![]() He also provides tips from experience for example he has found that a 120 second interval makes for the best timelapses. In fact, ’s two shell scripts are great project resources, not only because they are easily modified and well documented, but because he doesn’t make assumptions about how well one might know the command line. Since is mainly interested in tracking clouds his system only runs during daylight hours, but it can be easily changed. All that’s needed besides a source for the stills are two shell scripts and some common Linux utilities. ![]() The resulting video file is either served from the same machine, or sent elsewhere. The idea is to automatically fetch images from a remote source (in his case, an infrared sky camera) and turn them into a cumulative video that is regularly updated for the day in question. The resulting timelapse video is always available from the web, and always up-to-date for the current day. There are plenty of ways to create timelapse videos, but has an efficient method for ensuring up-to-date ones exist for his infrared sky camera, and he has it running thanks to some well-documented shell scripts on a spare Raspberry Pi. ![]() Timelapse fragment from an infrared sky camera watching cloud patterns.
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