2012-01-01ãã1å¹´éã®è¨äºä¸è¦§
ããã¯FOSS4G Advenã°ã©ã³ã㪠2012ã¸ã®ã¨ã³ããªã¼è¨äºã§ããã©ãã©ãé«ããªããã¼ãã«ã«è¶³ã²ã£ãããªããããã¼ãã³ã°æ°å³ã§ããã¾ãã ä»åã¯ãææ°ã®ã¿ã¤ã«å·¥æ³ã¨FOSS4Gã®ã¨ãããã¼ã«ãå©ç¨ãã¦ããã£ã±ãå±±ããã©ãããããªããã¤ãªã®ãæ¤è¨¼ããæ¹æ³ãâ¦
Advent Calendarãåæã§è¡ããã¦ãã¾ããã http://gihyo.jp/news/info/2012/12/0101 ããã®ãªãã§ãFOSS4Gã«é¢å¿ã®ããç§ã¨ãã¦ã¯ããã£ãããªã®ã§ããã®éã«å°å³ãåãè¾¼ã¿ããããã§ããã¨ãããã¨ã§ãç§ã®å©ç¨ãã¦ããããã°ãã¯ã¦ãªãã¤ã¢ãªã¼ãã«Openâ¦
ããªã¼ã®è¡çç»å解æã½ããOrfeoãQGIS+Sextanteã§åããæ¹æ³ãç´¹ä»ãã¾ãããã®å¾ãã¾ã ããã ãã§ã¯æ£å¸¸ã«åããªããã¨ãåããã¾ãããOrfeoã®åé¡ãªã®ãQGISã®åé¡ãªã®ããè¨å®ã®åé¡ãªã®ãããåããã¾ãããä¸å¿åä½ããæ©è½ãããã¾ãããå¿ ãè½ã¡ãâ¦
Windowsã§QGISãã½ã¼ã¹ããã³ã³ãã¤ã«ããæ¹æ³ãç´¹ä»ãã¾ããæ¥æ¬èªã¾ããã®ãã°ãèªåã§ä¿®æ£ãããã¨ããªã©ã«ã©ããï¼ï¼ã¡ãªã¿ã«ãææ°æ©è½ã使ãããã ããªãOSGeo4Wã®qgis-devãã©ãããqgis-devã¯nightly buildã®ããã§ããï¼ ç§ã®ç°å¢ã¯ãWindowsXPãªã®â¦
Openlayersã使ã£ã¦ãã¼ã¿ãä½æãã¦ããããFusion Tablesã«ä¿åããæ¹æ³ãç´¹ä»ãã¾ãã ãã¼ã¿ãFusion Tablesã«ã¢ãããã¼ãããããã«ã¯ãã¾ãOauth2.0ã使ã£ã¦Googleã®ã¢ã«ã¦ã³ãã«ãã°ã¤ã³ããå¿ è¦ãããã¾ãã ãããããåå¾ããã¢ã¯ã»ã¹ãã¼ã¯ã使â¦
GeoTIFFããUTFGridãä½æããããã°ã©ã ãä½ãã¾ããã ããã使ãã°ãç»åã¨å ±ã«å±æ§å¤ãã¿ã¤ã«ã§é ä¿¡ã§ããããã«ãªãã¾ããç¹å¾´ã¯ã webãµã¼ãã¼ãããã°ããã âMapServerãGeoServerãªã©ã®å°å³é ä¿¡ãµã¼ãã¼ãç«ã¦ãªãã¦ãããã ã¿ã¤ã«ãªã®ã§ã¯ã©ã¤ã¢â¦
Openlayersã¨gdalã使ã£ã¦ãPreziãã®ãããª(ï¼)ãã¬ã¼ã³ãããæ¹æ³ããç´¹ä»ãã¾ããï¼ãã®è©±é¡ãéè¦ããã®ãï¼ï¼ 1. ã¹ã©ã¤ãããã¤ãã®ããã«powerpointãkeynoteã§ä½ãã¾ãã 2. ã§ããã¹ã©ã¤ããé«è§£å度ã§tiffãjpgã«æ¸ãåºãã¾ãã 3. æ¸ãåºããã¹ã©â¦
UTFGridãshpãã¡ã¤ã«ããä½æããæ¹æ³ãç´¹ä»ãã¾ãã UTFGridã£ã¦ãªã«ã£ï¼ã¨ãã人ã¯ãã¡ããã覧ãã ãããhttp://openlayers.org/dev/examples/utfgrid-geography-class.html http://mapbox.com/demo/visiblemap/ https://github.com/mapbox/utfgrid-specâ¦
500mã¡ãã·ã¥æ°´æ·±ãã¼ã¿http://www.jodc.go.jp/index_j.html ãGISã§ä½¿ããããã«å¤æããæ¹æ³ã§ãã âã§ãããã 0.ã¤ã³ã¹ãã¼ã« gdalã¨gawkã¨gmtãã¤ã³ã¹ãã¼ã«ãã¦ãã ãããï¼gdalã¨gawkã¯OSGeo4Wã§ãgmtã®ã¤ã³ã¹ãã¼ã«ã¯ãã¡ããåèã«ãã¾ãããhttp:/â¦
æ°è±¡åºã®æ¥å¥æµ·é¢æ°´æ¸©å³ã®ãããªãã®ãGMTã§ä½ãããã¨æãããã®æ¹æ³ããããã³ã°ï¼ï¼ï¼è©¦è¡é¯èª¤ããã®ã§ã¡ã¢ã£ã¨ãã¾ãã âã§ãããã ãã®1[:W360] âã§ãããã ãã®2 âã§ãããã ãã®3 1.水温ãã¼ã¿ã®åå¾ NEAR-GOOS å°åé 延ã¢ã¼ããã¼ã¿ãã¼ã¹ (RDMDBâ¦
æµ·åã®ãã¼ã¿ãGISã§å¦çããããªã¨èª¿ã¹ã¦ããã¨ããGMTã§ã®ä½æä¾ãè¦ã¤ãã¦ãããã¯ã«ãã³ããï¼çä¼¼ãããã¨æã£ãã®ã§ããã®æ¹æ³ããããã³ã°ï¼è©¦è¡é¯èª¤ããã®ã§ã¡ã¢ã£ã¨ãã¾ããï¼ãªãªã¸ãã«ã®ä½è ãã¾ã«æè¬ã§ãï¼ âã§ãããã 0.ã¤ã³ã¹ãã¼ã« ãããâ¦
GDALã§æ¥æ¬èªã®ãã¡ã¤ã«åãæ±ãæ¹æ³(ver1.8>=) ææ°ã®OSGeo4Wã§ã¤ã³ã¹ãã¼ã«ãããGDAL,OGRã¯ãã¼ã¸ã§ã³1.8ãªã®ã§ãããããã©ã«ãã®ç¶æ ã ã¨æ¥æ¬èªã®ãã¡ã¤ã«åãèªèãã¾ãããï¼ãã¼ã¸ã§ã³1.7ã¾ã§ã¯æ¥æ¬èªOKã§ããããã©ãããããã¼ã¸ã§ã³1.8ããä»æ§ãâ¦
ããã¾ã§èªç¶ç°å¢ã®èª¿æ»ã«ã¯å°å³ãéè¦ã ããã¨ããåç®ã®ãã¨ãå°å³ç»åâã©ã¹ã¿ã¼âGDALé¢ä¿ã®è¨äºã°ããã ã£ãã®ã§ãããããããã¯å°å³ã«è¼ãããã¼ã¿ã®åå¾æ¹æ³ããªãã¨ãããªããã°ã¨ããæ°ã«ãªã£ã¦ãã¾ããããã§ãGoogle Maps ã¨ã OpenLayersã¯ããã¯â¦
æ°å¤å°å³25000ï¼å°å³ç»åï¼ãgdalã使ã£ã¦geotiffã«ãã¦ãã£ã¤ããæ¹æ³ãç´¹ä»ãã¾ããèªåç¨ã¡ã¢ãªã®ã§èª¬æä¸è¶³ã®æãããã¾ãããã¨ããããå ¬éãã¾ãã 1.è³¼å ¥ http://net.jmc.or.jp/digital_data_gsiol_ima25000.html ããããå¿ è¦ãªç¯å²ããã¦ã³ãã¼ãâ¦