Re: [OpenMap Users] Re: Problem with offset and azimuth from Geo class.

From: Don Dietrick <dfdietrick_at_gmail.com>
Date: Thu, 14 Apr 2011 15:07:46 -0400

Hi Ruben,

Thanks for the update, that fix appears to be in the beta already (I
didn't realize that until just now, when I went to incorporate your
change). So it'll be released in OM5.

Thanks again,

Don

On Tue, Apr 12, 2011 at 8:25 AM, Ruben DF <rdocasalf_at_gmail.com> wrote:
> Hi again,
>
> The problem which I mentioned at my previous post was in azimuth method from
> Geo class. I don't know but it works using cross method instead of
> crossnormalize method. Now azimuth is correct. The lines I changed are the
> following:
>
> Geo n1 = north.crossnormalize(this)
> Geo n2 = v2.crossnormalize(this)
>
> for this lines:
>
> Geo n1 = north.cross(this)
> Geo n2 = v2.cross(this)
>
> Hope this helps!
> Regards
>
> 2011/4/11 Ruben DF <rdocasalf_at_gmail.com>
>>
>> Hi to everybody.
>>
>> I'm writting you because of a problem related to Geo class and offset and
>> azimuth methods. The problem is that if you have Geo g1 point and Geo g2
>> point and you find out the azimuth and distance between g1 and g2,
>> afterwards you find out the offset from g1 to g2 (knowing the previous
>> azimuth and distance) and, surprisingly, g1 is not on g2, and should
>> be...anyone else has this problem?
>>
>> I need to solve this because I'm doing an app where the degrees introduced
>> must be regarding UTM north, instead of Geographical North, so I need to
>> find out the azimuth between 2 points (regarding Geo north) and
>> adding-subtracting the convergece in order to get the azimuth regarding UTM
>> north.
>>
>> Thanks in advance
>>
>> Regards,
>> Ruben
>

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Received on Thu Apr 14 2011 - 15:10:18 EDT

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