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Get closer to vector format

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This commit is contained in:
Eric Fischer
2014-09-15 17:33:54 -07:00
parent f54af30a40
commit 1dcfca9d51
1 changed files with 26 additions and 1 deletions
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geojson.c
+26 -1
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@@ -18,9 +18,12 @@
#define GEOM_MULTILINESTRING 3 /* array of arrays of arrays of positions */ #define GEOM_MULTILINESTRING 3 /* array of arrays of arrays of positions */
#define GEOM_POLYGON 4 /* array of arrays of arrays of positions */ #define GEOM_POLYGON 4 /* array of arrays of arrays of positions */
#define GEOM_MULTIPOLYGON 5 /* array of arrays of arrays of arrays of positions */ #define GEOM_MULTIPOLYGON 5 /* array of arrays of arrays of arrays of positions */
#define GEOM_TYPES 6 #define GEOM_TYPES 6
#define MB_GEOM_POINT 1
#define MB_GEOM_LINE 2
#define MB_GEOM_POLYGON 3
char *geometry_names[GEOM_TYPES] = { char *geometry_names[GEOM_TYPES] = {
"Point", "Point",
"MultiPoint", "MultiPoint",
@@ -39,6 +42,15 @@ int geometry_within[GEOM_TYPES] = {
GEOM_POLYGON, /* multipolygon */ GEOM_POLYGON, /* multipolygon */
}; };
int mb_geometry[GEOM_TYPES] = {
MB_GEOM_POINT,
MB_GEOM_POINT,
MB_GEOM_LINE,
MB_GEOM_LINE,
MB_GEOM_POLYGON,
MB_GEOM_POLYGON,
};
/* XXX */ /* XXX */
#define META_STRING JSON_STRING #define META_STRING JSON_STRING
#define META_INTEGER JSON_NUMBER #define META_INTEGER JSON_NUMBER
@@ -55,6 +67,14 @@ void parse_geometry(int t, json_object *j) {
printf("["); printf("[");
int i; int i;
for (i = 0; i < j->length; i++) { for (i = 0; i < j->length; i++) {
if (within == GEOM_POINT) {
if (i == 0) {
printf(" moveto ");
} else {
printf(" lineto ");
}
}
parse_geometry(within, j->array[i]); parse_geometry(within, j->array[i]);
} }
printf("]"); printf("]");
@@ -65,6 +85,10 @@ void parse_geometry(int t, json_object *j) {
fprintf(stderr, "malformed point"); fprintf(stderr, "malformed point");
} }
} }
if (t == GEOM_POLYGON) {
printf(" closepath ");
}
} }
void read_json(FILE *f) { void read_json(FILE *f) {
@@ -152,6 +176,7 @@ void read_json(FILE *f) {
} }
} }
printf("%d: ", mb_geometry[t]);
parse_geometry(t, coordinates); parse_geometry(t, coordinates);
printf("\n"); printf("\n");
} }