[gdal-dev] Convert WGS84 geodetic coordinate to local ENU(local Cartesian coordinates coordinate system)

[Kristian Evers]

Here's the relevant PROJ issue should someone want to give this a go

https://github.com/OSGeo/PROJ/issues/500

/Kristian

-----Oprindelig meddelelse-----
Fra: gdal-dev <gdal-dev-bounces at lists.osgeo.org> På vegne af Even Rouault
Sendt: 12. juni 2019 11:00
Til: gdal-dev at lists.osgeo.org
Cc: Changhai Chen <cchhnhk at gmail.com>
Emne: Re: [gdal-dev] Convert WGS84 geodetic coordinate to local ENU(local Cartesian coordinates coordinate system)

On mercredi 12 juin 2019 11:42:12 CEST Changhai Chen wrote:
> Hello. Is there any method in GDAL that can convert WGS84 geodetic
> coordinate to local ENU(local tangent plane)？
> First: GDAL can transform point coordinate from WGS84 geodetic  coordinate
> system to WGS84 XYZ (or ECEF ).
> Second: but WGS84 XYZ (or ECEF ) to local ENU can not be transformed. I can
> fix it by using another tool, but it will be better if GDAL have this
> convesion.

That should be implemented as a new coordinate operation in PROJ. There's a 
description for this method in the IOGP Guidance note 7.2.

http://www.epsg.org/Portals/0/373-07-02.pdf , page 97, 	"2.2.2 Geocentric/
topocentric conversions"

Contributions welcome

Even

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