Scope
The purpose of the ITU-T Rec. T.410-Series / ISO/IEC 8613 is to facilitate the interchange of documents.
In the context of these Recommendations / International Standards, documents are to be items such as memoranda, letters, invoices, forms and reports, which may include pictures and tabular material. The content elements used within the documents may include graphic characters, raster graphics elements and geometric graphics elements, all potentially within one document.
NOTE - These Recommendations / International Standards are designed to allow for extensions, including hypermedia features, spreadsheets and additional types of content such as audio and video.
In addition to the content types defined in these Recommendations / International Standards, ODA also provides for arbitrary content types to be included in documents.
These Recommendations / International Standards apply to the interchange of documents by means of data communication or the exchange of storage media.
These Recommendations / International Standards provide for the interchange of documents for either or both of the following purposes:
- to allow presentation as intended by the originator;
- to allow processing such as editing and reformatting.
The composition of a document in interchange can take several forms:
- formatted form, allowing presentation of the document;
- processable form, allowing processing of the document;
- formatted processable form, allowing both presentation and processing.
These Recommendations / International Standards also provide for the interchange of ODA information structures used for the processing of interchanged documents.
This ITU-T Recommendation / International Standard:
- defines a geometric graphics content architecture that can be used in conjunction with the document architecture defined in ITU-T Rec. T.412 / ISO/IEC 8613-2;
- defines an interface which allows the use of content structured according to ISO/IEC 8632 within documents structured according to ITU-T Rec. T.412 / ISO/IEC 8613-2;
- defines those aspects of positioning and imaging applicable to the presentation of this geometric graphics content architecture in a basic layout object;
- defines the presentation attributes applicable to this geometric graphics content architecture;
- describes a content layout process, which together with the document layout process described in ITU-T Rec. T.412 / ISO/IEC 8613-2, describes the layout of geometric graphics content in basic layout objects and determines the dimensions of these basic layout objects.
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