Re: 6-1-75-6 W5M --> LOCAL GRID

["Mark Chan" <chanm(at)cadvision.com>]

Ben,

Could you point me to the site where I may find out more about the
conversion porgram that you mention?

As per Martin Trobec's posted reply, there seems to be a program one can
buy. However, I will like to see if the conversion program you mention will
do the job or not.

Thanks,
MC


"Ben Tupper" <btupper@bigelow.org> wrote in message
3AC09909.5241880A@bigelow.org">news:3AC09909.5241880A@bigelow.org...
> Hi Mark,
>
> I have not heard of such a system of conversions,... but, it's not clear
> to me what the 'land' coordinates of points A, B and C mean.  There is
> code to convert between Lon/Lat in decimal degrees to UTM coords in
> meters.  From the UTM coordinate system you can then get relative
> range/azimuth values between the points.  You might even be able to
> translate the UTM coords to the Canadian equivalent of the US State
> Plane coordinate systems.
>
> Perhaps you could provide more details about these coordinate systems.
>
> Ben
>
> Mark Chan wrote:
> >
> > GIVEN:
> > Point A @ 6-1-75-6 W5M (Take this to be the origin. Some where in
Canada).
> > Point B @ 1-1-75-6 W5M
> > Point C @ 16-1-75-6 W5M
> >
> > QUESTIONS TO BE ANSWERED:
> > What is the distance between A and B?
> > Ans: B is 5 miles east of A.
> >
> > What is the distance between A and C?
> > Ans: sqrt(5^2+5^2). C is NE of A.
> >
> > Etc. calculation like these.
> >
> > QUESTION FOR IDL EXPERTS:
> > Is there a public domain IDL routine to do the conversion between the
land
> > system above to local coordinate?
> >
> > Thanks in advance,
> > Mark Chan
>
> --
> Ben Tupper
> Bigelow Laboratory for Ocean Sciences
> 180 McKown Point Rd.
> W. Boothbay Harbor, ME 04575
> btupper@bigelow.org