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64 lines
2.7 KiB
Java
64 lines
2.7 KiB
Java
/**
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* osm
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* Copyright 2008 by Michael Peter Christen
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* First released 13.02.2011 at http://yacy.net
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program in the file lgpl21.txt
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.peers.graphics.EncodedImage;
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import net.yacy.peers.graphics.OSMTile;
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import net.yacy.server.serverObjects;
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import net.yacy.server.serverSwitch;
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import net.yacy.visualization.PrintTool;
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import net.yacy.visualization.RasterPlotter;
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import net.yacy.visualization.RasterPlotter.DrawMode;
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public class osm {
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public static EncodedImage respond(final RequestHeader header, final serverObjects post, @SuppressWarnings("unused") final serverSwitch env) {
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int zoom = 10;
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double lat = 50.11670d;
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double lon = 8.68333d;
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int width = 3;
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int height = 3;
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if (post != null) {
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zoom = post.getInt("zoom", zoom);
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lat = post.getDouble("lat", lat);
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lon = post.getDouble("lon", lon);
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width = post.getInt("width", width);
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height = post.getInt("height", height);
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}
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final OSMTile.tileCoordinates coord = new OSMTile.tileCoordinates(lat, lon, zoom);
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RasterPlotter map = OSMTile.getCombinedTiles(coord, width, height);
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map.setDrawMode(DrawMode.MODE_SUB);
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map.setColor(0xffffff);
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/*
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* copyright notice on OSM Tiles
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* According to http://www.openstreetmap.org/copyright/ the (C) of the map tiles is (CC BY-SA)
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* while the OpenStreetMap raw data is licensed with (ODbL) http://opendatacommons.org/licenses/odbl/
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* Map tiles shall be underlined with the statement "(C) OpenStreetMap contributors". In our 5-dot character
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* set the lowercase letters do not look good, so we use uppercase only.
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* The (C) symbol is not available in our font, so we use the letters (C) instead.
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*/
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PrintTool.print(map, map.getWidth() - 6, map.getHeight() - 6, 0, "(C) OPENSTREETMAP CONTRIBUTORS", 1, 80);
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return new EncodedImage(map, header.get("EXT", null), true);
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}
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} |