def create_mesh(**kwargs):
mtb = MeshTraitsBuilder.getDefault3D()
if kwargs.get('recordFile'):
mtb.addTraceRecord()
mtb.addNodeSet()
mesh = Mesh(mtb)
if kwargs.get('recordFile'):
mesh.getTrace().setDisabled(True)
MeshReader.readObject3D(mesh, kwargs['in_dir'])
return mesh
def create_mesh(**kwargs):
mtb = MeshTraitsBuilder.getDefault3D()
if kwargs.get('recordFile'):
mtb.addTraceRecord()
mtb.addNodeSet()
mesh = Mesh(mtb)
if kwargs.get('recordFile'):
mesh.getTrace().setDisabled(True)
MeshReader.readObject3D(mesh, kwargs['in_dir'])
return mesh
def remesh(**kwargs):
"""Remesh beams of an existing mesh with a singular analytical metric
It is necessary to remove J_ and G_ groups for wires.
"""
# Build background mesh
try:
liaison = kwargs["liaison"]
except KeyError:
mtb = MeshTraitsBuilder.getDefault3D()
mtb.addNodeSet()
mesh = Mesh(mtb)
MeshReader.readObject3D(mesh, kwargs["in_dir"])
liaison = MeshLiaison.create(mesh, mtb)
immutable_groups = list()
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)
liaison = remesh_beams(liaison, kwargs["size"], kwargs["rho"], immutable_groups, kwargs["point_metric_file"])
# Output
MeshWriter.writeObject3D(liaison.getMesh(), kwargs["out_dir"], "")
if len(args) != 2:
parser.print_usage()
sys.exit(1)
xmlDir = args[0]
outDir = args[1]
mtb = MeshTraitsBuilder.getDefault3D()
if options.recordFile:
mtb.addTraceRecord()
mtb.addNodeSet()
mesh = Mesh(mtb)
if options.recordFile:
mesh.getTrace().setDisabled(True)
MeshReader.readObject3D(mesh, xmlDir)
liaison = MeshLiaison.create(mesh, mtb)
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)
if options.coplanarity:
liaison.getMesh().buildRidges(options.coplanarity)
if options.preserveGroups:
liaison.getMesh().buildGroupBoundaries()
if options.recordFile:
cmds = [ String("assert self.m.checkNoDegeneratedTriangles()"), String("assert self.m.checkNoInvertedTriangles()"), String("assert self.m.checkVertexLinks()"), String("assert self.m.isValid()") ]
help=
"minimum dot product of face normals when building feature edges (default 0.95)"
)
(options, args) = parser.parse_args(args=sys.argv[1:])
if len(args) != 2:
parser.print_usage()
sys.exit(1)
xmlDir = args[0]
outDir = args[1]
mtb = MeshTraitsBuilder.getDefault3D()
mtb.addNodeSet()
mesh = Mesh(mtb)
MeshReader.readObject3D(mesh, xmlDir)
liaison = MeshLiaison.create(mesh, mtb)
if options.coplanarity:
liaison.getMesh().buildRidges(options.coplanarity)
if options.preserveGroups:
liaison.getMesh().buildGroupBoundaries()
opts = HashMap()
if options.coplanarity:
opts.put("coplanarity", str(options.coplanarity))
opts.put("checkNormals", str("false"))
ImproveVertexValence(liaison, opts).compute()
MeshWriter.writeObject3D(liaison.getMesh(), outDir, String())
def read_mesh(path):
mtb = MeshTraitsBuilder.getDefault3D()
mtb.addNodeSet()
mesh = Mesh(mtb)
MeshReader.readObject3D(mesh, path)
return mesh
def read_mesh(path):
mtb = MeshTraitsBuilder.getDefault3D()
mtb.addNodeSet()
mesh = Mesh(mtb)
MeshReader.readObject3D(mesh, path)
return mesh
help="dot product of face normals to detect feature edges")
(options, args) = parser.parse_args(args=sys.argv[1:])
if len(args) != 2:
parser.print_usage()
sys.exit(1)
xmlDir = args[0]
outDir = args[1]
# Original mesh will be treated as a background mesh
background_mtb = MeshTraitsBuilder.getDefault3D()
background_mtb.addNodeSet()
background_mesh = Mesh(background_mtb)
MeshReader.readObject3D(background_mesh, xmlDir)
if options.coplanarity:
background_mesh.buildRidges(options.coplanarity)
# New mesh must not have connectivity
new_mtb = MeshTraitsBuilder()
new_mtb.addTriangleList()
new_mtb.addNodeList()
new_mesh = Mesh(new_mtb)
for point in background_mesh.getNodes():
new_mesh.add(point)
# Split triangles into 4 new triangles
mapSeenTriangles = {}
for triangle in background_mesh.getTriangles():
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()
help="dot product of face normals to detect feature edges")
(options, args) = parser.parse_args(args=sys.argv[1:])
if len(args) != 2:
parser.print_usage()
sys.exit(1)
xmlDir = args[0]
outDir = args[1]
# Original mesh will be treated as a background mesh
background_mtb = MeshTraitsBuilder.getDefault3D()
background_mtb.addNodeSet()
background_mesh = Mesh(background_mtb)
MeshReader.readObject3D(background_mesh, xmlDir)
if options.coplanarity:
background_mesh.buildRidges(options.coplanarity)
# New mesh must not have connectivity
new_mtb = MeshTraitsBuilder()
new_mtb.addTriangleList()
new_mtb.addNodeList()
new_mesh = Mesh(new_mtb)
for point in background_mesh.getNodes():
new_mesh.add(point)
# Split triangles into 4 new triangles
mapSeenTriangles = {}
for triangle in background_mesh.getTriangles():
from java.lang import String
# Python
import sys, os
from optparse import OptionParser
"""
Extract specified groups from a mesh
"""
cmd=("extract ", "<inputDir> <outputDir> <groupName> [<groupName>...]", "Extract specified groups")
parser = OptionParser(usage="amibebatch %s [OPTIONS] %s\n\n%s" % cmd,
prog="extract")
(options, args) = parser.parse_args(args=sys.argv[1:])
if len(args) < 3:
parser.print_usage()
sys.exit(1)
xmlDir = args[0]
outDir = args[1]
s = SubMeshWorker(xmlDir)
groups = args[2:]
extractedDir = s.extractGroups(groups)
m = Mesh()
MeshReader.readObject3D(m, extractedDir)
MeshWriter.writeObject3D(m, outDir, String())
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()
