108 lines
4.9 KiB
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108 lines
4.9 KiB
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From fork-admin@xent.com Mon Sep 9 10:46:20 2002
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Sun, 8 Sep 2002 23:09:17 -0400 (EDT)
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To: kragen@pobox.com (Kragen Sitaker)
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Cc: fork@example.com
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Subject: Re: earthviewer (was Re: whoa}
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References: <20020908232416.51F943F4E8@panacea.canonical.org>
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From: Gary Lawrence Murphy <garym@canada.com>
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X-Home-Page: http://www.teledyn.com
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Organization: TCI Business Innovation through Open Source Computing
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Date: 08 Sep 2002 23:09:17 -0400
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>>>>> "K" == Kragen Sitaker <kragen@pobox.com> writes:
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K> Planning battle tactics; for this reason, the intelligence
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K> press reports, spy satellites have had 1-meter resolution for
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K> many years.
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The military already have these spy satellites; they are basically
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Hubble pointed the other way, so I doubt they will be a big enough
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customer of this service to justify a next-generation wireless
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network rollout for the rest of us.
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K> Finding an individual vehicle in a city might occasionally be
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K> possible with 1-m images and might occasionally also be worth
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K> the money.
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My car is only just over 1.5 meters across and maybe 3 meters long, so
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that means roughly six pixels total surface area. You might find a
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16-wheeler this way, but how often do people misplace a 16-wheeler
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such that it is _that_ important to get old images of the terrain?
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Since they can't send up aircraft to update images in realtime every
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time, how is this different from just releasing the map on DVDs? Why
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wireless?
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I thought of the common problem of lost prize cattle, but there again,
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will there really be business-case for creating a hi-res map of
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wyoming on the fly instead of just doing what they do now and hiring a
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helicopter for a few hours?
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K> For small areas you have legitimate access to, it's probably
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K> cheaper to go there with a digital camera and a GPS and take
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K> some snapshots from ground level. Aerial photos might be
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K> cheaper for large areas, areas where you're not allowed --- or,
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K> perhaps, physically able --- to go, and cases where you don't
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K> have time to send a ground guy around the whole area.
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I can see lower-res being useful for Geologists, but considering their
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points of interest change only a few times every few million years,
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there's not much need to be wireless based on up-to-the-minute data.
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I expect most geologists travel with a laptop perfectly capable of DVD
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playback, and I also expect the most interesting geology is in regions
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where the wireless ain't going to go ;)
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I don't mean to nit-pick, it's just that I'm curious as to (a) the
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need for this product that justifies the extreme cost and (b) how we'd
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justify the ubiquitous next-generation wireless network that this
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product postulates when we /still/ can't find the killer app for 3G.
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--
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Gary Lawrence Murphy <garym@teledyn.com> TeleDynamics Communications Inc
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Business Advantage through Community Software : http://www.teledyn.com
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"Computers are useless. They can only give you answers."(Pablo Picasso)
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