mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-14 03:14:23 +00:00
335 lines
13 KiB
Python
335 lines
13 KiB
Python
|
import os
|
||
|
|
import time
|
||
|
|
import json
|
||
|
|
import salome
|
||
|
|
import salome_notebook
|
||
|
|
import salome_version
|
||
|
|
from pprint import pprint
|
||
|
|
|
||
|
|
class MODEL(object):
|
||
|
|
def __init__(self, filename, meshSize):
|
||
|
|
self.filename = filename
|
||
|
|
self.meshSize = meshSize
|
||
|
|
self.tolLoc = 0
|
||
|
|
self.mesh = None
|
||
|
|
self.create(filename)
|
||
|
|
|
||
|
|
def getGroupName(self, name):
|
||
|
|
info = name.split('|')
|
||
|
|
sortName = ''.join(c for c in info[0] if c.isupper())
|
||
|
|
return str(sortName + '_' + info[1])
|
||
|
|
|
||
|
|
def makePoint(self, pl):
|
||
|
|
'''Function to define a Point from
|
||
|
|
a polyline (list of 1 point)'''
|
||
|
|
|
||
|
|
(x, y, z) = pl
|
||
|
|
return self.geompy.MakeVertex(x, y, z)
|
||
|
|
|
||
|
|
def makeLine(self, pl):
|
||
|
|
'''Function to define a Line from
|
||
|
|
a polyline (list of 2 points)'''
|
||
|
|
|
||
|
|
(x, y, z) = pl[0]
|
||
|
|
P1 = self.geompy.MakeVertex(x, y, z)
|
||
|
|
(x, y, z) = pl[1]
|
||
|
|
P2 = self.geompy.MakeVertex(x, y, z)
|
||
|
|
|
||
|
|
return self.geompy.MakeLineTwoPnt(P1, P2)
|
||
|
|
|
||
|
|
def makeFace(self, pl):
|
||
|
|
'''Function to define a Face from
|
||
|
|
a polyline (list of points)'''
|
||
|
|
|
||
|
|
pointList = [None for _ in range(len(pl))]
|
||
|
|
for ip, (x, y, z) in enumerate(pl):
|
||
|
|
pointList[ip] = self.geompy.MakeVertex(x, y, z)
|
||
|
|
|
||
|
|
LineList = [None for _ in range(len(pl))]
|
||
|
|
for ip, P2 in enumerate(pointList):
|
||
|
|
P1 = pointList[ip - 1]
|
||
|
|
LineList[ip] = self.geompy.MakeLineTwoPnt(P1, P2)
|
||
|
|
|
||
|
|
return self.geompy.MakeFaceWires(LineList, 1)
|
||
|
|
|
||
|
|
def makeObject(self, geometry, geometryType):
|
||
|
|
if geometryType == 'point':
|
||
|
|
return self.makePoint(geometry)
|
||
|
|
if geometryType == 'line':
|
||
|
|
return self.makeLine(geometry)
|
||
|
|
if geometryType == 'surface':
|
||
|
|
return self.makeFace(geometry)
|
||
|
|
|
||
|
|
def makePartition(self, objects, geometryType):
|
||
|
|
if geometryType == 'point':
|
||
|
|
shapeType = 'VERTEX'
|
||
|
|
if geometryType == 'line':
|
||
|
|
shapeType = 'EDGE'
|
||
|
|
if geometryType == 'surface':
|
||
|
|
shapeType = 'FACE'
|
||
|
|
return self.geompy.MakePartition(objects, [], [], [], self.geompy.ShapeType[shapeType], 0, [], 1)
|
||
|
|
|
||
|
|
def findIntersection(self, geometry, ecc):
|
||
|
|
# TO DO: implement a more general procedure - understand better how it works
|
||
|
|
if ecc['inX'] >= 0:
|
||
|
|
return geometry[1]
|
||
|
|
else:
|
||
|
|
return geometry[0]
|
||
|
|
# elemLength = self.length(geometry)
|
||
|
|
# pLocal = [
|
||
|
|
# (ecc['pointOnElement'][0] - ecc['inX']) / elemLength,
|
||
|
|
# (ecc['pointOnElement'][1] - ecc['inY']) / elemLength,
|
||
|
|
# (ecc['pointOnElement'][2] - ecc['inZ']) / elemLength
|
||
|
|
# ]
|
||
|
|
# pLocalX = pLocal[0]
|
||
|
|
#
|
||
|
|
# if abs(pLocalX) < self.tolLoc*100:
|
||
|
|
# return geometry[0]
|
||
|
|
# elif abs(pLocalX - 1) < self.tolLoc*100:
|
||
|
|
# return geometry[1]
|
||
|
|
# elif pLocalX > 0 and pLocalX < 1:
|
||
|
|
# return [
|
||
|
|
# (1 - pLocalX) * geometry[0][0] + pLocalX * geometry[1][0],
|
||
|
|
# (1 - pLocalX) * geometry[0][1] + pLocalX * geometry[1][1],
|
||
|
|
# (1 - pLocalX) * geometry[0][2] + pLocalX * geometry[1][2]
|
||
|
|
# ]
|
||
|
|
# else:
|
||
|
|
# pprint('Warning: Connection point not identified with a tight tolerance.')
|
||
|
|
# pprint('Tolerance needed is: %.2f' % max(abs(pLocalX), abs(pLocalX - 1)))
|
||
|
|
# tolMax = 0.1
|
||
|
|
# if abs(pLocalX) < tolMax:
|
||
|
|
# return geometry[0]
|
||
|
|
# elif abs(pLocalX - 1) < tolMax:
|
||
|
|
# return geometry[1]
|
||
|
|
# else:
|
||
|
|
# pprint('Error: Connection point not identified with a tolerance of 10%')
|
||
|
|
|
||
|
|
def length(self, geometry):
|
||
|
|
return ((
|
||
|
|
(geometry[1][0] - geometry[0][0]) ** 2 + \
|
||
|
|
(geometry[1][1] - geometry[0][1]) ** 2 + \
|
||
|
|
(geometry[1][2] - geometry[0][2]) ** 2 \
|
||
|
|
) ** 0.5)
|
||
|
|
|
||
|
|
def create(self, FILENAME):
|
||
|
|
# Read data from input file
|
||
|
|
with open(FILENAME) as dataFile:
|
||
|
|
data = json.load(dataFile)
|
||
|
|
|
||
|
|
elements = data['elements']
|
||
|
|
connections = data['connections']
|
||
|
|
|
||
|
|
meshSize = self.meshSize
|
||
|
|
|
||
|
|
dec = 7 # 4 decimals for length in mm
|
||
|
|
tol = 10**(-dec-3+1)
|
||
|
|
|
||
|
|
self.tolLoc = tol*10*2
|
||
|
|
tolLoc = self.tolLoc
|
||
|
|
|
||
|
|
NEW_SALOME = int(salome_version.getVersion()[0]) >= 9
|
||
|
|
salome.salome_init()
|
||
|
|
theStudy = salome.myStudy
|
||
|
|
notebook = salome_notebook.NoteBook(theStudy)
|
||
|
|
|
||
|
|
###
|
||
|
|
### GEOM component
|
||
|
|
###
|
||
|
|
import GEOM
|
||
|
|
from salome.geom import geomBuilder
|
||
|
|
import math
|
||
|
|
import SALOMEDS
|
||
|
|
|
||
|
|
gg = salome.ImportComponentGUI('GEOM')
|
||
|
|
if NEW_SALOME:
|
||
|
|
geompy = geomBuilder.New()
|
||
|
|
else:
|
||
|
|
geompy = geomBuilder.New(theStudy)
|
||
|
|
self.geompy = geompy
|
||
|
|
|
||
|
|
O = geompy.MakeVertex(0, 0, 0)
|
||
|
|
OX = geompy.MakeVectorDXDYDZ(1, 0, 0)
|
||
|
|
OY = geompy.MakeVectorDXDYDZ(0, 1, 0)
|
||
|
|
OZ = geompy.MakeVectorDXDYDZ(0, 0, 1)
|
||
|
|
geompy.addToStudy( O, 'O' )
|
||
|
|
geompy.addToStudy( OX, 'OX' )
|
||
|
|
geompy.addToStudy( OY, 'OY' )
|
||
|
|
geompy.addToStudy( OZ, 'OZ' )
|
||
|
|
|
||
|
|
if len([e for e in elements if e['geometryType'] == 'line']) > 0:
|
||
|
|
buildingShapeType = 'EDGE'
|
||
|
|
if len([e for e in elements if e['geometryType'] == 'surface']) > 0:
|
||
|
|
buildingShapeType = 'FACE'
|
||
|
|
|
||
|
|
### Define entities ###
|
||
|
|
start_time = time.time()
|
||
|
|
pprint('Defining Object Geometry')
|
||
|
|
init_time = start_time
|
||
|
|
|
||
|
|
# Loop 1
|
||
|
|
for el in elements:
|
||
|
|
el['elemObj'] = self.makeObject(el['geometry'], str(el['geometryType']))
|
||
|
|
|
||
|
|
el['connObjs'] = [None for _ in el['connections']]
|
||
|
|
el['linkObjs'] = [None for _ in el['connections']]
|
||
|
|
for j,rel in enumerate(el['connections']):
|
||
|
|
conn = [c for c in connections if c['ifcName'] == rel['relatedConnection']][0]
|
||
|
|
el['connObjs'][j] = self.makeObject(conn['geometry'], str(conn['geometryType']))
|
||
|
|
if rel['eccentricity']:
|
||
|
|
pointOnElement = self.findIntersection(el['geometry'], rel['eccentricity'])
|
||
|
|
geometry = [pointOnElement, conn['geometry']]
|
||
|
|
el['linkObjs'][j] = self.makeObject(geometry, 'line')
|
||
|
|
|
||
|
|
el['partObj'] = self.makePartition([el['elemObj']] + el['connObjs'] + [e for e in el['linkObjs'] if e], str(el['geometryType']))
|
||
|
|
|
||
|
|
el['elemObj'] = geompy.GetInPlace(el['partObj'], el['elemObj'])
|
||
|
|
for j,rel in enumerate(el['connections']):
|
||
|
|
el['connObjs'][j] = geompy.GetInPlace(el['partObj'], el['connObjs'][j])
|
||
|
|
if rel['eccentricity']:
|
||
|
|
el['linkObjs'][j] = geompy.GetInPlace(el['partObj'], el['linkObjs'][j])
|
||
|
|
|
||
|
|
# for conn in connections:
|
||
|
|
# if conn['appliedCondition']:
|
||
|
|
# conn['connObj'] = self.makeObject(conn['geometry'], str(conn['geometryType']))
|
||
|
|
|
||
|
|
# Make assemble of Building Object
|
||
|
|
bldObjs = []
|
||
|
|
bldObjs.extend([el['partObj'] for el in elements])
|
||
|
|
# bldObjs.extend([conn['connObj'] for conn in connections if conn['appliedCondition']])
|
||
|
|
|
||
|
|
bldComp = geompy.MakeCompound(bldObjs)
|
||
|
|
geompy.addToStudy(bldComp, 'bldComp')
|
||
|
|
|
||
|
|
# Loop 2
|
||
|
|
for el in elements:
|
||
|
|
# geompy.addToStudy(el['partObj'], self.getGroupName(str(el['ifcName'])))
|
||
|
|
|
||
|
|
geompy.addToStudyInFather(el['partObj'], el['elemObj'], self.getGroupName(str(el['ifcName'])))
|
||
|
|
for j,rel in enumerate(el['connections']):
|
||
|
|
geompy.addToStudyInFather(el['partObj'], el['connObjs'][j], self.getGroupName(str(el['ifcName'])) + '_0D_to_' + self.getGroupName(str(rel['relatedConnection'])))
|
||
|
|
if rel['eccentricity']:
|
||
|
|
geompy.addToStudyInFather(el['partObj'], el['linkObjs'][j], self.getGroupName(str(el['ifcName'])) + '_1D_to_' + self.getGroupName(str(rel['relatedConnection'])))
|
||
|
|
|
||
|
|
# for conn in connections:
|
||
|
|
# if conn['appliedCondition']:
|
||
|
|
# # geompy.addToStudy(conn['connObj'], self.getGroupName(str(conn['ifcName'])))
|
||
|
|
# geompy.addToStudyInFather(conn['connObj'], conn['connObj'], self.getGroupName(str(conn['ifcName'])))
|
||
|
|
|
||
|
|
elapsed_time = time.time() - init_time
|
||
|
|
init_time += elapsed_time
|
||
|
|
pprint('Building Geometry Defined in %g sec' % (elapsed_time))
|
||
|
|
|
||
|
|
# Loop 3
|
||
|
|
for el in elements:
|
||
|
|
# el['partObj'] = geompy.RestoreGivenSubShapes(bldComp, [el['partObj']], GEOM.FSM_GetInPlace, False, False)[0]
|
||
|
|
geompy.addToStudyInFather(bldComp, el['elemObj'], self.getGroupName(str(el['ifcName'])))
|
||
|
|
|
||
|
|
for j,rel in enumerate(el['connections']):
|
||
|
|
geompy.addToStudyInFather(bldComp, el['connObjs'][j], self.getGroupName(str(el['ifcName'])) + '_0D_to_' + self.getGroupName(str(rel['relatedConnection'])))
|
||
|
|
if rel['eccentricity']:
|
||
|
|
el['linkObjs'][j].SetColor(SALOMEDS.Color(0, 0, 0))
|
||
|
|
geompy.addToStudyInFather(bldComp, el['linkObjs'][j], self.getGroupName(str(el['ifcName'])) + '_1D_to_' + self.getGroupName(str(rel['relatedConnection'])))
|
||
|
|
|
||
|
|
# for conn in connections:
|
||
|
|
# if conn['appliedCondition']:
|
||
|
|
# # conn['connObj'] = geompy.RestoreGivenSubShapes(bldComp, [conn['connObj']], GEOM.FSM_GetInPlace, False, False)[0]
|
||
|
|
# geompy.addToStudyInFather(bldComp, conn['connObj'], self.getGroupName(str(conn['ifcName'])))
|
||
|
|
|
||
|
|
elapsed_time = time.time() - init_time
|
||
|
|
init_time += elapsed_time
|
||
|
|
pprint('Building Geometry Groups Defined in %g sec' % (elapsed_time))
|
||
|
|
|
||
|
|
###
|
||
|
|
### SMESH component
|
||
|
|
###
|
||
|
|
|
||
|
|
import SMESH
|
||
|
|
from salome.smesh import smeshBuilder
|
||
|
|
|
||
|
|
pprint('Defining Mesh Components')
|
||
|
|
|
||
|
|
if NEW_SALOME:
|
||
|
|
smesh = smeshBuilder.New()
|
||
|
|
else:
|
||
|
|
smesh = smeshBuilder.New(theStudy)
|
||
|
|
Mesh_1 = smesh.Mesh(bldComp)
|
||
|
|
Regular1D = Mesh_1.Segment()
|
||
|
|
Local_Length_1 = Regular1D.LocalLength(meshSize, None, tolLoc)
|
||
|
|
|
||
|
|
if buildingShapeType == 'FACE':
|
||
|
|
NETGEN2D_ONLY = Mesh_1.Triangle(algo=smeshBuilder.NETGEN_2D)
|
||
|
|
NETGEN2D_Pars = NETGEN2D_ONLY.Parameters()
|
||
|
|
NETGEN2D_Pars.SetMaxSize(meshSize)
|
||
|
|
NETGEN2D_Pars.SetOptimize(1)
|
||
|
|
NETGEN2D_Pars.SetFineness(2)
|
||
|
|
NETGEN2D_Pars.SetMinSize(meshSize/5.0)
|
||
|
|
NETGEN2D_Pars.SetUseSurfaceCurvature(1)
|
||
|
|
NETGEN2D_Pars.SetQuadAllowed(1)
|
||
|
|
NETGEN2D_Pars.SetSecondOrder(0)
|
||
|
|
NETGEN2D_Pars.SetFuseEdges(254)
|
||
|
|
|
||
|
|
isDone = Mesh_1.Compute()
|
||
|
|
|
||
|
|
## Set names of Mesh objects
|
||
|
|
smesh.SetName(Regular1D.GetAlgorithm(), 'Regular1D')
|
||
|
|
smesh.SetName(Local_Length_1, 'Local_Length_1')
|
||
|
|
|
||
|
|
if buildingShapeType == 'FACE':
|
||
|
|
smesh.SetName(NETGEN2D_ONLY.GetAlgorithm(), 'NETGEN2D_ONLY')
|
||
|
|
smesh.SetName(NETGEN2D_Pars, 'NETGEN2D_Pars')
|
||
|
|
|
||
|
|
smesh.SetName(Mesh_1.GetMesh(), 'bldMesh')
|
||
|
|
|
||
|
|
elapsed_time = time.time() - init_time
|
||
|
|
init_time += elapsed_time
|
||
|
|
pprint('Meshing Operations Completed in %g sec' % (elapsed_time))
|
||
|
|
|
||
|
|
# Define groups in Mesh
|
||
|
|
for el in elements:
|
||
|
|
if el['geometryType'] == 'line':
|
||
|
|
shapeType = SMESH.EDGE
|
||
|
|
if el['geometryType'] == 'surface':
|
||
|
|
shapeType = SMESH.FACE
|
||
|
|
tempgroup = Mesh_1.GroupOnGeom(el['elemObj'], self.getGroupName(str(el['ifcName'])), shapeType)
|
||
|
|
smesh.SetName(tempgroup, self.getGroupName(str(el['ifcName'])))
|
||
|
|
|
||
|
|
for j,rel in enumerate(el['connections']):
|
||
|
|
tempgroup = Mesh_1.GroupOnGeom(el['connObjs'][j], self.getGroupName(str(el['ifcName'])) + '_0D_to_' + self.getGroupName(str(rel['relatedConnection'])), SMESH.NODE)
|
||
|
|
smesh.SetName(tempgroup, self.getGroupName(str(el['ifcName'])) + '_0D_to_' + self.getGroupName(str(rel['relatedConnection'])))
|
||
|
|
if rel['eccentricity']:
|
||
|
|
tempgroup = Mesh_1.GroupOnGeom(el['linkObjs'][j], self.getGroupName(str(el['ifcName'])) + '_1D_to_' + self.getGroupName(str(rel['relatedConnection'])), SMESH.EDGE)
|
||
|
|
smesh.SetName(tempgroup, self.getGroupName(str(el['ifcName'])) + '_1D_to_' + self.getGroupName(str(rel['relatedConnection'])))
|
||
|
|
|
||
|
|
# for conn in connections:
|
||
|
|
# if conn['appliedCondition']:
|
||
|
|
# tempgroup = Mesh_1.GroupOnGeom(conn['connObj'], self.getGroupName(str(conn['ifcName'])), SMESH.NODE)
|
||
|
|
# smesh.SetName(tempgroup, self.getGroupName(str(conn['ifcName'])))
|
||
|
|
|
||
|
|
self.mesh = Mesh_1
|
||
|
|
|
||
|
|
elapsed_time = time.time() - init_time
|
||
|
|
init_time += elapsed_time
|
||
|
|
pprint('Mesh Groups Defined in %g sec' % (elapsed_time))
|
||
|
|
|
||
|
|
if salome.sg.hasDesktop():
|
||
|
|
if NEW_SALOME:
|
||
|
|
salome.sg.updateObjBrowser()
|
||
|
|
else:
|
||
|
|
salome.sg.updateObjBrowser(1)
|
||
|
|
|
||
|
|
|
||
|
|
elapsed_time = init_time - start_time
|
||
|
|
pprint('ALL Operations Completed in %g sec' % (elapsed_time))
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
fileNames = ['cantilever_01', 'beam_01', 'portal_01', 'building_01', 'building-frame_01'];
|
||
|
|
files = [fileNames[3]]
|
||
|
|
meshSize = 200
|
||
|
|
|
||
|
|
for fileName in files:
|
||
|
|
# BASE_PATH = os.path.dirname(os.path.realpath('__file__'))
|
||
|
|
BASE_PATH = '/home/jesusbill/Dev-Projects/github.com/Jesusbill/ifc2ca'
|
||
|
|
FILENAME = BASE_PATH + '/examples/' + fileName + '/' + fileName + '.json'
|
||
|
|
FILENAMEMED = BASE_PATH + '/examples/' + fileName + '/bldMesh.med'
|
||
|
|
model = MODEL(FILENAME, meshSize)
|