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[simantics/district.git] / org.simantics.district.maps / src / org / simantics / maps / osm / OSMGetMapQuery.java

diff --git a/org.simantics.district.maps/src/org/simantics/maps/osm/OSMGetMapQuery.java b/org.simantics.district.maps/src/org/simantics/maps/osm/OSMGetMapQuery.java
new file mode 100644 (file)
index 0000000..02dd42f
--- /dev/null
+++ b/org.simantics.district.maps/src/org/simantics/maps/osm/OSMGetMapQuery.java
@@ -0,0 +1,72 @@
+/*******************************************************************************
+ * Copyright (c) 2012 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.maps.osm;
+
+import java.awt.geom.Rectangle2D;
+import java.net.MalformedURLException;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class OSMGetMapQuery {
+
+    String srs = "EPSG:4326";
+
+    int width;
+
+    int height;
+
+    Rectangle2D bbox;
+
+    String[] styles;
+
+    String[] layers;
+
+    String format;
+
+    public OSMGetMapQuery(int width, int height, Rectangle2D bbox,
+            String format, String... layers) throws MalformedURLException {
+        this.width = width;
+        this.height = height;
+        this.bbox = bbox;
+        this.format = format;
+        this.layers = layers;
+    }
+
+    public void setSpatialReferenceSystem(String srs) {
+        this.srs = srs;
+    }
+
+    public void setStyles(String... styles) {
+        this.styles = styles;
+    }
+
+    public void setLayers(String... layers) {
+        this.layers = layers;
+    }
+
+    public static String getTileNumber(final double lat, final double lon,
+            final int zoom) {
+        int xtile = (int) Math.floor((lon + 180) / 360 * (1 << zoom));
+        int ytile = (int) Math.floor((1 - Math.log(
+                Math.tan(Math.toRadians(lat))
+                + 1 / Math.cos(Math.toRadians(lat)))
+                / Math.PI)
+                / 2 * (1 << zoom));
+        return ("" + zoom + "/" + xtile + "/" + ytile+".png");
+    }
+
+    public String toString() {
+        return getTileNumber(bbox.getMinX(), bbox.getMinY(), 16);
+    }
+
+}