Rendering Images in Tiles
The tiled rendering process breaks up the image into a series of tiles. Each tile is then, in turn, processed as individual images and written to disk as a rendered tile file. Upon completion of the last tile, all of the rendered tile files are combined into a single, finished image file, and the rendered tile files are then deleted. For example, if an image is 10000x5000 pixels, a tiled render will process 1024x1024 sections and combine those to give the final image.
Error Recovery
Rendering an image in tiles and writing each tile to disk makes it is possible to recover from an interruption in the process.
Using Multiple Systems
The Render Image in Tiles option lets you use multiple systems to render and save a single image. All of the systems must be connected to a common networked file system.
The system on which the tiled rendering process is initiated creates the control file on the shared network drive. The Continue button in the Save Image dialog (see To restart a tiled rendering after an interruption) is used on subsequent systems to continue the processing with the first unrendered tile. After the last rendered tile file in the series is created, the system by which this file was generated combines all of the previous tiles together and creates the final image file. This system also deletes the individual rendered tile files.