if (max != NULL && max->type == JSON_STRING) {
tippecanoe_maxzoom = atoi(max->string);
}
json_object *ln = json_hash_get(tippecanoe, "layername");
if (ln != NULL && (max->type == JSON_STRING || max->type == JSON_NUMBER)) {
tippecanoe_layername = std::string(ln->string);
}
}
bool has_id = false;
@@ -364,6 +371,20 @@ int serialize_geometry(json_object *geometry, json_object *properties, json_obje
feature_minzoom = basezoom - floor(log(r) / -log(droprate));
}
if (tippecanoe_layername.size() != 0) {
if (layermap->count(tippecanoe_layername) == 0) {
layermap->insert(std::pair<std::string, int>(tippecanoe_layername, layermap->size()));
}
auto ai = layermap->find(tippecanoe_layername);
if (ai != layermap->end()) {
layer = ai->second;
} else {
fprintf(stderr, "Internal error: can't find layer name %s\n", tippecanoe_layername.c_str());
exit(EXIT_FAILURE);
}
}
long long geomstart = *geompos;
serial_feature sf;
@@ -450,7 +471,7 @@ void check_crs(json_object *j, const char *reading) {
}
}
void parse_json(json_pull *jp, const char *reading, volatile long long *layer_seq, volatile long long *progress_seq, long long *metapos, long long *geompos, long long *indexpos, std::set<std::string> *exclude, std::set<std::string> *include, int exclude_all, FILE *metafile, FILE *geomfile, FILE *indexfile, struct memfile *poolfile, struct memfile *treefile, char *fname, int basezoom, int layer, double droprate, long long *file_bbox, int segment, int *initialized, unsigned *initial_x, unsigned *initial_y, struct reader *readers, std::set<type_and_string> *file_keys, int maxzoom) {
void parse_json(json_pull *jp, const char *reading, volatile long long *layer_seq, volatile long long *progress_seq, long long *metapos, long long *geompos, long long *indexpos, std::set<std::string> *exclude, std::set<std::string> *include, int exclude_all, FILE *metafile, FILE *geomfile, FILE *indexfile, struct memfile *poolfile, struct memfile *treefile, char *fname, int basezoom, int layer, double droprate, long long *file_bbox, int segment, int *initialized, unsigned *initial_x, unsigned *initial_y, struct reader *readers, std::set<type_and_string> *file_keys, int maxzoom, std::map<std::string, int> *layermap) {
long long found_hashes = 0;
long long found_features = 0;
long long found_geometries = 0;
@@ -518,7 +539,7 @@ void parse_json(json_pull *jp, const char *reading, volatile long long *layer_se
}
found_geometries++;
serialize_geometry(j, NULL, NULL, reading, jp->line, layer_seq, progress_seq, metapos, geompos, indexpos, exclude, include, exclude_all, metafile, geomfile, indexfile, poolfile, treefile, fname, basezoom, layer, droprate, file_bbox, NULL, segment, initialized, initial_x, initial_y, readers, file_keys, maxzoom, j);
serialize_geometry(j, NULL, NULL, reading, jp->line, layer_seq, progress_seq, metapos, geompos, indexpos, exclude, include, exclude_all, metafile, geomfile, indexfile, poolfile, treefile, fname, basezoom, layer, droprate, file_bbox, NULL, segment, initialized, initial_x, initial_y, readers, file_keys, maxzoom, j, layermap);
json_free(j);
continue;
}
@@ -560,10 +581,10 @@ void parse_json(json_pull *jp, const char *reading, volatile long long *layer_se
if (geometries != NULL) {
size_t g;
for (g = 0; g < geometries->length; g++) {
serialize_geometry(geometries->array[g], properties, id, reading, jp->line, layer_seq, progress_seq, metapos, geompos, indexpos, exclude, include, exclude_all, metafile, geomfile, indexfile, poolfile, treefile, fname, basezoom, layer, droprate, file_bbox, tippecanoe, segment, initialized, initial_x, initial_y, readers, file_keys, maxzoom, j);
serialize_geometry(geometries->array[g], properties, id, reading, jp->line, layer_seq, progress_seq, metapos, geompos, indexpos, exclude, include, exclude_all, metafile, geomfile, indexfile, poolfile, treefile, fname, basezoom, layer, droprate, file_bbox, tippecanoe, segment, initialized, initial_x, initial_y, readers, file_keys, maxzoom, j, layermap);
}
} else {
serialize_geometry(geometry, properties, id, reading, jp->line, layer_seq, progress_seq, metapos, geompos, indexpos, exclude, include, exclude_all, metafile, geomfile, indexfile, poolfile, treefile, fname, basezoom, layer, droprate, file_bbox, tippecanoe, segment, initialized, initial_x, initial_y, readers, file_keys, maxzoom, j);
serialize_geometry(geometry, properties, id, reading, jp->line, layer_seq, progress_seq, metapos, geompos, indexpos, exclude, include, exclude_all, metafile, geomfile, indexfile, poolfile, treefile, fname, basezoom, layer, droprate, file_bbox, tippecanoe, segment, initialized, initial_x, initial_y, readers, file_keys, maxzoom, j, layermap);
}
json_free(j);
@@ -575,7 +596,7 @@ void parse_json(json_pull *jp, const char *reading, volatile long long *layer_se
void *run_parse_json(void *v) {
struct parse_json_args *pja = (struct parse_json_args *) v;
parse_json(pja->jp, pja->reading, pja->layer_seq, pja->progress_seq, pja->metapos, pja->geompos, pja->indexpos, pja->exclude, pja->include, pja->exclude_all, pja->metafile, pja->geomfile, pja->indexfile, pja->poolfile, pja->treefile, pja->fname, pja->basezoom, pja->layer, pja->droprate, pja->file_bbox, pja->segment, pja->initialized, pja->initial_x, pja->initial_y, pja->readers, pja->file_keys, pja->maxzoom);
parse_json(pja->jp, pja->reading, pja->layer_seq, pja->progress_seq, pja->metapos, pja->geompos, pja->indexpos, pja->exclude, pja->include, pja->exclude_all, pja->metafile, pja->geomfile, pja->indexfile, pja->poolfile, pja->treefile, pja->fname, pja->basezoom, pja->layer, pja->droprate, pja->file_bbox, pja->segment, pja->initialized, pja->initial_x, pja->initial_y, pja->readers, pja->file_keys, pja->maxzoom, pja->layermap);
return NULL;
}