[gdal-dev] Reg: Getting center coordinates for the attributes in a geojson

[Even Rouault]

Le mercredi 18 février 2015 11:43:10, Manikanta Kondeti a écrit :
> Hi all,
> 
> I'm working on a project which aims  to visualize Spatial Vector Data on a
> browser. Using gdal I will convert Shapefiles, kml, gml into geojson and
> send it back to the browser.
> 
> I want to draw labels(attributes) on the map, using GDAL can I get each
> feature's centre coordinates without computing them on the browser side, so
> that I can easily draw them  on the map?

Mani,

OGR_G_Centroid() /  OGRGeometry::Centroid() should help.

See
http://www.gdal.org/ogr__api_8h.html#a23f5a19a81628af7f9cc59a37378cb2b

Even

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