<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi Rahele,<div class=""><br class=""></div><div class="">1. See <span style="background-color: rgb(255, 255, 255);" class="">/MITgcm/verification/flt_example/input/read_flt_traj.m for an example of reading in the float output files using MATLAB.</span></div><div class="">2. <span style="color: rgb(38, 40, 42);" class="">flt_noise is the amplitude added or subtracted to the advection velocity by a white noise generator.</span></div><div class=""><span style="white-space: pre; background-color: rgb(255, 255, 255);" class="">3. Use </span><span style="background-color: rgb(255, 255, 255);" class="">/MITgcm/verification/flt_example/extra/write_float.F to generate the float input files, then convert them to big endian using </span><span style="background-color: rgb(255, 255, 255);" class="">/MITgcm/verification/flt_example/input/convert_ini.m.</span></div><div class=""><br class=""></div><div class="">I haven’t looked at the <font color="#26282a" class="">float_profiles.meta files before, perhaps someone else can help with that.</font></div><div class=""><font color="#26282a" class=""><br class=""></font></div><div class=""><font color="#26282a" class="">Best,</font></div><div class=""><font color="#26282a" class="">Dustin</font></div><div class=""><span style="color: rgb(38, 40, 42);" class=""><br class=""></span></div><div class=""> </div><div class=""><div><blockquote type="cite" class=""><div class="">On Aug 22, 2017, at 7:30 AM, Menemenlis, Dimitris (329C) <<a href="mailto:Dimitris.Menemenlis@jpl.nasa.gov" class="">Dimitris.Menemenlis@jpl.nasa.gov</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
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<div class="">I forward your question to MITGCM support.</div>
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On Aug 22, 2017, at 1:46 AM, rahele shafiee <<a href="mailto:rahele_shafiee@yahoo.com" class="">rahele_shafiee@yahoo.com</a>> wrote:<br class="">
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<div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;" class=""><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class="">HI </span> <span style="font-family: Calibri, sans-serif; font-size: 14pt;" class=""> </span><span style="font-family: Calibri, sans-serif; font-size: 14pt;" class="">Dimitris</span> <span style="font-size: 14pt; font-family: Helvetica, sans-serif; color: rgb(38, 40, 42);" class="">. </span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class="">I am a MITgcm user. </span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class="">It's been a few days that I can not post messege to the site MITgcm.</span><span style="font-size: 14pt; font-family: Helvetica, sans-serif;" class="">Thanks
if you help me.</span><span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""></span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class="">I'm running the “flt_example” test case in the MITgcm. I'm very confused and there is no explanation about this test case in the manule. I
have some questions. Thanks for helping me.</span></p><div style="margin-bottom: 0.0001pt; line-height: normal; background-position: initial initial; background-repeat: initial initial;" class="">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> </span><br class="webkit-block-placeholder"></div><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class="">1- If nsx=nsy=2 selected, four outputs are created (e.g. float_traject.data, floar_profiles.data , …). How can I get these outputs in
a file and have an output “profile” and an output “traject” . I used the following:</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class="">python gluemncbig -o a.data float_profiles.001.0000*</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class="">But the following error was given:</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> File "gluemncbig", line 1206, in <module></span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> raise IOError('No files matching {0}', globpatt)</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class="">IOError: [Errno No files matching {0}] float_profiles.001.0000*</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class="">This command runs error-free for the NETCDF files.</span></p><div style="margin-bottom: 0.0001pt; line-height: normal; background-position: initial initial; background-repeat: initial initial;" class="">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> </span><br class="webkit-block-placeholder"></div><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class="">2- How to choose the parametric “flt_noise”?</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class="">3- How to design an ” flt_file” input file for my domain floats? Does this file determine the coordinates of the floats? This file is
presented “flt_ini_pos.bin” in the test case and there are 2539 record in it.</span></p><div style="margin-bottom: 0.0001pt; line-height: normal; background-position: initial initial; background-repeat: initial initial;" class="">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> </span><br class="webkit-block-placeholder"></div><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class="">4- In the outputs, the file float_profiles.meta is presented as follows:</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class="">nDims = [ 3 ];</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> dimList = [</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> 1, 1, 1,</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> 1, 1, 1,</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> 41, 1, 41</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> ];</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> dataprec = [ 'float32' ];</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> nrecords = [ 141 ];</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> timeStepNumber = [ 18 ];</span></p><div style="margin-bottom: 0.0001pt; line-height: normal; background-position: initial initial; background-repeat: initial initial;" class="">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> </span><br class="webkit-block-placeholder"></div><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class="">What does the number 41 and the 141 number of nrecords mean?</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class="">And the file is presented as follows:</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class="">nDims = [ 3 ];</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> dimList = [</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> 1, 1, 1,</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> 1, 1, 1,</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> 13, 1, 13</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> ];</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> dataprec = [ 'float32' ];</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> nrecords = [ 421 ];</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> timeStepNumber = [ 18 ];</span></p><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class="">What does the number 13 and the 421 number of nrecords mean?</span></p><div style="margin-bottom: 0.0001pt; line-height: normal; background-position: initial initial; background-repeat: initial initial;" class="">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class=""> </span><br class="webkit-block-placeholder"></div><p class="ydpda7174b7MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">
<span style="font-size:14.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A" class="">I apologize for asking my questions. I'm really confused.</span></p>
<span style="font-size:14.0pt;line-height:115%;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Roman";color:#26282A;mso-ansi-language:EN-US;mso-fareast-language:EN-US;mso-bidi-language:AR-SA" class="">Thanks</span><!--EndFragment--> ��� �� <br class="">
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