Geospatial - GISsababbin abubuwa

Abin da ke kawowa duniya Mapper 13

An sanar da sabon sigar Global Mapper, a cikin sigar 13 don duka rago 32 da 64. Kodayake wannan shiri ne wanda ake tambaya game da karfin GIS, sauƙin sa ya sa ya zama sananne sosai, musamman don sarrafa nau'ikan abubuwa uku da damar shigo da fitarwa tsakanin fasali daban-daban.

v13boxshot2Akwai canje-canje da yawa, Zan yi ƙoƙari na taƙaita waɗanda suka kama ni da kuma na yi la'akari da muhimmanci, amma ga masu amfani da wannan shirin na da yawa.

Tsarin goyon baya

  • Canji mafi ban mamaki shine tallafin bayanan bayanai na ESRI Geodatabase. Tare da wannan, shirin yana kusanto wani yanki mai ban sha'awa, inda masu amfani da ArcMap suka adana adadi mai yawa amma an iyakance su da sayen kari kamar 3D Analyisis, wanda ba zato ba tsammani don yin abu mai sauƙi wanda yakamata ku bayar rabi mai juyayi zuwa kotu. Ta amfani da GlobalMapper 13, masu amfani zasu iya samarwa cikin daƙiƙa samfurin dijital kuma mayar da su zuwa ga geodatabase ba tare da rasa dukan bayanan bincike da kuma iya gine-gine a cikin abin da ESRI yana da ƙarin don bayar.
  • A cikin fitarwa, an ƙara ikon aika ASTER DEM zuwa tsarin SRTM HGT, wanda, kodayake tsari ne na yau da kullun, Amurkan Arewacin Amurka yana amfani dashi sosai saboda iya adadinsa. Allyari, ana iya fitar dashi zuwa tsarin Vulcan 00D TIN .3t.
  • Don ƙara zuwa yawa Formats riga goyon Global Mapper, shi ya yanzu hada da goyon baya ga SEGY format, wani misali amfani a cikin Geophysical yanki, kuma ga LEM format, wanda yake shi ne simile dem amfani da Japan da kuma NMGF mafi amfani a aeronautics.
  • Game da aika hotuna a cikin fayil ɗin kmz, yanzu yana yiwuwa a tantance ingancin jpg, wanda zai rage girman yadda ake so. Hakanan yanzu yana tallafawa lokacinda kmz ya kawo fayilolin .gif
  • Zaka iya fitarwa hotunan zuwa tsarin ERDAS .img, masu amfani da ESRI sunada su.
  • Dangane da fayilolin DGN, gaskiyar cewa wasu polygons sun zo ba tare da cikawa ba ya inganta, tunda ba za su iya fassara nau'ikan geometries da Microstation ke sarrafawa a ciki azaman ɗakunan ajiya na dogon lokaci ba. Kuskuren da ya faru tare da wasu masu lankwasa wannan smart Ba su da yawa.
  • Lokacin sauke nau'in yadudduka ta hanyar WCS, yanzu ba ku da matsala idan sun kasance a cikin tsari daban daban fiye da Google Earth (lat / tsawo / WGS84)
  • Dangane da fayilolin Open Street Maps XML, sun inganta matsalar da ta faɗi lokacin da ake da bayanai da yawa. Hakanan ya faru da gizagizai masu Lidar LAS (waɗanda koyaushe suna da yawa), inda suka inganta amfani da ƙwaƙwalwar ajiya.
  • Don fitarwa na fayilolin DWG da DXF, matsalar da aka gyara tare da alamu tare da fiye da nau'in 31 (tafi, waɗannan ba su daina alamu).
  • Yanzu yana goyon bayan geoPDF ba tare da iyakancewar rahoton da aka ruwaito ba.

Amfanin bincike

  • Shiga tebur. Za a iya yi shiga tsakanin Tables na daban-daban yadudduka ta hanyar wani sifa na kowa, mai mahimmanci amma mai wuce yarda wanda ba shi da shi.
  • Kwafa da lissafin bayanai a cikin tebur. Ikon aiwatar da ayyukan lissafi tsakanin bayanai a cikin wani shafi a yanzu an ƙirƙira shi, don adana shi a wani, kamar, misali, kirga wani yanki a ma'aunin ma'auni daban-daban ta hanyar ninka shi ta wani fanni; ana amfani da wannan aikin don kwafa da liƙawa tsakanin tebur, saboda yana da yawaita ta hanyar aiki ɗaya, wanda zai haifar da ƙima ɗaya.
  • A cikin gudanar da samfurin dijital, sabon sigogi za'a iya samuwa daga wani data kasance, ƙayyadaddun mahimmanci har ma daga halayen tebur da ke hade da farfajiya. Tare da wannan, ana iya adana samfuran fiye da ɗaya a cikin launi guda ɗaya, ba tare da ma'anar cewa suna aiki guda biyu da kuma gudanarwa ba kamar yankan / cikawa ba tare da yin aiki ba a waje da tebur ɗaya.
  • Yanzu binciken bincike yana da zaɓi da za a yi akan ra'ayi na yanzu kuma ba a kan dukkanin Layer ba.

makaman duniya

Hanyoyin aiki.

  • Kuna iya daidaita nuni don ganin yanki ɗaya a cikin Google Earth, amma baza ku iya yin shi ta wata hanyar ba, kama da ɗayan abubuwan 6 da yake aikatawa Microstation a wannan girmamawa.
  • A cikin sarrafawa da yadudduka, yanzu yana iya yiwuwa tare da haɗuwa da haɗari don motsa wani takalmin raster don haka yana tafiya a fili ko a baya wani nau'i na vectors, wani abu da cewa ma'anonin 12 sun kasance tsofaffi a cikin rukunin layi.
  • A cikin yanayin bayanai da ke Intanet ya yi aiki a kan layi, to yanzu za ka sami babban ƙuduri, tun da ba ka sake sauke bayanai a matsayin na gida amma a cikin wani rafi wannan yana wartsakarwa yayin da kake zuƙowa. Dangane da shigar da bayanan NOAA, zaka iya zazzage fayilolin canjawa daga juzu'in Geoid binary grid.
  • Za'a iya ganin wasu ci gaba da yawa a hanya, musamman ma da damar da aka ba da maɓallin linzamin maɓallin dama da kuma amfani da ma'anar keyboard zuwa duka ginawa da kuma gyara bayanai.
  • Idan akwai bayanan GPS tare da yarjejeniyar NMEA, an zaɓi zabin $ DPGGA kalmomi.

Ingantaccen aikin gina bayanai

  • Akwai ci gaba mai mahimmanci a cikin wannan ɓangaren, kodayake har yanzu babban rauni ne. A wannan yanayin, da tarbiyyar snaps, da Mafi kusa yanzu ya kasance a cikin gyararren Layer a matsayin fifiko kafin kasancewar sauran layer ko geometries ba a zaɓa ba.
  • Har ila yau yanzu zaka iya sauƙaƙe gina layi da gefuna na polygons wanda ya danganci ƙaddara ta hanyar hanyar 3.
  • Bugu da ƙari a ra'ayi da ƙaramin menu yi Lines, a lokacin da samun maki selection, na iya bayar da shawarar halittar Lines daga cikin mafi kusa batu, wanda zai sau aa Ana dubawa polygonal maki kama daga GPS.
  • Kuna iya canzawa tare da wani abu mafi sauri, kamar yadda batun motsa layin yake. Yawanci mummunan aiki ne amma yana da amfani yayin da daidaiton yanayin ƙasa ba zai zama abin ƙyama ba idan aka kwatanta da amfanin bayanan, don ɗaukar misali:

Yawancin lokuta muna da Layer a cikin NAD27 ko PSAD 56 kuma don matsar da shi zuwa WGS84 abin da muke yi shine matsar da shi sanannen vector. Ba zai zama mafi kyawun aiki ba, amma don tsayawa ga bayanan data kasance ko lokacin da hakan baya shafar yanayin gida ... yana aiki.

  • Yanzu akwai Datum da ake kira "NAD83", baya ga "D_Arewa_American_1983", bayan ESRI a cikin tsoffin juzu'in ArcView ya rikitar da wasu daga cikin tallow tare da man alade kuma an yi fayilolin .prj waɗanda aka samar tare da sigar archaic ba su da dacewa da wannan tsinkaya. Wani abu mai kama da ya faru da Microstation, lokacin da kake son yin imani cewa NAD27 da ke amfani da shi gringo Amirkawa a sassa daban daban na nahiyar sun kasance alama ce ta farawa.
  • Wani abu irin wannan ya sanya wani wucin Datum kira 1956 Kudu American Datum (PSAD56) to yin kuskure jituwa tare data generated a Mapinfo.
  • Yanzu, yayin shigo da bayanai na gaba ɗaya daga fayil ɗin ASCII, akwai tallafi ga duka darajoji, mintuna da sakan tare da adadi, da darajoji da mintuna tare da ƙirar (ba tare da daƙiƙa) ba. Ko da ma abin ban mamaki kamar yadda yake iya zama alama, yana tallafawa yanki, kamar maimakon faɗi 0.25 amfani da 1/4

Sauke Majan Duniya na Duniya

Golgi Alvarez

Marubuci, mai bincike, kwararre a cikin Samfuran Gudanar da Ƙasa. Ya halarci Conceptualization da aiwatar da model kamar: National System of Property Administration SINAP a Honduras, Model na Management of hadin gwiwa Municipalities a Honduras, Integrated Model na Cadastre Management - Registry a Nicaragua, System of Administration na Territory SAT a Colombia. . Editan shafin ilimin Geofumadas tun daga 2007 kuma mahaliccin Kwalejin AulaGEO wanda ya haɗa da darussa sama da 100 akan GIS - CAD - BIM - batutuwan Twins na Dijital.

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11 Comments

  1. kamar yadda yake aiki da mabal din magunguna

  2. Mafi mahimmanci MAPPER mafi mahimmanci ya ce idan akwai mafi kyau rapids ga kowane irin aiki na ainihi taimako.
    na gode… waliyyi GLOBAL MAPPER.

  3. Shin Global Mapper wani tsawo wanda za a iya canza fayiloli ɗinka domin autocad ko microstation karanta su?

  4. Ina bukatan lambar kunnawa don Allah

  5. Na same shi sosai ban sha'awa abin da ya sa wannan shirin, na amfani da shi wani lokacin don nuna dijital orthophotos INEGI da fitarwa da su zuwa ArcGis. Ina tsammanin fayilolin fitarwa na DWG ne amma ba DGW, wanda shine AutoCad, Ban sani ba idan maganata daidai ne. Gaisuwa

  6. Na gode! Ina buƙatarsa ​​ya karanta Dataset, na tsammanin shi kaɗai ne.

    Zan gwada shi!

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