A mafi sauki da za a gina a raga Taswirar kuskure: A bangare daga cikin taswirar

I e wannan post zuwa sosai sauki kuskure gudanar da aiki, yafi a cikin maps 1: 10,000 1 da: 1,000 amfani ga cadastral dalilai cire daga raga 1: 50,000.

Ka tuna cewa a cikin gidan da muka gabata mun ga yadda samar da wannan raga, kuma a baya mun ga yadda tafi farawa har sai kun isa hanyar 1: 1,000. Amma kuskure mafi sauki shi ne gaskata cewa za a iya raba raga a taswira, kuma wannan ba daidai bane. Dole ne a samar da haɗin gwiwa ta amfani da latitude da longitude duk lokacin da kake son ƙirƙirar ƙwanƙwasa kuma idan ba ka ga sakamakon ba.

Idan wannan shi ne wani sashe na 6 ° longitude da 8 ° latitud, m ga 16 yanki, samar da UTM kula da shi shi ne sauki da kuma aika shi zuwa AutoCAD. Yi tsammani wani ya zo wata hauka ga tunanin cewa wannan raga za a iya yanka daga cikin taswirar:

yanki na 16

Wannan ɓangaren, ba tare da yin la'akari da matsakaici ba, za a buɗe ƙoƙarin har sai an kai ga tsakiya inda zai haifar da bambanci na mita 2,318.63 na latitude.

yanki na 16

Lokacin yin wannan bangare, zai haifar da kuskuren irin wannan, amma hakan ya rage kamar haka:

1: 1,000 (6 °): babu wani bangare

Raɗa ɗaya daga 1: 500,000 (3 °): 2,318.63

Fara 1: 250,000 (1 ° 30)): 579.76

Sanya wanda daga 1: 100,000 (30 '): 129.00

Sanya wanda daga 1: 50,000 (15 '): 16.13

image Dabi'u ne tsakanin wani bangare kuma nan da nan, don haka dangane da yadda sau da yawa za ka bar accumulates degenerating karshen sakamakon ƙare har kasancewa cikakken bala'i idan mai kyau cartographer sake bitar aikin.

Mun kuma ga cewa idan muka ci da 50,000 takardar wannan cire raga 10,000 zai yi wani kuskure a cikin tsakiyar batu na zuwa 16 mita ga wani birane cadastral binciken zai zama musamman tsanani da kuma mafi muni, idan ba uniform saboda cewa ne kuskure a cikin mayar da hankali .

Ko da yake 10,000 bangare nesa ne quite kananan haka da yi daga wannan takardar a kan taswira ne sosai na kowa ... matuƙar sun iya kauce wa mafi alhẽri.

Matsalar ita ce lokacin da ake son samar da grid a cikin latitudes da kuma tsawon lokacin da muka gani wannan matsayiDon Buga dalilai amma mafi tsanani problmema ne a lokacin da da kuma reprojection aka yi (as NAD27 zuwa NAD83) tare da wani shirin sanya wannan dalilai, wannan zai samar da kurakurai gidajen abinci da za su yi tsaftacewa da topological azabtarwa.

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