Re: [cf-satellite] regarding satellite projection in CF

• To: cf-satellite <cf-satellite@xxxxxxxxxxxxxxxx>
• Subject: Re: [cf-satellite] regarding satellite projection in CF
• From: Martin Raspaud <martin.raspaud@xxxxxxx>
• Date: Thu, 6 Dec 2012 08:21:00 +0100

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On 12/06/2012 03:19 AM, ghansham sangar wrote:
> I appreciate the proposal made by you.
> 
> But I wanted to know that in the given use case in the link
> mentioned by you
> 
> Use case:
> 
> char GOES_R;
> 
> :grid_mapping_name = "geostationary"; :perspective_point_height = 
> 35785831.; :semi_major_axis = 6378137.; :semi_minor_axis =
> 6356752.31414; :latitude_of_projection_origin = 0.;
> :longitude_of_projection_origin = -137.0; :sweep_angle_axis = "x"
> :coordinates = "y x" :units = "m"
> 
> What does units="m" mean here? This question may be a bit naive.
> But as I plan to embed it in my product. I just want to know that
> what that means?

Dear Ghansham,

units = "m" (metres) give the units for the parameters of the
projection as I understand it, namely perspective_point_height,
semi_major_axis, semi_minor_axis.

Best regards,
Martin
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• References:
  • [cf-satellite] regarding satellite projection in CF
    • From: ghansham sangar
  • Re: [cf-satellite] regarding satellite projection in CF
    • From: Martin Raspaud
  • Re: [cf-satellite] regarding satellite projection in CF
    • From: ghansham sangar