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<p>Jonathan,</p>
<p>I have something that with some modification might help you get
that information. <br>
</p>
<p><u><i><b>Question</b></i></u>: Youtube videos list the running
time (low-left part of frame) at rounded-off 1-sec intervals.
Would the 1-sec tolerance be sufficient for your needs? <br>
</p>
<p><u><i><b>Comment: </b></i></u>My tool is MATLAB-based but we can
work around that. <br>
</p>
<p>Please call me off line to discuss, if you have not found an
alternate solution. I will follow up with a call, too.</p>
Tony Galaitsis<br>
781-862-3607<br>
<p>==============<br>
</p>
<div class="moz-cite-prefix">On 7/31/21 10:14 AM, Schonfeld wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAMrdKmtO5Tx4oX0snC_7TPYG099EnGbtjLE_+Pgcz0rRmo8TpQ@mail.gmail.com">
<div dir="ltr">I want to measure how new-track starting locations
are distributed around the decay source. Quantum mechanics
makes a clear prediction but, remarkably, it has never been
tested (to my knowledge). Times or frame numbers are
nice-to-have. I could do without them.</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sat, Jul 31, 2021 at 9:54
AM Steve Isenberg <<a href="mailto:smisenberg@gmail.com"
moz-do-not-send="true">smisenberg@gmail.com</a>> wrote:<br>
</div>
<blockquote class="gmail_quote">
<div dir="auto">Jonathan,</div>
<div dir="auto">What are you trying to accomplish? What is
your goal, what would you do with the coordinates or frame
numbers?</div>
<div dir="auto">You might be able to grab this info manually
using video editing software but I don’t know a way to do it
automatically. Maybe there’s an app??</div>
<div dir="auto">-steve </div>
<div><br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sat, Jul 31, 2021 at
9:46 AM Schonfeld <<a href="mailto:jschonf@gmail.com"
target="_blank" moz-do-not-send="true">jschonf@gmail.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote">
<div dir="ltr">Hey wizards - Maybe someone can suggest a
solution to the following question:
<div><br>
</div>
<div>I've downloaded a YouTube video as an mp4 file.
(It's a video of tracks emanating from a small
radioactive source in a cloud chamber.) From time
to time I want to point and click on a feature in
the video (the starting point of a new track) and
have the coordinates and time (or frame number) of
the click automatically written to an Excel file. I
mostly use a PC but I could easily move to a Mac or
iPad. Do you know any simple ways to do this? -
Jonathan Schonfeld</div>
</div>
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