<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi Martin,<div class=""><br class=""></div><div class=""> You can have Chimera save a series of transparent background images using the movie command, for example,</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>set bgtransp</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>movie record dir ~/Desktop/test format png ; turn y 1 90 ; wait 90 ; movie stop</div><div class=""><br class=""></div><div class="">Then you would need to encode the PNG images in ~/Desktop/test into a movie using some encoding program. I doubt the Chimera "movie encode" command supports any video format that can handle transparent background. Chimera uses ffmpeg to encode movies and apparently ffmpeg can encode some video formats with transparency, for example, as described here the motion PNG format in .mov can handle transparency</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span><a href="https://stackoverflow.com/questions/644684/turn-image-sequence-into-video-with-transparency" class="">https://stackoverflow.com/questions/644684/turn-image-sequence-into-video-with-transparency</a></div><div class=""><br class=""></div><div class=""> Tom</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Oct 28, 2019, at 10:06 AM, Martin Textor wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Hello,<div class=""><br class=""></div><div class="">I was wondering if it is possible to create movies with a transparent background? I know that it's possible to create images with a transparent background and that the video formats supported by Chimera to encode movies include avi and mov, both of which support an alpha channel as far as I know.</div><div class=""><br class=""></div><div class="">Kind regards,</div><div class="">Martin Textor<br clear="all" class=""><div class=""><br class=""></div></div></div>
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