| Re: 6-1-75-6 W5M --> LOCAL GRID [message #24325 is a reply to message #24280] |
Tue, 27 March 2001 21:23   |
Mark Chan
Messages: 24
Registered: November 2000
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Junior Member |
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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
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
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