added all past projects

Java/Wettbewerb_CSV_Foto/src/wettbewerb_csv_foto/Camera.java

@@ -0,0 +1,57 @@
+package wettbewerb_csv_foto;
+
+import java.util.ArrayList;
+
+public class Camera {
+
+    private int id;
+    private String name;
+    private ArrayList<Image> images = new ArrayList();
+    public Camera(int id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public int countImages() {
+        return getImages().size();
+    }
+
+    public String writeLine() {
+        String s = "";
+        short i = 0;
+        for (Image image : images) {
+            s = s + this.name + "  " + this.id + i + ";";
+            s = s + image.getAbstand() + ";";
+            s = s + image.getStreuung() + ";";
+            s = s + System.getProperty("line.separator");
+            i++;
+        }
+        s = s.replace(".", ",");
+        return s;
+    }
+
+    public void AddImage(String path) {
+        Image tmp = new Image();
+
+
+        Pixel[] Pixel = new Pixel[0];
+        Pixel = tmp.Load(path).toArray(Pixel);
+        System.out.println(this.name + this.id + " loaded a new Image");
+        getImages().add(tmp);
+
+    }
+
+    private Image avgImage() {
+        if (getImages().size() == 0) {
+            return null;
+        }
+        Image avg = new Image();
+        return avg;
+    }
+    /**
+     * @return the images
+     */
+    public ArrayList<Image> getImages() {
+        return images;
+    }
+}

Java/Wettbewerb_CSV_Foto/src/wettbewerb_csv_foto/Image.java

@@ -0,0 +1,149 @@
+package wettbewerb_csv_foto;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.ArrayList;
+
+public class Image {
+
+    private int width = 0, height = 0;
+    private double abstand, streuung;
+
+    //Streuung
+    private void sigmaDist(double durchschnitt, ArrayList<Pixel> pMap) {
+        double s = 0;
+        for (int i = 0; i < pMap.size() - width; i++) {
+            Pixel p = pMap.get(i);
+            Pixel q = pMap.get(i + width);
+            s = s + ((pixelDist(p, q) - durchschnitt) * 
+                     (pixelDist(p, q) - durchschnitt));
+        }
+        streuung = Math.sqrt(s / (pMap.size() - width));
+    }
+
+    private double pixelDist(Pixel p, Pixel q) {
+        double d = Math.sqrt((p.r - q.r) * (p.r - q.r)
+                + (p.g - q.g) * (p.g - q.g)
+                + (p.b - q.b) * (p.b - q.b));
+        return d;
+    }
+
+    private void avgDist(ArrayList<Pixel> pMap) {
+        double d = 0;
+        for (int i = 0; i < pMap.size() - width; i++) {
+            d = d + pixelDist(pMap.get(i), pMap.get(i + width));
+        }
+        abstand = d / (pMap.size() - width);
+    }
+
+    private void compute(ArrayList<Pixel> pMap) {
+        int size = pMap.size();
+        avgDist(pMap);
+        sigmaDist(abstand, pMap);
+        System.out.println(getAbstand());
+    }
+    //Lädt Image und gibt Farbspektrum zurück (um speicherplatz zu sparen)
+
+    public ArrayList<Pixel> Load(String path) {
+        ArrayList<Pixel> pixelMap = new ArrayList();
+        int i = 0;
+        BufferedReader br = null;
+        try {
+
+            StringBuilder sb = new StringBuilder();
+            br = new BufferedReader(new FileReader(path));
+
+            if (readHeader(br)) {
+                while (br.ready()) {
+                    short r = (short) readInt(br);
+                    short g = (short) readInt(br);
+                    short b = (short) readInt(br);
+                    if (r >= 0 && g >= 0 && b >= 0) {
+                        pixelMap.add(new Pixel(i, r, g, b));
+                        i++;
+                    }
+                }
+            }
+
+        } catch (IOException e) {
+            System.out.println(e);
+        }
+
+        compute(pixelMap);
+        return pixelMap;
+    }
+
+    private boolean readHeader(BufferedReader br) {
+        try {
+            char c1 = (char) br.read();
+            char c2 = (char) br.read();
+            if (c1 == 'P' && c2 == '3') {
+                width = readInt(br);
+                height = readInt(br);
+                int maxVal = readInt(br);
+                return true;
+            } else {
+                return false;
+            }
+        } catch (IOException e) {
+            System.out.println(e);
+            return false;
+        }
+    }
+    /// Utility routine to read the first non-whitespace character.
+
+    private static char readNonwhiteChar(BufferedReader bf) throws IOException {
+        char c;
+
+        do {
+            c = (char) bf.read();
+        } while (c == ' ' || c == '\t' || c == '\n' || c == '\r');
+
+        return c;
+    }
+
+    private int readInt(BufferedReader br) throws IOException {
+        char c;
+        int i;
+
+        c = readNonwhiteChar(br);
+        i = 0;
+        do {
+            i = i * 10 + c - '0';
+            c = (char) br.read();
+        } while (c >= '0' && c <= '9');
+        return i;
+    }
+
+    public int getWidth() {
+        return width;
+    }
+
+    /**
+     * @return the height
+     */
+    public int getHeight() {
+        return height;
+    }
+
+    public int getPixelCount() {
+        return height * width;
+    }
+
+    /**
+     * @return the abstand
+     */
+    public double getAbstand() {
+        return abstand;
+    }
+
+    /**
+     * @return the streuung
+     */
+    public double getStreuung() {
+        return streuung;
+    }
+}

Java/Wettbewerb_CSV_Foto/src/wettbewerb_csv_foto/Pixel.java

@@ -0,0 +1,11 @@
+package wettbewerb_csv_foto;
+
+public class Pixel {
+    short r,g,b;
+    public Pixel(int id,short R, short G, short B)
+    {
+        r = R;
+        g = G;
+        b = B;
+    }
+}

Java/Wettbewerb_CSV_Foto/src/wettbewerb_csv_foto/Wettbewerb_CSV_Foto.java

@@ -0,0 +1,99 @@
+package wettbewerb_csv_foto;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.ArrayList;
+
+public class Wettbewerb_CSV_Foto {
+
+    static Camera uCam;
+    static ArrayList<Camera> cam = new ArrayList();
+
+    public static void main(String[] args) throws IOException {
+        LoadCameras();
+        LoadImages();
+        createCSV("C:\\Users\\Hannes\\Desktop\\", "output.csv");
+    }
+
+    public static void LoadCameras() {
+        uCam = new Camera(0, "Unbekannt");
+        for (int i = 1; i <= 5; i++) {
+            cam.add(new Camera(i, "Kamera"));
+        }
+        System.out.println("Cameras added!");
+    }
+
+    public static void LoadImages() {
+        uCam.AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kanne.ppm");
+        System.out.println("Unknown Image Loaded");
+
+        cam.get(0).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera1\\K1Bild1.ppm");
+        cam.get(0).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera1\\K1Bild2.ppm");
+        cam.get(0).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera1\\K1Bild3.ppm");
+        cam.get(0).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera1\\K1Bild4.ppm");
+        cam.get(0).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera1\\K1Bild5.ppm");
+        System.out.println("Images Camera 1 Loaded");
+
+        cam.get(1).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera2\\K2Bild1.ppm");
+        cam.get(1).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera2\\K2Bild2.ppm");
+        cam.get(1).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera2\\K2Bild3.ppm");
+        cam.get(1).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera2\\K2Bild4.ppm");
+        cam.get(1).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera2\\K2Bild5.ppm");
+        System.out.println("Images Camera 2 Loaded");
+
+        cam.get(2).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera3\\K3Bild1.ppm");
+        cam.get(2).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera3\\K3Bild2.ppm");
+        cam.get(2).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera3\\K3Bild3.ppm");
+        cam.get(2).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera3\\K3Bild4.ppm");
+        cam.get(2).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera3\\K3Bild5.ppm");
+        System.out.println("Images Camera 3 Loaded");
+
+        cam.get(3).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera4\\K4Bild1.ppm");
+        cam.get(3).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera4\\K4Bild2.ppm");
+        cam.get(3).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera4\\K4Bild3.ppm");
+        cam.get(3).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera4\\K4Bild4.ppm");
+        System.out.println("Images Camera 4 Loaded");
+
+        cam.get(4).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera5\\K5Bild1.ppm");
+        cam.get(4).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera5\\K5Bild2.ppm");
+        cam.get(4).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera5\\K5Bild3.ppm");
+        cam.get(4).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera5\\K5Bild4.ppm");
+        cam.get(4).AddImage("C:\\Users\\Hannes\\Documents\\Fotos\\Kamera5\\K5Bild5.ppm");
+        System.out.println("Images Camera 5 Loaded");
+    }
+
+    public static void createCSV(String path, String filename) throws IOException {
+        File file = new File(path, filename);
+        if (!file.isFile() && !file.createNewFile()) {
+            throw new IOException("Error creating new file: " + file.getAbsolutePath());
+        }
+        try {
+            FileWriter writer = new FileWriter(path + filename);
+
+            writer.append("Foto;Durchschnittlicher Abstand; Streuung" + System.getProperty("line.separator"));
+
+            for (int i = 0; i < cam.size(); i++) {
+                    writeLine(writer, cam.get(i));     
+            }
+            
+            writeLine(writer, uCam);
+
+
+            System.out.println("Written Data to File");
+
+            //generate whatever data you want
+
+            writer.flush();
+            writer.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+    }
+
+    public static FileWriter writeLine(FileWriter writer, Camera camera) throws IOException {
+        writer.append(camera.writeLine());
+        return writer;
+    }
+}