Examples with Line org.twak.utils.Line used on opensource projects

Example 31 with Line

use of org.twak.utils.Line in project chordatlas by twak.

the class SkelFootprint method findProfiles.

private void findProfiles(List<Line> footprint, List<Prof> globalProfs) {
    MultiMap<SuperLine, List<Prof>> profSets = new MultiMap<>();
    System.out.println("clustering " + globalProfs.size() + " profiles over sweep edges...");
    for (Line l : footprint) profileRuns((SuperLine) l, profSets);
    Prof example = null;
    System.out.println("cleaning " + profSets.values().stream().flatMap(c -> c.stream()).count() + " profiles...");
    for (SuperLine sl : profSets.keySet()) for (List<Prof> lp : profSets.get(sl)) {
        if (example == null)
            example = lp.get(0);
        Prof p = Prof.parameterize(lp);
        if (p != null && p.size() > 1)
            globalProfs.add(SkelGen.moveToX0(p));
    }
    Iterator<Prof> git = globalProfs.iterator();
    int c = 0;
    // remove trivial
    while (git.hasNext()) {
        Prof p = git.next();
        if (p.size() < 2)
            git.remove();
        else if (p.size() == 2) {
            if (p.get(0).x == p.get(1).x) {
                git.remove();
                c++;
            }
        } else if (p.size() == 3) {
            if (p.get(0).x == p.get(1).x && p.get(2).y == p.get(1).y)
                git.remove();
        }
    }
    System.out.println("found " + globalProfs.size() + " interesting profiles" + " from " + profSets.size() + " runs");
    removeSimilarB(globalProfs, TweedSettings.settings.profilePrune);
    System.out.println("after remove similar " + globalProfs.size());
    // insert single vertical profile
    {
        Prof vertical = defaultProf(example);
        globalProfs.add(0, vertical);
    }
}

Example 32 with Line

use of org.twak.utils.Line in project chordatlas by twak.

the class SkelFootprint method mergeOnProfiles.

private void mergeOnProfiles(HalfMesh2 mesh, List<Line> footprint) {
    System.out.println("merging over profiles...");
    TreeSet<HalfFace> togo = new TreeSet<>((HalfFace o1, HalfFace o2) -> Double.compare(o1.area(), o2.area()));
    togo.addAll(mesh.faces);
    int count = 0;
    while (!togo.isEmpty()) {
        HalfFace f = togo.pollFirst();
        Cache<HalfEdge, MutableDouble> crossedBy = new Cach<>(e -> new MutableDouble(0));
        for (HalfEdge e : f) {
            SuperEdge se = (SuperEdge) e;
            if (se.profLine != null) {
                MegaFacade mf = ((SuperLine) se.profLine).mega;
                if (mf != null)
                    for (Prof p : mf.getTween(se.start, se.end, 0)) {
                        Line proj = new Line(Pointz.to2(p.to3d(p.get(0))), Pointz.to2(p.to3d(p.get(p.size() - 1))));
                        for (HalfEdge e2 : f) {
                            SuperEdge se2 = (SuperEdge) e2;
                            if (se2.profLine == null && (se2.over == null || ((SuperEdge) se2.over).profLine == null) && e2.over != null && e2.line().intersects(proj) != null && Mathz.inRange(e2.line().absAngle(proj), 0.25 * Math.PI, 0.75 * Math.PI)) {
                                crossedBy.get(e2).d += TweedSettings.settings.profileHSampleDist;
                            }
                        }
                    }
            }
        }
        count += crossedBy.cache.size();
        Optional<Map.Entry<HalfEdge, MutableDouble>> longestO = crossedBy.cache.entrySet().stream().filter(// 
        e1 -> ((SuperEdge) e1.getKey()).profLine == null && e1.getValue().d > 0).max((e1, e2) -> Double.compare(e1.getValue().d, e2.getValue().d));
        if (longestO.isPresent()) {
            Map.Entry<HalfEdge, MutableDouble> longest = longestO.get();
            if (longest.getValue().d > 0.6 * longest.getKey().length()) {
                HalfFace tgf = longest.getKey().over.face;
                togo.remove(tgf);
                longest.getKey().face.merge(mesh, tgf);
                ((SuperFace) longest.getKey().face).mergeFrom((SuperFace) tgf);
                togo.add(f);
            }
        }
    }
    System.out.println("found crossings " + count);
    killDoubleEdges(mesh);
}

Example 33 with Line

use of org.twak.utils.Line in project chordatlas by twak.

the class SuperEdge method findRange.

public double[] findRange() {
    if (mini == null || mini.isEmpty() || mini.get(0).imageFeatures == null)
        return null;
    // todo: bad place for this method.
    Line mf = mini.get(0).imageFeatures.mega.megafacade;
    double mfL = mf.length();
    return new double[] { mf.findPPram(start) * mfL, mf.findPPram(end) * mfL };
}

Example 34 with Line

use of org.twak.utils.Line in project chordatlas by twak.

the class VizSkelGen method toHalf.

private SuperFace toHalf(Loop<Point3d> loop) {
    Cache<Point3d, Point2d> look = new Cach<>(x -> Pointz.to2(x));
    HalfEdge last = null, first = null;
    SuperFace out = new SuperFace();
    for (Loopable<Point3d> edge : loop.loopableIterator()) {
        SuperEdge e = new SuperEdge(look.get(edge.get()), look.get(edge.getNext().get()), null);
        if (first == null)
            first = e;
        if (last != null)
            last.next = e;
        e.face = out;
        // !
        e.prof = null;
        e.mini = Collections.EMPTY_LIST;
        if (mode == Mode.Profiles)
            for (Line l : footprint) {
                if (l.absAngle(e.line()) < 0.1 && l.distance(e.start, true) < 1.5 && l.distance(e.end, true) < 1.5) {
                    SuperLine sl = (SuperLine) l;
                    MegaFacade mf = sl.getMega();
                    e.prof = findProf(e.start, e.end, sl, mf);
                }
            }
        last = e;
    }
    last.next = first;
    out.e = first;
    SkelFootprint.meanModeHeightColor(Loopz.toXZLoop(loop), out, blockGen);
    if (mode == Mode.CE) {
        for (HalfEdge ee : out) {
            SuperEdge e = (SuperEdge) ee;
            Matrix4d m = new Matrix4d();
            m.setIdentity();
            e.prof = new Prof(m, new Vector3d());
            e.prof.add(new Point2d(0, 0));
            e.prof.add(new Point2d(0, out.height));
            e.prof.add(new Point2d(-1, out.height + 1));
        }
    }
    return out;
}

Example 35 with Line

use of org.twak.utils.Line in project chordatlas by twak.

the class MiniFacade method getDistance.

@Override
public double getDistance(Point2d pt) {
    pt = flip(pt);
    if (contains(pt))
        return 0;
    double dist = Double.MAX_VALUE;
    for (Bounds b : new Bounds[] { XMIN, YMIN, XMAX, YMAX }) {
        Line l = getAsRect().getEdge(b);
        dist = Math.min(dist, l.distance(pt));
    }
    return dist;
}