Geospatial - GISGvSIGthawj tswv yimQGIS

Quantum GIS, thawj cov tswv yim

QGIS Yog hais tias cov phooj ywg ntawm gvSIG Lawv ceev lawv cov lus cog tseg, tom ntej Monday Lub Xya Hli 27 peb yuav muaj version 1.9 ruaj khov. Kom deb li deb qhov kev ntsuam xyuas tau ua tau zoo, raws li qhov kev ntim pom hauv lub Cov npe ntawm cov lag luamCov. Thaum Hnub Monday tuaj txog, rau thaum kuv vam tias yuav muaj kev txaus siab ntawm kev txaus siab rau lo lus ua raws, ntawm kev siv nyiaj kom paub tseeb tias kev pw tsaug zog uas cov neeg tsim khoom yuav tsum nqa, cia peb saib Quantum GIS zoo li no los ntawm noog qhov muag pom.

QGIS tau tsim hauv C ++ siv Qt cov cuab yeej, nws khiav ntawm Windows, Mac thiab Linux. Lub phiaj xwm tau sawv hauv lub Tsib Hlis 2002, nrog kev txhawb nqa rau 26 hom lus thiab nws daim ntawv tso cai yog GPL.

Peb yuav sim cov 1.02 version uas tawm tswv yim tau tso kuv txaus siab heev rau kev siv dawb siv, koj tuaj yeem luam tau Ntawm qhov txuas no Thiab qhov no yog qhov Raug raws ntaub ntawv ntawm Qgis.

QGIS

Quantum GIS Tsi

Lub iconography thiab interface tsim yog qhov txhiv feem ntau, nws tsis cuam tshuam rau usability, tab sis tsis cuam tshuam rau cov koom haum saj (muag) thaum muab nws. Tsos uas Yav tas los criticized ntawm gvSIG, vim hais tias nyob rau hauv ib co taw tes nws tsos thiab disparity ntawm creativity tshwm sim los ib tug thawj coj qhia rau kuv "Nws zoo nkaus li zoo li ib qhov kev pabcuam veteran, ib co icons zoo li tau ua nrog 8 yoj ntawm Paintbrush".

QGIS

Tab sis nyob rau hauv no Superficiality, QGIS taug kev zoo heev, txawm tias muaj cov nias yooj yooj yim uas koj xaiv tau ntawm 3 txawv cov ntsiab lus ntawm cov cim duab zoo heev conceptualized, nyuam qhuav kis tus nas los ntawm lub npe qhia li cas lub interface yuav zoo.

Quantum GIS nthuav nta

QGIS yuav tsum tau Nyom rau ntau qhov kev ua haujlwm uas cov cuab yeej tau tsim muaj, zoo heev rau kev tsis theej tawm kev siv zog. Thaum pib QGIS thiab tsis nrhiav nws ntsia, nws tsa ib qho kev ceeb toom; hauv qhov no kuv ua qhov kev tshuaj xyuas tsis suav nrog Nyom. Thaum kuv xav thauj khoom Grass dataset, vim tias nws tsis tau ntsia Kuv kaw daim ntawv thov, yog li kuv tsis pom zoo kom siv nws yam tsis tau nruab ob lub cuab yeej.

QGIS Shortcuts, Ntau cov lus txib muaj ib tsab ntawv xa mus, xws li txoj haujlwm tuaj yeem thauj khoom nkaus xwb yog nias tsab ntawv no. Qhov no yog qhov tsim nyog heev, Kuv nco ntsoov tias nyob rau hauv AutoCAD nws yog ib qho kev paub zoo tshaj plaws thaum yuav luag txhua cov lus txib tau ua tiav ntawm keyboard.

Tus txheej txheem cej luam, ntawm sab laug lub vaj huam sib luag yog daim duab qhia kev xa tawm thaj chaw, nrog kev sib koom ua ke ntawm ob txoj kev tsheb. Siv tau zoo heev, koj tuaj yeem xaiv cov khaubncaws sab nraud povtseg uas koj xav pom kom pom nyob rau hauv cov ntsiab lus, thiab nws tseem tuaj yeem raug tso tseg raws li lub qhov rais ntab ntawm qhov sib txawv.

QGISCov kab ntawv ntawm sab, zoo kawg nkaus, koj tuaj yeem rub tawm cov plugins raws li cov ntawv sau rau sab xub ntiag, lawv tuaj yeem ua tau ntab, thiab nrog cov khawm yooj yim sab xis lossis txiav tawm. Tsis tas li cov kev tswj dav dav yog yooj yim dragging tsis yog nyob rau hauv sab laug vaj huam sib luag tab sis kuj nyob rau hauv qis dua.

Lub qab vaj huam sib luag, thaum ua kom pom cov cwj pwm ntawm lub rooj, nws pom nyob rau thaj chaw, tab sis nws kuj tuaj yeem ua rau ntab. Muaj nuj nqi heev, nrog rau cov kev xaiv kom zoom mus rau cov kab xaiv thiab hloov qhov dav ntawm kem nrog tus tuav tau yooj yim ntawm tus nas. Tsis tas li ntawd nyob rau hauv qis ncej nws muaj lub luag haujlwm ntawm kev tshawb nrhiav thiab xaiv, zoo ib yam li Manifold GIS ua li cas, sib nrug ntawm cov xwm txheej yooj yim.

Quantum gisCov tsim ntawm no interface tsim ua rau nws ntau usable, dab tsi iframe yog qhov zoo tshaj plaws, ua rau kuv nco Microstation, raws li nyob rau hauv cov ntaub ntawv, lub qhov rais cwj pwm tej zaum yuav deployed tsis muaj cuam tshuam lwm haujlwm.

Cov ntaub ntawv ntsuam xyuasMuaj cov qauv rau kev geoprocessing thiab kev tshawb fawb tias ib tug neeg yuav tsum tau, thaum xub thawj siab ib muag muaj yog ib co heev interesting nta uas xav mus saib dua ib zaug, raws li fTools plugins muaj xws li struts modeling, hydrological thiab lwm tus neeg.

QGIS Ntxiv PluginsZoo li ib daim ntawv thov gpl, nws qhov nce yog nyob rau hauv cov plugins uas lub zej zog tau ua tiav me me (txawm tias nrog qhov zoo ntawm tsis nyob hauv Java), los ntawm lub neej ntawd nws coj cov hauv paus thiab lawv zoo li ob peb tab sis lawv tsis yooj yim li lawv zoo li: lawv tuaj yeem thauj Cov khaubncaws sab nraud povtseg ntawm WFS, xa mus rau MapServer, ntes ib lub chaw sibtham, ntxiv cov kev pabcuam rau qhov pom xws li sab qaum teb, nplai thiab kev txwv, cov ntawv sau los ntawm kev sau, muaj dxf rau shp converter, ntsaws rau cov duab georeference, gps console, python console, coordinate mesh , thiab lwm yam. Tab sis qhov zoo tshaj plaws yog qhov kev xaiv los thauj cov Nyom plugins uas yog cov ncauj lus cais. Zoo ib yam li dab tsi tshwm sim nrog gvSIG thiab Sextante txawm hais tias kev loj hlob ntawm Nyom yog kev hwm, yog ib qho ntawm GIS qhov qub tshaj plaws.

Interestingly OGR converter, uas muaj peev xwm hloov khaubncaws sab nraud povtseg ntawm txawv tawm tswv yim, xws li SHP, DGN, GPX, GML, csv, KML, MapInfo thiab BD qhov chaw ntawm ODBC, MySQL, PostgreSQL, ntawm lwm tus neeg.

Ntawm qhov zoo tshaj plaws: dxf rau SHP thiab kml rau dxf, tab sis tsis ua los ntawm lwm qhov kev pab them nqi.

Cov Kev Siv ZisIb yam li lwm cov cuab yeej, koj tuaj yeem tsim cov ntawv sau hauv qhov chaw, pawg ntawm cov khaubncaws sab nraud povtseg, cov khaubncaws sab nraud povtseg muaj qhov tsawg kawg thiab ntau kawg ntawm kev tswj kom pom, yooj yim ntxiv cov kev sib koom ua ke thiab kev ua haujlwm; Yog hais tias shp txheej, yog tias lawv muaj prj, Qgis cawm cov ntaub ntawv no. Ntau cov txheej txheem suav nrog kev nce qib, uas peb xav tias nws zoo heev.

QGIS Nws yog qhov nthuav heev npaum li cas cov cwj pwm ntawm cov khoom tau muab kho, vim hais tias nyob hauv tib lub vaj huam sib luag muaj cov tab rau cov khoom dav dav, symbology, metadata, cov ntawv sau, kev nqis tes ua thiab tabular attributes; txhua yam tuaj yeem raug cawm dim raws li .qml style thiab thauj khoom los siv rau lwm cov khaubncaws sab nraud povtseg. Tsis tas li no cov lus no yog ntab thiab nws qhov dav thiab qhov siab tuaj yeem hloov kho kom saj. Txawm tias cov vaj huam sib luag no thiab lwm tus tuaj yeem qhib los ua ib daim ntawv thov tshiab.

Quantum gis Tsis tas li ntawd hu ua tus nta uas zoo yooj yim tab sis lawv nqa ib tug zoo nqi hluav taws xob, xws li ntsuas mus tas mus li, nws reflected nyob rau hauv ib tug tabular vaj huam sib luag, xws li qhov kev ncua deb ntawm txhua ya sai sai.

Saib xyuas thiab kho cov ntaub ntawv

Koj tuaj yeem thauj khoom vector shp, gml, Mapinfo thiab ddf cov ntaub ntawv, txawm hais tias cov ntaub ntawv los ntawm lwm hom ntawv tuaj yeem hloov ntawm OGR converter. Tsis tas li ntawd vector txheej ntawm WFS thiab PostGIS. Txhiv tau, tso cai rau koj kom sau lub cim encoding thaum thauj khoom txheej.

Raws li txheej txheem raster, nws txhawb ib qho phem heev, sib nrug ntawm WMS. Tsis tas li ntawd, nyeem OGC WFS, WCS, CAT, SFS, thiab GML cov qauv.

Txhawm rau tsim cov txheej txheem vector tshiab lawv tuaj yeem ua tiav los ntawm OGR cov ntaub ntawv los yog Cov Nyom. Tej yaam num tau txais kev cawmdim ua XML nrog qgs txuas ntxiv, qhov twg ntawm gvSIG-style txheej tau txais kev cawmdim.

Hais txog cov ntaub ntawv hloov kho, cov kev qhia tshwj xeeb xws li kev sib koom ua ke, cov koog, kev txiav txim siab, ua kom cov topological editing, kev tso cai lossis kev txwv ntawm cov kev sib tshooj ntau nyob hauv tib txheej thiab snap tej yam kev mob (hom thiab) tau muab cia rau hauv cov haujlwm tsim. kam rau ua) rau txhua txheej muaj nyob rau hauv peb tes num. Qhov tom kawg yog qhov nthuav, txawm tias kuv poob siab tias nws tsuas muaj ntu thiab kev xaiv vertex. Kuv hais tias, Nyom yuav tsum yog lub ntsiab cai rau qhov no.

Kuv sim editing ib txheej, inserting ib lub vertex, tab sis kuv pom nws qeeb heev, dua li nws tsim nyog mus ntxiv rau cov kev xaiv ntawm snapping (Thov txim rau kuv clumsiness, nws yog thawj zaug kuv ua si hauv no khoom ua si)). Kuv mam pom nws tom qab kuv thawb cov khoom nyom kho cov cuab yeej. Tsis muaj qhov zoo li yuav muaj kev taug qab yog tias ob peb tab tom kho ib txheej ib txhij, leej twg txuag thawj qhov yeej. ugh!

Cov ntaub ntawv tso tawm

Rau cov zis ceev, muaj ib qho kev xaiv los cawm qhov pom raws li cov duab, thiab ib lub plugin rau kev luam ntawv ceev, tab sis tsis zoo li gvSIG, nws tsis muaj ArcView-style layout tswj; tab sis luam tawm sau ntawv uas zoo li me ntsis los ntawm cov plaub hau, txawm hais tias nws tso cai rau thauj khoom ntawm cov ntawv, cov ntawv sau, cov thawv thiab cov cim, thiab ob peb qhov kev sau ntawv tuaj yeem tsim rau qhov project, Kuv tsis pom yuav ua li cas cawm lawv li qauv; phau ntawv qhia hais tias nws yog qhov ua tau. Kuv twv muaj ntau yam zoo dua hauv Nyom plugins rau cov laj thawj no.

Quantum gis vs ArcGIS

Ntawm chav kawm peb yuav, Tom qab tom qab tav su.

 

Golgi Alvarez

Tus kws sau ntawv, kws tshawb fawb, tus kws tshaj lij hauv Kev Tswj Xyuas Cov Qauv. Nws tau koom nrog hauv kev xav thiab kev siv cov qauv xws li: National System of Property Administration SINAP hauv Honduras, Qauv ntawm Kev Tswj Xyuas Kev Sib Koom Tes Hauv Honduras, Kev Sib Koom Ua Qauv ntawm Cadastre Management - Registry hauv Nicaragua, Kev Tswj Xyuas Kev Tswj Xyuas Thaj Chaw SAT hauv Colombia . Editor ntawm Geofumadas kev paub blog txij li xyoo 2007 thiab tus tsim ntawm AulaAGEO Academy uas suav nrog ntau dua 100 cov kev kawm ntawm GIS - CAD - BIM - Digital Twins cov ncauj lus.

lwm yam khoom

28 Comments

  1. Nyob zoo, Kuv to taub tias nws yog freeware, tiam sis nws tsis yog ib feem ntawm Qgis thiab nws tsis yog Software dawb, yog li ntawd nws yuav tsum tau ua tib zoo ua qhov kev zam hauv qhov blog. Tom qab tag nrho, txhua tsav txhua yam zoo li yuav zoo.

  2. Kuv cov lus nug yog hais txog nyom thiab qgis, Kuv tau hloov mus rau ob qho software tib si tab sis kuv muaj teeb meem thiab kuv tsis paub yog tias nws yog kev txwv ntawm qhov kev zov me nyuam lossis kev txwv ntawm kev paub ntawm kuv feem, cov lus nug yog qgis lossis nyom muaj qhov ua tiav kev hloov kho ntxiv ? Kuv txhais tau hais tias snapping qhov twg lawv tau qhib, los yog yuav ua li cas, piv txwv li, nws pib ua tiav polygon nrog cov nyob sib ze, ib yam dab tsi cuam tshuam nrog yam ntawd

  3. AutoDesk muaj ib daim ntawv thov uas koj download tau dawb, nws hu ua trueView, nrog qhov no koj tuaj yeem hloov cov ntaub ntawv dwg kom dxf

  4. Nyob zoo cov lug txhawb cov miv, cov lus nug hauv qab no, cas kuv tuaj yeem qhib Quantum Gis extension ntaub ntawv .dwg? Lub Dxf2Shp plugin tsuas yog hais txog cov hom dxf.

    Qhov zoo tshaj plaws.

  5. Cov kev pab cuam no nyeem cov ntaub ntawv tsim cov qauv ntaub ntawv, yog tias nws nyob hauv hom ntawv no uas koj muaj cov ntaub ntawv los ntawm ArcGIS. Koj yuav tsum ua li cas tsim kho qhov mxd siv qhov kev ua kom tiav.
    Yog tias koj cov ntaub ntawv yog nyob rau hauv ib lub geodatabase, koj tuaj yeem kuj tau import lawv.

  6. zoo hmo uas tuaj yeem pab kuv txav ntawm ArcGis rau Kosmo lossis gvsig lossis qee qhov cuabyeej dawb, Kuv xav tau nws sai vim nws tau tshwm sim kawg ntawm qhov teeb meem ua tsaug ntau ntau.
    Kuv tus email yog Ocampogiraldo@gmail.com

  7. Kuv digitizing polygons uas siv WMS orthophoto raws li lub hauv paus.

    gvSIG: Cov duab yees ceev ceev, tab sis lub zoom thaum tsiv los ntawm orthophoto yog ib qho mess

    Kosmo: Diam duab loads qeeb heev, tab sis kuv pom nws yooj yim dua mus luam theej duab

    QGIS: Zoo li Kosmo, ntau yooj yim rau digitize, lub yees duab yuav siv sij hawm ntau xyoo.

    Dab tsi muaj peev xwm muaj nyob hauv txhua tus?

  8. Txoj haujlwm Quantum GIS nrog cov qgs txuas ntxiv tsis muaj dab tsi, tsuas yog siv rau cov txheej txheej uas raug hu ua. Yog li koj xav tau dab tsi yog saib yuav ua li cas hloov cov khaubncaws sab nraud povtseg, uas tej zaum yuav yog cov ntaub ntawv hloov mus rau dwg lossis dxf.

  9. Puas muaj leej twg paub li cas kuv kis tau cov ntaub ntawv quantum rau Autocad?
    Tsaug

  10. Nyob zoo.
    Kuv tabtom ua ib hoob GIS online hauv kosmos sextant ib puag ncig. Thiab kuv tuaj hla ib qho teeb meem me me. Thaum kuv muab ib daim ntawv thov uas muaj raws li lub hom phiaj los tsim ib lub raster txheej kuv kaw qhov kev pab cuam.
    Puas muaj leej twg muaj tswv yim vim li cas nws tuaj yeem ua tau?

  11. Zoo heev !!
    Kuv xav paub tias qhov twg nrhiav DIGITALIZED CARTOGRAPHY los ntawm Spain (tshwj xeeb yog los ntawm Valencia) thiaj li siv nws nrog qhov kev pab cuam Quantum GIS.
    Thov, yog tias koj muaj lus qhia, qhia rau kuv paub ... Kuv tau ploj mus me ntsis ...

    Tsaug

  12. Ua tsaug, thiab koj tsis paub yog tias koj npaj yuav ntxiv ib lub module rau visualization tsis tau mus rau shapefile vim cov ntawv lo thiab cov khaubncaws sab nraud povtseg hom, dots, polygons thiab cov ntawv muaj nyob hauv cov khaubncaws sab nraud povtseg, nws yog feem ntau tsuas yog tsimnyog pom thiab ua cov kauj ruam yog coj

  13. Puas muaj leej twg paub li cas kuv yuav qhib ntaub ntawv hom dwg thiab dxf hauv cov quantum gis?

  14. Koj yuav tsum piav ntxiv txog koj qhov teeb meem:

    Koj puas paub yuav ua li cas rau load lub kml txheej?
    Nws puas xa koj lus?
    Comments rau lo lus nug no Koj puas ntsaws txheej txheej ntawm sab vaj huam sib luag tiam sis tsis pom cov khoom?

  15. Kuv tsis tuaj yeem nkag rau kml cov ntaub ntawv los ntawm 5.0 version ntawm google lub ntiaj teb aquantum gis leej twg tuaj yeem pab kuv tus quantum gis ver is 1.2
    Tsaug

  16. Yog lawm, lawv txhawb lawv. Rau tej thaj chaw deb tsoov Qgis ua haujlwm zoo heev nrog Nyom thiab gvSIG nrog Sextant.

  17. dawb huv, Kuv xav paub yog tias cov kev pab cuam no zoo li Qgis, gvgis lossis nyom txhawb cov lag luam cov ntaub ntawv (shp, tab …….) thiab lawv puas tuaj yeem coj los siv rau cov chaw taws teeb?

  18. Nyob zoo, Kuv yog tub ntxhais kawm ntawm Geomatics txoj haujlwm, tsuas yog tshawb nrhiav pom txog qhov tshiab no uas yog pub dawb thiab kuv tuaj yeem coj nws txhua qhov chaw nrog USB, qhov kev xaiv zoo rau cov tub ntxhais kawm kuv hais nws li tub ntxhais kawm thiab zoo kuv nyiam qhov 3 hom cuab yeej tab sis ntau QGIS uas yog qhov zoo ib yam li Argis thiab zoo hauv qhov kev qhia ntawm geoprocessing Kuv tsuas yog ua qhov yooj yim tsis muaj qhov ntswg yog tias muaj kev xaiv qhov twg kuv tuaj yeem ua ntau qhov tsis zoo ... saib yog tias koj xa kuv cov piv txwv ntawm yuav ua li cas rub cov duab hauv google ntiaj teb nrog cov npe ntawm txoj kev..grasias ..

  19. Rau qhov koj mus rau:
    Plugins / OGR Converter / Khiav OGR Txheej Converter

    Tom qab ntawd koj xaiv cov ntaub ntawv qub (qhov chaw), xaiv kml hom, thiab cov nplaim taws

    Tom qab ntawd, hauv qab koj xaiv lub hom phiaj (hom phiaj), thiab koj xaiv los hloov lawv mus rau kev ua haujlwm

  20. Ib lo lus nug cia li ob peb hnub dhau los nruab ib lub qgis kuv xav paub tias nws puas yuav hloov tau kml cov ntaub ntawv mus rau kev ua luaj thiab kuv yuav ua li cas

  21. Koj hais yog lawm Tuxcan, cov txheej txheem nrawm ntawm Qgis yog pom tau tias zoo dua gvSIG. Ua cov cuab yeej pub dawb, lawv tau ua tiav ntau yam thiab tam sim no nrog cov no koj tuaj yeem ua haujlwm xws li nws yog qhov kev ua lag luam uas muaj tswv.

  22. Kuv yeej nyiam ob lub GvSIG thiab Quantum GIS tej yaam num, ob qho tag nrho cov lus cog tseg ntau nta thiab cov chaw hauv cov haujlwm GIS. Txawm li cas los xij, tej zaum qhov kev siv ntawm JAVA cov kev siv, uas txawv me ntsis nrog rau qhov sib tham ntawm QGIS interface, yuav tsum muaj kev nyuab siab. Qhov zoo tshaj plaws txog QGIS yog nws qhov API hauv Python kom tso npe siv daim duab, nws txuas rau GRASS GIS thiab kev txhawb nqa ntawm ntau ntau hom ntawv. Ntawm gvSIG kuv feem ntau nws cov kev ua haujlwm zoo hauv SEXTANTE GIS thiab cov kev xaiv zoo rau cov khoom siv txawb, 3D kev pom tau, cov ntawv tshaj tawm, tab sis kuv hais txog LENGTH ntawm nws qhov kev ua tiav. Ntawm qhov weaknesses ntawm ob leeg cuab yeej yog cov kab txawv ntawm maps, vim hais tias kom deb li deb yog me ntsis elaborated. Kuv xav tias nws yog zoo kawg yog tias nyob hauv ib co taw tes lawv muaj xws li cov cuab yeej editing ntawm KOSMO los yog OpenJUMP, uas kuv tau pom heev tiav thiab nyiam.

    Ob lub luag haujlwm zoo heev thiab muaj kev txhawb zog hauv txoj kev ywj pheej software GIS, yog vim li cas txoj kev ywj pheej ntawm software, cia peb xaiv cov cwj pwm uas zoo tshaj plaws rau peb cov kev xav tau.

  23. Peb ua tsaug cov lus qhia ntawm koj qhov blog. . . Pab kev zoo siab los ntawm Patagonia Argentina

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