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Programmatic OR condition based DNG artefact search & processing

Marko Tomljenovic (31643105) | asked Dec 18 '17, 6:26 a.m.
edited Dec 18 '17, 6:27 a.m.


we are currently developing/planning a tool that shall process (read) some DNG artefacts and create a sort of report out of the processed data. The tool will not have a fancy GUI, it will be purely command line based.

For finding out the artefacts we would like to use (under the hood) DNG views for performing the search for artifacts. Now I have seen that DNG views do not support any OR condition. All the view criterias are chained with an "AND" condition.
Doing some web client reverse engineering I can see that the view is stored in a RDF/XML structure. Looking at the RDF spec it seems to me that rdf:seq represents the AND condition, and rdf:Alt represents an OR.

Is the DNG view restriction (only AND conditions) only a DNG client side restriction or also a server side restriction? If it is only client side can you point to some documentation/examples that can help in creating/running a view (with ORs) in our headless tool?

Thank you a lot

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