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languagecpp
themeConfluence
FUNCTION xpxReadStepFileEx (repositoryName, modelName, headerModelRepositoryName                  : STRING;
                     headerModelName,       headerModelRepositoryName, headerModelName : STRING; 
                            STEPfile, logFile, schemaName              : STRING;
    :  STRING;                      shortNamesFile, schemaName                             : STRING;
                  options          options                                      : INTEGER;
 
                VAR modelId           VAR modelId                                : GENERIC;
                            VAR warnings, VAR errors, VAR sdaiError    : INTEGER)
                            status    : INTEGER)                                 status: INTEGER;

The xpxReadStepFileEx function is used to create a new model and populate the model with data from the specified STEP Physical File.

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1TypeNameComment
2STRINGrepositoryNameName of the repository where the new created model will be located
3STRINGmodelNameThe name of the sdai_model that will be created and populated as a result of the xpxReadStepFileEx function
4STRINGheaderModelRepositoryNameA STEP Physical File consist of a Header Section and a Data Section. If a sdai_model of the Header Section should be created and populated during the xpxReadStepFileEx operation, then the headerModelName specifies the name of this sdai_model in the database. This model will be located in the repository specified by the repositoryName argument. This argument can be set to an empty string or indeterminate (question) when no creation and population of a STEP Physical File Header Section model is wanted
5STRINGheaderModelNameSpecifies the name of the STEP Header model to be created and populated. The model must have a name that is unique within the repository that holds the model. The model name must start with a letter and the rest of the model name can be any mix of alphanumeric characters and the underscore character. Model names are case sensitive.
6STRINGSTEPfileThe name of the actual STEP Physical File to read into the database
7STRINGlogFileThe name of the file where logging from the xpxReadStepFileEx function will be recorded in case logging is enabled. This argument can be set to an empty string or indeterminate (question) when no logging should be performed
8STRINGschemaNameThe name of the Express schema that defines the structure of the data in the Data Section of the actual STEP file is found in the attribute FILE_SCHEMA.SCEMA_IDENTIFIERS in the Header Section of the STEP file. This schema will be used as the underlying schema of the new data model resulting from this command, hence this Express schema must exist as a dictionary model in the EDMdatabase EDMdatabase  when the xpxReadStepFileEx function is invoked.
9STRINGshortNamesFile

The name of a file that contains short entity names of the actual schema that defines the data on the STEP file to be read. A STEP file can be written using the entity names specified in the Express schema that defines the sdai model that is mapped to the STEP file, or a STEP file can be written using short entity names. In case the actual STEP file is written using the short entity names, the shortNamesFile argument must specify a file that contains the mapping from short entity names to the entity names defined in the underlying Express schema of the actual sdai model.

10INTEGERoptionssame as edmiReadStepFile, except for the XPX prefixsee below
11
GENERIC
modelIddestination model id
12INTEGERwarningsNumber of warnings detected during reading the specified step file.
13INTEGERerrorsNumber of errors detected during reading the specified step file.
14INTEGERsdaiErrorIf the xpxReadStepFileEx operation is terminated due to errors in accessing the database, the argument sdaiError will receive the actual sdaiErrorCode causing the termination of the xpxReadStepFileEx operation.

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Insert excerpt
US:_r_XPX_Return_Value
US:_r_XPX_Return_Value
nopaneltrue

Options

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comment
OptionCommentXPXOption

XPXADD_TO_EXISTING_MODEL

The imported data set (STEP file) will be added to the existing data model <modelName>. The <modelName> data model must be a model with the required underlying schema ,i.e., the schema specified in the header section of the STEP file or the schema specified in the <schemaName> argument. This option enables incremental population of a data model from STEP files.

XPXCOMPRESSED_FILE  

Same as ZIPPED_FILE

XPXCONFORMANCE_CLASS_1

Overrules the mapping method given in the Header Section of the actual STEP file such that the STEP file will be interpret according to ISO 10303-21:1994/TC1 CC1.  The options [CONFORMANCE_CLASS_1], [CONFORMANCE_CLASS_2], and [DIS_VERSION] are mutually exclusive, i.e., only one of these options should be activated in one execution of the xpxReadStepFile function.

XPXCONFORMANCE_CLASS_2

Overrules the mapping method given in the Header Section of the actual STEP file such that the STEP file will be interpret according to ISO 10303-21:1994/TC1 CC2. The options [CONFORMANCE_CLASS_1], [CONFORMANCE_CLASS_2], and [DIS_VERSION] are mutually exclusive, i.e., only one of these options should be activated in one execution of the xpxReadStepFile function.

XPXDIS_VERSION

Overrules the mapping method given in the Header Section of the actual STEP file such that the STEP file will be interpret according to ISO 10303-21:1994/TC1 DIS version. The options [CONFORMANCE_CLASS_1], [CONFORMANCE_CLASS_2], and [DIS_VERSION] are mutually exclusive, i.e., only one of these options should be activated in one execution of the xpxReadStepFile function.

XPXDELETING_EXISTING_MODEL

When the specified <modelName> exists, it well be deleted and recreated at the invocation of the xpxReadStepFile operation.

XPXDELETE_INSTANCE_REFS_ON_DELETE

The sdaiDeleteInstance operation will be legal for instances with references. The references to the actual instances will automatically be deleted when the actual instance is deleted by the sdaiDeleteInstance operation. This option can improve the performance of data manipulation in this model. Normally this option should only be used on "temporarily models", i.e., models that is imported into another system than the persistent EDMdatabase.

XPXDELETE_INSTANCES_WITH_REFS

 

XPXEXCLUDE_USER_DEFINED_ENTITIES   

All instances of UserDefinedEntities in the actual "stepFile" will be skipped, i.e., these instances will not be populated in the resulting EDMdataModel by the STEPread operation.

XPXHEADER_MODEL_ONLY

 

XPXINSTANCES_IN_CONTAINER

All instances created by the actual STEPread operation will be inserted in an EDMcontainer that will be created by the STEPread operation. The actual EDMcontainerId is returned in the "containerId" argument in the actual readStep operation  invocation. Only one of the options INSTANCES_IN_MODEL_LOCK_CONTAINER, INSTANCES_IN_MODEL_CONTAINER, INSTANCES_IN_LOCK_CONTAINER, INSTANCES_IN_CONTAINER are legal to be able in  the same stepRead operation.         

XPXINSTANCES_IN_LOCK_CONTAINER

All instances created by the actual STEPread operation will be inserted in an EDMlockContainer that will be created by the STEPread operation. The actual EDMlockContainerId is returned in the "containerId" argument in the actual STEPread operation  invocation.  Only one of the options INSTANCES_IN_MODEL_LOCK_CONTAINER, INSTANCES_IN_MODEL_CONTAINER, INSTANCES_IN_LOCK_CONTAINER, INSTANCES_IN_CONTAINER are legal to be able in  the same stepRead operation.

XPXINSTANCES_IN_MODEL_LOCK_CONTAINER

All instances created by the actual STEPread operation will be inserted in an EDMmodelLockContainer that will be created by the  STEPread operation. The actual EDMmodelLockContainerId is returned in the "containerId" argument in the actual readStep operation  invocation.  Only one of the options INSTANCES_IN_MODEL_LOCK_CONTAINER, INSTANCES_IN_MODEL_CONTAINER, INSTANCES_IN_LOCK_CONTAINER, INSTANCES_IN_CONTAINER
are legal to be able in  the same stepRead operation.

XPXINSTANCES_IN_MODEL_CONTAINER

All instances created by the actual STEPread operation will be inserted in an EDMmodelContainer that will be created by the STEPread operation. The actual EDMmodelContainerId is returned in the "containerId" argument in the actual readStep operation  invocation.  Only one of the options  INSTANCES_IN_MODEL_LOCK_CONTAINER, INSTANCES_IN_MODEL_CONTAINER, INSTANCES_IN_LOCK_CONTAINER, INSTANCES_IN_CONTAINER
are legal to be able in  the same stepRead operation.

XPXISO_LATIN_1_STRING_ENCODING    

The STRING data types in the resulting new EDMdataModel will be encoded in ISO-LATIN-1 style string encoding. Only one of the options UTF_8_STRING_ENCODING and ISO_LATIN_1_STRING_ENCODING are legal in the same STEPread  operation. The ISO-LATIN-1 style string encoding is the default string encoding style in the resulting EDMdataModel, i.e., when neither UTF_8_STRING_ENCODING nor ISO_LATIN_1_STRING_ENCODING is specified. This option has no effect when the option ADD_TO_EXISTING_MODEL is used

XPXISO_8859_1_STRING_ENCODING

The STRING data types in the resulting new EDMdataModel will be encoded in ISO-LATIN-1 style string encoding.  Only one of the options UTF_8_STRING_ENCODING and ISO_LATIN_1_STRING_ENCODING are legal in the same STEPread  operation.  The ISO-LATIN-1 style string encoding is the default string encoding style in the resulting EDMdataModel, i.e., when neither  UTF_8_STRING_ENCODING nor ISO_LATIN_1_STRING_ENCODING is specified.  This option has no effect when the option ADD_TO_EXISTING_MODEL is used.

XPXLOG_ERRORS_AND_WARNINGS_ONLY

Limits the log to only include logging of instances related to errors and warnings.

XPXLOG_TO_FILE

Logged information will be stored in a file specified by the <Log file> argument.

XPXLOG_TO_STDOUT

Logged information will be written to the EDMinterface current output device. The EDMinterface current output device can be defined by the edmiDefineOutputFunction operation.

XPXKEEP_STEP_IDENTIFIERS

A STEP Identifier model will be created and connected to the data model created by this operation. The STEP Identifier model will keep the correspondence between the STEP file entity instances (stepID) and the EDMdatabase instanceID that uniquely identifies the same instance.

XPXNO_STRING_ENCODING

Specifies that the actual STEP file has no encoding of SdaiString data values, hence no decoding will take place during the read operation. The ISO 10303-21 specifies that all characters in a STRING data type that have an ASCII value less than 32 or greater than 126 should be encoded in a STEP file and hence decoded when reading the STEP file into an EDMdatabase.

XPXNOT_CLOSE_MODEL

The data model will not be closed by the xpxReadStepFile operation, i.e., the calling application can start using the imported model immediately without opening the model. This option can improve the performance of data manipulation in this model. Normally this option should only be used on "temporarily models", i.e., models that is imported into another system than the persistent EDMdatabase.

XPXNO_INSTANCE_REFERENCES

No "instance references tables" will be created and maintained in the actual model. The following operations will not work on the actual data model when this option is enabled:

  1. The built in function USEDIN,
  2. The EDMinterface operations: edmiUsedIn, edmiUsedInBN, and edmiGetInstanceReferences
  3. The ExpressX function xpxGetInstanceReferences
    This option can improve the performance of data manipulation in this model. Normally this option should only be used on "temporarily models", i.e., models that is imported into another system than the persistent EDMdatabase.

XPXONE_FILE_STEP_FILE_PACKAGE

The actual "stepFile" to read is an EDMstepFilePackage consisting of one single file.An EDMstepFilePackage is an EDM proprietary extension of the iSO 10303-21 to enable the mapping of the EDM proprietary data types EDMfile and EDMblob to an P21 file.  An EDMstepFilePackage can consist of one single file or a collection of files.

XPXONLY_USER_DEFINED_ENTITIES

Only instances of UserDefinedEntities in the actual "stepFile" will be populated in the actual EDMdataModel by the STEPread operation.  All other instance types on the actual "stepFile" will be skipped.
    

XPXOPEN_MODEL_FOR_LOCAL_READ_WRITE

This option opens the actual resulting EDMdataModel for LocalReadWrite mode, i.e., this model will not be updated on the EDMdatabase controlled by the actual running EDMserver. The purpose of this option is to implement a method for "local temporary models" in an EDMserver system. This options has only effect in an EDMserver system.

XPXPARSE_ONLY

The specified STEP file will be parsed only, i.e. only checked for syntactical correctness, no data will be stored in the EDMdatabase.

XPXPRE_PARSE_FILE

Specifies that the actual import process will be performed in two passes, i.e., the actual STEP file will be read twice. This option may increase performance for STEP files with many forward references.

XPXSTEP_FILE_PACKAGE

The "stepFile" to read in the actual STEPread operation is an EDMstepFilePackage.  An EDMstepFilePackage is an EDM proprietary  extension of the iSO 10303-21 to enable the mapping of the EDM proprietary data types EDMfile and EDMblob to an P21 file.

XPXUNPACKED_MODEL

 

XPXUSER_CONTROLLED_INVERSE

 

XPXUTF8_ENCODED_FILE_NAMES

 

XPXUTF_8_STRING_ENCODING

The STRING data types in the resulting new EDMdataModel will be encoded in UTF-8 style string encoding.  Only one of the options UTF_8_STRING_ENCODING and ISO_LATIN_1_STRING_ENCODING are legal in the same STEPread operation.  This option has no effect when the option ADD_TO_EXISTING_MODEL is used.

XPXZIPPED_FILE

The actual "stepFile" is a "zipped" file.

 

Example

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