Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/map/PrintMap.java @ 4496:d8992459b408
Add method to return the facets of an artifact
This methos should be used to get the facets of an artifact instead of accessing
the facets member variable directly.
author | Björn Ricks <bjoern.ricks@intevation.de> |
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date | Wed, 14 Nov 2012 11:11:04 +0100 |
parents | 4a76da133144 |
children |
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package de.intevation.flys.artifacts.map; import java.awt.Color; import java.awt.Rectangle; import java.io.File; import java.io.IOException; import java.awt.Graphics2D; import java.awt.image.BufferedImage; import java.util.List; import java.net.URL; import java.net.MalformedURLException; import javax.imageio.ImageIO; import org.geotools.data.ows.Layer; import org.geotools.data.ows.WMSCapabilities; import org.geotools.data.wms.WebMapServer; import org.geotools.geometry.jts.ReferencedEnvelope; import org.geotools.map.MapContext; import org.geotools.map.WMSMapLayer; import org.geotools.ows.ServiceException; import org.geotools.renderer.lite.StreamingRenderer; import org.geotools.renderer.GTRenderer; public class PrintMap { public static final String DEFAULT_WMS = "http://map1.naturschutz.rlp.de/service_lanis/mod_wms/wms_getmap.php?mapfile=group_gdide&REQUEST=GetCapabilities&SERVICE=WMS"; public static final String DEFAULT_OUTFILE = "~/map.jpeg"; public static final String MAPSERVER = System.getProperty("wms", DEFAULT_WMS); public static final String MAP_IMAGE = System.getProperty("outfile", DEFAULT_OUTFILE); public static void main(String[] args) { System.out.println("-> start PrintMap"); System.out.println(" -> Print layers of WMS: " + MAPSERVER); try { WebMapServer server = getMapserver(); WMSMapLayer[] wmsLayer = getWMSLayers(server); MapContext mapcontent = new MapContext( wmsLayer ); mapcontent.setTitle(" NEW MAP CONTENT TITLE "); printMap(mapcontent); } catch (Exception e) { e.printStackTrace(); } System.out.println("-> finished PrintMap"); } public static void printMap(MapContext map) throws Exception { int imageWidth = 600; GTRenderer renderer = new StreamingRenderer(); renderer.setContext(map); Rectangle imageBounds = null; ReferencedEnvelope mapBounds = null; try { mapBounds = map.getLayerBounds(); double heightToWidth = mapBounds.getSpan(1) / mapBounds.getSpan(0); imageBounds = new Rectangle( 0, 0, imageWidth, (int) Math.round(imageWidth * heightToWidth)); } catch (Exception e) { // failed to access map layers throw new RuntimeException(e); } BufferedImage image = new BufferedImage(imageBounds.width, imageBounds.height, BufferedImage.TYPE_INT_RGB); Graphics2D gr = image.createGraphics(); gr.setPaint(Color.WHITE); gr.fill(imageBounds); try { renderer.paint(gr, imageBounds, mapBounds); File fileToSave = new File(MAP_IMAGE); ImageIO.write(image, "jpeg", fileToSave); } catch (IOException e) { throw new RuntimeException(e); } } public static WebMapServer getMapserver() throws MalformedURLException, IOException, ServiceException { return new WebMapServer(getServerUrl()); } public static URL getServerUrl() throws MalformedURLException { return new URL(MAPSERVER); } public static WMSMapLayer[] getWMSLayers(WebMapServer server) { if (server == null) { System.out.println("WebMapServer == null"); throw new RuntimeException("WebMapServer == null"); } WMSCapabilities capabilities = server.getCapabilities(); List<Layer> layers = capabilities.getLayerList(); WMSMapLayer[] wmslayers = new WMSMapLayer[layers.size()]; for (int i = 0, L = layers.size(); i < L; i++) { Layer l = layers.get(i); System.out.println(" -> add layer: " + l); wmslayers[i] = new WMSMapLayer(server, l); } return wmslayers; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :