conversion/transferparams/transferparams.py

Refer to the Transfer with Parameters Example.

#!/usr/bin/env python3
 
# $Id$
 
# Copyright (C) 2008-2014, Roman Lygin. All rights reserved.
# Copyright (C) 2014-2023, CADEX. All rights reserved.
 
# This file is part of the CAD Exchanger software.
 
# You may use this file under the terms of the BSD license as follows:
 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
 
 
import sys
from pathlib import Path
import os
 
 
import cadexchanger.CadExCore as cadex
 
sys.path.append(os.path.abspath(os.path.dirname(Path(__file__).resolve()) + r"/../../"))
import cadex_license as license
import cadexchanger.CadExSTEP as step
import cadexchanger.CadExJT as jt
import cadexchanger.CadExOBJ as obj
 
 
def main(theSource: str, theDest: str):
    aKey = license.Value()
 
    if not cadex.LicenseManager.Activate(aKey):
        print("Failed to activate CAD Exchanger license.")
        return 1
 
    aModel = cadex.ModelData_Model()
 
    print("Conversion started...")
 
    aReader = cadex.ModelData_ModelReader()
 
    # Let's set new parameters
    aSTEPReaderParams = step.STEP_ReaderParameters()
    aSTEPReaderParams.SetPreferredBRepRepresentationType(step.STEP_ReaderParameters.AdvancedBRep)
    aReader.SetReaderParameters(aSTEPReaderParams)
 
    aJTReaderParams = jt.JT_ReaderParameters()
    aJTReaderParams.SetLayerConversionMode(jt.JT_ReaderParameters.LayerFilter)
    aReader.SetReaderParameters(aJTReaderParams)
 
    # Opening and converting the file
    if not aReader.Read(cadex.Base_UTF16String(theSource), aModel):
        print("Failed to open and convert the file " + theSource)
        return 1
 
    aWriter = cadex.ModelData_ModelWriter()
 
    anOBJParams = obj.OBJ_WriterParameters()
    # Set some writer parameters
    anOBJParams.SetLengthUnit(cadex.Base_LU_Centimeters)
    anOBJParams.SetToGenerateMtlFile(True)
    aWriter.SetWriterParameters(anOBJParams)
 
    aJTParams = jt.JT_WriterParameters()
    aJTParams.SetFileSplitMode(jt.JT_WriterParameters.PerPart)
    aWriter.SetWriterParameters(aJTParams)
 
    cadex.Base_Settings.Default().SetValue(cadex.Base_Settings.UseExceptions, True)
    try:
        # Converting and writing the model to file
        if not aWriter.Write(aModel, cadex.Base_UTF16String(theDest)):
            print("Failed to convert and write the file to specified format " + theDest)
            return 1
    except cadex.Base_Exception as anEx:
        print(anEx.What())
        return 1
 
    print("Completed")
    return 0
 
if __name__ == "__main__":
    if len(sys.argv) != 3:
        print("    <input_file>  is a name of the STEP file to be read")
        print("    <output_file> is a name of the JT file to Save() the model")     
        sys.exit(1)
 
    aSource = os.path.abspath(sys.argv[1])
    aDest = os.path.abspath(sys.argv[2])
 
    sys.exit(main(aSource, aDest))