CDMS/src/CDMS/ImageNavigatorII

diff -N Tiler.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ Tiler.java	28 Jul 2010 17:41:37 -0000	1.1
@@ -0,0 +1,94 @@

+import java.awt.Graphics2D;
+import java.awt.geom.AffineTransform;
+import java.awt.image.*;
+import java.io.*;
+
+import javax.imageio.ImageIO;
+import java.util.*;
+ 
+public class Tiler {
+    public static void main(String[] args) throws IOException {
+    	Date startDate = new Date();
+    	//try {
+    	    String path = "/Users/chriswilen/Documents/Work/Summer_2010/IZipG18M_TB_75x3/tiles/gmapviewer/";
+    	    int numXimgs = 7;
+    	    int numYimgs = 10;
+    	    int tileSize = 256;
+    	    
+    	    //get info on imgs
+    	    BufferedImage img = ImageIO.read(new File(path+"/dropbox/stitched_tiles/"+"/tile0_0.png"));
+    	    int imgW = img.getWidth();
+    	    int imgH = img.getHeight();
+    	    
+    	    //find max zoom level
+    	    double totalSize = 10000;
+    	    int maxZoom = 0;
+    	    while (totalSize > tileSize) {
+    	    	maxZoom++;
+    	    	totalSize = Math.max(imgW*numXimgs, imgH*numYimgs)/Math.pow(2, maxZoom);
+    	    }
+    	    
+    	    //create .txt file for google maps api
+    	    double scale = 283;//3.37085208/640;
+    	    String scaleunit = "mm";
+    	    try {
+	    	    FileWriter fstream = new FileWriter(path+"/tiles/detectorTiles/detectorTiles.txt");
+	    	    BufferedWriter outFile = new BufferedWriter(fstream);
+	    	    String outText = 	"name\tdetectorTiles"+
+	    	    					"\r\nwidth\t"+(numXimgs*imgW)+
+	    	    					"\r\nheight\t"+(numYimgs*imgH)+
+	    	    					"\r\nmaxzoom\t"+maxZoom+
+	    	    					"\r\ntilesize\t"+tileSize+
+	    	    					"\r\nscale\t"+(int)scale+
+	    	    					"\r\nscaleunit\t"+scaleunit+
+	    	    					"\r\nformat\t"+"png";
+	    	    outFile.write(outText);
+	    	    outFile.close();
+	    	    System.out.println("Google API file created.");
+    	    } catch (Exception e) { System.out.println("out file could not be created: " + e); }
+    	    
+    	    //loop through all zoom levels
+    	    for (int zoom=0; zoom<=maxZoom; zoom++) {
+    	    	double totalW = imgW*numXimgs/Math.pow(2, maxZoom-zoom);
+    	    	double totalH = imgH*numYimgs/Math.pow(2, maxZoom-zoom);
+    	    	int numXtiles = (int)Math.ceil(totalW/tileSize);
+    	    	int numYtiles = (int)Math.ceil(totalH/tileSize);
+    	    	System.out.println("  ("+totalW+","+numXtiles+")  ("+totalH+","+numYtiles+")  ");
+    	    	//loop through all the tiles for specified zoom level
+    	    	for (int row=0; row<numYtiles; row++) {
+    	    		for (int col=0; col<numXtiles; col++) {
+            	    	BufferedImage toStore = new BufferedImage(tileSize,tileSize,img.getType());
+            	    	Graphics2D g2 = toStore.createGraphics();
+            	    	//loop through each image, test if it is in tile, and draw it if it is
+            	    	for (int yImg=0; yImg<numYimgs; yImg++) {
+            	    		for (int xImg=0; xImg<numXimgs; xImg++) {
+                	    		//does the img belong in the tile?
+            	    			double scaleFactor = 1/Math.pow(2, maxZoom-zoom);
+            	    			int xpos = (int)Math.ceil(xImg*imgW*scaleFactor)-col*tileSize;
+            	    			int ypos = (int)Math.ceil(yImg*imgH*scaleFactor)-row*tileSize;
+        	    				if (xpos>=(-imgW*scaleFactor) && xpos<tileSize && ypos>=(-imgH*scaleFactor) && ypos<tileSize) {
+            	    				try {
+            	    					img = ImageIO.read(new File(path+"/dropbox/stitched_tiles/tile"+yImg+"_"+xImg+".png"));
+            	    				} catch (Exception e) {
+            	    					img = new BufferedImage(img.getWidth(),img.getHeight(),img.getType());
+            	    				}
+            	    				AffineTransform at = AffineTransform.getTranslateInstance(0, 0);
+            	    				at.setTransform(scaleFactor, 0, 0, scaleFactor, xpos, ypos);
+            	    				g2.drawRenderedImage(img, at);
+            	    				System.out.print("{"+(xpos+imgW*scaleFactor)+","+(ypos+imgH*scaleFactor)+"}");
+            	    			}
+                	    	}
+            	    	}
+            	    	ImageIO.write(toStore, "PNG", new File(path+"/tiles/detectorTiles/"+zoom+"_"+col+"_"+row+".png"));
+            	    	System.out.println(zoom+"_"+col+"_"+row);
+        	    	}
+    	    	}
+    	    }
+    	    
+    	
+    	//}
+    System.out.print((char)7);
+    Date endDate = new Date();
+	System.out.println("\nRuntime: "+(endDate.getTime()-startDate.getTime())/1000/60);
+}
+}