http://www.theworld.org/2012/11/sandy-island/?utm_source=rss&utm_medium=rss&utm_campaign=sandy-island Global Perspectives for an American Audience Tue, 12 Feb 2013 14:49:00 +0000 hourly 1 http://wordpress.org/?v=3.4.2 http://www.theworld.org/2012/11/sandy-island/comment-page-1/#comment-26613 NgNsNb Tue, 27 Nov 2012 04:23:00 +0000 http://www.theworld.org/?p=148823#comment-26613  I used to make soil surveys.  We would take aerial photographs out to the field, dig holes and draw pencil lines, then we would put them under the stereo scope and adjust the lines to meet slope classes, and ink them.  Then off they when to map finishing to make the joins to adjacent maps and add cultural features.  The finishers did not get out to the field, and sometimes would add some really strange things, mostly unintentionally.  I used to make soil surveys.  We would take aerial photographs out to the field, dig holes and draw pencil lines, then we would put them under the stereo scope and adjust the lines to meet slope classes, and ink them.  Then off they when to map finishing to make the joins to adjacent maps and add cultural features.  The finishers did not get out to the field, and sometimes would add some really strange things, mostly unintentionally.

]]> http://www.theworld.org/2012/11/sandy-island/comment-page-1/#comment-26610 Jeff_Jenness Mon, 26 Nov 2012 23:07:00 +0000 http://www.theworld.org/?p=148823#comment-26610 Sometimes mapmakers add fictitious objects as sort of "copyright traps" to prevent others from just copying their work.  For example, see http://www.straightdope.com/columns/read/1058/do-maps-have-copyright-traps-to-permit-detection-of-unauthorized-copies and http://www.theawl.com/2011/08/that-maps-all-wrong-for-you. Sometimes mapmakers add fictitious objects as sort of “copyright traps” to prevent others from just copying their work.  For example, see http://www.straightdope.com/columns/read/1058/do-maps-have-copyright-traps-to-permit-detection-of-unauthorized-copies and http://www.theawl.com/2011/08/that-maps-all-wrong-for-you.

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