[osg-users] Correct creation of the terrain

[Robert Osfield]

Hi Nickolia,

I haven't seen VPB generate terrain like this, are you forcing the
height field resolution higher than what VPB chooses by default?  I
say this as this is the type of artefact I'd expect with over
sampling.

As where to modify VPB to add filtering in, I'm afraid I don't recall
off the top of my head, it's been a number of years since I worked on
it.  Do a search for HeightField in the code.

However, if it's just a sampling artefact I would suggest just let VPB
decide what is the appropriate resolution for the input data and see
what result it comes up with.

Robert.


On 10 October 2016 at 13:44, Nickolai Medvedev <raizel.dev at yandex.ru> wrote:
> Hi again, Robert.
>
> All sense in "roughnesses":
>
> __                                             __
>    |_                                              \
>       |_                   must be              \
>          |__                                         \__
>
>        |                                               |
>      VPB                                    With Box Filter
>
>
> I would like to insert Box Filter into the VPB code.
> I would like to know, where to take float array of heights values, before creation of geometry to pass them through box filter for smoothing of roughnesses.
>
> P.S. Sorry, Robert, i badly know English, therefore me it is difficult to express my thoughts. I hope, you understood something...
>
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=68943#68943
>
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>
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