comp.lang.idl-pvwave archive: archive

Home » Public Forums » archive » Re: SMI/HDF format?

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: SMI/HDF format? [message #71688 is a reply to message #71686]

Tue, 13 July 2010 06:18

d.poreh
Messages: 406
Registered: October 2007

Senior Member

On Jul 13, 5:08 am, Bruce Bowler <bbow...@bigelow.org> wrote:
> On Tue, 13 Jul 2010 04:13:27 -0700, Dave Poreh set fingers to keyboard and
> typed:
>
>> Folks
>> Does anyone know what is SMI/HDF format? I have some images and I can
>> read by nCDF_Browser, file, but when I open it is giving me an
>> array(8640,4320) without any coordinates. But what I want is having data
>> in (lon,lat,C) format. If this is for entire glob, how can I do this?
>> Any help?
>> Cheers
>
> SMI = "Standard Mapped Image" (I think) and there are 8640 pixels at the
> equator and 4320 between the poles. From that, there are 8640/360 pixels
> per degree (at the equator) or 0.041667 degrees per pixel. From that you
> can construct a grid which corresponds to the lat and lon at the center
> of each pixel.
>
> Bruce

How could I know where is the 0 0 00 apparently it is not the left
most pixel. I mean should I have start from -180 for lon (-90 for
lat)?
Cheers

Report message to a moderator

[Message index]

		Re: SMI/HDF format? By: d.poreh on Wed, 14 July 2010 03:09
		Re: SMI/HDF format? By: David Fanning on Tue, 13 July 2010 08:14
		Re: SMI/HDF format? By: Bruce Bowler on Tue, 13 July 2010 07:41
		Re: SMI/HDF format? By: d.poreh on Tue, 13 July 2010 06:18
		Re: SMI/HDF format? By: Bruce Bowler on Tue, 13 July 2010 05:08

Previous Topic:	Simple hack to get $500 to your home.
Next Topic:	Re: Selective Convolution

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Fri Oct 10 15:36:31 PDT 2025

Total time taken to generate the page: 0.40368 seconds