Explanation

Code 19 is used to indicate that a publication contains images of diagrams, charts, and graphs.

Code 19 is typically set in a <ProductContentType> element for digital publications, as images of diagrams, charts, and graphs are usually secondary content.

Only for use in ONIX 3.0 or later.

Schema.org mapping

Code 19 is the equivalent of setting a visual access mode using schema.org metadata.

Examples

Example 1 — Textbook with graphs 
…
<PrimaryContentType>10</PrimaryContentType>
<ProductContentType>19</ProductContentType>
…

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