Examples with MegaFacade org.twak.tweed.gen.ProfileGen.MegaFacade used on opensource projects

Example 1 with MegaFacade

use of org.twak.tweed.gen.ProfileGen.MegaFacade in project chordatlas by twak.

the class SkelFootprint method assignGreedyProfiles.

private static void assignGreedyProfiles(SolverState SS) {
    Prof defaultProf = defaultProf(null);
    for (HalfFace f : SS.mesh) for (List<HalfEdge> le : f.parallelFaces(0.1)) {
        List<Prof> profs = new ArrayList();
        for (HalfEdge he : le) {
            SuperLine sl = ((SuperEdge) he).profLine;
            if (sl != null) {
                MegaFacade mf = sl.getMega();
                if (mf != null)
                    profs.addAll(mf.getTween(he.start, he.end, 0));
            }
        }
        Prof p = null;
        if (!profs.isEmpty())
            p = Prof.parameterize(profs);
        else
            p = defaultProf;
        for (HalfEdge he : le) ((SuperEdge) he).prof = p;
    }
}

Example 2 with MegaFacade

use of org.twak.tweed.gen.ProfileGen.MegaFacade 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 3 with MegaFacade

use of org.twak.tweed.gen.ProfileGen.MegaFacade 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 4 with MegaFacade

use of org.twak.tweed.gen.ProfileGen.MegaFacade in project chordatlas by twak.

the class SkelFootprint method profileRuns.

private static void profileRuns(SuperLine sl, MultiMap<SuperLine, List<Prof>> profSets) {
    MegaFacade mf = sl.getMega();
    Cache<Integer, Double> distance2Next = new Cache<Integer, Double>() {

        @Override
        public Double create(Integer i) {
            Prof pc = mf.profiles.get(i), pn = mf.profiles.get(i + 1);
            if (pc == null || pn == null)
                return 1e6;
            return pc.distance(pn, true, false, false);
        }
    };
    // i -> mf.profiles.get( i ).distance( mf.profiles.get(i+1), true ));
    int start = mf.hExtentMin;
    for (int i = mf.hExtentMin; i < mf.hExtentMax; i++) {
        if (distance2Next.get(i) > 4 || i == mf.hExtentMax - 1) {
            // if ( (Math.random() > 0.95 || i == mf.hExtentMax - 1)  ){//0.5 / ProfileGen.HORIZ_SAMPLE_DIST) {
            if (i - start > 0.5 / TweedSettings.settings.profileHSampleDist) {
                List<Prof> lp = IntStream.range(start, i + 1).mapToObj(p -> mf.profiles.get(p)).filter(p -> p != null).collect(Collectors.toList());
                if (lp != null && !lp.isEmpty())
                    profSets.put(sl, lp);
            }
            start = i + 1;
        // i++;
        // }
        }
    }
// System.out.println( (mf.hExtentMax - mf.hExtentMin)+  " mm " + min+ " / " + max +" found " + profSets.size() );
}

Example 5 with MegaFacade

use of org.twak.tweed.gen.ProfileGen.MegaFacade in project chordatlas by twak.

the class SkelFootprint method buildFootprint.

public SolverState buildFootprint(List<Line> footprint, ProgressMonitor m, FeatureCache features, BlockGen blockGen) {
    MultiMap<MegaFeatures, MFPoint> minis = features == null ? null : features.createMinis(blockGen);
    Map<SuperEdge, double[]> profFit = new HashMap();
    HalfMesh2 mesh = boundMesh(footprint);
    globalProfs = null;
    Collections.sort(footprint, megaAreaComparator);
    for (Line l : footprint) {
        MegaFacade mf = ((SuperLine) l).getMega();
        if (mf.area < megaFacadeAreaThreshold)
            break;
        insert(mesh, l, 2, true, true);
        if (m.isCanceled())
            return null;
    }
    if (features != null)
        fractureOnFeatures(minis, footprint, mesh);
    m.setProgress(2);
    if (!TweedSettings.settings.useGreedyProfiles) {
        globalProfs = new ArrayList();
        findProfiles(footprint, globalProfs);
        calcProfFit(mesh, globalProfs, profFit, m);
    }
    if (FALSE && profMergeTol > 0)
        mergeOnProfiles(mesh, footprint);
    if (exitA)
        return new SolverState(mesh, minis, globalProfs, profFit, footprint);
    System.out.println("sampling...");
    for (HalfFace f : mesh) meanModeHeightColor(Loopz.from(f), (SuperFace) f, blockGen);
    pushHeightsToSmallFaces(mesh);
    for (HalfFace f : new ArrayList<>(mesh.faces)) {
        SuperFace sf = (SuperFace) f;
        if (sf.height < heightCutoff)
            sf.remove(mesh);
    }
    removeExposedFaces(mesh);
    return new SolverState(mesh, minis, globalProfs, profFit, footprint);
}