Hi,
Hi,
On Saturday 26 May 2007, Nick Warne wrote:
> I decided to start a new clean thread here, so people can find what they
> need to build FG to perform.
>
> As we know, using the CMAKE command:
>
> cmake -i .
>
> produces a question/answer type script so you can build as a 'Release' and
> configure any optimisations to suit.
>
> Using:
>
> ./configure CXXFLAGS= -O3 ...
>
> will build Simgear/FG with similar optimisations.
>
>
> Today I tested again OSG, and there are two options that made me wonder -
> so I turned ON to use a float matrix rather than double:
>
> //Set to ON to build OpenSceneGraph with float matrix instead of
> // double.
> OSG_USE_FLOAT_MATRIX:BOOL=ON
>
> //Set to ON to build OpenSceneGraph with float matrix instead of
> // double.
> OSG_USE_FLOAT_PLANE:BOOL=ON
That is bad idea.
That clamps the available precision of the transform matrices to floats which
is no longer enough.
Are you on win32?
Greetings
Mathias
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