Subject: Re: What should be in the EXPOSURE map ?

Dear Niels,

> I now wonder if this current way to express the map is something you,
> Stephane, have requested to conform with other input to 'Mosaic_Spec'?

> If this is the case we should not change the content but only the units
> to 'mm2'. Does Mosaic_Spec take the exposure time from the header
> information and multiply each pixel with this value?

Actually, mosaic_spec does not use the exposure extension.
Of course we have never requested something like this.

However, an exposure map in mm2 is strange, to say the least. Normally, it
contains a time in seconds. I doubt the user will be happy with an exposure
map containing something else.

Best regards,
Stéphane
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