Author: orbiter
Date: 2008-02-12 16:39:32 +0100 (Tue, 12 Feb 2008)
New Revision: 4477
Added:
trunk/source/de/anomic/ymage/ymageOSM.java
Modified:
trunk/source/de/anomic/server/serverObjects.java
trunk/source/de/anomic/ymage/ymageToolCircle.java
trunk/source/de/anomic/ymage/ymageToolPrint.java
Log:
experiments wit openstreetmaps
Modified: trunk/source/de/anomic/server/serverObjects.java
===================================================================
--- trunk/source/de/anomic/server/serverObjects.java 2008-02-10 22:50:09 UTC
(rev 4476)
+++ trunk/source/de/anomic/server/serverObjects.java 2008-02-12 15:39:32 UTC
(rev 4477)
@@ -275,6 +275,16 @@
}
}
+ public double getDouble(String key, double dflt) {
+ String s = (String) super.get(key);
+ if (s == null) return dflt;
+ try {
+ return Double.parseDouble(s);
+ } catch (NumberFormatException e) {
+ return dflt;
+ }
+ }
+
// returns a set of all values where their key mappes the keyMapper
public String[] getAll(String keyMapper) {
// the keyMapper may contain regular expressions as defined in
String.matches
Added: trunk/source/de/anomic/ymage/ymageOSM.java
===================================================================
--- trunk/source/de/anomic/ymage/ymageOSM.java 2008-02-10 22:50:09 UTC (rev
4476)
+++ trunk/source/de/anomic/ymage/ymageOSM.java 2008-02-12 15:39:32 UTC (rev
4477)
@@ -0,0 +1,112 @@
+// ymageOSM.java
+// (C) 2008 by Michael Peter Christen; [EMAIL PROTECTED], Frankfurt a. M.,
Germany
+// first published 12.02.2008 on http://yacy.net
+//
+// This is a part of YaCy, a peer-to-peer based web search engine
+//
+// $LastChangedDate: 2006-04-02 22:40:07 +0200 (So, 02 Apr 2006) $
+// $LastChangedRevision: 1986 $
+// $LastChangedBy: orbiter $
+//
+// LICENSE
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package de.anomic.ymage;
+
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.MalformedURLException;
+
+import javax.imageio.ImageIO;
+
+import de.anomic.plasma.plasmaHTCache;
+import de.anomic.plasma.plasmaSwitchboard;
+import de.anomic.yacy.yacyURL;
+
+public class ymageOSM {
+
+ // helper methods to load map images from openstreetmap.org
+
+ public static ymageMatrix getCombinedTiles(tileCoordinates t11) {
+ tileCoordinates t00, t10, t20, t01, t21, t02, t12, t22;
+ t00 = new tileCoordinates(t11.xtile - 1, t11.ytile - 1, t11.zoom);
+ t10 = new tileCoordinates(t11.xtile , t11.ytile - 1, t11.zoom);
+ t20 = new tileCoordinates(t11.xtile + 1, t11.ytile - 1, t11.zoom);
+ t01 = new tileCoordinates(t11.xtile - 1, t11.ytile , t11.zoom);
+ t21 = new tileCoordinates(t11.xtile + 1, t11.ytile , t11.zoom);
+ t02 = new tileCoordinates(t11.xtile - 1, t11.ytile + 1, t11.zoom);
+ t12 = new tileCoordinates(t11.xtile , t11.ytile + 1, t11.zoom);
+ t22 = new tileCoordinates(t11.xtile + 1, t11.ytile + 1, t11.zoom);
+ ymageMatrix m = new ymageMatrix(768, 768, ymageMatrix.MODE_REPLACE,
"FFFFFF");
+ BufferedImage bi;
+ bi = getSingleTile(t00); if (bi != null)
m.insertBitmap(getSingleTile(t00), 0, 0);
+ bi = getSingleTile(t10); if (bi != null)
m.insertBitmap(getSingleTile(t10), 256, 0);
+ bi = getSingleTile(t20); if (bi != null)
m.insertBitmap(getSingleTile(t20), 512, 0);
+ bi = getSingleTile(t01); if (bi != null)
m.insertBitmap(getSingleTile(t01), 0, 256);
+ bi = getSingleTile(t11); if (bi != null)
m.insertBitmap(getSingleTile(t11), 256, 256);
+ bi = getSingleTile(t21); if (bi != null)
m.insertBitmap(getSingleTile(t21), 512, 256);
+ bi = getSingleTile(t02); if (bi != null)
m.insertBitmap(getSingleTile(t02), 0, 512);
+ bi = getSingleTile(t12); if (bi != null)
m.insertBitmap(getSingleTile(t12), 256, 512);
+ bi = getSingleTile(t22); if (bi != null)
m.insertBitmap(getSingleTile(t22), 512, 512);
+ return m;
+ }
+
+ public static BufferedImage getSingleTile(tileCoordinates tile) {
+ yacyURL tileURL;
+ try {
+ tileURL = new yacyURL(tile.url(), null);
+ } catch (MalformedURLException e) {
+ return null;
+ }
+ System.out.println("*** DEBUG: fetching OSM tile: " +
tileURL.toNormalform(true, true));
+ InputStream tileStream =
plasmaHTCache.getResourceContentStream(tileURL);
+ if (tileStream == null) {
+ // download resource using the crawler and keep resource in memory
if possible
+ plasmaHTCache.Entry entry =
plasmaSwitchboard.getSwitchboard().crawlQueues.loadResourceFromWeb(tileURL,
20000, true, false);
+ if ((entry == null) || (entry.cacheArray() == null)) return null;
+ tileStream = new ByteArrayInputStream(entry.cacheArray());
+ }
+ try {
+ return ImageIO.read(tileStream);
+ } catch (IOException e) {
+ return null;
+ }
+ }
+
+ public static class tileCoordinates {
+
+ int xtile, ytile, zoom;
+
+ public tileCoordinates(final double lat, final double lon, final int
zoom) {
+ this.zoom = zoom;
+ this.xtile = (int) Math.floor((lon + 180) / 360 * (1 << zoom));
+ this.ytile = (int) Math.floor((1 - Math.log(Math.tan(lat * Math.PI
/ 180) + 1 / Math.cos(lat * Math.PI / 180)) / Math.PI) / 2 * (1 << zoom));
+ }
+
+ public tileCoordinates(int xtile, int ytile, int zoom) {
+ this.zoom = zoom;
+ this.xtile = xtile;
+ this.ytile = ytile;
+ }
+
+ public String url() {
+ return("http://tile.openstreetmap.org/"; + zoom + "/" + xtile + "/"
+ ytile + ".png");
+ }
+
+ }
+}
Modified: trunk/source/de/anomic/ymage/ymageToolCircle.java
===================================================================
--- trunk/source/de/anomic/ymage/ymageToolCircle.java 2008-02-10 22:50:09 UTC
(rev 4476)
+++ trunk/source/de/anomic/ymage/ymageToolCircle.java 2008-02-12 15:39:32 UTC
(rev 4477)
@@ -1,3 +1,29 @@
+// ymageToolCircle.java
+// (C) 2007 by Michael Peter Christen; [EMAIL PROTECTED], Frankfurt a. M.,
Germany
+// first published 22.05.2007 on http://yacy.net
+//
+// This is a part of YaCy, a peer-to-peer based web search engine
+//
+// $LastChangedDate: 2006-04-02 22:40:07 +0200 (So, 02 Apr 2006) $
+// $LastChangedRevision: 1986 $
+// $LastChangedBy: orbiter $
+//
+// LICENSE
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
package de.anomic.ymage;
import java.util.ArrayList;
Modified: trunk/source/de/anomic/ymage/ymageToolPrint.java
===================================================================
--- trunk/source/de/anomic/ymage/ymageToolPrint.java 2008-02-10 22:50:09 UTC
(rev 4476)
+++ trunk/source/de/anomic/ymage/ymageToolPrint.java 2008-02-12 15:39:32 UTC
(rev 4477)
@@ -1,3 +1,29 @@
+// ymageToolPrint.java
+// (C) 2007 by Michael Peter Christen; [EMAIL PROTECTED], Frankfurt a. M.,
Germany
+// first published 22.05.2007 on http://yacy.net
+//
+// This is a part of YaCy, a peer-to-peer based web search engine
+//
+// $LastChangedDate: 2006-04-02 22:40:07 +0200 (So, 02 Apr 2006) $
+// $LastChangedRevision: 1986 $
+// $LastChangedBy: orbiter $
+//
+// LICENSE
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
package de.anomic.ymage;
public class ymageToolPrint {
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