Examples with Item mcib3d.utils.KDTreeC.Item used on opensource projects

Example 1 with Item

use of mcib3d.utils.KDTreeC.Item in project mcib3d-core by mcib3d.

the class Object3D method getPixelBorder.

public Voxel3D getPixelBorder(double x, double y, double z) {
    // USE KDTREE
    double[] pos = { x, y, z };
    Item item = getKdtreeContours().getNearestNeighbor(pos, 1)[0];
    return (Voxel3D) item.obj;
}

Example 2 with Item

use of mcib3d.utils.KDTreeC.Item in project mcib3d-core by mcib3d.

the class Objects3DPopulation method kClosestCenter.

// kth closest (k=1 to N), with exclude list, if object in same population,
// the object should be in the exclude list
public Object3D kClosestCenter(Object3D ob, int k, ArrayList<Object3D> exclude) {
    if (kdtree == null) {
        this.createKDTreeCenters();
    }
    int nbClosest = 0;
    Item kClosest = null;
    Item[] items = kdtree.getNearestNeighbor(ob.getCenterAsArray(), getNbObjects());
    for (Item item : items) {
        if (!exclude.contains(item)) {
            nbClosest++;
            kClosest = item;
        }
        if (nbClosest == k)
            break;
    }
    return (Object3D) kClosest.obj;
}

Example 3 with Item

use of mcib3d.utils.KDTreeC.Item in project mcib3d-core by mcib3d.

the class Object3D method VoxelsBorderBorder.

public Voxel3D[] VoxelsBorderBorder(Object3D other) {
    double distanceMinimum = Double.MAX_VALUE;
    Voxel3D otherBorder = null, thisBorder = null;
    KDTreeC tree = this.getKdtreeContours();
    for (Voxel3D otherVoxel : other.getContours()) {
        double[] pos = otherVoxel.getArray();
        Item item = tree.getNearestNeighbor(pos, 1)[0];
        if (item.distanceSq < distanceMinimum) {
            otherBorder = otherVoxel;
            thisBorder = (Voxel3D) item.obj;
            distanceMinimum = item.distanceSq;
        }
    }
    return new Voxel3D[] { thisBorder, otherBorder };
}

Example 4 with Item

use of mcib3d.utils.KDTreeC.Item in project mcib3d-core by mcib3d.

the class Objects3DPopulation method closestCenter.

/**
 * @param x x coordinate in pixel
 * @param y y coordinate in pixel
 * @param z z coordinate in pixel
 * @return closest object (using calibrated distance)
 */
public Object3D closestCenter(double x, double y, double z) {
    if (kdtree == null) {
        this.createKDTreeCenters();
    }
    double[] pos = { x, y, z };
    Item clo = (kdtree.getNearestNeighbor(pos, 1))[0];
    return (Object3D) clo.obj;
}