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Bill, the other thing I forgot I was going to mention: I don’t think a linear change in size will work in Premier, if that’s what you’re doing. The size something looks is determined by dividing how far away it is, not by multiplying. If you call z the distance
between the object and the camera, then the size of a 2-meter object will be 2/z. So as your z decreases, your visible size increases, but not linearly.
<div class=""><br class="">
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<div class="">James<br class="">
<div class="">
<div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">
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<font face="Arial" class="">—<br class="">
<b class="">James Vanderhyde<br class="">
</b>Associate Professor<br class="">
Computer Science<br class="">
Saint Xavier University<br class="">
3700 W. 103rd St.<br class="">
Chicago, IL 60655<br class="">
773-298-3454</font></div>
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<font face="Arial" class=""><a href="mailto:vanderhyde@sxu.edu" class="">vanderhyde@sxu.edu</a></font></div>
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<font face="Arial" class=""><a href="http://sxu.edu" class="">sxu.edu</a></font></div>
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<div class="">On Aug 29, 2022, at 11:18 AM, Barnum, William via alice-teachers <<a href="mailto:alice-teachers@lists.andrew.cmu.edu" class="">alice-teachers@lists.andrew.cmu.edu</a>> wrote:</div>
<br class="Apple-interchange-newline">
<div class="">
<div class="">
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<span style="font-size: 11pt;" class="">CAUTION: This email originated from outside of the organization.</span></p>
<div class="">
<div dir="ltr" class="">James,
<div class=""><br class="">
</div>
<div class="">Based on everyone's response, I believe you are correct that the issue is on the Premiere Pro side of it.</div>
<div class=""><br class="">
</div>
<div class="">Bill</div>
</div>
<br class="">
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Mon, Aug 29, 2022 at 9:52 AM Vanderhyde, James <<a href="mailto:vanderhyde@sxu.edu" class="">vanderhyde@sxu.edu</a>> wrote:<br class="">
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div style="overflow-wrap: break-word;" class="">Bill, did you try using the face of a Box instead of a billboard? I thought maybe there was some difference in behavior between billboards and other objects, but I just tried it in Alice and nothing seems to
be amiss.
<div class=""><br class="">
</div>
<div class="">I don’t know how to use Premiere, but it seems to me the error is in that part of the process.</div>
<div class=""><br class="">
</div>
<div class="">I don’t think what you’re doing is unreasonable. It’s what the character interactions in the Myst series is based on. It’s also how they got Princess Leia into Rogue One.</div>
<div class=""><br class="">
</div>
<div class="">James<br class="">
<div class="">
<div dir="auto" style="letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration: none;" class="">
<div style="letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;" class="">
<font face="Arial" class="">—<br class="">
<b class="">James Vanderhyde<br class="">
</b>Associate Professor<br class="">
Computer Science<br class="">
Saint Xavier University<br class="">
3700 W. 103rd St.<br class="">
Chicago, IL 60655<br class="">
773-298-3454</font></div>
<div style="letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;" class="">
<font face="Arial" class=""><a href="mailto:vanderhyde@sxu.edu" target="_blank" class="">vanderhyde@sxu.edu</a></font></div>
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<div class=""><br class="">
<div class="">On Aug 28, 2022, at 9:43 PM, Barnum, William via alice-teachers <<a href="mailto:alice-teachers@lists.andrew.cmu.edu" target="_blank" class="">alice-teachers@lists.andrew.cmu.edu</a>> wrote:</div>
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<div class="">
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<span style="font-size:13pt;color:rgb(156,101,0)" class=""><b class="">[EXTERNAL EMAIL]</b></span><span class=""> </span><span style="font-size:11pt" class="">CAUTION: This email originated from outside of the organization.</span></p>
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<div dir="ltr" class="">
<div dir="ltr" class="">Melanie and others,<br class="">
<div class=""><br class="">
</div>
<div class="">Most recently I placed a sphere in the center of the billboard, and used the camera commands pointAt(Sphere) and move(FORWARD)</div>
<div class=""><br class="">
</div>
<div class="">I've included a video clip to demonstrate. You can see the image, and then it switches to the video overlay.</div>
<div class=""><br class="">
</div>
<div class="">The video gets too large, too fast, but then catches up by the end.</div>
<div class=""><br class="">
</div>
<div class="">Don't pay any attention to what I'm rambling about. I was just using some old footage as a proof of concept.</div>
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</div>
<div class="">It's very possible that I'm using Adobe Premiere wrong or that I'm trying to do something that isn't reasonably doable.</div>
<div class=""><br class="">
</div>
<div class="">I appreciate all the feedback I've gotten so far, and this is just for fun, so not very important. 🙂</div>
<div class=""><br class="">
</div>
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<div class=""><br class="">
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<div class="">Bill</div>
</div>
<div style="outline:none;padding:10px 0px;width:22px;margin:2px 0px 0px" class="">
<br class="">
</div>
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<br class="">
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sun, Aug 28, 2022 at 8:44 PM Melanie Lam <<a href="mailto:melanielam@cmu.edu" target="_blank" class="">melanielam@cmu.edu</a>> wrote:<br class="">
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr" class="">Hi Bill<br class="">
<div class=""><br class="">
</div>
<div class="">Which procedure are you using: Camera MoveTo OR MoveTowards? </div>
<div class=""><br class="">
</div>
<div class="">-Melanie</div>
</div>
<br class="">
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sun, Aug 28, 2022 at 6:19 PM Barnum, William via alice-teachers <<a href="mailto:alice-teachers@lists.andrew.cmu.edu" target="_blank" class="">alice-teachers@lists.andrew.cmu.edu</a>> wrote:<br class="">
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr" class="">Hey all,<br class="">
<div class=""><br class="">
</div>
<div class="">I'm working on a personal project for fun and have run into a roadblock.</div>
<div class=""><br class="">
</div>
<div class="">I don't think there is a simple solution, but if anyone knew, it would be people on this list. 🙂</div>
<div class=""><br class="">
</div>
<div class="">I'm zooming in on a "billboard" with a person's picture on it.</div>
<div class=""><br class="">
</div>
<div class="">I want to record the program running and use Premiere Pro to overlay the picture with a video of the person talking. As the billboard gets closer, the video of the person gets larger.</div>
<div class=""><br class="">
</div>
<div class="">The idea is to create the illusion that the person is inside the Alice 3 world.</div>
<div class=""><br class="">
</div>
<div class="">My difficulty is that as the camera gets closer to the billboard, it doesn't increase the billboard size at a linear pace. It seems like it increases in size slowly but then speeds up as I get closer to it. I have animation style set to "begin
and end abruptly".</div>
<div class=""><br class="">
</div>
<div class="">Is there a way that I can move the camera towards the billboard at a variable speed so that the billboard increases in size linearly?</div>
<div class=""><br class="">
</div>
<div class="">Thanks in advance for any advice you can provide,</div>
<div class="">Bill Barnum</div>
</div>
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