About Controlling the Import and Export of Layers
You can control the import and export of layers and their entities during data transfer between Creo and other CAD systems such as IGES, STEP, SET, VDA, CATIA, and Neutral.
You can set the import or export status of a given layer to one of the following:
• Blank—Marks as not visible the layers that are blanked. The entities residing on the blanked layers do not appear in the imported or exported model or assembly components.
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You can set the intf2d_out_blanked_layers configuration option to yes to include blanked layers in exports to DXF, DWG and STEP files. The Export Blanked Layers check box in the Export Environment for DWG dialog box temporarily overrides the default intf2d_out_blanked_layers configuration option value of no.
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• Show—Displays the layers with their entities. The layers with the entities are visible in the exported or imported model and assembly components.
• Ignore—Does not import or export the ignored layers. The ignored layers are not present in the imported or exported model or assembly components. However, the geometry residing on these layers is imported and exported. The geometry is not assigned layers or it is assigned the default layer in the imported or exported model.
• Skip—Does not import or export the skipped layers and their associated geometry.
When you import part and assembly models that belong to formats that support Associative Topology Bus (ATB), such as CATIA V4 and V5, NX, Creo Elements/Direct, and SolidWorks, you must clear the default selection of the Enable ATB option in the Import New Model or the File dialog box to set the layer import status. The Import New Model dialog box displays the Customize layers option when you clear the selection of the Enable ATB option. The File dialog box displays the Customize layer filter option when you clear the selection of the Enable ATB option. If you retain the default selection of the Customize layers or the Customize layer filter option, the Layer Import Options dialog box opens. You can select layers and set their import status to Blank, Skip, or Ignore in the Layer Import Options dialog box to hide or exclude redundant data.
To set a large number of layers to the same import status with a single setting, select all the layers you want to change using the standard CONTROL and SHIFT key multiple selection mechanism. After selecting the required layers, change the layer display status of one of the selected layers (the selected layers are highlighted) to the required status. This automatically updates the status of all the selected layers to the same status setting without you having to individually change the status of each layer.