Ejemplo n.º 1
0
func (ww *WayWriter) loop() {
	geos := geos.NewGeos()
	geos.SetHandleSrid(ww.srid)
	defer geos.Finish()
	for w := range ww.ways {
		ww.progress.AddWays(1)
		if len(w.Tags) == 0 {
			continue
		}
		insertedAsRelation, err := ww.osmCache.InsertedWays.IsInserted(w.Id)
		if err != nil {
			log.Warn(err)
			continue
		}

		err = ww.osmCache.Coords.FillWay(w)
		if err != nil {
			continue
		}
		proj.NodesToMerc(w.Nodes)

		inserted := false
		if ok, matches := ww.inserter.ProbeLineString(w.OSMElem); ok {
			err := ww.buildAndInsert(geos, w, matches, false)
			if err != nil {
				if errl, ok := err.(ErrorLevel); !ok || errl.Level() > 0 {
					log.Warn(err)
				}
				continue
			}
			inserted = true
		}
		if w.IsClosed() && !insertedAsRelation {
			// only add polygons that were not inserted as a MultiPolygon relation
			if ok, matches := ww.inserter.ProbePolygon(w.OSMElem); ok {
				err := ww.buildAndInsert(geos, w, matches, true)
				if err != nil {
					if errl, ok := err.(ErrorLevel); !ok || errl.Level() > 0 {
						log.Warn(err)
					}
					continue
				}
				inserted = true
			}
		}

		if inserted && ww.expireor != nil {
			expire.ExpireNodes(ww.expireor, w.Nodes)
		}
		if ww.diffCache != nil {
			ww.diffCache.Coords.AddFromWay(w)
		}
	}
	ww.wg.Done()
}
Ejemplo n.º 2
0
func (d *Deleter) deleteWay(id int64, deleteRefs bool) error {
	d.deletedWays[id] = struct{}{}

	elem, err := d.osmCache.Ways.GetWay(id)
	if err != nil {
		if err == cache.NotFound {
			return nil
		}
		return err
	}
	if elem.Tags == nil {
		return nil
	}
	deleted := false
	if ok, matches := d.delDb.ProbePolygon(elem.OSMElem); ok {
		if err := d.delDb.Delete(elem.Id, matches); err != nil {
			return err
		}
		deleted = true
	}
	if ok, matches := d.delDb.ProbeLineString(elem.OSMElem); ok {
		if err := d.delDb.Delete(elem.Id, matches); err != nil {
			return err
		}
		deleted = true
	}
	if deleted && deleteRefs {
		for _, n := range elem.Refs {
			if err := d.diffCache.Coords.DeleteRef(n, id); err != nil {
				return err
			}
		}
	}
	if deleted && d.expireor != nil {
		err := d.osmCache.Coords.FillWay(elem)
		if err != nil {
			return err
		}
		expire.ExpireNodes(d.expireor, elem.Nodes)
	}
	return nil
}
Ejemplo n.º 3
0
func (rw *RelationWriter) loop() {
	geos := geos.NewGeos()
	geos.SetHandleSrid(rw.srid)
	defer geos.Finish()

NextRel:
	for r := range rw.rel {
		rw.progress.AddRelations(1)
		err := rw.osmCache.Ways.FillMembers(r.Members)
		if err != nil {
			if err != cache.NotFound {
				log.Warn(err)
			}
			continue NextRel
		}
		for _, m := range r.Members {
			if m.Way == nil {
				continue
			}
			err := rw.osmCache.Coords.FillWay(m.Way)
			if err != nil {
				if err != cache.NotFound {
					log.Warn(err)
				}
				continue NextRel
			}
			proj.NodesToMerc(m.Way.Nodes)
		}

		// BuildRelation updates r.Members but we need all of them
		// for the diffCache
		allMembers := r.Members

		// prepare relation first (build rings and compute actual
		// relation tags)
		prepedRel, err := geom.PrepareRelation(r, rw.srid)
		if err != nil {
			if errl, ok := err.(ErrorLevel); !ok || errl.Level() > 0 {
				log.Warn(err)
			}
			continue NextRel
		}

		// check for matches befor building the geometry
		ok, matches := rw.inserter.ProbePolygon(r.OSMElem)
		if !ok {
			continue NextRel
		}

		// build the multipolygon
		r, err = prepedRel.Build()
		if err != nil {
			if r.Geom != nil && r.Geom.Geom != nil {
				geos.Destroy(r.Geom.Geom)
			}
			if errl, ok := err.(ErrorLevel); !ok || errl.Level() > 0 {
				log.Warn(err)
			}
			continue NextRel
		}

		if rw.limiter != nil {
			start := time.Now()
			parts, err := rw.limiter.Clip(r.Geom.Geom)
			if err != nil {
				log.Warn(err)
				continue NextRel
			}
			if duration := time.Now().Sub(start); duration > time.Minute {
				log.Warnf("clipping relation %d to -limitto took %s", r.Id, duration)
			}
			for _, g := range parts {
				rel := element.Relation(*r)
				rel.Id = -r.Id
				rel.Geom = &element.Geometry{Geom: g, Wkb: geos.AsEwkbHex(g)}
				err := rw.inserter.InsertPolygon(rel.OSMElem, matches)
				if err != nil {
					if errl, ok := err.(ErrorLevel); !ok || errl.Level() > 0 {
						log.Warn(err)
					}
					continue
				}
			}
		} else {
			rel := element.Relation(*r)
			rel.Id = -r.Id
			err := rw.inserter.InsertPolygon(rel.OSMElem, matches)
			if err != nil {
				if errl, ok := err.(ErrorLevel); !ok || errl.Level() > 0 {
					log.Warn(err)
				}
				continue
			}
		}

		for _, m := range rw.inserter.SelectRelationPolygons(r.Tags, r.Members) {
			err = rw.osmCache.InsertedWays.PutWay(m.Way)
			if err != nil {
				log.Warn(err)
			}
		}
		if rw.diffCache != nil {
			rw.diffCache.Ways.AddFromMembers(r.Id, allMembers)
			for _, member := range allMembers {
				if member.Way != nil {
					rw.diffCache.Coords.AddFromWay(member.Way)
				}
			}
		}
		if rw.expireor != nil {
			for _, m := range allMembers {
				if m.Way != nil {
					expire.ExpireNodes(rw.expireor, m.Way.Nodes)
				}
			}
		}
		geos.Destroy(r.Geom.Geom)
	}
	rw.wg.Done()
}
Ejemplo n.º 4
0
func (d *Deleter) deleteRelation(id int64, deleteRefs bool, deleteMembers bool) error {
	d.deletedRelations[id] = struct{}{}

	elem, err := d.osmCache.Relations.GetRelation(id)
	if err != nil {
		if err == cache.NotFound {
			return nil
		}
		return err
	}
	if elem.Tags == nil {
		return nil
	}
	if ok, matches := d.delDb.ProbePolygon(elem.OSMElem); ok {
		if err := d.delDb.Delete(-elem.Id, matches); err != nil {
			return err
		}
	} else {
		// handle relations with tags from members by deleting
		// from all tables
		e := element.OSMElem(elem.OSMElem)
		e.Id = -e.Id
		if err := d.delDb.DeleteElem(e); err != nil {
			return err
		}
	}

	if deleteRefs {
		for _, m := range elem.Members {
			if m.Type == element.WAY {
				if err := d.diffCache.Ways.DeleteRef(m.Id, id); err != nil {
					return err
				}
			}
		}
	}

	if deleteMembers {
		// delete members from db and force reinsert of members
		// use case: relation is deleted and member now stands for its own
		for _, member := range elem.Members {
			if member.Type == element.WAY {
				d.deletedMembers[member.Id] = struct{}{}
				if _, ok := d.deletedWays[member.Id]; ok {
					continue
				}
				if err := d.deleteWay(member.Id, false); err != nil {
					return err
				}
			}
		}
	}

	if err := d.osmCache.InsertedWays.DeleteMembers(elem.Members); err != nil {
		return err
	}
	if d.expireor != nil {
		for _, m := range elem.Members {
			if m.Way == nil {
				continue
			}
			err := d.osmCache.Coords.FillWay(m.Way)
			if err != nil {
				continue
			}
			proj.NodesToMerc(m.Way.Nodes)
			expire.ExpireNodes(d.expireor, m.Way.Nodes)
		}
	}
	return nil
}