» Patch Conversions & Pack Versioning
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Patch Conversions & Pack Versioning

Pretty early in its devvvvelopment vvvv introduced an automatic patch conversion system that allowed us devvvvelopers to change nodes' behaviours, namings and defaults under the hood, while converting users' patches in a way that no damage is done to old patches.

The diffff.xml file in vvvvs lib folder has all the info of changes between the different versions.
In many cases we ship legacy nodes with the unchanged behaviour but now change their name to reflect that they are legacy. The diffff.xml then only needs to convert the old patches in a way that the legacy node is taken and not the node with the new behaviour...

Since we now also have pretty huge packs, managed by external devvvvelopers, we now also introduce versioning per pack.
Packs from now on may ship a version.info file and a diffff.xml file.
When vvvv starts up it figures out which packs are loaded and stores the versioning infos of all packs into the patches to be able to convert them later on.

If you are an author of a pack or just want to learn more about pack versioning, please have a look here:
https://github.com/vvvv/vvvv-sdk/tree/develop/vvvv45/tests/testPack
This folder shows you some ideas about conversion and also back conversion.

If you feel like it, you could temporarily move this folder into your packs folder to have a try.

Read the diffff.xml for further info. You might want to use this as your starting point when creating your own diffff.xml.

have ffffun!!

gregsn, Sunday, Feb 9th 2014 Digg | Tweet | Delicious 0 comments  
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Shoutbox

~8h ago

beyon: tekcor: no, but I have a old Roland DXY-980 plotter depending on your needs

~2d ago

tekcor: Hey, does someone has an AxisDraw V3/A3 for sale?

~7d ago

nanotekt: vvvv+blender=lovvvve :D https://youtu.be/dUyeoi9mBIc

~7d ago

Patxi7: Pepper's Ghost & vvvv https://vimeo.com/632159133

~12d ago

mediadog: @manuelgonzalvez Needed to explicitly install VLC for VLC2; I use 3.0.6-win64 for stability.

~12d ago

mediadog: @manuelgonzalvez 42 getting crashes from DX11 VLC lib after last Win10 update. Switched to VLC2 plugin OK so far.

~13d ago

sunep: Looks interesting. Can't find a price though https://en.ids-imaging.com/ensenso-3d-camera-s-series.html

~24d ago

joreg: @guest re svg export: i'm afraid not.

~24d ago

joreg: @manuelgonzalvez what's stopping you? now is the time!

~24d ago

joreg: @schlonzo glad you like it!