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Release: Value Historian, v20090105

Release Type: Beta
Version: 20090105
Release Notes
Warning: These patches are now part of DataTools. Use that plugin instead.

This is the initial beta release of the Value Historian patch. Please read the following description/instructions.

The Value Historian patch records values for later playback, similar to the queue patch.

Notable differences:

  • The patch saves its contents with the composition, so the same values will be present when you re-open the composition at a later date.
  • There are a variable number of inputs, controllable through the inspector panel.
  • You can import/export its current state to plist files.

Notable Limitations:

  • If you record Colors, Images, or any custom fancy type (QCStructures, Textures, Kineme3D objects, etc), it will function, but saving the composition will fail (and exporting the patch's state will fail). This is a limitation of property lists (Strings, Numbers, and bools work well). QCStructure support will probably be added in a future beta, before release.
  • If you record data at a time earlier than the latest recorded data, it will remove all currently recorded data. (So, if you recorded stuff from t=0 to t=10, then recorded at t=13, you're ok. If you recorded at t=9, it would erase everything). This needs to be discussed some (the purpose of this beta release), and then refined.
  • Recording isn't particularly memory-space efficient, so recording for very long periods of time will harm performance, and eventually crash QC. The length of "very long periods of time" depends on the number of items recorded, the type of data recorded, the framerate of the composition, and lots of other factors -- be careful before using this in a live performance setting.

Discuss here: http://kineme.net/Discussion/ForumDiscussion/ValueHistorianPatch20090105betadiscussion

PreviewAttachmentSize
ValueHistorian-20090105.zip114.45 KB

Installation Instructions

Place the plugin file in
/Users/[you]/Library/Graphics/Quartz Composer Patches/
(Create the folder if it doesn't already exist.)

Warning: These patches are now part of DataTools. Use that plugin instead.