[geos-devel] CVS PrecisionModel segfault on Windows MSVC 7.1

[strk at refractions.net]

On Mon, Jan 23, 2006 at 03:54:17PM -0600, Howard Butler wrote:
> All,
> 
> I'm having trouble with a MSVC 7.1- compiled version of GEOS where 
> I'm attempting to buffer a geometry that was defined with this wkt:
> 
> LINESTRING (2.000000000000 1.000000000000, 1.000000000000 3.000000000000)
> 
> I am using 30.0 as my buffer distance (using 3.0 also causes a 
> segfault in the same spot).
> 
> Here is the stack trace of my segfault:

...

> and when I inspect modelType with the debugger.  It isn't 
> anything.  Grepping through the source code, I noticed that a lot of 
> the modelType==FOO throughout PrecisionModel.cpp have been commented 
> out.  The CVS log doesn't show that anything has changed much in 
> quite a while though.  Anyone have any idea what might be going on so 
> that modelType isn't initialized?

Can it be you deleted it ?
PrecisionModels are inside GeometryFactories, which must
keep alive for the whole lifetime of geometries created with it.

--strk; 

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