/*
* This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
*
* Copyright 2008-2011 Geosparc nv, http://www.geosparc.com/, Belgium.
*
* The program is available in open source according to the GNU Affero
* General Public License. All contributions in this program are covered
* by the Geomajas Contributors License Agreement. For full licensing
* details, see LICENSE.txt in the project root.
*/
package org.geomajas.internal.layer.vector;
import org.geomajas.global.GeomajasException;
import org.geomajas.internal.rendering.strategy.TiledFeatureService;
import org.geomajas.layer.pipeline.GetTileContainer;
import org.geomajas.layer.tile.TileMetadata;
import org.geomajas.service.pipeline.PipelineCode;
import org.geomajas.service.pipeline.PipelineContext;
import org.geomajas.service.pipeline.PipelineStep;
import org.springframework.beans.factory.annotation.Autowired;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Envelope;
/**
* Determines if the features are part of the tile or should be fetched
* through other tile codes.
*
* @author Joachim Van der Auwera
* @author Jan De Moerloose
*/
public class GetTileFillStep implements PipelineStep<GetTileContainer> {
private String id;
@Autowired
private TiledFeatureService tiledFeatureService;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public void execute(PipelineContext context, GetTileContainer response) throws GeomajasException {
TileMetadata metadata = context.get(PipelineCode.TILE_METADATA_KEY, TileMetadata.class);
// Determine the maximum tile extent
Envelope maxTileExtent = context.get(PipelineCode.TILE_MAX_EXTENT_KEY, Envelope.class);
// fill the tiles
tiledFeatureService.fillTile(response.getTile(), maxTileExtent);
// clipping of features in tile
Coordinate panOrigin = new Coordinate(metadata.getPanOrigin().getX(), metadata.getPanOrigin().getY());
tiledFeatureService.clipTile(response.getTile(), metadata.getScale(), panOrigin);
}
}