public static AiScene importFile(String filename, 
                                     Set<AiPostProcessSteps> postProcessing) 
                                           throws IOException {
        return importFile(filename, postProcessing, null);
    }
public static AiScene importFile ( String filename , Set < AiPostProcessSteps > postProcessing ) throws IOException { return importFile ( filename , postProcessing , null ) ; }
Imports a file via assimp.

@param filename the file to import
@param postProcessing post processing flags
@return the loaded scene, or null if an error occurred
@throws IOException if an error occurs