/*!
\brief Rewrites feature at the given offset (level 1)
\param Map pointer to Map_info structure
\param offset feature offset
\param type feature type
\param points feature geometry
\param cats feature categories
\return feature offset (rewriten feature)
\return -1 on error
*/
off_t V1_rewrite_line_ogr(struct Map_info *Map,
int line,
int type,
off_t offset,
const struct line_pnts *points, const struct line_cats *cats)
{
if (type != V1_read_line_ogr(Map, NULL, NULL, offset)) {
G_warning(_("Unable to rewrite feature (incompatible feature types)"));
return -1;
}
/* delete old */
V1_delete_line_ogr(Map, offset);
return V1_write_line_ogr(Map, type, points, cats);
}
/*!
\brief Writes feature on level 2
\param Map pointer to Map_info structure
\param type feature type
\param points pointer to line_pnts structure (feature geometry)
\param cats pointer to line_cats structure (feature categories)
\return feature offset into file
\return -1 on error
*/
off_t V2_write_line_ogr(struct Map_info *Map, int type,
const struct line_pnts *points, const struct line_cats *cats)
{
int line;
off_t offset;
struct Plus_head *plus;
struct bound_box box;
line = 0;
G_debug(3, "V2_write_line_ogr()");
offset = V1_write_line_ogr(Map, type, points, cats);
if (offset < 0)
return -1;
/* Update topology */
plus = &(Map->plus);
/* Add line */
if (plus->built >= GV_BUILD_BASE) {
dig_line_box(points, &box);
line = dig_add_line(plus, type, points, &box, offset);
G_debug(3, " line added to topo with id = %d", line);
if (line == 1)
Vect_box_copy(&(plus->box), &box);
else
Vect_box_extend(&(plus->box), &box);
V2__add_line_to_topo_ogr(Map, line, points, cats);
}
G_debug(3, "updated lines : %d , updated nodes : %d", plus->n_uplines,
plus->n_upnodes);
/* returns int line, but is defined as off_t for compatibility with
* Write_line_array in write.c */
return line;
}
/*!
\brief Rewrites feature at the given offset on level 1 (OGR interface)
This function simply calls V1_delete_line_ogr() and V1_write_line_ogr().
\param Map pointer to Map_info structure
\param offset feature offset
\param type feature type (see V1_write_line_ogr() for supported types)
\param points pointer to line_pnts structure (feature geometry)
\param cats pointer to line_cats structure (feature categories)
\return feature offset (rewriten feature)
\return -1 on error
*/
off_t V1_rewrite_line_ogr(struct Map_info *Map,
int line, int type, off_t offset,
const struct line_pnts *points, const struct line_cats *cats)
{
G_debug(3, "V1_rewrite_line_ogr(): line=%d type=%d offset=%"PRI_OFF_T,
line, type, offset);
#ifdef HAVE_OGR
if (type != V1_read_line_ogr(Map, NULL, NULL, offset)) {
G_warning(_("Unable to rewrite feature (incompatible feature types)"));
return -1;
}
/* delete old */
V1_delete_line_ogr(Map, offset);
return V1_write_line_ogr(Map, type, points, cats);
#else
G_fatal_error(_("GRASS is not compiled with OGR support"));
return -1;
#endif
}
