<html><head><meta http-equiv="content-type" content="text/html; charset=us-ascii"><style>body { line-height: 1.5; }body { font-size: 10.5pt; font-family: ??; color: rgb(0, 0, 0); line-height: 1.5; }</style></head><body>
<table width="99.99%" height="100%" style="padding: 10px; background-color: transparent;" border="0" cellpadding="0" cellspacing="0" background="cid:_Foxmail.1@749b0b07-7660-d0ba-bd37-02fde49850ec">
<tbody><tr>
<td valign="top" style="width:100%;height:100%;">
<div style="">
<div><span></span>hi,</div><div> i want to read a variable "Time" which is involved in group in a hdf file, a part of information of this hdf file is as follows:</div><div>+++++++++++++++++++++++++++++++++++++++++++</div><div>......</div><div><span style="background-color: rgba(0, 0, 0, 0); font-size: 16px; line-height: 1.5;">GROUP=GeoField </span></div><span style="font-size: 16px; background-color: rgba(0, 0, 0, 0);"> OBJECT=GeoField_1
<br> GeoFieldName="Time"
<br> DataType=DFNT_FLOAT64
<br> DimList=("DataTrack_lo")
<br> END_OBJECT=GeoField_1
<br> OBJECT=GeoField_2
<br> GeoFieldName="Latitude"
<br> DataType=DFNT_FLOAT32
<br> DimList=("DataTrack_lo","DataXTrack_lo")
<br> END_OBJECT=GeoField_2
<br> OBJECT=GeoField_3
<br> GeoFieldName="Longitude"
<br> DataType=DFNT_FLOAT32
<br> DimList=("DataTrack_lo","DataXTrack_lo")
<br> END_OBJECT=GeoField_3
<br></span><div><span style="background-color: rgba(0, 0, 0, 0); font-size: 16px; line-height: 1.5;">END_GROUP=GeoField</span> </div><div>......</div><div>++++++++++++++++++++++++++++++++++++++++++++++++++</div><div><br></div><div>i want to extract the "Time" in ncl, but it showed:</div><div>+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ </div><div><span style="background-color: rgba(0, 0, 0, 0); font-size: 16px; line-height: 1.5;">ncl 0> ff=addfile("AMSR_E_L2A_201108010017_D.hdf","r") </span></div><span style="font-size: 16px; background-color: rgba(0, 0, 0, 0);">ncl 1> time=ff->Time
<br>fatal:["Execute.c":6321]:variable (Time) is not in file (ff)
<br>fatal:["Execute.c":8565]:Execute: Error occurred at or near line 1</span><div>+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++</div><div><br></div><div>it seems that there doesn't exist "Time" variable in this hdf file,but it does,</div><div><br></div><div>how can i read this time info in ncl?</div><div><br></div><div><br></div><div>thanks </div><div><br><div> </div><hr style="width: 210px; height: 1px;" color="#b5c4df" size="1" align="left">
<div><span><div style="FONT-FAMILY: verdana; FONT-SIZE: 10pt">
<div>dyjbean@gmail.com</div></div></span></div>
<div></div></div></div>
</td>
</tr>
</tbody></table>
</body></html>