Examples with Point2d javax.vecmath.Point2d used on opensource projects

Example 66 with Point2d

use of javax.vecmath.Point2d in project chordatlas by twak.

the class GreebleSkel method mapTo2d.

protected void mapTo2d(Face f, Loop<LPoint3d> ll, MiniFacade mf, WallTag wallTag, Set<QuadF> features, MatMeshBuilder faceMaterial) {
    Matrix4d to2dXY = new Matrix4d();
    Vector3d up = f.edge.uphill, along = f.edge.direction(), out = f.edge.getPlaneNormal();
    along.normalize();
    to2dXY.setRow(2, up.x, up.y, up.z, 0);
    to2dXY.setRow(1, out.x, out.y, out.z, 0);
    to2dXY.setRow(0, -along.x, -along.y, -along.z, 0);
    Point3d bottomS = f.definingSE.iterator().next().getStart(f), bottomE = f.definingSE.iterator().next().getEnd(f);
    Point3d start = new Point3d(bottomS);
    Point3d end = new Point3d(bottomE);
    to2dXY.m33 = 1;
    to2dXY.transform(start);
    to2dXY.m03 = -start.x;
    to2dXY.m13 = -start.y;
    to2dXY.m23 = -start.z;
    start = new Point3d(bottomS);
    to2dXY.transform(start);
    to2dXY.transform(end);
    Loop<LPoint2d> flat = GreebleHelper.to2dLoop(GreebleHelper.transform(ll, to2dXY), 1);
    Matrix4d to3d = new Matrix4d(to2dXY);
    to3d.invert();
    {
        // face in z-up, we're in y-up
        double[] one = new double[4], two = new double[4];
        to3d.getRow(1, one);
        to3d.getRow(2, two);
        to3d.setRow(1, two);
        to3d.setRow(2, one);
    }
    // now in jme space
    Matrix4d to2d = new Matrix4d(to3d);
    to2d.invert();
    MiniFacade forFace = null;
    if (mf != null) {
        forFace = new MiniFacade(mf);
        forFace.rects.clear();
    }
    LinearForm3D facePlane = new LinearForm3D(new Vector3d(out.x, out.z, out.y), new Point3d(bottomS.x, bottomS.z, bottomS.y));
    LoopL<Point2d> sides = null;
    DRectangle facadeRect = null;
    if (wallTag != null) {
        sides = findRectagle(flat, Pointz.to2(start), Pointz.to2(end));
        if (sides != null)
            facadeRect = findRect(sides.remove(0));
    }
    List<DRectangle> floors = new ArrayList();
    List<MeshBuilder> materials = new ArrayList();
    if (wallTag != null && facadeRect != null && mf != null && wallTag.isGroundFloor && mf.groundFloorHeight > 0 && wallTag.groundFloorColor != null && facadeRect.x < mf.groundFloorHeight && facadeRect.getMaxX() > mf.groundFloorHeight) {
        floors.addAll(facadeRect.splitY(mf.groundFloorHeight));
        MatMeshBuilder gfm = greebleGrid.mbs.get("brick", wallTag.groundFloorColor);
        for (Loop<Point2d> loop : sides) {
            Loop<Point2d>[] cut = Loopz.cutConvex(loop, new LinearForm(0, 1, mf.groundFloorHeight));
            faceMaterial.add(cut[1].singleton(), to3d);
            gfm.add(cut[0].singleton(), to3d);
        }
        materials.add(gfm);
        materials.add(faceMaterial);
    } else {
        floors.add(facadeRect);
        materials.add(faceMaterial);
        if (sides != null)
            faceMaterial.add(sides, to3d);
    }
    for (int j = 0; j < floors.size(); j++) {
        DRectangle floorRect = floors.get(j);
        MeshBuilder m = materials.get(j);
        Iterator<QuadF> quit = features.iterator();
        while (quit.hasNext()) {
            QuadF n = quit.next();
            if (n.project(to2d, to3d, flat, facePlane, new Vector3d(along.y, 0, -along.x)) && wallTag != null && floorRect != null && forFace != null) {
                // set the vertical bounds, so we can just render in 2d
                FRect bounds = new FRect(n.original);
                n.setBounds(to2d, bounds);
                if (floorRect.contains(bounds)) {
                    forFace.rects.put(n.original.f, bounds);
                    quit.remove();
                }
            }
        }
        if (wallTag == null || forFace == null || floorRect == null) {
            m.add(flat.singleton(), to3d);
            return;
        }
        List<DRectangle> occlusions = new ArrayList<>();
        for (LineHeight lh : wallTag.occlusions) {
            Point3d s = new Point3d(lh.start.x, lh.start.y, lh.min), e = new Point3d(lh.end.x, lh.end.y, lh.max);
            to2dXY.transform(s);
            to2dXY.transform(e);
            occlusions.add(new DRectangle(Math.min(s.x, e.x), s.z, Math.abs(e.x - s.x), Math.abs(e.z - s.z)));
        }
        if (mf.texture == null)
            greebleGrid.buildGrid(floorRect, to3d, forFace, m, wallTag);
        else
            greebleGrid.textureGrid(floorRect, to3d, mf);
    }
}

Example 67 with Point2d

use of javax.vecmath.Point2d in project chordatlas by twak.

the class GreebleSkel method findValid.

private static PtInChain findValid(List<Point2d> chain, double startingX, boolean left) {
    double bestArea = -Double.MAX_VALUE;
    PtInChain bestPt = new PtInChain(chain.get(0), 0, 0);
    double bestX = chain.get(0).x;
    Point2d pt;
    for (int i = 0; i < chain.size(); i++) {
        pt = chain.get(i);
        bestX = left ? Math.max(pt.x, bestX) : Math.min(pt.x, bestX);
        double area = Math.abs(startingX - bestX) * pt.y;
        if (area > bestArea || area == 0 && bestArea == 0 && pt.y > bestPt.y) {
            bestPt = new PtInChain(new Point2d(bestX, pt.y), i, 0);
            bestArea = area;
        }
    }
    return bestPt;
}

Example 68 with Point2d

use of javax.vecmath.Point2d in project chordatlas by twak.

the class GreebleSkel method setToHeight.

private static PtInChain setToHeight(List<Point2d> chain, boolean left, double x2, double y2) {
    double bestX = chain.get(0).x;
    for (int i = 1; i < chain.size(); i++) {
        Point2d p = chain.get(i - 1), n = chain.get(i);
        bestX = left ? Math.max(p.x, bestX) : Math.min(p.x, bestX);
        PtInChain first = new PtInChain(new Point2d(n), i, 0);
        first.x = bestX;
        if (Math.abs(n.y - y2) < 0.001) {
            first.x = left ? Math.max(n.x, first.x) : Math.min(n.x, first.x);
            return first;
        }
        Line pn = new Line(p, n);
        if (n.y > y2) {
            Point2d sec = new LinearForm(pn).intersect(new LinearForm(0, 1, y2));
            if (sec == null)
                return first;
            sec.x = left ? Math.max(bestX, sec.x) : Math.min(bestX, sec.x);
            return new PtInChain(sec, i - 1, pn.findPPram(sec));
        }
    }
    return null;
}

Example 69 with Point2d

use of javax.vecmath.Point2d in project chordatlas by twak.

the class GMLReader method main1.

public static void main1(String[] args) {
    Graph2D g2 = readGMLToGraph(new File("/home/twak/data/langham/langham.gml"));
    g2.removeInnerEdges();
    Point2d offset = new Point2d();
    int count = 0;
    for (Point2d p : g2.map.keySet()) for (Line l : g2.get(p)) {
        count++;
        offset.add(l.start);
        System.out.println(l);
    }
    offset.scale(1. / count);
    System.out.println("offset is " + offset);
    AffineTransform at = AffineTransform.getScaleInstance(-1, 1);
    at.concatenate(AffineTransform.getTranslateInstance(-offset.x, -offset.y));
    g2 = g2.apply(at);
    UnionWalker uw = new UnionWalker();
    for (Point2d a : g2.map.keySet()) {
        for (Line l : g2.get(a)) {
            uw.addEdge(l.start, l.end);
        }
    }
    LoopL<Point2d> out = uw.findAll();
    ObjDump obj = new ObjDump();
    for (Loop<Point2d> loop : out) {
        List<Point3d> pts = new ArrayList();
        for (Point2d pt : loop) pts.add(new Point3d(pt.x, 0, pt.y));
        obj.addFace(pts);
    }
    obj.dump(new File(Tweed.SCRATCH + "langham.obj"));
}

Example 70 with Point2d

use of javax.vecmath.Point2d in project chordatlas by twak.

the class GMLReader method readGMLToGraph.

public static Graph2D readGMLToGraph(File in) {
    try {
        InputSource input = new InputSource(new FileInputStream(in));
        Graph2D out = new Graph2D();
        new GMLReader(input) {

            public void newPoly(String name) {
            }

            @Override
            public void hole(int n) {
                newPoly("hoel");
            }

            public void addLine(double[] s, double[] e) {
                out.add(new Point2d(e), new Point2d(s));
            }
        };
        return out;
    } catch (Throwable e) {
        e.printStackTrace();
        return null;
    }
}