The drawing reader looks into the PreProcessedContentFiles folder, which is located in the same location as the native files prior to the content discovery task, for preprocessed content files that have been extracted from third party applications. The drawing reader first checks for <File Name with extension>_GraphicsMapFile.xml and <File Name with extension>_NavigationFile.igr. If both the files are found then it looks for <File Name with extension>_ContentFile.xml. If all the three files are available in the PreProcessedContentFiles folder, then they are related to the master file and the <File Name with extension>_ContentFile.xml is used for tag extraction. If the drawing reader does not find either <File Name with extension>_GraphicsMapFile.xml or the <File Name with extension>_NavigationFile.igr file in the PreProcessedContentFiles folder, then the application uses SmartConverter to process the files.
In absence of the preprocessed content files, the drawing reader extracts the cross-referenced and linked information available in the drawing by using the SmartConverter. Both the native image and rendered image are attached to the drawing file. An XML file containing all the acquired tags and cross references is generated and attached to the Document version. The Intergraph SmartSketch RAD hotspotter automatically extracts the tag and cross-reference information from the drawing file, using a set of rules defined in the SmartPlant Foundation SmartConverter.
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While extracting content from documents of drawing files and 3D models, a drawing representation object is created for each tag based on the Graphic OID property value in GraphicsMapFile.xml. The GraphicsMapFile.xml has the information for graphical navigation such as the corresponding InterfaceDefs, as well as all tag UIDs and Graphic OIDs for the document. The drawing representation object is related to the respective document and tag.
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The drawing representation objects are specifically used for graphical navigation in the Web Client.
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If the <FileName with extension>_GraphicsMapFile.xml, <Filename with extension>_NavigationFile.igr, and <Filename with extension>_ContentFile.xml files are available for the corresponding Drawing file, they should be placed in the PreProcessedContentFiles folder, located in the same location as the native files prior to the content discovery task. For example, if the native files exist in C:\SmartPlantFusionData, you should place the <FileName with extension>_GraphicsMapFile.xml, <Filename with extension>_NavigationFile.igr, and <Filename with extension>_ContentFile.xml files in the C:\SmartPlantFusionData\PreProcessedContentFiles folder.
For example, the following is an example of the preprocessed graphics map file looks similar to this example:
For more information on the preprocessed XML file format, see Preprocessed Content XML File Format.