<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hello Matt,<div><br></div><div>GrADS has no problem working with HDF files, no matter if they are projected or not; what matters is if they are stored as a regular grid. You may have geolocation problems if the file is projected into something like a sinusoidal or some other not so common projection, but still you can have access to the actual data, do the processing and at the end to export the results to your favorite software (ENVI, Imagine, etc).</div><div><br></div><div>Of course, the first thing you need to have is the internal structure of the data file (data type, dimensions, data layers, interleaving, etc). I ran a HDF diagnostic utility on the file you mentioned and it appears that the file does not contain any grid, are you sure it is a HDF file? Looks more like a plain binary file, but that's just my guessing (HDF files are self described).</div><div><br></div><div>Regards,</div><div>Ramon<br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">---</div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br></div></span></span></div><div><div>On Mar 31, 2010, at 6:41 AM, Matt Alonso wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">Hi All,<br><br>Sorry to bother folks w/this but I was wondering if anyone has had any success working w/SeaWIFS data (<a href="http://oceandata.sci.gsfc.nasa.gov/SeaWiFS/Mapped/8Day/NDVI/2010/" target="_blank">http://oceandata.sci.gsfc.nasa.gov/SeaWiFS/Mapped/8Day/NDVI/2010/</a>) in GrADS. I've been struggling w/creating the appropriate CTL for the HDF data. When I open the most recent 8day composite 4km file (<a href="http://oceandata.sci.gsfc.nasa.gov/cgi/getfile/S20100652010072.L3m_8D_LAND_NDVI_4km.bz2" target="_blank">http://oceandata.sci.gsfc.nasa.gov/cgi/getfile/S20100652010072.L3m_8D_LAND_NDVI_4km.bz2</a>) I'm having problems trying to read the file into GrADS. <br>
<br>Any info on this matter would be greatly appreciated. Thanks in advance.<br><br>Cheers,<br>Matt<br>
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