Taswirar Dynamic tare da Kayayyakin Girman 9

A 2008 Kayayyakin Basic, version alama ya zama cikakken rikitarwa tsakanin ta high iya aiki da kuma rayuwa da cewa an dauke.

A wani labarin da aka buga a MSDN Magazine a cikin edition Disamba 2007, Scott Wisniewski, Software zane injiniya a Microsoft, ya nuna an yi fice a aiki da hanyar koyawa a kan yadda za a zana maps amfani Kayayyakin Basic. Tare da wannan ba kawai a zanga-zanga da wasu daga cikin mafi m fasali na Kayayyakin Basic, amma kuma samar da wani aiki misali, kana iya amfani da matsayin tushe don ƙara wasu suka ci gaba da aikace-aikace.

A farkon wannan rubutun, munyi tsokaci akan cewa wannan ya sabawa abinda da dadewa suka dauka, cewa Visual Basic yana kan layin mutuwa. Shawarwarin wannan yanayin ya dogara ne da wannan ɗabi'ar hauka ta Microsoft don barin dandamali don kula da tallace-tallace; bayan da ya ci tura sosai zuwa .NET da C (Sharp) a cikin rashin tsammani na gasa da Java.
Mun san cewa iyakokin da Visual Basic ya kawo, yayin kasancewarsa keɓaɓɓe ga ci gaba a kan dandamali na Windows, dole ne a maye gurbin sa yayin da yanayin Win32x ya mutu, Microsoft ya shiga cikin karfi .NET kuma ya canza dabarun ɗakunan karatunsa mai ƙarfi (dll) ta hanyar tsarin a karkashin layin da C ++ ya kawo; don haka ana tsammanin Visual Basic ya mutu da babbar murya ... da alama hakan zai faru a cikin dogon lokaci, lokacin da Windows Vista ta karɓi (shekarar 2014 :))

Idan tarihi ya maimaita kansa, Visual Basic da .NET zasu faru kamar yadda Microsoft tayi da Fox don tsawaita rayuwar SQL da Access. Kodayake gasar ba ta kasance kamar yadda take ba a lokacin, yanayin fasalin multilayer da hadewar yanar gizo sune masu tayar da hankali wanda zai haifar da Kayayyakin Basic ko rufe fuska.

To, shi ke nan daraja shan a look at cin shirya kai da Scott, amma mun bayar da shawarar karanta dukan daftarin aiki za mu sa wasu comments game da girman da post bukatar da oversimplification.

1. Yanayi ta amfani da WPF

Bari mu yarda, labarin yana da fa'ida sosai kuma an ɗora shi, musamman idan kuɗin ba na edita bane amma na mai haɓakawa da kansa; ya bayyana yadda yanayin wPF (Windows Presentation Foundation) zai iya fassara abin da muka saba sani da "abubuwa", a ƙarƙashin mahimmin ra'ayi na "geometries", wanda za'a iya danganta shi da lambar ƙima ... an bar mu muna mamakin ko wannan don kawai don Manufofin shirye-shirye.“kamar gani” kamar taswirorin walƙiya, ko lissafi an sake gina su akan tashi daga bayanan bayanai.

2. Aikace-aikace Object Model

Marubucin ya ci gaba da bayanin yadda ya tsara (sake ɗaukar hoto) nau'in bayyanar bayanan ... m sosai a cikin sa ganewa na Map, yankin, polygon kome a karkashin dogara Objetct da damuwa a cikin ma'anar sake inganta abin da aikace-aikacen sararin samaniya suka riga suka yi a cikin ayyukan yau da kullun kamar zuƙowa, kwanon rufi, xtent. Za mu damu idan sabbin dandamali na taswira suna son ci gaba bisa waɗannan ayyukan, saboda ɓarnatarwar da za ta kasance cikin sake dawo da lamba mai tsabta, la'akari da cewa wannan fagen maimakon shirye-shirye yana buƙatar daidaitawa da ingantattun rubuce-rubucen zane-zane, yanayin ƙasa da kuma yanzu ra'ayoyin geomatic, amma kowane lokaci kana so ka sake inganta tsarin an yi watsi da su. Don haka ba mu kushe kerawa ba, maimakon haka sai mu dauki hulunanmu ga wani wanda ya inganta wani abu kuma yake son ya raba shi a bayyane, amma duk da haka muna tuna da bukatar da ake da ita ta daidaita da tsara abubuwan da aka riga aka cimma.
Na kawo wata jumla da na ji wani lokacin da ya wuce, a wata ganawar:

... muna neman sanya ArcView Brasileiro ... jo ...

3. Amfani Classes Map

Anan, ta hanyar kirkire-kirkire, marubucin ya danganta polygons tare da ka'idodin tarayya na Arewacin Amurka da aka sani da FIPS, kodayake ana amfani da waɗannan don dalilai na “ƙididdigar” kawai, amma ga alama yaron ya sha kyafaffen aiki mai kyau. Ya ce daidai, kaddarorin "yankin" za su kasance masu iya daidaitawa a waje.

4. XML data management

A ƙarshe, ina ɗauka cewa bayan tunani da shan kofi kun yanke shawarar zuwa tsarin xml da LinQ (kusan babu makawa) don shigo da bayanai da lissafi ta hanyar da aka tsara, kodayake a nan kun shiga cikin iyakancewar wannan hadadden filin, geodesy. Wannan yana nuna cewa sake ƙirƙira ta wannan ma'ana yana da haɗari, idan manufar sakamakon ba ta fito fili ba; a ganin mu aikin da ya yi ne domin “ganin sakamakon” yana da kyau sosai, abin da ke damun shi shi ne lokacin da aka ga wannan sakamakon a wurin wani babban jami’in gudanarwa ya ce:

"Ina da tuntuɓar masu hannun jari waɗanda ke son saka hannun jari a cikin wannan aikace-aikacen don mu iya yin tsarin taswira wanda za'a iya aiwatar da shi a Cibiyar Gudanar da Yankin Mega…”

kuma suna ba da shi, suna ƙarewa don sake samun wani abu ... cewa Scott ya yarda a cikin yaren da ba na geomatic ba:

"Ga hadadden geometries, abin da na yi shi ne yin adadi biyu, na farko na nuna wanda ke baya don kada a rufe wanda ke gaba kuma ta haka zai yi kama da tsibirin..."

5. dole karshe
A ƙarshe, ga abokan shirinmu, muna ba da shawarar takaddar, saboda yana nuna yadda zai yiwu a gina aikace-aikacen taswira ba tare da amfani da lambobin ɓangare na uku ba ... muna gode wa marubucin don alherinsa da kwatankwacinsa ta ƙarshe a ƙarshen abin da yake tsammanin wannan:

Da gaske, ta amfani Kayayyakin Basic, WPF, kuma LINQ Zancen saje Zan iya ci gaba da aikace-aikace iya recreating gwada da nagartaccen visualizations daga data kasance data jiki. Wannan aikace-aikace zai iya sauƙi za a mika wa duba data daga daban-daban shekaru ko a yi amfani da data a hanyoyi daban-daban. All code shi ne samuwa sauke wannan labarin, don haka jin free gwaji da kuma ganin abin da za ka iya samun.

via: Geomusings