Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/map/PrintMap.java @ 4357:11cf29eb002c
FacetTypes: New type: exreme_wq_curve_base (for the Stuetz-Q-Poits).
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Fri, 02 Nov 2012 11:58:11 +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 :