def run_gmsh(self):
QApplication.setOverrideCursor(Qt.WaitCursor)
part = self.obj.Part
if self.mesh_obj.MeshRegionList:
if part.Shape.ShapeType == "Compound" and hasattr(part, "Proxy"): # other part obj might not have a Proxy, thus an exception would be raised
if (part.Proxy.Type == "FeatureBooleanFragments" or part.Proxy.Type == "FeatureSlice" or part.Proxy.Type == "FeatureXOR"):
error_message = "The mesh to shape is a boolean split tools Compound and the mesh has mesh region list. Gmsh could return unexpected meshes in such circumstances. It is strongly recommended to extract the shape to mesh from the Compound and use this one."
QtGui.QMessageBox.critical(None, "Shape to mesh is a BooleanFragmentsCompound and mesh regions are defined", error_message)
self.Start = time.time()
self.form.l_time.setText('Time: {0:4.1f}: '.format(time.time() - self.Start))
self.console_message_gmsh = ''
self.gmsh_runs = True
self.console_log("We are going to start ...")
self.get_active_analysis()
import femmesh.gmshtools as gmshtools
gmsh_mesh = gmshtools.GmshTools(self.obj, self.analysis)
self.console_log("Start Gmsh ...")
error = ''
try:
error = gmsh_mesh.create_mesh()
except:
import sys
print("Unexpected error when creating mesh: ", sys.exc_info()[0])
if error:
print(error)
self.console_log('Gmsh had warnings ...')
self.console_log(error, '#FF0000')
else:
self.console_log('Clean run of Gmsh')
self.console_log("Gmsh done!")
self.form.l_time.setText('Time: {0:4.1f}: '.format(time.time() - self.Start))
self.Timer.stop()
self.update()
QApplication.restoreOverrideCursor()
def get_gmsh_version(self):
from femmesh import gmshtools
version, full_message = gmshtools.GmshTools(self.mesh_obj, self.analysis).get_gmsh_version()
QtGui.QMessageBox.information(
None,
"Gmsh - Information",
full_message
)
def run_gmsh(self):
QApplication.setOverrideCursor(Qt.WaitCursor)
part = self.mesh_obj.Part
if (
self.mesh_obj.MeshRegionList and part.Shape.ShapeType == "Compound"
and (
is_of_type(part, "FeatureBooleanFragments")
or is_of_type(part, "FeatureSlice")
or is_of_type(part, "FeatureXOR")
)
):
error_message = (
"The shape to mesh is a boolean split tools Compound "
"and the mesh has mesh region list. "
"Gmsh could return unexpected meshes in such circumstances. "
"It is strongly recommended to extract the shape "
"to mesh from the Compound and use this one."
)
qtbox_title = (
"Shape to mesh is a BooleanFragmentsCompound "
"and mesh regions are defined"
)
QtGui.QMessageBox.critical(
None,
qtbox_title,
error_message
)
self.Start = time.time()
self.form.l_time.setText("Time: {0:4.1f}: ".format(time.time() - self.Start))
self.console_message_gmsh = ""
self.gmsh_runs = True
self.console_log("We are going to start ...")
self.get_active_analysis()
from femmesh import gmshtools
gmsh_mesh = gmshtools.GmshTools(self.mesh_obj, self.analysis)
self.console_log("Start Gmsh ...")
error = ""
try:
error = gmsh_mesh.create_mesh()
except Exception:
error = sys.exc_info()[1]
FreeCAD.Console.PrintMessage(
"Unexpected error when creating mesh: {}\n"
.format(error)
)
if error:
FreeCAD.Console.PrintMessage("Gmsh had warnings ...\n")
FreeCAD.Console.PrintMessage("{}\n".format(error))
self.console_log("Gmsh had warnings ...")
self.console_log(error, "#FF0000")
else:
FreeCAD.Console.PrintMessage("Clean run of Gmsh\n")
self.console_log("Clean run of Gmsh")
self.console_log("Gmsh done!")
self.form.l_time.setText("Time: {0:4.1f}: ".format(time.time() - self.Start))
self.Timer.stop()
self.update()
QApplication.restoreOverrideCursor()
def get_gmsh_version(self):
from femmesh import gmshtools
version, full_message = gmshtools.GmshTools(
self.mesh_obj, self.analysis).get_gmsh_version()
if version[0] and version[1] and version[2]:
messagebox = QtGui.QMessageBox.information
else:
messagebox = QtGui.QMessageBox.warning
messagebox(None, "Gmsh - Information", full_message)
def _exportToUnv(self, groups, mesh, meshPath):
unvGmshFd, unvGmshPath = tempfile.mkstemp(suffix=".unv")
brepFd, brepPath = tempfile.mkstemp(suffix=".brep")
geoFd, geoPath = tempfile.mkstemp(suffix=".geo")
os.close(brepFd)
os.close(geoFd)
os.close(unvGmshFd)
tools = gmshtools.GmshTools(mesh)
tools.group_elements = {g: [g] for g in groups}
tools.group_nodes_export = False
tools.ele_length_map = {}
tools.temp_file_geometry = brepPath
tools.temp_file_geo = geoPath
tools.temp_file_mesh = unvGmshPath
tools.get_dimension()
tools.get_region_data()
tools.get_boundary_layer_data()
tools.write_part_file()
tools.write_geo()
if self.testmode:
Console.PrintMessage(
"Solver Elmer testmode, Gmsh will not be used. "
"It might not be installed.\n")
import shutil
shutil.copyfile(geoPath,
os.path.join(self.directory, "group_mesh.geo"))
else:
tools.get_gmsh_command()
tools.run_gmsh_with_geo()
ioMesh = Fem.FemMesh()
ioMesh.read(unvGmshPath)
ioMesh.write(meshPath)
os.remove(brepPath)
os.remove(geoPath)
os.remove(unvGmshPath)
def create_mesh(self):
self.mesh = ObjectsFem.makeMeshGmsh(self.doc, "Mesh")
self.doc.Mesh.Part = self.doc.Geometry
g = gmshtools.GmshTools(self.doc.Mesh)
g.create_mesh()
self.analysis.addObject(self.mesh)
