[osg-users] Add fixed vertical offset to survey layer

[Chris Hanson]

Would the vertical offset do what you want?

https://github.com/gwaldron/osgearth/blob/master/src/osgEarth/TerrainOptions#L51

Depends on how your objects are clamped to the surface.

On Mon, Jan 29, 2018 at 4:04 PM, Adrian Jelffs <adrian.jelffs at makai.com>
wrote:

> Hi,
>
> I have an application where I have a base layer and a survey layer
> overload using OSG Earth. I then add other objects on top.
>
> I would like to change my survey layer to have a fixed vertical offset of
> -1m. Basically lowering the survey layer so the other objects don't sit
> exactly on the surface. It has to be this way around as the position of the
> objects is more important relative to other items than to the survey layer.
>
> What is the best method to do this? Could somebody provide a simple code
> example? This is my current code:
>
>
>
> Code:
>
> osgEarth::MapOptions mapOptions;
> mapOptions.coordSysType() = osgEarth::MapOptions::CSTYPE_GEOCENTRIC;
> _map = new osgEarth::Map(mapOptions);
>
> GDALOptions gdalOptElevation;
> gdalOptElevation.url() = url;
> elevationLayer = new ElevationLayer(name, gdalOptElevation);
> _map->addElevationLayer(elevationLayer);
>
>
>
>
> Many thanks for your help!
>
> Adrian
>
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=72884#72884
>
>
>
>
>
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>



-- 
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