NCL常见错误解决方案

1、nclfrequentlyaskedquestions (常见问题解答)basics :文件输入/输出。数据分析。array functions (输出格式)和“输出”信息基础1.where can I下载ncl？2.imhavingproblemdownloadingnclfromtheeswebsite3.howdoisetupmyenvironmenttorncl？4. How do I run NCL？5.howdoideterminetheversionofncl？6.arethereanyemaillistsincanjoin？7.wherecaniseesomeonexample

2、sofhowtousencl？8.arethereanynclcommandlineoptionsinause？9.arethereanyeditorenhancementsforeditingnclscripts？10.ifimrunningncliinteractivately，aretheranycommand-lineshortcutsincanuse？11.if im运行交互式，howcaniloadsomeonexistingnclcode？12.istherethereanywayicanturnoffthepreceding (n ) outheniprintabunchofv

3、alues？13.mycnclscriptquitingsuddenly，反之亦然14.howdoitellifhaveandap -启用ncl？ncl酷睿语言1. How do I comment a line in NCL？ 有评论吗？2.isthereistherecontinuationcharacterinncl？3.howdoieastilyconverttoastring？4.howdoicreateanvirevarivethatdosntcontaina _ fillvalueattribute？5. How do I create a double，长，短，orbetber

4、virtivervirtionwithoutusing new oronoftheconversionrouteines，like integertobyte6.howdoincludethedoublequote ( ) characterinanclstring？7 .用户输入can ncl prompt？8.isitposibleetohaveglobalvariablesinncl？9.howcanideletemultiplenclvariableswithonestatement？10. How do I delete a named dimension？11.sthethethe

5、dedderdeferentionanddimensimirroto whos inma trab？12.imtingtinganunenxpectedvaluewheniusethepower ( ) operatorcombinanegativevalue。13.howdoicreateallistofstringintegerswithleadingzeros ( 008 ， 009 ， 010 ，etc )？14.howdoithecurrrentdateintonclassastring？15.howdoigitallisoffileintoanarrayofstringsinonc

6、l？16.howcanirecursivelygetallisfileinaddirectorytreeintoncl？17.howdoiconcatestringsandvaluesinncl？18.howdoireterationanenvironmentvariableinncl？19.howdoiprintinnicelformatted，multimentcolumnsofdatainncl？20.canmultiplementrolleconfiguratedforausercreatedfunction？文件输入/输出1.shotheastheeastyestoconvertgr

7、ib 1、GRIB2、HDF 4、or hdf-EOS 2文件到netcdf文件？2. How do I dump the contents of a GRIB，HDF，or hdf-EOS文件(可重叠文件) to the screen？3.howdoiconveralargefiletoanetcdffile？4.howdoiwritearalarge (2gb )可变功能dffile？5.howdoithelatestablesforreadingribfiles？6 .为什么mygrib2的变量名称被更改了？7.howdoiwriteascalartoanetcdffile？8.howd

8、oiretaintermationforavirevireationthatheredofaseriesfilesusingasinfiles9.howdoiaccessannclfilevariable，attributes，orcoordinationarrayifhehyphens/dashes (-) inth ename？10.how do I读/写网络，HDF4，HDF-EOS2，GRIB1，GRIB2，orccm历史tape文件？11.how do I读/写ascii文件？12.how do I读CSV文件？13.howdoiwriteaformatedasciifile？14.

9、howdoireadanasciifileifidonthowmanylinesitcontains？15.howdoireanaisifilethatconsdelimiters？16.how do I读/写二进制文件？17.onceiveopenafilewithaddfilehowdoifindowthatringforthentorationsandattributesitcontains？18.isthereawaytocontronthemybinaryfileisreadorwrittennaslittleendianorbigendian？19.imhavingtroubler

10、eadingafortranbinaryfilewithrecords20.imrintringtoconverafiletoanetcdffileusing ncl _ convert2NC 21.hydoitediffereferentressultingwhenreadingamyhdf-EOS 2文件，从属onwhetheiuse .hdf or .HD feos 扩展？22.can I读形状文件使用ncl？23.howcanigetatvgoupdataonmydehdf 4文件？24. When I run my script，imgettingarrormessageNC clo

11、se : ncid 0: netcdf : notavalidid。25.whenitrytoaccesstheclimatediagnosticscenter CDC opendapservincl，I get Permission denied。26.im运行出现问题时，添加文件或添加文件( toomanyfilesopen )数据处理1.howdoisetamissingvaluesformydata？2.howdoidetermineifmydatacontinsanymissingvalues，orconthowmymissingvaluestohas？3.howdoichanget

12、hemissingvaluestoanothervalue？4.howdoidealawithnan (not-a-number ) valuesinmydata？5.howdoidealalwith INF (ra infinity ) valuesinmydata？数据分析1.howdoiaveragevaluesinamamulti -维阵列？2.howcanidonanelement-wise minimum/maximumbetweentwoarraysofthesamesize？3.howdointerpolatemy2- dimensionalrandomdatatoa2- di

13、mensionalgriddarray？4.howdointerpolatemy3- dimensionalrandomdatatoa3- dimensionalgriddedarray？5.howcanifigureoutifaparticularlatitude/longitudepointiswithinaspecificarea，like Europe？可视化(技术)1.howcanicocreatean editable graphicalfilerrequirequiredforjournalpublication？2.howcanimaximizethesizeofaplotintheframe？3.how do I get multiple plots on a page？4.betheshotagoodwaytosgenerateascolormap (表)？5.mymapprojectiondosnttlookright6.howdoichangallofmyfontstobethesameinmisualization？7.howcanichanichangthetefincodecodetoingthetfincodetoin