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Identify the start and end of each tile

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This commit is contained in:
Eric Fischer 2014-09-22 11:22:23 -07:00
parent 95ff8de6d9
commit 94ef6afc17
1 changed files with 30 additions and 15 deletions
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45
geojson.c
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@ -265,23 +265,10 @@ void range_search(struct index *ix, long long n, unsigned long long start, unsig
} }
} }
void check(struct index *ix, long long n, char *metabase, unsigned *file_bbox) { void check_range(struct index *start, struct index *end, char *metabase, unsigned *file_bbox) {
fprintf(stderr, "\n");
unsigned long long oindex = 0;
struct index *i; struct index *i;
for (i = ix; i < ix + n; i++) {
if (i->index != oindex) {
printf("-----------------------------------\n");
int z = 14;
unsigned wx, wy;
decode(i->index, &wx, &wy);
printf("%d/%u/%u %x %x\n", z, wx >> (32 - z), wy >> (32 - z), wx, wy);
oindex = i->index;
}
for (i = start; i < end; i++) {
printf("%llx ", i->index); printf("%llx ", i->index);
char *meta = metabase + i->fpos; char *meta = metabase + i->fpos;
@ -328,6 +315,34 @@ void check(struct index *ix, long long n, char *metabase, unsigned *file_bbox) {
} }
} }
void check(struct index *ix, long long n, char *metabase, unsigned *file_bbox) {
fprintf(stderr, "\n");
int z;
for (z = 11; z >= 11; z--) {
struct index *i, *j = NULL;
for (i = ix; i < ix + n && i != NULL; i = j) {
unsigned wx, wy;
decode(i->index, &wx, &wy);
printf("%lld in %lld\n", (long long)(i - ix), (long long)n);
for (j = i + 1; j < ix + n; j++) {
unsigned wx2, wy2;
decode(j->index, &wx2, &wy2);
if (wx2 >> (32 - z) != wx >> (32 - z) || wy2 >> (32 - z) != wy >> (32 - z)) {
break;
}
}
printf("%d/%u/%u %x %x %lld to %lld\n", z, wx >> (32 - z), wy >> (32 - z), wx, wy, (long long)(i - ix), (long long)(j - ix));
check_range(i, j, metabase, file_bbox);
}
}
}
void read_json(FILE *f) { void read_json(FILE *f) {
char metaname[] = "/tmp/meta.XXXXXXXX"; char metaname[] = "/tmp/meta.XXXXXXXX";
char indexname[] = "/tmp/index.XXXXXXXX"; char indexname[] = "/tmp/index.XXXXXXXX";