Examples with Vector2d maspack.matrix.Vector2d used on opensource projects

Example 11 with Vector2d

use of maspack.matrix.Vector2d in project artisynth_core by artisynth.

the class CutPlaneProbe method setResolution.

/**
 * Sets the resolution fo teh display, integers (nx, ny) corresponding
 * to the number of divisions along the x and y axes.  This triggers
 * a rebuild of the mesh.
 */
public void setResolution(Vector2d res) {
    if (!myResolution.equals(res)) {
        myResolution = new Vector2d((int) res.x, (int) res.y);
        rebuildMesh();
        updateMeshDisplay();
    }
}

Example 12 with Vector2d

use of maspack.matrix.Vector2d in project artisynth_core by artisynth.

the class PointDistributor method sphereGridFill.

// fills a mesh based on a regular grid of points
public static Point3d[] sphereGridFill(PolygonalMesh mesh, double r) {
    ArrayList<Point3d> pnts = new ArrayList<Point3d>();
    RigidTransform3d trans = getPrincipalAxes(mesh);
    Point3d[] box = getTightBox(mesh, trans);
    Point3d center = new Point3d(box[0]);
    center.add(box[6]);
    center.scale(0.5);
    trans.setTranslation(center);
    Vector3d l = new Vector3d(box[0]);
    l.sub(box[6]);
    l.inverseTransform(trans);
    double alpha = 2 * Math.sqrt(2) * r;
    int nx = (int) Math.ceil(l.x / alpha) + 1;
    int ny = (int) Math.ceil(l.y / alpha) + 1;
    int nz = (int) Math.ceil(l.z / alpha) + 1;
    double xoffset = -(nx - 1) * alpha / 2;
    double yoffset = -(ny - 1) * alpha / 2;
    double zoffset = -(nz - 1) * alpha / 2;
    BVTree bvh = mesh.getBVTree();
    Vector2d coords = new Vector2d();
    Point3d nearest = new Point3d();
    BVFeatureQuery query = new BVFeatureQuery();
    Point3d p;
    for (int i = 0; i < nx; i++) {
        for (int j = 0; j < ny; j++) {
            for (int k = 0; k < nz; k++) {
                double x = i * alpha + xoffset;
                double y = j * alpha + yoffset;
                double z = k * alpha + zoffset;
                p = new Point3d(x, y, z);
                p.transform(trans);
                addIfIntersects(pnts, p, r, bvh, nearest, coords, query);
            }
        }
    }
    return pnts.toArray(new Point3d[pnts.size()]);
}

Example 13 with Vector2d

use of maspack.matrix.Vector2d in project artisynth_core by artisynth.

the class PointDistributor method sphereFCCFill.

// fills a mesh with spheres based on face-centered cubic packing
public static Point3d[] sphereFCCFill(PolygonalMesh mesh, double r) {
    ArrayList<Point3d> pnts = new ArrayList<Point3d>();
    RigidTransform3d trans = getPrincipalAxes(mesh);
    Point3d[] box = getTightBox(mesh, trans);
    Point3d center = new Point3d(box[0]);
    center.add(box[6]);
    center.scale(0.5);
    trans.setTranslation(center);
    Vector3d l = new Vector3d(box[0]);
    l.sub(box[6]);
    l.inverseTransform(trans);
    double alpha = 2 * Math.sqrt(2) * r;
    int nx = (int) Math.ceil(l.x / alpha) + 1;
    int ny = (int) Math.ceil(l.y / alpha) + 1;
    int nz = (int) Math.ceil(l.z / alpha) + 1;
    double xoffset = -(nx - 1) * alpha / 2;
    double yoffset = -(ny - 1) * alpha / 2;
    double zoffset = -(nz - 1) * alpha / 2;
    BVTree bvh = mesh.getBVTree();
    Vector2d coords = new Vector2d();
    Point3d nearest = new Point3d();
    BVFeatureQuery query = new BVFeatureQuery();
    Point3d p;
    for (int i = 0; i < nx; i++) {
        for (int j = 0; j < ny; j++) {
            for (int k = 0; k < nz; k++) {
                double x = i * alpha + xoffset;
                double y = j * alpha + yoffset;
                double z = k * alpha + zoffset;
                p = new Point3d(x, y, z);
                p.transform(trans);
                addIfIntersects(pnts, p, r, bvh, nearest, coords, query);
                // face centers
                if (i < nx - 1 && k < nz - 1) {
                    p = new Point3d(x + alpha / 2, y, z + alpha / 2);
                    p.transform(trans);
                    addIfIntersects(pnts, p, r, bvh, nearest, coords, query);
                }
                if (j < ny - 1 && k < nz - 1) {
                    p = new Point3d(x, y + alpha / 2, z + alpha / 2);
                    p.transform(trans);
                    addIfIntersects(pnts, p, r, bvh, nearest, coords, query);
                }
                if (i < nx - 1 && j < ny - 1) {
                    p = new Point3d(x + alpha / 2, y + alpha / 2, z);
                    p.transform(trans);
                    addIfIntersects(pnts, p, r, bvh, nearest, coords, query);
                }
            }
        }
    }
    return pnts.toArray(new Point3d[pnts.size()]);
}

Example 14 with Vector2d

use of maspack.matrix.Vector2d in project artisynth_core by artisynth.

the class DicomLoader method addPlane.

void addPlane() {
    if (viewer == null) {
        return;
    }
    DicomImage image = viewer.getImage();
    Point3d pmin = new Point3d(Double.POSITIVE_INFINITY, Double.POSITIVE_INFINITY, Double.POSITIVE_INFINITY);
    Point3d pmax = new Point3d(Double.NEGATIVE_INFINITY, Double.NEGATIVE_INFINITY, Double.NEGATIVE_INFINITY);
    viewer.updateBounds(pmin, pmax);
    // center transform
    RigidTransform3d trans = new RigidTransform3d();
    trans.p.interpolate(pmin, 0.5, pmax);
    Vector2d size = new Vector2d(pmax.x - pmin.x, pmax.y - pmin.y);
    DicomPlaneViewer dpv = new DicomPlaneViewer("plane_" + viewerPlanes.size(), image, trans, size);
    addRenderable(dpv);
    viewerPlanes.add(dpv);
}

Example 15 with Vector2d

use of maspack.matrix.Vector2d in project artisynth_core by artisynth.

the class GLMouseAdapter method checkForSelection.

private void checkForSelection(MouseEvent e) {
    int flags = getSelectionOperation(e);
    ViewerSelectionEvent selEvent = new ViewerSelectionEvent();
    selEvent.setModifiersEx(e.getModifiersEx());
    viewer.selectionEvent = selEvent;
    // delimits the pick region (with x, y at the center)
    double x, y, w, h;
    boolean ignoreDepthTest = false;
    Rectangle dragBox = viewer.getDragBox();
    if (dragBox != null) {
        x = dragBox.x + dragBox.width / 2.0;
        y = dragBox.y + dragBox.height / 2.0;
        w = dragBox.width;
        h = dragBox.height;
        flags |= ViewerSelectionEvent.DRAG;
        if (!visibleSelectionOnly) {
            // Normally true!
            ignoreDepthTest = true;
        }
    } else {
        x = e.getX();
        y = e.getY();
        if (viewer.getEllipticSelection()) {
            Vector2d csize = viewer.getEllipticCursorSize();
            w = 2 * csize.x;
            h = 2 * csize.y;
            flags |= ViewerSelectionEvent.DRAG;
        } else {
            w = 3.0;
            h = 3.0;
        }
        ignoreDepthTest = false;
    }
    viewer.setPick(x, y, w, h, ignoreDepthTest);
    selEvent.setFlags(flags);
// {
// GLSelectionEvent selEvent = new GLSelectionEvent();
// selEvent.myModifiersEx = e.getModifiersEx();
// selEvent.setMode(SelectionType.Clear);
// viewer.selectionEvent = selEvent;
// }
}