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()
}
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
}
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()
}
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
}