示例#1
0
 /**
  * Combine bias data from small files to a integrated file
  *
  * @param conf
  * @param pathName
  * @param outName
  * @throws IOException
  */
 public static void extractBias(Configuration conf, String pathName, String outName, int n)
     throws IOException {
   List<String> resList = DataOperators.readTextFromHDFS(conf, pathName);
   DenseDoubleMatrix1D vBias = new DenseDoubleMatrix1D(n);
   for (String line : resList) {
     String[] items = line.split("\t");
     vBias.set(Integer.parseInt(items[0]), Double.parseDouble(items[1]));
   }
   MatrixIO.saveDenseMatrix1D2HDFS(conf, outName, vBias, true);
 }
示例#2
0
  public static void main(String[] args) {
    double[][] arg1 = {{1, 1, 1}, {2, 3, 2}, {4, 7, 3}};
    DenseDoubleMatrix2D obj1 = new DenseDoubleMatrix2D(arg1); // rot

    double[][] arg2 = {{5, 5, 5}, {8, 8, 8}, {2, 2, 2}};
    DenseDoubleMatrix2D obj2 = new DenseDoubleMatrix2D(arg2); // grŸn

    double[][] arg3 = {{4, 5, 6}, {3, 2, 1}, {1, 2, 1}};
    DenseDoubleMatrix2D obj3 = new DenseDoubleMatrix2D(arg3); // schwarz

    System.out.println("obj1\n" + obj1);
    System.out.println("obj2\n" + obj2);
    System.out.println("obj3\n" + obj3);

    double[][][] pair21 = {arg1, arg2};
    Transformation trans21 = Kabsch.calculateTransformation(pair21); // grŸn -> rot
    DenseDoubleMatrix2D rot21 = trans21.peekRotation();
    DenseDoubleMatrix1D trl21 = trans21.peekTranslation();
    System.out.println("rot21\n" + rot21);
    System.out.println("trl21\n" + trl21);

    double[][][] pair12 = {arg2, arg1};
    Transformation trans12 = Kabsch.calculateTransformation(pair12); // grŸn -> rot
    DenseDoubleMatrix2D rot12 = trans12.peekRotation();
    DenseDoubleMatrix1D trl12 = trans12.peekTranslation();
    System.out.println("rot12\n" + rot12);
    System.out.println("trl12\n" + trl12);

    double[][][] pair32 = {arg2, arg3};
    Transformation trans32 = Kabsch.calculateTransformation(pair32); // schwarz -> grŸn
    DenseDoubleMatrix2D rot32 = trans32.peekRotation();
    DenseDoubleMatrix1D trl32 = trans32.peekTranslation();
    System.out.println("rot32\n" + rot32);
    System.out.println("trl32\n" + trl32.toString());

    DenseDoubleMatrix2D arg2onarg1 =
        new DenseDoubleMatrix2D(trans21.transform(arg2)); // grŸn -> rot
    System.out.println(arg2onarg1.toString());
    DenseDoubleMatrix2D uni21 = createUniMatrix(rot21, trl21);
    DenseDoubleMatrix2D uni32 = createUniMatrix(rot32, trl32);
    System.out.println("uni21\n" + uni21.toString());
    System.out.println("uni32\n" + uni32.toString());

    Algebra alg = new Algebra();
    DenseDoubleMatrix2D result =
        (DenseDoubleMatrix2D)
            alg.mult(
                DoubleFactory2D.dense.identity(4),
                computeTransitiveTransformation(
                    (DenseDoubleMatrix2D) DoubleFactory2D.dense.identity(4), uni32, uni21));

    System.out.println("action results\n" + result);
    System.out.println("moved points\n" + movePoints(result, obj3).toString());
  }
示例#3
0
 public static DenseDoubleMatrix2D createUniMatrix(
     DenseDoubleMatrix2D rot, DenseDoubleMatrix1D trl) {
   DenseDoubleMatrix2D res = new DenseDoubleMatrix2D(4, 4);
   for (int i = 0; i != 3; i++) {
     for (int j = 0; j != 3; j++) {
       res.set(i, j, rot.get(i, j));
     }
   }
   for (int i = 0; i != 3; i++) {
     res.set(i, 3, trl.get(i));
   }
   for (int i = 0; i != 3; i++) {
     res.set(3, i, 0);
   }
   res.set(3, 3, 1);
   return res;
 }