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Instead of using a template ifc file, ifccityjson now uses ifcopenshell.api to create a new file for conversion

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This commit is contained in:
Laurens Oostwegel
2021-05-16 15:32:35 +02:00
parent 537efdcb53
commit 66d4665498
3 changed files with 158526 additions and 47 deletions
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src/ifccityjson/cityjson2ifc.py
+34 -8
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@@ -1,6 +1,7 @@
import ifcopenshell
import warnings
import ifcopenshell.api
from geometry import GeometryIO
from datetime import datetime
JSON_TO_IFC = {
"Building": ["IfcBuilding"],
@@ -45,6 +46,7 @@ class Cityjson2ifc:
def convert(self, city_model):
self.city_model = city_model
self.create_new_file()
self.write_file()
self.create_metadata()
self.geometry.build_vertices(self.IFC_model,
coords=city_model.j["vertices"],
@@ -73,14 +75,38 @@ class Cityjson2ifc:
crs = self.IFC_model.create_entity("IfcProjectedCrs", Name=f"epsg:{epsg}")
self.IFC_model.create_entity("IfcMapConversion", self.IFC_representation_context, **self.properties["local_translation"])
self.properties["owner_history"] = self.IFC_model.by_type("IfcOwnerHistory")[0]
def create_new_file(self):
self.IFC_model = ifcopenshell.open('example/template.ifc')
self.IFC_site = self.IFC_model.by_type('IfcSite')[0]
self.IFC_representation_sub_context = self.IFC_model.by_type("IFCGEOMETRICREPRESENTATIONSUBCONTEXT")[0]
self.IFC_representation_context = self.IFC_model.by_type("IFCGEOMETRICREPRESENTATIONCONTEXT")[0]
# self.IFC_model = ifcopenshell.file(schema='IFC4')
self.IFC_model = ifcopenshell.api.run("project.create_file")
self.IFC_project = ifcopenshell.api.run("root.create_entity", self.IFC_model, **{"ifc_class": "IfcProject"})
self.properties["owner_history"] = self.create_owner_history()
self.IFC_representation_context = ifcopenshell.api.run("context.add_context", self.IFC_model,
**{"context": "Model"})
self.IFC_representation_sub_context = ifcopenshell.api.run("context.add_context", self.IFC_model,
**{"context": "Model",
"subcontext": "Body", # LODs as subcontext
"target_view": "MODEL_VIEW"})
self.IFC_site = ifcopenshell.api.run("root.create_entity", self.IFC_model,
**{"ifc_class": "IfcSite",
"name": "My Site"})
# self.IFC_representation_sub_context = self.IFC_model.by_type("IFCGEOMETRICREPRESENTATIONSUBCONTEXT")[0]
# self.IFC_representation_context = self.IFC_model.by_type("IFCGEOMETRICREPRESENTATIONCONTEXT")[0]
def create_owner_history(self):
actor = self.IFC_model.createIfcActorRole("ENGINEER", None, None)
person = self.IFC_model.createIfcPerson("Oostwegel", None, "L.J.N.", None, None, None, (actor,))
organization = self.IFC_model.createIfcOrganization(
None,
"IfcOpenShell",
"IfcOpenShell, an open source (LGPL) software library that helps users and software developers to work with the IFC file format.",
)
p_o = self.IFC_model.createIfcPersonAndOrganization(person, organization)
application = self.IFC_model.createIfcApplication(organization, "v0.0.x", "ifccityjson", "ifccityjson")
timestamp = int(datetime.now().timestamp())
ownerHistory = self.IFC_model.createIfcOwnerHistory(p_o, application, "READWRITE", None, None, None, None, timestamp)
return ownerHistory
def write_file(self):
self.IFC_model.write(self.properties["file_destination"])
src/ifccityjson/example/output.ifc
+158492
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File diff suppressed because one or more lines are too long
src/ifccityjson/example/template.ifc
-39
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@@ -1,39 +0,0 @@
ISO-10303-21;
HEADER;
FILE_DESCRIPTION(('ViewDefinition [CoordinationView]'),'2;1');
FILE_NAME('template.ifc','2021-03-17T14:54:00+11:00',(),(),'IfcOpenShell 0.6.0b0','BlenderBIM 0.0.999999','Nobody');
FILE_SCHEMA(('IFC4'));
ENDSEC;
DATA;
#1=IFCPERSON('HSeldon','Seldon','Hari',$,$,$,$,$);
#2=IFCORGANIZATION('APTR','Aperture Science',$,$,$);
#3=IFCPERSONANDORGANIZATION(#1,#2,$);
#4=IFCACTORROLE(.USERDEFINED.,'CONTRIBUTOR',$);
#5=IFCTELECOMADDRESS(.USERDEFINED.,'The main webpage of the software collection.','WEBPAGE',$,$,$,$,'https://ifcopenshell.org',$);
#6=IFCTELECOMADDRESS(.USERDEFINED.,'The CJ2IFC webpage of the software collection.','WEBPAGE',$,$,$,$,'https://github.com/LaurensJN/IFC2JS',$);
#7=IFCTELECOMADDRESS(.USERDEFINED.,'The source code repository of the software collection.','REPOSITORY',$,$,$,$,'https://github.com/IfcOpenShell/IfcOpenShell.git',$);
#8=IFCORGANIZATION($,'IfcOpenShell','IfcOpenShell is an open source (LGPL) software library that helps users and software developers to work with the IFC file format.',(#4),(#5,#6,#7));
#9=IFCAPPLICATION(#8,'0.0.999999','CityJSON to IFC converter','CJ2IFC');
#10=IFCOWNERHISTORY(#3,#9,.READWRITE.,.ADDED.,1615934569,#3,#9,1615934569);
#11=IFCPROJECT('2yjpApQSX3ZAZudc2AGHb3',#10,'My Project',$,$,$,$,(#20,#27),#15);
#12=IFCSIUNIT(*,.LENGTHUNIT.,$,.METRE.);
#13=IFCSIUNIT(*,.AREAUNIT.,$,.SQUARE_METRE.);
#14=IFCSIUNIT(*,.VOLUMEUNIT.,$,.CUBIC_METRE.);
#15=IFCUNITASSIGNMENT((#12,#13,#14));
#16=IFCCARTESIANPOINT((0.,0.,0.));
#17=IFCDIRECTION((0.,0.,1.));
#18=IFCDIRECTION((1.,0.,0.));
#19=IFCAXIS2PLACEMENT3D(#16,#17,#18);
#20=IFCGEOMETRICREPRESENTATIONCONTEXT($,'Model',3,1.E-05,#19,$);
#21=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Body','Model',*,*,*,*,#20,$,.MODEL_VIEW.,$);
#22=IFCOWNERHISTORY(#3,#9,.READWRITE.,.ADDED.,1615934569,#3,#9,1615934569);
#23=IFCSITE('1maxFQa9z7q8w50tN19Dw9',#22,'My Site',$,$,#30,$,$,$,$,$,$,$,$);
#24=IFCOWNERHISTORY(#3,#9,.READWRITE.,.ADDED.,1615934569,#3,#9,1615934569);
#25=IFCRELAGGREGATES('1GuJ2jz2TA49gFFSYhrqGa',#24,$,$,#11,(#23));
#26=IFCCARTESIANPOINT((0.,0.,0.));
#27=IFCDIRECTION((0.,0.,1.));
#28=IFCDIRECTION((1.,0.,0.));
#29=IFCAXIS2PLACEMENT3D(#26,#27,#28);
#30=IFCLOCALPLACEMENT($,#29);
ENDSEC;
END-ISO-10303-21;