Documents caches

Some documents generate cache files when they're saved. For instance, Soils and Plants are creating caches when saved. These documents caches are helpful to speed-up the loading of the document when it gets used in a scene. Documents caches are stored in the .red proprietary file format and are located under the "Cache" folder of the working directory structure.

Document caches load much faster than the document data they represent. They take some disk space too ;)

Some rules about documents caches:

• Documents caches are only generated when a document is saved (so it has to be modified somehow for this to happen first).
• Reloading a document will invalidate its cache. This may be needed when some files used by a document are changed outside of NDunes. For instance if you change a texture image used by a soil by directly copying it, you have to reload that file or the document to invalidate the cache. NDunes will not automatically detect the change.
• A cache can be manually cleaned up from the cache folder (just search for the document name file plus the .red suffix and delete it) or all documents caches can be deleted using the "Clear cache" command from the file menu.
• Documents caches can be exported with scenes that are packed as archives for sharing.

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