On Mon, 2008-06-30 at 08:37 -0700, Sunburned Surveyor wrote:
> I'm jumping into the middle of this conversation, but I wanted to
> clarify something. I don't know if it will add to the discussion, but
> I hope it will.
>
> The Geoid is not a mathematical figure like an ellipsoid, so I don't
> thin
I'm jumping into the middle of this conversation, but I wanted to
clarify something. I don't know if it will add to the discussion, but
I hope it will.
The Geoid is not a mathematical figure like an ellipsoid, so I don't
think you can really refer to "conversion" equations. A geoid is more
like a
Many thanks Martin, Simone and Adrian for those further comments -
they are very helpful for my thinking and much appreciated.
ciao
Michael
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On Mon, 2008-06-30 at 23:09 +1000, Michael Bedward wrote:
> Thanks Adrian - I just grabbed a copy of Bryce's document which I was
> completely ignorant of.
>
> It will probably turn out that my thoughts / needs will equate to a
> cheap hack relative to the systematic framework set out in the
> sta
On Mon, Jun 30, 2008 at 1:36 PM, Michael Bedward
<[EMAIL PROTECTED]> wrote:
> Hi all,
>
> A few days ago I asked about how to implement a coverage defined on a
> mathematical function on the users' list. Simone and Martin replied
> with info about using JAI's ImageFunction directly or indirectly -
Michael Bedward a écrit :
> One approach to this would be a type of coverage based on a
> mathematical function (passed to its constructor perhaps). It would
> use lazy instantiation so that the function would only be parsed into
> some efficiently runnable form (an AST perhaps) when the coverage
Thanks Adrian - I just grabbed a copy of Bryce's document which I was
completely ignorant of.
It will probably turn out that my thoughts / needs will equate to a
cheap hack relative to the systematic framework set out in the
standard :) But in the event that I what I write for my own use looks
li
Hey,
You are starting to talk about real 'coverages' rather than 'grid
coverages'. There is a spec to help you implement such a thing, ISO
19123, probably with antecedents in the OGC world. You are discussing an
'analytic coverage' or more specifically a time-dependent analytic
coverage.
The quic
Hi all,
A few days ago I asked about how to implement a coverage defined on a
mathematical function on the users' list. Simone and Martin replied
with info about using JAI's ImageFunction directly or indirectly -
this was a big help.
Sometime soon I'll have a need for a leaner (in terms of overhe
