From fork-admin@xent.com Mon Sep 9 10:46:03 2002 Return-Path: Delivered-To: yyyy@localhost.spamassassin.taint.org Received: from localhost (jalapeno [127.0.0.1]) by jmason.org (Postfix) with ESMTP id 995E316F03 for ; Mon, 9 Sep 2002 10:45:45 +0100 (IST) Received: from jalapeno [127.0.0.1] by localhost with IMAP (fetchmail-5.9.0) for jm@localhost (single-drop); Mon, 09 Sep 2002 10:45:45 +0100 (IST) Received: from xent.com ([64.161.22.236]) by dogma.slashnull.org (8.11.6/8.11.6) with ESMTP id g88NRCC16739 for ; Mon, 9 Sep 2002 00:27:13 +0100 Received: from lair.xent.com (localhost [127.0.0.1]) by xent.com (Postfix) with ESMTP id D97302941C7; Sun, 8 Sep 2002 16:24:03 -0700 (PDT) Delivered-To: fork@spamassassin.taint.org Received: from panacea.canonical.org (ns1.canonical.org [209.115.72.29]) by xent.com (Postfix) with ESMTP id 52EE52941C4 for ; Sun, 8 Sep 2002 16:23:43 -0700 (PDT) Received: by panacea.canonical.org (Postfix, from userid 1004) id 51F943F4E8; Sun, 8 Sep 2002 19:24:16 -0400 (EDT) From: kragen@pobox.com (Kragen Sitaker) To: fork@spamassassin.taint.org Subject: earthviewer (was Re: whoa} Message-Id: <20020908232416.51F943F4E8@panacea.canonical.org> Sender: fork-admin@xent.com Errors-To: fork-admin@xent.com X-Beenthere: fork@spamassassin.taint.org X-Mailman-Version: 2.0.11 Precedence: bulk List-Help: List-Post: List-Subscribe: , List-Id: Friends of Rohit Khare List-Unsubscribe: , List-Archive: Date: Sun, 8 Sep 2002 19:24:16 -0400 (EDT) On 9/8/02 7:38 AM, "Gary Lawrence Murphy" wrote: > J> ... If you want a region of the globe mapped out to a very > J> high resolution (e.g. 1-meter), they can scan the area with > J> aircraft LIDAR and add it to the database, thereby making that > J> region zoomable to the resolution of the database for that > J> area. > > Can you give us an example of an application where 1-m resolution > would be worth the considerable expense? Planning battle tactics; for this reason, the intelligence press reports, spy satellites have had 1-meter resolution for many years. Finding an individual vehicle in a city might occasionally be possible with 1-m images and might occasionally also be worth the money. For small areas you have legitimate access to, it's probably cheaper to go there with a digital camera and a GPS and take some snapshots from ground level. Aerial photos might be cheaper for large areas, areas where you're not allowed --- or, perhaps, physically able --- to go, and cases where you don't have time to send a ground guy around the whole area. -- Kragen Sitaker Edsger Wybe Dijkstra died in August of 2002. The world has lost a great man. See http://advogato.org/person/raph/diary.html?start=252 and http://www.kode-fu.com/geek/2002_08_04_archive.shtml for details.