This is something I have been wanting to do but haven't thought through how to implement it. The concept has been done many times in other apps so if anyone out there has experience and is willing to offer some time to add this to GSP, we would all be thankful.

Or if you know of any open source code projects that can help with this, let me know.

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Roger Martin
Lead Developer for Gallery Server Pro

Mike,

for the time being I made a more or less quick hack in Rogers Source (currently recoding and reviewing) it, to support all custom XMP tags in every namespace. Currently we read out the whole XMP stream, pushing it in an XML namespace reading only those single nodes we care for.

The MS Implementation of WPF has some bugs when reading additional tags (other than current Galleryserver does) running in a multithreaded environment.

I'd be glad to help you.

Ralf.

Mike,

with XMP Adobe tried to integrate Asset Metadata in a very scalable and flexible format.

the .net 3.5 wpf classes are capable of Querying and !WRITING! that data (with a few bugs inside), actually GalleryServerPro uses that with .net 3 installed.

With XMP you can use every XMP-aware Application (there are a lot of them) to edit metadata.

For our current project I rewrote Rogers Metadataextraction using the XMP structure to obtain hierarchical data for keywords, different languages and other representation data.
see Picture Archive.

Classifying media is done in a front-end application like all Adobe CreativeSuite applications or, in that case, Adobe Lightroom.

Tag clouds are just another matter of presenting the already existing metadata. Using .net there's a Cloud Control, weights for the tags could be derived from the hierahical keyword representation in Lightroom or any other custom idea.

I'm now waiting for a more robust implementation of the WPF classes from Microsoft allowing to write back changed metadata to the assets.


Ralf