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<div class="moz-cite-prefix">Hi Christian,<br>
<br>
Have you checked if osgdem supports it? I think it will happily
convert anything into osgTerrain which can be interpreted as
height data by gdal ...<br>
<br>
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<div>Hi,<br>
<br>
</div>
I am currently wondering which is the better way to go
from a simple digital elevation model (ESRI ASCII Grid
format) to a geometry. The model has a very limited area
and resolution.<br>
<br>
</div>
<div>These are the two methods I find feasible with stock
OSG features:<br>
<br>
</div>
Either I could feed all the 3D points on the grid into the
osgUtil::DelaunayTriangulator. However I noticed this
class generates normals that require a BIND_PER_PRIMITIVE
- possibly causing a fallback to the slow rendering path.<br>
<br>
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Alternatively I could put the data into an osg::HeightField
and use a ShapeDrawable to display it.<br>
<br>
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<div>Which of the two methods is perferable from a performance
standpoint? What I would like to get is a bit of a
simplification of the geometry, where larger triangles are
used in areas with less surface features. Which of the two
methods can provide this?<br>
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I do not want to use osgEarth, as it is a bit too big in scope
for my purpose and it has a lot of extra dependencies.<br>
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<div>Christian<br>
<br>
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