72 lines
3.3 KiB
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72 lines
3.3 KiB
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From fork-admin@xent.com Mon Sep 9 10:46:24 2002
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<0H25005UQJA6KW@mta7.pltn13.pbi.net> for fork@xent.com; Sun,
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08 Sep 2002 20:34:55 -0700 (PDT)
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From: James Rogers <jamesr@best.com>
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Subject: Re: earthviewer (was Re: whoa}
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Date: Sun, 08 Sep 2002 20:34:54 -0700
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On 9/8/02 8:09 PM, "Gary Lawrence Murphy" <garym@canada.com> wrote:
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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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It seems that several people are missing the point that this is NOT an image
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database. It is high-resolution topological data rendered in three
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dimensions. Images are overlayed on the topological data to help people
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navigate familiar terrain visually. In other words, it is not intended as a
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wannabe spy satellite. Rather it is a very accurate three dimensional model
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of the earth's surface. When a particular region in question is covered in
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a city, the buildings in the city are mapped as though they are part of the
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earth's surface. The part that makes the app killer is that you can map all
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sorts of data layers on top of their core topological data.
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Got it?
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-James Rogers
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jamesr@best.com
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