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Move feature type to index so point skipping can avoid looking up geometry

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Which should avoid having to page the geometry in if there is
more data than will fit in memory
This commit is contained in:
Eric Fischer
2014-11-05 12:18:03 -08:00
parent bc4527b25d
commit c24cfada61
3 changed files with 5 additions and 6 deletions
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geojson.c
+1 -1
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@@ -381,7 +381,6 @@ void read_json(FILE *f, char *fname, char *layername, int maxzoom, int minzoom,
unsigned bbox[] = { UINT_MAX, UINT_MAX, 0, 0 };
serialize_int(metafile, mb_geometry[t], &fpos, fname, jp);
parse_geometry(t, coordinates, bbox, &fpos, metafile, VT_MOVETO, fname, jp);
serialize_int(metafile, VT_END, &fpos, fname, jp);
@@ -467,6 +466,7 @@ void read_json(FILE *f, char *fname, char *layername, int maxzoom, int minzoom,
ix.index = encode(x << (32 - z), y << (32 - z));
}
ix.fpos = start;
ix.type = mb_geometry[t];
ix.maxzoom = z;
fwrite_check(&ix, sizeof(struct index), 1, indexfile, fname, jp);
}