tmxrasterizer: Added --frames and --frame-duration arguments #3868
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These allow exporting animated maps as multiple numbered images, which can be combined into a GIF or other format using another tool. The --advance-animations parameter stays for compatibility, and determines the time of the first exported frame, whereas --frame-duration determines the time between each frame.
This generally doesn't speed up the process much, since saving the PNGs is often the slowest bit, but it could matter when rendering many frames of huge maps. In case of rendering a world things are more complicated, so for now the maps are still loaded repeatedly.
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These allow exporting animated maps as multiple numbered images, which can be combined into a GIF or other format using another tool.
The
--advance-animationsparameter stays for compatibility, and determines the time of the first exported frame, whereas--frame-durationdetermines the time between each frame.Example usage:
The above will create the following list of images:
And each rendered frame will have advanced by another 100ms from the previous one (the default frame duration).
This is related to #1433, though it does not actually create a GIF (but other animation formats may be preferred anyway).