<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:DengXian;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:"comic sans ms";
panose-1:3 15 7 2 3 3 2 2 2 4;}
@font-face
{font-family:"\@DengXian";
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:"Andale Mono";
panose-1:2 11 5 9 0 0 0 0 0 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p.msonormal0, li.msonormal0, div.msonormal0
{mso-style-name:msonormal;
mso-margin-top-alt:auto;
margin-right:0cm;
mso-margin-bottom-alt:auto;
margin-left:0cm;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
span.EmailStyle18
{mso-style-type:personal;
font-family:"Calibri",sans-serif;
color:windowtext;}
span.EmailStyle19
{mso-style-type:personal-reply;
font-family:"Calibri",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.WordSection1
{page:WordSection1;}
--></style>
</head>
<body lang="EN-US" link="blue" vlink="purple">
<div class="WordSection1">
<p class="MsoNormal"><span style="font-size:14.0pt">Hi Lyndz and Jennifer,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">We have a FAQ for this,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><a href="https://disc.gsfc.nasa.gov/information/faqs?keywords=3a25&title=Can%20I%20see%20an%20example%20of%20a%20GrADS%20ctl%20file%20for%20TRMM%20Level-3%20HDF%20data%3F">https://disc.gsfc.nasa.gov/information/faqs?keywords=3a25&title=Can%20I%20see%20an%20example%20of%20a%20GrADS%20ctl%20file%20for%20TRMM%20Level-3%20HDF%20data%3F</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">Could you give a try?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">Best,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">-Zhong<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">"Adams, Jennifer M. (GSFC-610.2)[ADNET SYSTEMS INC]" <jennifer.m.adams@nasa.gov><br>
<b>Date: </b>Thursday, February 6, 2020 at 9:33 AM<br>
<b>To: </b>GrADS Users Forum <gradsusr@gradsusr.org><br>
<b>Cc: </b>Zhong Liu <zhong.liu-1@nasa.gov><br>
<b>Subject: </b>Re: [EXTERNAL] [gradsusr] CTL file for TRMM 3A25<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<p class="MsoNormal">Hi, Lyndz – <o:p></o:p></p>
<p class="MsoNormal">Your grid definition is incorrect, and your variable declaration has an extra dimension (t). Change the following entries in your descriptor:<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono"">xdef 72 linear -179.75 5</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono"">ydef 16 linear -39.75 5</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono"">zdef 6 linear 1 1</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono"">rainMean1=>rainmean1 6 z,x,y precipitation [mm/hr]</span><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Note that I also changed the units for rainMean1 – the hdp utility (which is similar to ncdump for hdf4 files) showed this:<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono"">Variable Name = rainMean1</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Index = 0</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Type= 32-bit floating point</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Ref. = 5</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Compression method = DEFLATE</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Deflate level = 5</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Compression ratio (original:compressed) = 1.22:1</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Rank = 3</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Number of attributes = 1</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Dim0: Name=nh1</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Size = 6</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Scale Type = number-type not set</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Number of attributes = 0</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Dim1: Name=nlon</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Size = 72</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Scale Type = number-type not set</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Number of attributes = 0</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Dim2: Name=nlat</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Size = 16</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Scale Type = number-type not set</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Number of attributes = 0</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Attr0: Name = units</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Type = 8-bit signed char
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Count= 5</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Andale Mono""> Value =
<b><span style="color:red">mm/hr</span></b></span><o:p></o:p></p>
<p class="MsoNormal">--Jennifer<o:p></o:p></p>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt">-- <span style="color:black"><br>
Jennifer Miletta Adams<br>
ADNET Systems, Inc.<br>
NASA/GSFC, Code 610.2</span></span><o:p></o:p></p>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt;color:black">Building 32, Room S159<br>
(301) 614-6070</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">gradsusr <gradsusr-bounces@gradsusr.org> on behalf of Lyndz <olagueralyndonmark429@gmail.com><br>
<b>Reply-To: </b>GrADS Users Forum <gradsusr@gradsusr.org><br>
<b>Date: </b>Thursday, February 6, 2020 at 9:01 AM<br>
<b>To: </b>GrADS Users Forum <gradsusr@gradsusr.org>, "Liu, Zhong (GSFC-610.2)[GEORGE MASON UNIVERSITY]" <zhong.liu-1@nasa.gov><br>
<b>Subject: </b>[EXTERNAL] [gradsusr] CTL file for TRMM 3A25</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Dear GrADS Experts, <o:p></o:p></p>
<div>
<p class="MsoNormal">CC. Dr. Zhong.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">I created a ctl file for TRMM 3A25 that is in HDF format. <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><a href="https://disc2.gesdisc.eosdis.nasa.gov/data/TRMM_L3/TRMM_3A25/">https://disc2.gesdisc.eosdis.nasa.gov/data/TRMM_L3/TRMM_3A25/</a><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Below is the ctl file.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt">dset ^3A25.19981201.7.HDF<br>
* TRMM algorithm version 7<br>
options template<br>
undef -9999.9<br>
dtype hdfsds<br>
xdef 720 linear -179.75 0.5<br>
ydef 160 linear -39.75 0.5<br>
zdef 1 linear 1 1<br>
tdef 1 linear 00z01dec1998 1mo<br>
vars 1<br>
rainMean1=>rainmean1 1 t,z,x,y precipitation [mm/mo]<br>
endvars<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Unfortunately, this doesnt work.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">I'll appreciate any suggestions on how I can do this in GrADS.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Sincerely,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<p class="MsoNormal"><b><u><span style="font-family:"comic sans ms"">Lyndz</span></u></b><o:p></o:p></p>
</div>
<div>
<div>
<p class="MsoNormal">+63 906 023 9926<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Manila Observatory,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Ateneo de Manila University Campus<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Loyola Heights, Quezon city<o:p></o:p></p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>