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Dear Prof. Yiming LIU,<br>Please see below the email i referred earlier.<br><br>Best regards<br><br>Sajjad<br><br><br><br>> Date: Wed, 24 Oct 2007 11:37:23 -0400<br>> From: ela@COLA.IGES.ORG<br>> Subject: Re: BCC RegCM output data with Grads<br>> To: GRADSUSR@LIST.CINECA.IT<br>> <br>> Sajjad,<br>> <br>> This problem might be happening because the data has the opposite byte ordering from what your machine has. Try adding one of these lines to your ctl file and see which one works:<br>> <br>> options big_endian<br>> <br>> options little_endian<br>> <br>> One of these choices should work. If not, you have some other problem with your data, or it might have header bytes that grads does not know about (you can also specify header properties in the ctl file). See http://grads.iges.org/grads/gadoc/index.html<br>> <br>> Best regards,<br>> <br>> <br>> Eric L. Altshuler<br>> Assistant Research Scientist<br>> Center for Ocean-Land-Atmosphere Studies<br>> 4041 Powder Mill Road, Suite 302<br>> Calverton, MD 20705-3106<br>> USA<br>> <br>> E-mail: ela@cola.iges.org<br>> Phone: (301) 902-1257<br>> Fax: (301) 595-9793<br>> <br>> ----- Original Message -----<br>> From: "sajjad saeed" <sajjad_met@HOTMAIL.COM><br>> To: GRADSUSR@LIST.CINECA.IT<br>> Sent: Wednesday, October 24, 2007 6:16:13 AM (GMT-0500) America/New_York<br>> Subject: BCC RegCM output data with Grads<br>> <br>> Dear all,<br>> I am using regional climate model of Beijing Climate Centre,China. I have a problem. When I open the file I get this kind of message<br>> ....................................................................................<br>> ga-> open daily_ave91.ctl<br>> Scanning description file: daily_ave91.ctl<br>> Data file daily_ave_1991.bin is open as file 1<br>> LON set to 42 110.5<br>> LAT set to 0 44.5<br>> LEV set to 1000 1000<br>> Time values set: 1991:5:1:0 1991:5:1:0<br>> Notice: Implied interpolation for file daily_ave91.ctl<br>> Interpolation will be performed on any data displayed from this file<br>> <br>> ..................................................................................................................................<br>> Than I used the commond to check file variables<br>> <br>> ga-> q file<br>> File 1 : model-output on surface<br>> Descriptor: daily_ave91.ctl<br>> Binary: daily_ave_1991.bin<br>> Type = Gridded<br>> Xsize = 138 Ysize = 90 Zsize = 1 Tsize = 153<br>> Number of Variables = 17<br>> tamxd 0 99 daily maximum surface temperature (k)<br>> tamnd 0 99 daily minimum surface temperature (k)<br>> psdnd 0 99 daily averaged surface pressure (cb)<br>> soldd 0 99 daily averaged direct solar fluxat the surface (W/m2)<br>> difdd 0 99 daily averaged diffuse solar fluxat the surface (W/m2)<br>> frudd 0 99 daily averaged net upward longwave fluxat the surface (W/m2)<br>> sswdd 0 99 daily averaged upper soil moisture (mm)<br>> rswdd 0 99 daily averaged root zone soil moisture (mm)<br>> evapd 0 99 daily averaged evaporative flux (kg/m**2/s)<br>> senhd 0 99 daily averaged sensible heat flux (w/m**2)<br>> rnosd 0 99 daily accumulated surface runoff (mm)<br>> rnodd 0 99 daily accumulated total runoff (mm)<br>> rfddd 0 99 daily accumulated rainfall (mm)<br>> cqvdd 0 99 daily averaged column water vapor (g/m**2)<br>> cqcdd 0 99 daily averaged column cloud water (g/m**2)<br>> cqidd 0 99 daily averaged column cloud ice (g/m**2)<br>> dtaud 0 99 daily averaged cloud optical depth<br>> .....................................................................................................................................<br>> <br>> Now I want to see a variable<br>> <br>> ga-> d rfddd<br>> Notice: Automatic Grid Interpolation Taking Place<br>> Contouring: nan to nan interval inf<br>> <br>> I donot get any display on the screen<br>> <br>> I than selected set clevs 0 1 2<br>> <br>> ga-> d rfddd<br>> Notice: Automatic Grid Interpolation Taking Place<br>> Contouring at clevs = 0 1 2 3<br>> <br>> I got the display at the lower (south) of the domain. This is a very small belt.<br>> <br>> I am unable to recoganize the problem. Any help in this regard will be highly appreciated.<br>> <br>> With regards<br>> <br>> Sajjad Saeed<br>> <br>> <br>> _________________________________________________________________<br>> Connect to the next generation of MSN Messenger<br>> http://imagine-msn.com/messenger/launch80/default.aspx?locale=en-us&source=wlmailtagline<br> <br /><hr />Windows Live: Make it easier for your friends to see <a href='http://www.microsoft.com/middleeast/windows/windowslive/see-it-in-action/social-network-basics.aspx?ocid=PID23461::T:WLMTAGL:ON:WL:en-xm:SI_SB_2:092009' target='_new'>what you’re up to on Facebook.</a></body>
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