def __init__(self, liaison, opts, prefix): SmoothNodes3DBg.__init__(self, liaison, opts) self.prefix = prefix self.liaison = liaison if self.prefix: MeshWriter.writeObject3D(liaison.getOutputMesh(), self.prefix + "0", None)
#4 writeVTK(liaison) opts.clear() opts.put("coplanarity", "0.9") ImproveEdgeConnectivity(liaison, opts).compute() #5 writeVTK(liaison) opts.clear() opts.put("coplanarity", "0.9") opts.put("iterations", str(8)) opts.put("size", str(options.size)) SmoothNodes3DBg(liaison, opts).compute() #6 writeVTK(liaison) opts.clear() opts.put("coplanarity", "0.9") opts.put("expectInsert", "false") SwapEdge(liaison, opts).compute() #7 writeVTK(liaison) opts.clear() opts.put("coplanarity", "0.9") opts.put("size", str(options.size * 0.2))
valenceOptions.put("coplanarity", str(coplanarity)) valenceOptions.put("checkNormals", "false") ImproveVertexValence(liaison, valenceOptions).compute() ## Smooth smoothOptions = HashMap() smoothOptions.put("iterations", str(8)) smoothOptions.put("boundaries", "false") smoothOptions.put("check", "true") smoothOptions.put("size", str(-1.0)) smoothOptions.put("tolerance", str(2.0)) smoothOptions.put("relaxation", str(0.6)) smoothOptions.put("refresh", "false") if (coplanarity >= 0.0): smoothOptions.put("coplanarity", str(coplanarity)) SmoothNodes3DBg(liaison, smoothOptions).compute() ## Remove Degenerated rdOptions = HashMap() rdOptions.put("rho", str(options.eratio)) RemoveDegeneratedTriangles(liaison, rdOptions).compute() ## Remesh beams if options.wire > 0.0: polylines = PolylineFactory(liaison.mesh, 135.0, options.wire*0.2) liaison.mesh.resetBeams() for entry in polylines.entrySet(): groupId = entry.key for polyline in entry.value: listM = ArrayList() for v in polyline:
#4 writeVTK(liaison) opts.clear() opts.put("coplanarity", safe_coplanarity) ImproveEdgeConnectivity(liaison, opts).compute() #5 writeVTK(liaison) opts.clear() opts.put("coplanarity", str(options.coplanarity)) opts.put("iterations", str(8)) opts.put("size", str(options.size)) algo = SmoothNodes3DBg(liaison, opts) algo.analyticMetric = point_metric algo.compute() #6 writeVTK(liaison) opts.clear() opts.put("coplanarity", safe_coplanarity) opts.put("expectInsert", "false") SwapEdge(liaison, opts).compute() #7 writeVTK(liaison) opts.clear()
def __remesh(options): afront_stderr = getattr(options, 'afront_stderr', None) mesh = getattr(options, 'mesh', None) liaison = getattr(options, 'liaison', None) if not liaison: if not mesh: mesh = create_mesh(**options) liaison = MeshLiaison.create(mesh) if options.recordFile: liaison.getMesh().getTrace().setDisabled(False) liaison.getMesh().getTrace().setLogFile(options.recordFile) liaison.getMesh().getTrace().createMesh("mesh", liaison.getMesh()) if options.immutable_border: liaison.mesh.tagFreeEdges(AbstractHalfEdge.IMMUTABLE) liaison.getMesh().buildRidges(options.coplanarity) if options.immutable_border_group: liaison.mesh.tagGroupBoundaries(AbstractHalfEdge.IMMUTABLE) else: if options.preserveGroups: liaison.getMesh().buildGroupBoundaries() immutable_groups = [] if options.immutable_groups_file: immutable_groups = read_groups(options.immutable_groups_file) liaison.mesh.tagGroups(immutable_groups, AbstractHalfEdge.IMMUTABLE) if options.point_metric_file: point_metric = DistanceMetric(options.size, options.point_metric_file) elif getattr(options, 'point_metric', None): point_metric = options.point_metric else: point_metric = None safe_coplanarity = str(max(options.coplanarity, 0.8)) if options.forced_points: if point_metric: vi = VertexInsertion(liaison, point_metric) else: vi = VertexInsertion(liaison, options.size) vi.insertNodes(options.forced_points, -1) Vertex.setMutable(vi.mutableInserted, False) #0 writeVTK(liaison) if options.boundary_angle == None: options.boundary_angle = 1.66 if point_metric: point_metric.scaling = 1 if options.forced_bounds: BeamInsertion(liaison.mesh, point_metric).insert(options.forced_bounds[0], options.forced_bounds[1]) RemeshSkeleton(liaison, options.boundary_angle, options.size / 100.0, point_metric).compute() else: RemeshSkeleton(liaison, options.boundary_angle, options.size / 100.0, options.size).compute() if options.forced_bounds: BeamInsertion(liaison.mesh, options.size).insert(options.forced_bounds[0], options.forced_bounds[1]) #1 writeVTK(liaison) opts = HashMap() opts.put("coplanarity", safe_coplanarity) # Swapping here will help QEMDecimateHalfEdge to decimate more and will # reduce the risk to have edge not processed by LengthDecimateHalfEdge algo = SwapEdge(liaison, opts) algo.maxSwapVolume = (options.size / 4.0)**3 algo.compute() #2 writeVTK(liaison) if options.recordFile: cmds = [ String("assert self.m.checkNoDegeneratedTriangles()"), String("assert self.m.checkNoInvertedTriangles()"), String("assert self.m.checkVertexLinks()"), String("assert self.m.isValid()") ] liaison.getMesh().getTrace().setHooks(cmds) opts.clear() opts.put("coplanarity", str(options.coplanarity)) opts.put("size", str(options.size * 0.3)) opts.put("maxlength", str(options.size * sqrt(2))) algo = QEMDecimateHalfEdge(liaison, opts) if point_metric: point_metric.scaling = sqrt(2) algo.analyticMetric = point_metric algo.compute() #3 writeVTK(liaison) opts.clear() opts.put("size", str(options.size)) opts.put("freeEdgesOnly", "true") opts.put("coplanarity", "-2") algo = LengthDecimateHalfEdge(liaison, opts) if point_metric: algo.analyticMetric = point_metric algo.compute() #4 # afront call writeVTK(liaison) afront_nodes_reader = None afront_frozen = None if options.afront_path: tmp_dir = tempfile.mkdtemp() afront_nodes_reader = afront(options.afront_path, tmp_dir, liaison.mesh, options.size, point_metric, immutable_groups, afront_stderr=afront_stderr) afront_frozen = afront_insert(liaison, afront_nodes_reader, options.size, point_metric) Vertex.setMutable(afront_frozen, False) #5 writeVTK(liaison) if options.afront_path: opts.clear() opts.put("coplanarity", safe_coplanarity) SwapEdge(liaison, opts).compute() #6 writeVTK(liaison) opts.clear() opts.put("size", str(options.size)) opts.put("coplanarity", str(options.coplanarity)) opts.put("minCosAfterSwap", "0.3") opts.put("nearLengthRatio", "0.6") algo = Remesh(liaison, opts) if point_metric: point_metric.scaling = 1 algo.analyticMetric = point_metric algo.compute() #7 writeVTK(liaison) opts.clear() opts.put("coplanarity", safe_coplanarity) SwapEdge(liaison, opts).compute() #8 writeVTK(liaison) opts.clear() opts.put("coplanarity", str(options.coplanarity)) opts.put("iterations", "2") opts.put("size", str(options.size)) algo = SmoothNodes3DBg(liaison, opts) algo.compute() #9 writeVTK(liaison) opts.clear() opts.put("coplanarity", str(options.coplanarity)) opts.put("minCosAfterSwap", "0.3") SwapEdge(liaison, opts).compute() #10 writeVTK(liaison) if not options.afront_path: opts.clear() opts.put("size", str(options.size)) algo = Remesh(liaison, opts) algo.analyticMetric = point_metric algo.compute() #11 writeVTK(liaison) opts.clear() opts.put("coplanarity", str(options.coplanarity)) opts.put("size", str(options.size * 0.3)) opts.put("maxlength", str(options.size * sqrt(2))) #workaround for a QEMDecimateHalfEdge bug opts.put("freezeNonManifold", "true") algo = QEMDecimateHalfEdge(liaison, opts) if point_metric: point_metric.scaling = sqrt(2) algo.analyticMetric = point_metric algo.compute() #12 writeVTK(liaison) opts.clear() opts.put("coplanarity", str(options.coplanarity)) opts.put("minCosAfterSwap", "0.3") SwapEdge(liaison, opts).compute() #13 writeVTK(liaison) if afront_frozen: Vertex.setMutable(afront_frozen, True) opts.clear() opts.put("checkNormals", "false") ImproveVertexValence(liaison, opts).compute() #14 writeVTK(liaison) opts.clear() opts.put("coplanarity", safe_coplanarity) opts.put("iterations", str(8)) algo = SmoothNodes3DBg(liaison, opts) algo.compute() #15 writeVTK(liaison) #MeshWriter.writeObject3D(liaison.mesh, outDir, "" polylines = PolylineFactory(liaison.mesh, 135.0, options.size * 0.2) liaison.mesh.resetBeams() for entry in polylines.entrySet(): groupId = entry.key for polyline in entry.value: listM = ArrayList() for v in polyline: listM.add(EuclidianMetric3D(options.size)) #print "Remesh polyline of group "+str(groupId)+"/"+str(polylines.size())+" "+str(polyline.size())+" vertices" if liaison.mesh.getGroupName(groupId) in immutable_groups: result = polyline else: result = RemeshPolyline(liaison.mesh, polyline, listM).compute() for i in xrange(result.size() - 1): liaison.mesh.addBeam(result.get(i), result.get(i + 1), groupId) #print " New polyline: "+str(result.size())+" vertices" if options.recordFile: liaison.getMesh().getTrace().finish() if options.post_script: execfile(options.post_script) MeshWriter.writeObject3D(liaison.mesh, options.out_dir, "")
liaison.getMesh().getTrace().setDisabled(False) liaison.getMesh().getTrace().setLogFile(options.recordFile) liaison.getMesh().getTrace().createMesh("mesh", liaison.getMesh()) if options.immutable_border: liaison.mesh.tagFreeEdges(AbstractHalfEdge.IMMUTABLE) if options.coplanarity: liaison.getMesh().buildRidges(options.coplanarity) if options.preserveGroups: liaison.getMesh().buildGroupBoundaries() opts = HashMap() opts.put("iterations", str(options.iterations)) opts.put("boundaries", str(options.boundaries)) opts.put("check", str(options.check)) opts.put("size", str(options.size)) opts.put("tolerance", str(options.tolerance)) opts.put("relaxation", str(options.relaxation)) opts.put("refresh", str(options.refresh)) if (options.coplanarity >= 0.0): opts.put("coplanarity", str(options.coplanarity)) if options.prefix: sm = MySmoothNodes3DBg(liaison, opts, options.prefix) else: sm = SmoothNodes3DBg(liaison, opts) sm.setProgressBarStatus(10000) sm.compute() if options.recordFile: liaison.getMesh().getTrace().finish() MeshWriter.writeObject3D(sm.getOutputMesh(), outDir, String())
def remesh(**kwargs): """ Remesh an existing mesh with a singular analytical metric """ # Process coplanarity options coplanarity = cos(kwargs["coplanarityAngle"] * pi / 180.0) if kwargs["coplanarity"]: coplanarity = kwargs["coplanarity"] safe_coplanarity = kwargs["safe_coplanarity"] if safe_coplanarity is None: safe_coplanarity = 0.8 safe_coplanarity = max(coplanarity, safe_coplanarity) # Build background mesh try: liaison = kwargs["liaison"] except KeyError: mtb = MeshTraitsBuilder.getDefault3D() if kwargs["recordFile"]: mtb.addTraceRecord() mtb.addNodeSet() mesh = Mesh(mtb) if kwargs["recordFile"]: mesh.getTrace().setDisabled(True) MeshReader.readObject3D(mesh, kwargs["in_dir"]) liaison = MeshLiaison.create(mesh, mtb) if kwargs["recordFile"]: liaison.getMesh().getTrace().setDisabled(False) liaison.getMesh().getTrace().setLogFile(kwargs["recordFile"]) liaison.getMesh().getTrace().createMesh("mesh", liaison.getMesh()) if kwargs["immutable_border"]: liaison.mesh.tagFreeEdges(AbstractHalfEdge.IMMUTABLE) liaison.getMesh().buildRidges(coplanarity) if kwargs["preserveGroups"]: liaison.getMesh().buildGroupBoundaries() immutable_groups = [] if kwargs["immutable_groups_file"]: f = open(kwargs["immutable_groups_file"]) immutable_groups = f.read().split() f.close() liaison.mesh.tagGroups(immutable_groups, AbstractHalfEdge.IMMUTABLE) if kwargs["recordFile"]: cmds = [ String("assert self.m.checkNoDegeneratedTriangles()"), String("assert self.m.checkNoInvertedTriangles()"), String("assert self.m.checkVertexLinks()"), String("assert self.m.isValid()"), ] liaison.getMesh().getTrace().setHooks(cmds) # Decimate if kwargs["decimateSize"] or kwargs["decimateTarget"]: decimateOptions = HashMap() if kwargs["decimateSize"]: decimateOptions.put("size", str(kwargs["decimateSize"])) elif kwargs["decimateTarget"]: decimateOptions.put("maxtriangles", str(kwargs["decimateTarget"])) decimateOptions.put("coplanarity", str(safe_coplanarity)) QEMDecimateHalfEdge(liaison, decimateOptions).compute() swapOptions = HashMap() swapOptions.put("coplanarity", str(safe_coplanarity)) SwapEdge(liaison, swapOptions).compute() # Metric if kwargs["rho"] > 1.0: # mixed metric metric = SingularMetric(kwargs["sizeinf"], kwargs["point_metric_file"], kwargs["rho"], True) else: # analytic metric metric = SingularMetric(kwargs["sizeinf"], kwargs["point_metric_file"]) # Remesh Skeleton if kwargs["skeleton"]: RemeshSkeleton(liaison, 1.66, metric, 0.01).compute() # Remesh refineOptions = HashMap() refineOptions.put("size", str(kwargs["sizeinf"])) refineOptions.put("coplanarity", str(safe_coplanarity)) refineOptions.put("nearLengthRatio", str(kwargs["nearLengthRatio"])) refineOptions.put("project", "false") if kwargs["allowNearNodes"]: refineOptions.put("allowNearNodes", "true") refineAlgo = Remesh(liaison, refineOptions) refineAlgo.setAnalyticMetric(metric) refineAlgo.compute() if not kwargs["noclean"]: # Swap swapOptions = HashMap() swapOptions.put("coplanarity", str(safe_coplanarity)) swapOptions.put("minCosAfterSwap", "0.3") SwapEdge(liaison, swapOptions).compute() # Improve valence valenceOptions = HashMap() valenceOptions.put("coplanarity", str(safe_coplanarity)) valenceOptions.put("checkNormals", "false") ImproveVertexValence(liaison, valenceOptions).compute() # Smooth smoothOptions = HashMap() smoothOptions.put("iterations", str(8)) smoothOptions.put("check", "true") smoothOptions.put("boundaries", "true") smoothOptions.put("relaxation", str(0.6)) if safe_coplanarity >= 0.0: smoothOptions.put("coplanarity", str(safe_coplanarity)) SmoothNodes3DBg(liaison, smoothOptions).compute() # Remove Degenerated rdOptions = HashMap() rdOptions.put("rho", str(kwargs["eratio"])) RemoveDegeneratedTriangles(liaison, rdOptions).compute() # remesh beams if kwargs["wire_size"] > 0.0: liaison = remesh_beams( liaison=liaison, size=kwargs["wire_size"], rho=kwargs["rho"], immutable_groups=immutable_groups, point_metric_file=kwargs["wire_metric_file"], ) # Output MeshWriter.writeObject3D(liaison.getMesh(), kwargs["out_dir"], "") if kwargs["recordFile"]: liaison.getMesh().getTrace().finish()
valenceOptions.put("coplanarity", str(coplanarity)) valenceOptions.put("checkNormals", "false") ImproveVertexValence(liaison, valenceOptions).compute() ## Smooth smoothOptions = HashMap() smoothOptions.put("iterations", str(8)) smoothOptions.put("boundaries", "false") smoothOptions.put("check", "true") smoothOptions.put("size", str(-1.0)) smoothOptions.put("tolerance", str(2.0)) smoothOptions.put("relaxation", str(0.6)) smoothOptions.put("refresh", "false") if (coplanarity >= 0.0): smoothOptions.put("coplanarity", str(coplanarity)) smoothAlgo = SmoothNodes3DBg(liaison, smoothOptions) smoothAlgo.compute() ## Remesh beams if options.wire > 0.0: polylines = PolylineFactory(liaison.mesh, 135.0, options.wire*0.2) liaison.mesh.resetBeams() for entry in polylines.entrySet(): groupId = entry.key for polyline in entry.value: listM = ArrayList() for v in polyline: listM.add(EuclidianMetric3D(options.wire)) if liaison.mesh.getGroupName(groupId) in immutable_groups: result = polyline else:
def clean(**kwargs): """Clean a mesh """ # Process coplanarity options coplanarity = -2.0 if kwargs['coplanarityAngle'] > 0: coplanarity = cos(kwargs['coplanarityAngle'] * pi / 180.) if kwargs['coplanarity']: coplanarity = kwargs['coplanarity'] safe_coplanarity = kwargs['safe_coplanarity'] if safe_coplanarity is None: safe_coplanarity = 0.8 safe_coplanarity = str(max(coplanarity, safe_coplanarity)) # Build background mesh try: liaison = kwargs['liaison'] except KeyError: mtb = MeshTraitsBuilder.getDefault3D() if kwargs['recordFile']: mtb.addTraceRecord() mtb.addNodeSet() mesh = Mesh(mtb) if kwargs['recordFile']: mesh.getTrace().setDisabled(True) MeshReader.readObject3D(mesh, kwargs['in_dir']) liaison = MeshLiaison.create(mesh, mtb) if kwargs['recordFile']: liaison.getMesh().getTrace().setDisabled(False) liaison.getMesh().getTrace().setLogFile(kwargs['recordFile']) liaison.getMesh().getTrace().createMesh("mesh", liaison.getMesh()) if kwargs['immutable_border']: liaison.mesh.tagFreeEdges(AbstractHalfEdge.IMMUTABLE) liaison.getMesh().buildRidges(coplanarity) if kwargs['preserveGroups']: liaison.getMesh().buildGroupBoundaries() immutable_groups = [] if kwargs['immutable_groups_file']: f = open(kwargs['immutable_groups_file']) immutable_groups = f.read().split() f.close() liaison.mesh.tagGroups(immutable_groups, AbstractHalfEdge.IMMUTABLE) if kwargs['recordFile']: cmds = [ String("assert self.m.checkNoDegeneratedTriangles()"), String("assert self.m.checkNoInvertedTriangles()"), String("assert self.m.checkVertexLinks()"), String("assert self.m.isValid()") ] liaison.getMesh().getTrace().setHooks(cmds) # Swap swapOptions = HashMap() swapOptions.put("coplanarity", str(safe_coplanarity)) swapOptions.put("minCosAfterSwap", "0.3") SwapEdge(liaison, swapOptions).compute() # Improve valence valenceOptions = HashMap() valenceOptions.put("coplanarity", str(safe_coplanarity)) valenceOptions.put("checkNormals", "false") ImproveVertexValence(liaison, valenceOptions).compute() # Smooth smoothOptions = HashMap() smoothOptions.put("iterations", str(8)) smoothOptions.put("check", "true") smoothOptions.put("boundaries", "true") smoothOptions.put("relaxation", str(0.6)) if (safe_coplanarity >= 0.0): smoothOptions.put("coplanarity", str(safe_coplanarity)) SmoothNodes3DBg(liaison, smoothOptions).compute() # Remove Degenerated rdOptions = HashMap() rdOptions.put("rho", str(kwargs['eratio'])) RemoveDegeneratedTriangles(liaison, rdOptions).compute() # Output MeshWriter.writeObject3D(liaison.getMesh(), kwargs['out_dir'], "") if kwargs['recordFile']: liaison.getMesh().getTrace().finish()