Java tutorial
package org.opencv.core; import java.util.Arrays; import java.util.List; public class MatOfDouble extends Mat { // 64FC(x) private static final int _depth = CvType.CV_64F; private static final int _channels = 1; public MatOfDouble() { super(); } protected MatOfDouble(long addr) { super(addr); if (!empty() && checkVector(_channels, _depth) < 0) throw new IllegalArgumentException("Incompatible Mat"); //FIXME: do we need release() here? } public static MatOfDouble fromNativeAddr(long addr) { return new MatOfDouble(addr); } public MatOfDouble(Mat m) { super(m, Range.all()); if (!empty() && checkVector(_channels, _depth) < 0) throw new IllegalArgumentException("Incompatible Mat"); //FIXME: do we need release() here? } public MatOfDouble(double... a) { super(); fromArray(a); } public void alloc(int elemNumber) { if (elemNumber > 0) super.create(elemNumber, 1, CvType.makeType(_depth, _channels)); } public void fromArray(double... a) { if (a == null || a.length == 0) return; int num = a.length / _channels; alloc(num); put(0, 0, a); //TODO: check ret val! } public double[] toArray() { int num = checkVector(_channels, _depth); if (num < 0) throw new RuntimeException("Native Mat has unexpected type or size: " + toString()); double[] a = new double[num * _channels]; if (num == 0) return a; get(0, 0, a); //TODO: check ret val! return a; } public void fromList(List<Double> lb) { if (lb == null || lb.size() == 0) return; Double ab[] = lb.toArray(new Double[0]); double a[] = new double[ab.length]; for (int i = 0; i < ab.length; i++) a[i] = ab[i]; fromArray(a); } public List<Double> toList() { double[] a = toArray(); Double ab[] = new Double[a.length]; for (int i = 0; i < a.length; i++) ab[i] = a[i]; return Arrays.asList(ab); } }