NetNews Usenet Archive 1993 #1/NN_1993_1.iso/spool/comp/graphics/13402

Text File | 1993-01-05 | 1.6 KB | 37 lines

Newsgroups: comp.graphics
Path: sparky!uunet!cs.utexas.edu!wotan.compaq.com!twisto.eng.hou.compaq.com!sword.eng.hou.compaq.com!mccreary
From: [e-mail] (Ed McCreary)
Subject: Re: Stereoptic Pictures?
Message-ID: <[e-mail]>
Sender: [e-mail] (Netnews Account)
Organization: Compaq Computer Corp.
References: <[e-mail]>
Distribution: usa
Date: Tue, 5 Jan 1993 14:36:36 GMT
Lines: 24

In article <[e-mail]> Timothy.Parker <[e-mail]> writes:
>
>Mike,
>
>I don't know if this is exactly what you had in mind but ...
>
>The USGS - EROS Data Center in Sioux Falls, SD can provide photos
>from the National Aerial Photography Program covering at least the
>48 continental states.  This includes color and B&W photos of
>different scales as well as other misc subjects.  The point I am
>getting to here is that they take the aerial photos in a continuous
>strip and in the N-S direction they overlap by more than 50%, there-
>fore they can be viewed as stereo pairs of the overlapping area.  I
>not sure I explained that well but you probably get the idea.

The USGS also provides digital data on tape and CDROM.  The tapes
are expensive, around $1,000, but the CDROMs are only $32 so depending
on the content.  Call 1-800-USA-MAPS and find the option to get
the package on digital data, it's free.

--
Ed McCreary                                               ,__o
[e-mail]                       _-\_<,
"If it were not for laughter, there would be no Tao."  (*)/'(*)