Contours me ka lokomaikaʻi he nui GIS

E hōʻoia ana i ka mea i hanaʻia e Gill GIS me nā'ōnaehana kikohopu,ʻike wau i ka hana a ka mea nui ma mua o nā mea a mākou iʻike ai no ka mālamaʻana i kaʻike honua. E hana wau i kumu hoʻohālike a mākou i hana ai ma ka hana nā alanui me ka Civil 3D.

E lawe i kahi kikohoila kiʻi

I loko o kēia Manifold he hoki ikaika, hiki iāʻoe ke lawe mai mai nā papahana maʻamau e mālama i nāʻikepili'āina, e like me ESRI, ENVI, IDRISI, ERDAS, a pēlā aku. Nāʻikepili pūnaewele i loko o nāʻano papahana e like me dbf, csv, txt.

ka nui o gt dtmI kēia hihia, makemake au e hoʻokomo i kahi .dem i hanaʻia me AutoDesk Civil 3D; no ka mea,ʻo wau nō ia:

Pākuʻu> ka lawe komo> ka'āina

Aʻo ia nō ia, ua hana wau i kahiʻano kiko'ī pūnaewele me nā mea o ka waihona mua, e like me ka projection, ka papahana i hanaʻia ai, a pēlā aku. Inā loaʻa keʻano o nā faila pūnaewele, noiʻo ia i ke kauoha i komoʻia ai lākou a me keʻano o ka mālā.

Inā makemakeʻoe e hana i nāʻikepili i loko o kahi wae, e hoʻololi i ka mea i ka honua, e hana waleʻia kope> pākuhi e like me kaʻilikai

E hana i nā laina kikowaena

No ka hanaʻana i nā laina kuhikuhina, e hanaʻoe i kēia mau mea:

Nānā> nā contours

A maʻaneʻi hiki iāʻoe ke koho i nā pākuʻi o kēlā me kēia pākahi, a iʻole kekahi mea hoʻonui, e hoʻokomoʻia ka mea mua a hoʻopiliʻia kēlā mea kēia mea. I kēia hihia, hoʻoholo au i ka 191 a me ka piʻiʻana o 1.

nui ka dtm2

Hiki iāʻoe ke koho i ke kauʻana i nā lālā haʻahaʻa a iʻole ka wahi ma waena o lākou, i ka wā eʻaeʻia ai e nā mea paʻakikī, nā kiʻekiʻe. Hoʻopiliʻia kēia me heʻanoʻano unuhi.

Hana i ka 3D View

No ka hanaʻana i kēia, hoʻokumuʻia ka papa me kahi subcomponent i kapaʻia 'āina, hiki keʻikeʻia kēia mea e like me ka nānāʻana o 3D, me ka koho ponoʻana inā makemakeʻoe uhi mai nāʻanuʻu'ē aʻe, ka lepo pāluʻi, ka'ōmole, ke kelepona a me ka hoʻokiʻekiʻe kiʻekiʻe.

nui ka dtm3

No ka hoʻokomoʻana i kahi hiʻona, ua hanaʻia e like me kahi e hana ana i kahi, koho Ki'eki'e. E noi i ka papa hilinaʻi a laila hiki ke hoʻololiʻia ke aho ma ka hoʻoukaʻana i nā kikowaena.

nui ka dtm2

Ka Hopena:

ʻAʻole maikaʻi, inā mākou e noʻonoʻo heʻano kēia o ka hoʻopaneʻeʻana Nā Kinohi UʻokoʻaLike kekahi GIS theming paahana o ka hana maʻamau, mea e ho okumu surfaces, akā, haule he pōkole ma ka olelo o ka practicality a me ka 'ē aʻe ana i nā hualoaʻa. Ma ka liʻiliʻi loa ho okumu i ka isometric nānaina me ka nui ku okoa ana loaʻa mai iaʻu i ka manawa pono, ka mea no hoi e loli ai na mea e paha ke ( 'ana e haʻalele, watershed wahi ma waena o curves) i ole he kaila o ka ahu iho, no laila, e update i ka ho pono e ua loaʻa hou.

Haʻalele i ka manaʻo hoʻopuka

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