示例#1
0
func (nw *NodeWriter) loop() {
	geos := geos.NewGeos()
	geos.SetHandleSrid(nw.srid)
	defer geos.Finish()

	for n := range nw.nodes {
		nw.progress.AddNodes(1)
		if matches := nw.pointMatcher.MatchNode(n); len(matches) > 0 {
			nw.NodeToSrid(n)
			if nw.expireor != nil {
				nw.expireor.Expire(n.Long, n.Lat)
			}
			point, err := geom.Point(geos, *n)
			if err != nil {
				if errl, ok := err.(ErrorLevel); !ok || errl.Level() > 0 {
					log.Warn(err)
				}
				continue
			}

			n.Geom, err = geom.AsGeomElement(geos, point)
			if err != nil {
				log.Warn(err)
				continue
			}

			if nw.limiter != nil {
				parts, err := nw.limiter.Clip(n.Geom.Geom)
				if err != nil {
					log.Warn(err)
					continue
				}
				if len(parts) >= 1 {
					if err := nw.inserter.InsertPoint(n.OSMElem, matches); err != nil {
						log.Warn(err)
						continue
					}
				}
			} else {
				if err := nw.inserter.InsertPoint(n.OSMElem, matches); err != nil {
					log.Warn(err)
					continue
				}
			}

		}
	}
	nw.wg.Done()
}
示例#2
0
func TestComplete_UpdatedLandusage(t *testing.T) {
	// Multipolygon relation was modified

	nd := element.Node{Long: 13.4, Lat: 47.5}
	proj.NodeToMerc(&nd)
	point, err := geom.Point(ts.g, nd)
	if err != nil {
		t.Fatal(err)
	}
	poly := ts.queryGeom(t, "osm_landusages", -1001)
	// point not in polygon after update
	if ts.g.Intersects(point, poly) {
		t.Error("point intersects polygon")
	}
}
示例#3
0
func handleRelationMembers(rw *RelationWriter, r *element.Relation, geos *geosp.Geos) bool {
	relMemberMatches := rw.relationMemberMatcher.MatchRelation(r)
	if relMemberMatches == nil {
		return false
	}
	for i, m := range r.Members {
		if m.Type == element.RELATION {
			mrel, err := rw.osmCache.Relations.GetRelation(m.Id)
			if err != nil {
				if err != cache.NotFound {
					log.Warn(err)
				}
				return false
			}
			r.Members[i].Elem = &mrel.OSMElem
		} else if m.Type == element.NODE {
			nd, err := rw.osmCache.Nodes.GetNode(m.Id)
			if err != nil {
				if err == cache.NotFound {
					nd, err = rw.osmCache.Coords.GetCoord(m.Id)
					if err != nil {
						if err != cache.NotFound {
							log.Warn(err)
						}
						return false
					}
				} else {
					log.Warn(err)
					return false
				}
			}
			rw.NodeToSrid(nd)
			r.Members[i].Node = nd
			r.Members[i].Elem = &nd.OSMElem
		}
	}

	for _, m := range r.Members {
		var g *geosp.Geom
		var err error
		if m.Node != nil {
			g, err = geomp.Point(geos, *m.Node)
		} else if m.Way != nil {
			g, err = geomp.LineString(geos, m.Way.Nodes)
		}

		if err != nil {
			log.Warn(err)
			return false
		}

		var gelem geomp.Geometry
		if g == nil {
			g = geos.FromWkt("POLYGON EMPTY")
			gelem = geomp.Geometry{Geom: g, Wkb: geos.AsEwkbHex(g)}
		} else {
			gelem, err = geomp.AsGeomElement(geos, g)
			if err != nil {
				log.Warn(err)
				return false
			}
		}
		rel := element.Relation(*r)
		rel.Id = rw.relId(r.Id)
		rw.inserter.InsertRelationMember(rel, m, gelem, relMemberMatches)
	}
	return true
}