20040318: HDF2AREA - HDF to AREA conversion (cont.)

Hi Jerry,

Yes. I can send the software to you. It was originally developed to
convert Seaspace TDF imagery to Mcidas area by converting TDF files to HDF
and then Mcidas AREA. I'm currently rewriting the software package, but I
could send you an earlier version. The source code is not well commented
and there several issues regarding proper calibration and navigation of
the GOES imagery. The software currently requires GOES navigation files
which I order from SSEC and uses lookup tables to recover the original
instrument counts. It isn't stand alone either. It needs a working Mcidas
and HDF4 installation. I'm curious if the existing package on Mcidas that
Tom mentioned might be a better option, but I don't know too much about
the EOSDIS HDF format. I suspect it includes a lat/lon mesh field. May
software does not requires that the HDF files contain a lat/lon mesh , however 
the
navigation and calibration of the resulting imagery is very close but does
not exactly match the original GVAR.

Darren

Darren R. Gallant               UCAR/JOSS
Programmer/Technician           Joint OfFice Of Science Support
303-497-2634                    P.O. Box 3000
address@hidden                Boulder,CO 80307-30000

On Thu, 18 Mar 2004, Unidata Support wrote:

> >From: "Jerry Guo" <address@hidden>
> >Organization: NOAA/NESDIS/SSD
> >Keywords: 200403181412.i2IECurV011131 McIDAS HDF AREA  convert
>
> Hi Jerry,
>
> >This is Jerry guo at NOAA/NESDIS/SSD at Camp spring,  Maryland.  I
> >happened to find an email about HDF to
> >McIDAS AREAFILE in Unidata MailArchives --
> >http://www.unidata.ucar.edu/projects/coohl/mhonarc/MailArchives/mcidas/msg0346
> > 2.html.
> >
> >I am very intrested  in program HDF2AREA.f, but attached was not a text
> >file. Would you like to sent me a copy of code.
>
> Since this routine was developed by someone else (Darren Gallant of
> UCAR/JOSS), and since Darren has done a lot of work since that email
> (which was in October of 2001), I think that it would be better to get
> the latest source directly from him (please CC Unidata Support):
>
> Darren Gallant
> address@hidden
>
> I am CCing Darren on this reply, so he should be aware of your interest
> in his conversion routine.
>
> I would like to add that if your HDF imagery is in EOSDIS format, then
> McIDAS can do the conversions to AREA.  In McIDAS this is as simple as
> defining an input EOSDIS HDF dataset and an output one of type AREA and
> then using IMGCOPY to copy the image from one dataset to the other.
> The conversion is done on the fly.
>
> Cheers,
>
> Tom
> --
> **************************************************************************** <
> Unidata User Support                                    UCAR Unidata Program <
> (303)497-8643                                                  P.O. Box 3000 <
> address@hidden                                   Boulder, CO 80307 <
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> ---------------------------------------------------------------------------- <
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> Unidata inquiry tracking system and then made publically available
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> available in this way, you must let us know in each email you send to us.
>

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Hi Darren,

Thank you very much for your response, it would be great if you could
send me an earlier version of the code. i will try it first and be aware of
the potential problem you mentioned.

Jerry



Darren Gallant wrote:

> Hi Jerry,
>
> Yes. I can send the software to you. It was originally developed to
> convert Seaspace TDF imagery to Mcidas area by converting TDF files to HDF
> and then Mcidas AREA. I'm currently rewriting the software package, but I
> could send you an earlier version. The source code is not well commented
> and there several issues regarding proper calibration and navigation of
> the GOES imagery. The software currently requires GOES navigation files
> which I order from SSEC and uses lookup tables to recover the original
> instrument counts. It isn't stand alone either. It needs a working Mcidas
> and HDF4 installation. I'm curious if the existing package on Mcidas that
> Tom mentioned might be a better option, but I don't know too much about
> the EOSDIS HDF format. I suspect it includes a lat/lon mesh field. May
> software does not requires that the HDF files contain a lat/lon mesh , 
> however the
> navigation and calibration of the resulting imagery is very close but does
> not exactly match the original GVAR.
>
> Darren
>
> Darren R. Gallant               UCAR/JOSS
> Programmer/Technician           Joint OfFice Of Science Support
> 303-497-2634                    P.O. Box 3000
> address@hidden                Boulder,CO 80307-30000
>
> On Thu, 18 Mar 2004, Unidata Support wrote:
>
> > >From: "Jerry Guo" <address@hidden>
> > >Organization: NOAA/NESDIS/SSD
> > >Keywords: 200403181412.i2IECurV011131 McIDAS HDF AREA  convert
> >
> > Hi Jerry,
> >
> > >This is Jerry guo at NOAA/NESDIS/SSD at Camp spring,  Maryland.  I
> > >happened to find an email about HDF to
> > >McIDAS AREAFILE in Unidata MailArchives --
> > >http://www.unidata.ucar.edu/projects/coohl/mhonarc/MailArchives/mcidas/msg0346
> > > 2.html.
> > >
> > >I am very intrested  in program HDF2AREA.f, but attached was not a text
> > >file. Would you like to sent me a copy of code.
> >
> > Since this routine was developed by someone else (Darren Gallant of
> > UCAR/JOSS), and since Darren has done a lot of work since that email
> > (which was in October of 2001), I think that it would be better to get
> > the latest source directly from him (please CC Unidata Support):
> >
> > Darren Gallant
> > address@hidden
> >
> > I am CCing Darren on this reply, so he should be aware of your interest
> > in his conversion routine.
> >
> > I would like to add that if your HDF imagery is in EOSDIS format, then
> > McIDAS can do the conversions to AREA.  In McIDAS this is as simple as
> > defining an input EOSDIS HDF dataset and an output one of type AREA and
> > then using IMGCOPY to copy the image from one dataset to the other.
> > The conversion is done on the fly.
> >
> > Cheers,
> >
> > Tom
> > --
> > ****************************************************************************
> >  <
> > Unidata User Support                                    UCAR Unidata 
> > Program <
> > (303)497-8643                                                  P.O. Box 
> > 3000 <
> > address@hidden                                   Boulder, CO 80307 <
> > ----------------------------------------------------------------------------
> >  <
> > Unidata WWW Service              http://my.unidata.ucar.edu/content/support 
> >  <
> > ----------------------------------------------------------------------------
> >  <
> > NOTE: All email exchanges with Unidata User Support are recorded in the
> > Unidata inquiry tracking system and then made publically available
> > through the web.  If you do not want to have your interactions made
> > available in this way, you must let us know in each email you send to us.
> >

>From address@hidden  Wed Mar 24 09:36:34 2004

Jerry,

Sorry for the late reply. I'm currently writing some documentation about
how to compile the software and run the software, where to place the
navigation files, etc.
I should be finished by early next week if not sooner.

Darren

Darren R. Gallant               UCAR/JOSS
Programmer/Technician           Joint OfFice Of Science Support
303-497-2634                    P.O. Box 3000
address@hidden                Boulder,CO 80307-30000

On Thu, 18 Mar 2004, Jerry Guo wrote:

> Hi Darren,
>
> Thank you very much for your response, it would be great if you could
> send me an earlier version of the code. i will try it first and be aware of
> the potential problem you mentioned.
>
> Jerry