encode_mpoly()

static void encode_mpoly ( struct feature_builder *  feature, LWMPOLY *  lwmpoly  )

static

Definition at line 267 of file mvt.c.

{
        uint32_t i, j;
        int32_t px = 0, py = 0;
        size_t c = 0, offset = 0;
        LWPOLY *poly;
        feature->type = VECTOR_TILE__TILE__GEOM_TYPE__POLYGON;
        for (i = 0; i < lwmpoly->ngeoms; i++)
                for (j = 0; poly = lwmpoly->geoms[i], j < poly->nrings; j++)
                        c += 3 + ((poly->rings[j]->npoints - 1) * 2);
        feature->geometry = palloc(sizeof(*feature->geometry) * c);
        for (i = 0; i < lwmpoly->ngeoms; i++)
                for (j = 0; poly = lwmpoly->geoms[i], j < poly->nrings; j++)
                        offset += encode_ptarray(MVT_RING,
                                poly->rings[j], feature->geometry + offset,
                                &px, &py);
        feature->n_geometry = offset;
}

References encode_ptarray(), feature_builder::geometry, LWMPOLY::geoms, MVT_RING, feature_builder::n_geometry, LWMPOLY::ngeoms, POINTARRAY::npoints, LWPOLY::nrings, LWPOLY::rings, and feature_builder::type.

Referenced by encode_feature_geometry().

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