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*Subject*: Re: 6-1-75-6 W5M --> LOCAL GRID*From*: "Mark Chan" <chanm(at)cadvision.com>*Date*: Tue, 27 Mar 2001 22:23:12 -0700*Newsgroups*: comp.lang.idl-pvwave*Organization*: CADVision/PSINet*References*: <99mg2e$t7u$1@news3.cadvision.com> <3AC09909.5241880A@bigelow.org>*Xref*: news.doit.wisc.edu comp.lang.idl-pvwave:24186

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

**Follow-Ups**:**Re: 6-1-75-6 W5M --> LOCAL GRID***From:*Ben Tupper

**Re: 6-1-75-6 W5M --> LOCAL GRID***From:*Ben Tupper

**References**:**6-1-75-6 W5M --> LOCAL GRID***From:*Mark Chan

**Re: 6-1-75-6 W5M --> LOCAL GRID***From:*Ben Tupper

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