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Subject: Re: [geometry] Strange values using boost geometry gis extension with tmerc projection
From: Barend Gehrels (barend_at_[hidden])
Date: 2015-04-26 17:20:26

Hi Andrew,

Andrew Hundt schreef op 26-4-2015 om 23:08:
> I'm getting what I believe to be strange behavior with lat/lon to x/y
> for tmerc. If I understand correctly, I can pass a lat/lon in degrees
> in and get an x/y in meters out. However, when I pass in 0,0 m and
> then 1,1 m into inv() it appears to jump by 1.57 degrees latitude,
> which I believe is thousands of meters rather than just 1. Am I using
> it incorrectly or is this an issue?
> Details are below. Thanks!

I'm by chance currently busy with the projections so will look tomorrow.

Regards, Barend

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