func AsGeomElement(g *geos.Geos, geom *geos.Geom) (*element.Geometry, error) {
wkb := g.AsEwkbHex(geom)
if wkb == nil {
return nil, errors.New("could not create wkb")
}
return &element.Geometry{
Wkb: wkb,
Geom: geom,
}, nil
}
func (ww *WayWriter) buildAndInsert(g *geos.Geos, w *element.Way, matches interface{}, isPolygon bool) error {
var err error
var geosgeom *geos.Geom
// make copy to avoid interference with polygon/linestring matches
way := element.Way(*w)
if isPolygon {
geosgeom, err = geom.Polygon(g, way.Nodes)
} else {
geosgeom, err = geom.LineString(g, way.Nodes)
}
if err != nil {
return err
}
way.Geom, err = geom.AsGeomElement(g, geosgeom)
if err != nil {
return err
}
if ww.limiter != nil {
parts, err := ww.limiter.Clip(way.Geom.Geom)
if err != nil {
return err
}
for _, p := range parts {
way := element.Way(*w)
way.Geom = &element.Geometry{Geom: p, Wkb: g.AsEwkbHex(p)}
if isPolygon {
if err := ww.inserter.InsertPolygon(way.OSMElem, matches); err != nil {
return err
}
} else {
if err := ww.inserter.InsertLineString(way.OSMElem, matches); err != nil {
return err
}
}
}
} else {
if isPolygon {
if err := ww.inserter.InsertPolygon(way.OSMElem, matches); err != nil {
return err
}
} else {
if err := ww.inserter.InsertLineString(way.OSMElem, matches); err != nil {
return err
}
}
}
return nil
}
func (ww *WayWriter) buildAndInsert(geos *geos.Geos, w *element.Way, matches []mapping.Match, builder geomBuilder) {
var err error
// make copy to avoid interference with polygon/linestring matches
way := element.Way(*w)
geosgeom, err := builder(geos, way.Nodes)
if err != nil {
if err, ok := err.(ErrorLevel); ok {
if err.Level() <= 0 {
return
}
}
log.Println(err)
return
}
way.Geom, err = geom.AsGeomElement(geos, geosgeom)
if err != nil {
log.Println(err)
return
}
if ww.limiter != nil {
parts, err := ww.limiter.Clip(way.Geom.Geom)
if err != nil {
log.Println(err)
return
}
for _, g := range parts {
way := element.Way(*w)
way.Geom = &element.Geometry{g, geos.AsEwkbHex(g)}
ww.insertMatches(&way.OSMElem, matches)
}
} else {
ww.insertMatches(&way.OSMElem, matches)
}
}