一种气候分析服务系统的研制与开发

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221Vol.22No.119993JournalofNanjingInstituteofMeteorologyMar.1999:100022022(1999)01200752071,1,2,2(1.,2.,210044)(,550002):FoxProForWindows,,,,,,,:;;;:P468:A:1998-03-05;:1998-11-15:,,19632,,,,,,,,,,,FoxPro2.5forwindows[1],,,,,111.16,1.1.1(1)60©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.ö(19611990),86012,,(2),(3),1,6,7,848,(4)(5),,5,6722©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(6)29,,,,,[2],1.1.2(1)130,,,,,,(2),brows,,,,,,brows,,(3),,,(4),,1.2,,,FoxPro[3];,FoxProFortran[4],[5]1.2.1,(),,2774:©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),,1.3,,1.3.1,,1.2.11.3.2((),),,(5),,1.3.3,,,1.3.41.3.2,,1.4,,,(,,),,,,,8722©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1985)23Fig.3Aexampleofclimatebulletin,,(1)Windows,FoxPro,,,,(2)FoxPro,:paratl,td,bl,bdiftl=bltl=-1h=tl-blelsetl=1h=bl-tlendififtd=bdt2=-1w=bd-tdelset2=1w=bd-tdendifcos=wö(sqrt(h3h+w3w)sin=hösqrt(h3h+w3w)tl=0.23t13sint2=0.23t23cosdowhile.t.@tl,tdtotl+0.1,td+0.1pen1,8colorr+ör3974:©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=tl+tltd=td+t2ift20iftdbdexitendifelseiftdbdexitendifendifenddoreturn(3)FoxProFortran,,Fortran,:parazdsdimenx(3)gotopnd=str(reccount(),2)w_handle=fcreat(’tem.txt’)=fputs(w_handle,nd)gotopdowhile!eof()x(1)=str(jing,3)+’.’+substr(str(jing31000,6),;4,3)+’Àx(2)=str(wei,2)+’.’+substr(str(wei31000,5),3,3)+’Àtt=field(zds)ac=str(&tt,5)x(3)=left(ac,4)+’.’+right(ac,1)xx=x(1)+x(2)+x(3)=fputs(w_handle,xx)skipenddo=fclose(w_handle)!drow_preturn(4),,,,0822©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[1],.FOXPRO2.5[M].:,1995[2],.[M].:,1994[3].FOXPRO2.5[M].:,1995[4],.[M].:,1994[5],,,.[M].:,1993ACLIMATICANALYSISANDSERVICESYSTEMJIANGZhi2hong,DINGYu2guo(DepartmentofEnvironmentalSciences,NIM,Nanjing210044)ZHOUXue2feng,YANGJian2ping(DepartmentofComputerSciencesandTechnology,NIM,Nanjing210044)ZENGuang2shan(GuizhouClimateCenter,Guiyang550002)Abstract:Abriefdescriptionisgiveninthispaperforaclimaticanalysisandservicedesignedforprovincialclimatecenter.ThesystemusesFoxProforWindowslanguage,andconsistsoffoursubsystemsofdatabasemanagement,climaticdiagnosisandassessment,earlycli2maticwarringanddamageanalysis.Itnotonlyprovidesthevariousresultantdataofanalysisbutalsoautomaticallygeneratesrelevantgraphs,tables,andliteralbulletins.Theinterfaceisfriendlyandeasytouse:thesystemisopen,flexible,andexpansible.Keywords:climaticanalysis;softwaredesign;database;graphprocessing184:©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.

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