mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-06 07:51:47 +00:00
johltn
87 lines
3.8 KiB
Python
87 lines
3.8 KiB
Python
###############################################################################
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# #
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# This file is part of IfcOpenShell. #
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# #
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# IfcOpenShell is free software: you can redistribute it and/or modify #
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# it under the terms of the Lesser GNU General Public License as published by #
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# the Free Software Foundation, either version 3.0 of the License, or #
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# (at your option) any later version. #
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# #
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# IfcOpenShell is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# Lesser GNU General Public License for more details. #
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# #
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# You should have received a copy of the Lesser GNU General Public License #
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# along with this program. If not, see <http://www.gnu.org/licenses/>. #
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# #
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###############################################################################
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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import time
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import uuid
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from .file import file
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from .guid import compress
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from . import main
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# A quick way to setup an 'empty' IFC file, taken from:
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# http://academy.ifcopenshell.org/creating-a-simple-wall-with-property-set-and-quantity-information/
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TEMPLATE = """ISO-10303-21;
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HEADER;
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FILE_DESCRIPTION(('ViewDefinition [CoordinationView]'),'2;1');
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FILE_NAME('%(filename)s','%(timestring)s',('%(creator)s'),('%(organization)s'),'%(application)s','%(application)s','');
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FILE_SCHEMA(('%(schema_identifier)s'));
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ENDSEC;
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DATA;
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#1=IFCPERSON($,$,'%(creator)s',$,$,$,$,$);
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#2=IFCORGANIZATION($,'%(organization)s',$,$,$);
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#3=IFCPERSONANDORGANIZATION(#1,#2,$);
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#4=IFCAPPLICATION(#2,'%(application_version)s','%(application)s','');
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#5=IFCOWNERHISTORY(#3,#4,$,.ADDED.,$,#3,#4,%(timestamp)s);
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#6=IFCDIRECTION((1.,0.,0.));
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#7=IFCDIRECTION((0.,0.,1.));
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#8=IFCCARTESIANPOINT((0.,0.,0.));
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#9=IFCAXIS2PLACEMENT3D(#8,#7,#6);
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#10=IFCDIRECTION((0.,1.,0.));
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#11=IFCGEOMETRICREPRESENTATIONCONTEXT($,'Model',3,1.E-05,#9,#10);
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#12=IFCDIMENSIONALEXPONENTS(0,0,0,0,0,0,0);
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#13=IFCSIUNIT(*,.LENGTHUNIT.,$,.METRE.);
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#14=IFCSIUNIT(*,.AREAUNIT.,$,.SQUARE_METRE.);
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#15=IFCSIUNIT(*,.VOLUMEUNIT.,$,.CUBIC_METRE.);
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#16=IFCSIUNIT(*,.PLANEANGLEUNIT.,$,.RADIAN.);
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#17=IFCMEASUREWITHUNIT(IFCPLANEANGLEMEASURE(0.017453292519943295),#16);
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#18=IFCCONVERSIONBASEDUNIT(#12,.PLANEANGLEUNIT.,'DEGREE',#17);
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#19=IFCUNITASSIGNMENT((#13,#14,#15,#18));
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#20=IFCPROJECT('%(project_globalid)s',#5,'%(project_name)s',$,$,$,$,(#11),#19);
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ENDSEC;
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END-ISO-10303-21;
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"""
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DEFAULTS = {
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"application": lambda d: 'IfcOpenShell-%s' % main.version,
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"application_version": lambda d: main.version,
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"project_globalid": lambda d: compress(uuid.uuid4().hex),
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"schema_identifier": lambda d: main.schema_identifier,
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"timestamp": lambda d: int(time.time()),
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"timestring": lambda d: time.strftime("%Y-%m-%dT%H:%M:%S", time.gmtime(d.get('timestamp') or time.time()))
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}
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def create(filename=None, timestring=None, organization=None, creator=None,
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schema_identifier=None, application_version=None, timestamp=None,
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application=None, project_globalid=None, project_name=None):
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d = dict(locals())
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def _():
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for var, value in d.items():
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if value is None:
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yield var, DEFAULTS.get(var, lambda *args: '')(d)
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d.update(dict(_()))
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return file.from_string(TEMPLATE % d)
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