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| GeoCommunity Mailing List |
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| Subject: | Re: [gislist] Video Capture inside AVI/MPEG, ArcGIS & GeoVideo |
| Date: |
12/23/2004 10:45:01 AM |
| From: |
P. Srinivasan |
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There must be something easier to use than the approaches below. Until
you find it, I hope one of these works for you.
Some graphic cards of desktop PCs have a TV Out or S Video port on the
card. My Toshiba laptop has a S Video port on the back, which I have
not
used so far. I am wondering if you can attach a TV via VCR,DVR to this
port
and record your computer output. You may have to follow screen
resolution
suggested by the users guide for this. I remember using this TV Out
port
during the DOS days for a VHS tape delivery. There WILL BE loss of
quality
going from digital to analog format. Perhaps a firewire cable to a DV
camera
is an alternative.
If you have worked with digital video editing software, try recording
the
GeoVideo on a separate file. Then overlay the two videos on two
channels
using the editing software. Mid-level to professional video editing
software
have special overlay options to give you a picture-in-picture look. You
only
need to line up the frames. And even add titles while you at it.
Another one to explore is Macromedia Flash to overlay the two videos.
Hope this helps.
Srini
_____________________________________________
P. Srinivasan
CertainTech, Inc.
Sterling, Virginia, USA
Web: http://www.certaintech.com
Email: srini@certaintech.com
----- Original Message -----
From: "Anthony Quartararo" <ajq3@spatialnetworks.com>
To: <gislist@lists.geocomm.com>
Sent: December 23, 2004 9:44 AM
Subject: [gislist] Video Capture inside AVI/MPEG, ArcGIS & GeoVideo
This is not a truly unique question for the GIS community, but there is
likely someone out there really smart who has tackled this before. I am
trying to put together a marketing video (avi) that demonstrations the
capabilities of some services we are offering. It involves ArcGIS (9.x)
and
Red Hen's GeoVideo product. The latter enables GPS synchronization of
video
for spatial video mapping. What I would like to be able to capture into
a
self-running avi or MPEG file is a small segment of video running under
GeoVideo (which is an extension of ArcGIS, so therefore, ArcGIS will be
running too). The video plays in a small window, while the GPS track is
displayed in ArcGIS as a shapefile, and the direction of travel is
indicated
and animated inside the shapefile window in sync with the video itself.
Ideally, I'd like to be able to capture this from start to finish,
demonstrating the various menu options, pause, still frame advance,
reverse,
snapshot capabilities for points of interest, etc. We have tried using
a
variety of "screen scraping" applications that supposedly grab 30+
frames
per second of the monitor display and put that into an output AVI or
MPEG
file, but so far, every time we play the output video file, the spatial
video box is black, with no video showing. The GPS shapefile animates
just
fine and the mouse movements are captured, pull down selections, etc.
but no
video. We have tried using Camtasia, CapturePad and even Windows Media
Encoder 9 series, NERO, and several others with varying degrees of
disappointment. Red Hen themselves seem to have similar problems and
they
suggest fiddling with the hardware acceleration settings in Windows, and
have yet to try that, thinking/hoping that there is a more elegant
software
solution out there.
Anyone from ESRI listening, or anyone that has had this requirement come
across their desk can offer up advice that works and I'll buy lunch or
dinner....
Thanks
Anthony
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