@Override public void processPolygon(OsmPolygon osmPolygon) throws Osm2xpBusinessException { // polygon is null or empty don't process it if (osmPolygon.getNodes() != null && !osmPolygon.getNodes().isEmpty()) { // polygon MUST be in clockwise order osmPolygon.setPolygon(GeomUtils.forceClockwise(osmPolygon.getPolygon())); // if we're on a single pass mode // here we must check if the polygon is on more than one tile // if that's the case , we must split it into several polys List<OsmPolygon> polygons = new ArrayList<OsmPolygon>(); if (GuiOptionsHelper.getOptions().isSinglePass()) { polygons.addAll(osmPolygon.splitPolygonAroundTiles()); } // if not on a single pass mode, add this single polygon to the poly // list else { polygons.add(osmPolygon); } // try to transform those polygons into dsf objects. for (OsmPolygon poly : polygons) { // look for light rules processLightObject(poly); // try to generate a 3D object if (!process3dObject(poly)) { // nothing generated? try to generate a facade building. if (!processBuilding(poly)) { // nothing generated? try to generate a forest. processForest(poly); } } } } }
/** * write a building in the dsf file. * * @param polygon * @param facade * @param size */ private void writeBuildingToDsf(OsmPolygon osmPolygon, Integer facade) { if (facade != null && osmPolygon.getHeight() != null) { StringBuffer sb = new StringBuffer(); osmPolygon.setPolygon(GeomUtils.setClockwise(osmPolygon.getPolygon())); if (osmPolygon.getPolygon().getArea() * 100000000 > 0.1 && osmPolygon.getPolygon().getVertexNumber() > 3) { sb.append("BEGIN_POLYGON " + facade + " " + osmPolygon.getHeight() + " 2"); sb.append(System.getProperty("line.separator")); sb.append("BEGIN_WINDING"); sb.append(System.getProperty("line.separator")); // on supprime le dernier point pour ne pas boucler osmPolygon.getPolygon().removePoint(osmPolygon.getPolygon().getLastPoint()); for (Point2D loc : osmPolygon.getPolygon().getVertices()) { sb.append("POLYGON_POINT " + loc.y + " " + loc.x); sb.append(System.getProperty("line.separator")); } sb.append("END_WINDING"); sb.append(System.getProperty("line.separator")); sb.append("END_POLYGON"); sb.append(System.getProperty("line.separator")); // stats TODO not working anymore since v2 facades new features. if (dsfObjectsProvider.getPolygonsList().get(facade).toLowerCase().contains("building") || dsfObjectsProvider.getPolygonsList().get(facade).toLowerCase().contains("shape")) { StatsHelper.addBuildingType("Building", stats); } else { if (dsfObjectsProvider.getPolygonsList().get(facade).toLowerCase().contains("house") || dsfObjectsProvider .getPolygonsList() .get(facade) .toLowerCase() .contains("common")) { StatsHelper.addBuildingType("Residential", stats); } else { StatsHelper.addBuildingType("Facade rule", stats); } } writer.write( sb.toString(), GeomUtils.cleanCoordinatePoint(osmPolygon.getPolygon().getFirstPoint())); } } }