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Gallâ€“Peters projection - Wikipedia
nilab 2010/09/27
Gallâ€“Peters projection - Wikipedia, the free encyclopedia

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http://code.google.com/intl/ja/apis/maps/documentation/javascript/examples/map-coordinates.html
nilab 2010/09/27
Google Maps JavaScript API v3 Example: Map Coordinates

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http://code.google.com/intl/ja/apis/maps/documentation/javascript/maptypes.html
nilab 2010/09/27
Google Map Javascript API V3 - Map Types - Google Maps JavaScript API V3 - Google Code:Tile Coordinates:"Google's implementation of the Mercator projection, the origin tile is always at the northwest corner of the map, with x values increasing from west to east and y values increasing from north ...

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What is SpatialReference.org? SpatialReference.org is a comprehensive online resource dedicated to providing detailed information and reference materials on spatial coordinate reference systems. This website is essential for geospatial professionals, GIS developers, and cartographers, providing an extensive database of spatial reference systems used globally. The website allows users to search, ac
nilab 2009/01/05
Home -- Spatial Reference : Projection as WKT, proj4, etc.:EPSG:ESRI:IAU2000 : ã„ã‚ã„ã‚ãªæŠ•å½±æ³•ã®ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ãªã©

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nilab 2008/03/13
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nilab 2007/08/09
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nilab 2007/06/21
Poison Maps GeoTrans

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Google Maps API ãªã©ã‚’ä½¿ã†ã«ã‚ãŸã‚Šã€æ¸¬åœ°ç³»å¤‰æ›ã®ã‚¹ã‚¯ãƒªãƒ—ãƒˆã‚’ä½œæˆã—ãŸã®ã§å…¬é–‹ã—ã¾ã™ã€‚ãƒ©ã‚¤ã‚»ãƒ³ã‚¹ã¯ GNU GPL ã§ã™ã€‚ ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ï¼šgeotool.js ã“ã“ã‚®ã‚³ï¼ã®ããã•ã‚“ãŒ Perl ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã§ã‚‚ã£ã¨ç´ æ™´ã‚‰ã—ã„ã‚‚ã®ã‚’ä½œã£ã¦ã„ã‚‰ã£ã—ã‚ƒã„ã¾ã™ã€‚ http://kokogiko.net/wiki.f/Location%2DGeoTool æ°´è°·æ•è¡Œã•ã‚“ã‚‚ã€Google Maps APIã¨åˆã‚ã›ã¦ä½¿ã†ãŸã‚ã®ã€ä¸–ç•Œæ¸¬åœ°ç³»(WGS)ã®çµŒç·¯åº¦åº§æ¨™ã¨é•·æ–¹å½¢é ˜åŸŸã‚’æ‰±ã†javascriptã®ã‚¯ãƒ©ã‚¹ãƒ»ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’ä½œã£ã¦ã„ã‚‰ã£ã—ã‚ƒã„ã¾ã™ã€‚ ä¸»ãªä½¿ã„æ–¹ã¯ã€ä»¥ä¸‹ã§ã™ã€‚ wgs = Geotool.wgs2tky(deg.lat, deg.lng); dms.lat = Geotool.dms2deg(wgs.lat); dms.lng = Geotool.dms2deg(wgs.lng)
nilab 2007/02/19
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Google Maps ã‚’ä½¿ã£ãŸã‚¦ã‚§ãƒ–ã‚¢ãƒ—ãƒªã‚’æ›¸ã„ã¦ã„ãŸã®ã§ã€ãã®æ´¾ç”Ÿç‰©ï¼ˆé–¢æ•°ï¼‰ã‚’ã€‚ # IN: latitude(from), longitude(from), latitude(to), longitude(to) # OUT: distance(meter) sub dist { my ($lat_1, $lon_1, $lat_2, $lon_2) = @_; my $pi = atan2(1, 1) * 4; my $radius = 6378140; $lat_1 = $lat_1 * $pi / 180; $lon_1 = $lon_1 * $pi / 180; $lat_2 = $lat_2 * $pi / 180; $lon_2 = $lon_2 * $pi / 180; my $deg = sin($lat_1) * sin($lat_2) + cos($lat_1)
nilab 2006/12/19
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