<div dir="ltr"><div>Dear NCL-Experts,</div><div><br></div><b><font color="#ff0000">[Description of the Problem]</font></b><br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><br></div><div>I have a folder containing<u><i><b> interpolated</b></i></u> level 2 TRMM data (swath data). Attached is the screenshot of the directory.</div><div><br></div><div>The file names have the following format.</div><div><br></div><div>*********************************************</div><div><span style="color:rgb(0,0,0);font-family:"Times New Roman",Times,serif">For the interpolated data, the convention is: </span></div><div><span style="color:rgb(0,0,0);font-family:"Times New Roman",Times,serif"><br></span></div><div><span style="color:rgb(0,0,0);font-family:"Times New Roman",Times,serif"><i>[version]_[orbit].[yyyymmdd].[hhmmss]_<a href="http://region.nc">region.nc</a> where</i></span></div><div><span style="color:rgb(0,0,0);font-family:"Times New Roman",Times,serif"><br></span></div><div><span style="color:rgb(0,0,0);font-family:Times"><b>[version]</b> = currently 'TPR7_uw1' which means this is based on TRMM-PR version 7 data and the UW's version 1 product</span></div><div><span style="color:rgb(0,0,0);font-family:Times"><b>[orbit]</b> = five-digit orbit number</span></div><div><span style="color:rgb(0,0,0);font-family:Times"><b>[yyyymmdd</b>] = year, month and day</span></div><div><span style="color:rgb(0,0,0);font-family:Times"><b>[hhmmss]</b> = hour, minute and second</span></div><div><span style="color:rgb(0,0,0);font-family:Times"><b>r</b> = three letter abbreviation for the </span><a href="http://trmm.atmos.washington.edu/regions.html" style="font-family:Times">region</a><span style="color:rgb(0,0,0);font-family:Times"> of interest</span></div><div><span style="color:rgb(0,0,0);font-family:Times">*************************************</span></div><div><span style="color:rgb(0,0,0);font-family:Times"><br></span></div><div><span style="color:rgb(0,0,0);font-family:Times">Ncdump of one file gives the following:</span></div><div>***********************************************</div><div>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">dimensions:</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>time = UNLIMITED ; // (1 currently)</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>longitude = 274 ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>latitude = 235 ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>altitude = 80 ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>altitude_lh = 19 ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">variables:</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>int time(time) ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>time:units = "seconds since 1970-01-01 00:00:00 +0000" ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>float corr_Zfactor(time, altitude, latitude, longitude) ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>corr_Zfactor:units = "dBZ" ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>corr_Zfactor:long_name = "2A25 corrected Z factor" ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>corr_Zfactor:range = "0.f, 80.f" ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>corr_Zfactor:missing_value = -999.f ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>float longitude(longitude) ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>longitude:units = "degrees" ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>longitude:long_name = "longitude" ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>float latitude(latitude) ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>latitude:units = "degrees" ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>latitude:long_name = "latitude" ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>float altitude(altitude) ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>altitude:units = "km" ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>altitude:long_name = "altitude for corr_Zfactor MSL" ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>float rain_type(time, latitude, longitude) ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>rain_type:units = "none" ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>rain_type:long_name = "simple 2A23 Rain Type" ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>rain_type:stratiform = 1 ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>rain_type:convective = 2 ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>rain_type:others = 3 ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>rain_type:missing_value = -999 ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>int rain_type_original(time, latitude, longitude) ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>rain_type_original:units = "none" ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>rain_type_original:long_name = "copy of 2A23 Rain Type field" ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>rain_type_original:stratiform_range = "100, 170" ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>rain_type_original:convective_range = "200, 291" ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>rain_type_original:other_range = "300, 313" ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>rain_type_original:no_rain_value = -88 ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>rain_type_original:missing_value = -999 ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>float surf_rain(time, latitude, longitude) ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>surf_rain:units = "mm/hr" ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>surf_rain:long_name = "2A25 rainfall rate near the surface" ;</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>surf_rain:missing_value = -999.f ;</span></p></div><div><span style="color:rgb(0,0,0);font-family:Times">***********************************************************</span></div><div><span style="color:rgb(0,0,0);font-family:Times"><br></span></div><div><b><font color="#ff0000">[What I want to do]</font></b></div><div><font color="#000000">[1] I would like to plot all the files into a single shaded map. Is this possible in NCL?</font></div><div><font color="#000000">[2] I know I should use the <b>addfiles </b>when reading the files, I just don't know how to call each file and combine them into one plot.</font></div><div><br></div><div><font color="#000000"><br></font></div><div><font color="#000000">I'll appreciate any help on this.</font></div><div><font color="#000000"><br></font></div><div><font color="#000000">Sincerely,</font></div><div><font color="#000000"><br></font></div><div><b><font color="#ff0000">Lyndz</font></b></div><div><b><font color="#ff0000"><br></font></b></div></div></div></div></div></div></div></div></div></div></div></div></div>