int main( int argc, const char *argv[] ) { // If you are using OpenNURBS as a Windows DLL, then you MUST use // ON::OpenFile() to open the file. If you are not using OpenNURBS // as a Windows DLL, then you may use either ON::OpenFile() or fopen() // to open the file. int argi; if ( argc < 2 ) { printf("Syntax: %s [-out:outputfilename.txt] file1.3dm file2.3dm ...\n",argv[0] ); return 0; } // Call once in your application to initialze opennurbs library ON::Begin(); // default dump is to stdout ON_TextLog dump_to_stdout; ON_TextLog* dump = &dump_to_stdout; FILE* dump_fp = 0; ONX_Model model; for ( argi = 1; argi < argc; argi++ ) { const char* arg = argv[argi]; // check for -out or /out option if ( ( 0 == strncmp(arg,"-out:",5) || 0 == strncmp(arg,"/out:",5) ) && arg[5] ) { // change destination of dump file const char* sDumpFilename = arg+5; FILE* text_fp = ON::OpenFile(sDumpFilename,"w"); if ( text_fp ) { if ( dump_fp ) { delete dump; ON::CloseFile(dump_fp); } dump_fp = text_fp; dump = new ON_TextLog(dump_fp); } continue; } const char* sFileName = arg; dump->Print("\nOpenNURBS Archive File: %s\n", sFileName ); // open file containing opennurbs archive FILE* archive_fp = ON::OpenFile( sFileName, "rb"); if ( !archive_fp ) { dump->Print(" Unable to open file.\n" ); continue; } dump->PushIndent(); // create achive object from file pointer ON_BinaryFile archive( ON::read3dm, archive_fp ); // read the contents of the file into "model" bool rc = model.Read( archive, dump ); // close the file ON::CloseFile( archive_fp ); // print diagnostic if ( rc ) dump->Print("Successfully read.\n"); else dump->Print("Errors during reading.\n"); // see if everything is in good shape if ( model.IsValid(dump) ) dump->Print("Model is valid.\n"); else { model.Polish(); if ( model.IsValid() ) { dump->Print("Model is valid after calling Polish().\n"); } else { dump->Print("Model is not valid.\n"); } } /* int oi = 14; if ( oi >=0 && oi < model.m_object_table.Count() ) { dump->Print("m_object_table[%d].m_object:\n",oi); dump->PushIndent(); model.m_object_table[oi].m_object->Dump(*dump); dump->PopIndent(); } */ int version = 0; // write current Rhino file ON_String outfile = sFileName; int len = outfile.Length() - 4; outfile.SetLength(len); outfile += "_roundtrip.3dm"; bool outrc = model.Write( outfile, version, "roundtrip", dump ); if ( outrc ) { dump->Print("model.Write(%s) succeeded.\n",outfile.Array()); ONX_Model model2; if ( model2.Read( outfile, dump ) ) { dump->Print("model2.Read(%s) succeeded.\n",outfile.Array()); if ( model2.IsValid(dump) ) { dump->Print("Model2 is valid.\n"); } else { dump->Print("Model2 is not valid.\n"); } /* if ( oi >=0 && oi < model2.m_object_table.Count() ) { dump->Print("m_object_table[%d].m_object:\n",oi); dump->PushIndent(); model2.m_object_table[oi].m_object->Dump(*dump); dump->PopIndent(); } */ } else { dump->Print("model2.Read(%s) failed.\n",outfile.Array()); } } else dump->Print("model.Write(%s) failed.\n",outfile.Array()); // destroy this model model.Destroy(); dump->PopIndent(); } if ( dump_fp ) { // close the text dump file delete dump; ON::CloseFile( dump_fp ); } // OPTIONAL: Call just before your application exits to clean // up opennurbs class definition information. // Opennurbs will not work correctly after ON::End() // is called. ON::End(); return 0; }
/* Returns: True if .3dm file was successfully read into an ONX_Model class. */ static bool ReadFileHelper( const wchar_t* sFileName, bool bVerboseTextDump, bool bChunkDump, ON_TextLog& dump ) { if ( bChunkDump ) { return Dump3dmFileHelper(sFileName,dump); } ONX_Model model; dump.Print("\nOpenNURBS Archive File: %ls\n", sFileName ); // open file containing opennurbs archive FILE* archive_fp = ON::OpenFile( sFileName, L"rb"); if ( !archive_fp ) { dump.Print(" Unable to open file.\n" ); return false; } dump.PushIndent(); // create achive object from file pointer ON_BinaryFile archive( ON::read3dm, archive_fp ); // read the contents of the file into "model" bool rc = model.Read( archive, &dump ); // close the file ON::CloseFile( archive_fp ); // print diagnostic if ( rc ) dump.Print("Successfully read.\n"); else dump.Print("Errors during reading.\n"); // see if everything is in good shape if ( model.IsValid(&dump) ) { dump.Print("Model is valid.\n"); } else { dump.Print("Model is not valid.\n"); } // create a text dump of the model if ( bVerboseTextDump ) { dump.PushIndent(); model.Dump(dump); dump.PopIndent(); } // destroy this model model.Destroy(); dump.PopIndent(); return rc; }