Google Duniya; talla na gani don masu kallo

Google Earth, bayan zama kayan aikin nishadi ga jama'a, ya zama abin kariya na gani don zane-zane, duka biyu don nuna sakamakon kuma duba cewa aikin da ake yi yana da daidaito; kada a ce a matsayin kayan aikin pedagogical don geography ko geodesy azuzuwan.

A wannan halin zan taimaka wa Manifold GIS don gina quadrants da Google Earth don bincika sakamakon, amfani da wani aikin da muka ci gaba tare tare da Cristian Mejía, mai binciken daga Sucre wanda aka gudanar da aikinsa tare da taimakonsa. A ka'ida, muna buƙatar keɓance yankin da za mu yi aiki a kansa, a game da Bolivia, yana tsakanin yankuna 19, 20 da 21; da kuma latitude 8 da 24 digiri, a cikin kudancin duniya. Duk wannan za'a iya fitar da shi daga Google Earth tare da dubawa mai sauƙi, canza canjin don ganin shi a cikin UTM don yin la'akari da yankunan da kuma a geographic don ganin latitudes da longitudes.

1. Quadrant na bangarori uku na sha'awa.

A Manifold an yi tare da Duba> layin wutar lantarki

Sannan muna nuna cewa muna tsammanin quadrant wanda yake zuwa daga longitude -54 zuwa -72, basu da kyau saboda suna cikin yankin yamma. Kuma latitude da muka zaɓa tsakanin -8 da -24, har yanzu suna da ƙarancin kasancewa a ƙasa da mahallin.

Mun kuma nuna yadda muke son raba shi; cikakken girman shine 18 (3 6 spindles) a cikin latitude da 16 (sau 2 sau 8) a latitud. Muna nuna cewa kun yarda da mu fale-falen buraka maimakon layuka masu sauki. Kuma a can muna da yankuna uku, kamar yadda yake a sama a cikin Google Earth ,. Don gwada shi, mun danna layin da dama zuwa fitarwa zuwa kml, yana sanya yanayin gani ya zama mai ma'ana cewa a cikin dakin binciken ƙasa shekaru 20 da suka gabata yana da wuyar fahimta.

2. Maps 1: 250,000

Misali, zamuyi aiki na 20 a daidai wannan hanyar. A wannan yanayin, takaddun 1: 250,000 suna da girman digiri 1.5 x 1, kwatankwacin rarraba dukkanin yankin zuwa matrix 16 x 4 fale-falen buraka.

Mun nuna cewa yanzu muna so grid da ke tsakanin 60 da 66 tsawo, da kuma da latin 8 zuwa 24; wanda yana nuna cewa za a raba maki na 6 cikin sassan 1.5 da kuma latitudes a cikin sassan 1.

Anyi: don bincika, danna dama da fitarwa zuwa kml. A cikin lat / dogon kallo zaka iya bincika idan layukan sun dace da grid ɗin Google Earth.

Don ƙara centroids, duk fale-falen an zaɓa, kuma ana amfani da aikin sarrafa ƙasa, kamar yadda aka gani a cikin zane mai zuwa. Ba lallai ba ne a sake yin wani layin, tunda Manifold yana tallafawa nau'ikan abubuwa a ciki, idan kuna son aikawa zuwa wani, bai kamata ku zaɓi su ba saboda an halicce su da zaɓin da aka kunna saboda kawai yanke / manna.

3. Maps 1: 100,000

A wannan yanayin, babu wani abu da ya canza fiye da sauyin yanayi, an rarraba nauyin 1.5 zuwa sassa uku, saboda haka suna zama 0.50 x 0.50.

4. Taswirar 1: 50,000

Ya tafi ba tare da faɗi cewa layin na gaba ya kasu kashi 0.25 x 0.166667, tunda muna rarraba shi zuwa matrix 2 x 3, kamar yadda aka gani a sakamakon ƙarshe. A hannun dama ana nuna alamun, a cikin babban fayil kuma a ƙasa da su a cikin taswira, kamar su kamar yadda muka bayyana a rana ɗaya.

Kuma wannan ita ce yadda zai kasance a cikin Google Earth, za mu iya yin shi gaba daya, tare da dukan yanki, duk da haka ba dace ba saboda muna bukatar mu canza su zuwa UTM kuma anyi haka tare da lakaran da aka raba ta wurin.

Shi ne m cewa .map fayil da yawa dauke da duk yadudduka KB matakan kawai 85 da 59 kb na Google Earth.

Anan zaka iya sauke fayil a tsari .map don Gifar GIS da kuma .kmz don Google Earth.

Aƙarshe, yin hakan ba tare da Google Earth ba zai buƙaci ƙarin lokaci mai yawa na duba abu da kuma shakku game da kuskuren da mai yuwuwa. Hotunan Google ba zai kasance daidai ba, amma a matsayin kayan aiki na pedagogical zai iya zama da amfani sosai ga matakin da ya samo asali ya dauki nauyin yanayi har zuwa ƙananan kayan ado.