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<div>Hi</div><div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><br></div><div>I'm trying to put together a video bluescreen and I'm just not finding the right object I think. pix_multiply sort of does what I want by dropping out white in a video and replacing it with another video but how do I get this working with a defined colour (i.e. not necessarily white but the blue or green normally used in studios). There seem a few objects that deal with different ways of mixing images/videos pix_mask, pix_mix, pix_composite etc. Which is the right one to use? Thanks in advance.</div><div><br></div><div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">a+</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">gar</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">_________________</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><a href="mailto:Garrett@asquare.org">Garrett@asquare.org</a> </div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><a href="http://www.asquare.org/">http://www.asquare.org</a>/</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><a href="http://www.asquare.org/networkresearch/">http://www.asquare.org/networkresearch/</a></div><div><br class="khtml-block-placeholder"></div><div><br class="khtml-block-placeholder"></div></div></div></div></div></body></html>