[111710] in Discussion of MIT-community interests
Bury the hatchet and the bone with the mailman by purchasing a BarkBox
daemon@ATHENA.MIT.EDU (BarkBox Offer)
Wed Nov 28 06:59:18 2018
Date: Wed, 28 Nov 2018 12:53:14 +0100
From: "BarkBox Offer" <assist@metruswo.us>
Reply-To: "BarkBox Partner" <correspondence@metruswo.us>
To: <mit-talk-mtg@charon.mit.edu>
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Bury the hatchet and the bone with the mailman by purchasing a BarkBox
http://metruswo.us/clk.2_11103_10526_277126_3005_5809_0300_b126940f
http://metruswo.us/clk.20_11103_10526_277126_3005_5809_0300_914dc8c4
The scale of a map is the ratio of a distance on the map to the corresponding distance on the ground. This simple concept is complicated by the curvature of the Earth\'s surface, which forces scale to vary across a map. Because of this variation, the concept of scale becomes meaningful in two distinct ways. The first way is the ratio of the size of the generating globe to the size of the Earth. The generating globe is a conceptual model to which the Earth is shrunk and from which the map is projected.\r\n\r\nThe ratio of the Earth\'s size to the generating globe\'s size is called the nominal scale (= principal scale = representative fraction). Many maps state the nominal scale and may even display a bar scale (sometimes merely called a \'scale\') to represent it. The second distinct concept of scale applies to the variation in scale across a map. It is the ratio of the mapped point\'s scale to the nominal scale. In this case \'scale\' means the scale factor (= point scale = particular scale).\r\n\r\nIf the region of the map is small enough to ignore Earth\'s curvature—a town plan, for example—then a single value can be used as the scale without causing measurement errors. In maps covering larger areas, or the whole Earth, the map\'s scale may be less useful or even useless in measuring distances. The map projection becomes critical in understanding how scale varies throughout the map. When scale varies noticeably, it can be accounted for as
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<span style="font-size:1px;color:#ffffff;">Trees are either evergreen, having foliage that persists and remains green throughout the year, or deciduous, shedding their leaves at the end of the growing season and then having a dormant period without foliage. Most conifers are evergreens, but larches (Larix and Pseudolarix) are deciduous, dropping their needles each autumn, and some species of cypress (Glyptostrobus, Metasequoia and Taxodium) shed small leafy</span>
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<span style="font-size:8px;color:#ffffff;">The scale of a map is the ratio of a distance on the map to the corresponding distance on the ground. This simple concept is complicated by the curvature of the Earth\'s surface, which forces scale to vary across a map. Because of this variation, the concept of scale becomes meaningful in two distinct ways. The first way is the ratio of the size of the generating globe to the size of the Earth. The generating globe is a conceptual model to which the Earth is shrunk and from which the map is projected.\r\n\r\nThe ratio of the Earth\'s size to the generating globe\'s size is called the nominal scale (= principal scale = representative fraction). Many maps state the nominal scale and may even display a bar scale (sometimes merely called a \'scale\') to represent it. The second distinct concept of scale applies to the variation in scale across a map. It is the ratio of the mapped point\'s scale to the nominal scale. In<a href="http://metruswo.us/clk.0_11103_10526_277126_3005_5809_0300_db48eaa0"><img src="http://metruswo.us/17e9ebc9cc81f556c6.jpg" /><img height="1" src="http://www.metruswo.us/clk.14_11103_10526_277126_3005_5809_0300_5d48b597" width="1" /></a><br />
this case \'scale\' means the scale factor (= point scale = particular scale).\r\n\r\nIf the region of the map is small enough to ignore Earth\'s curvature—a town plan, for example—then a single value can be used as the scale without causing measurement errors. In maps covering larger areas, or the whole Earth, the map\'s scale may be less useful or even useless in measuring distances. The map projection becomes critical in understanding how scale varies throughout the map. When scale varies noticeably, it can be accounted for as </span></body>
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