[GRASS-dev] Re: v.surf.rst fixes

Markus Neteler neteler at osgeo.org
Sun Sep 13 13:51:03 EDT 2009


On Wed, Aug 5, 2009 at 5:35 PM, Helena Mitasova <hmitaso at unity.ncsu.edu> wrote:
> Markus,
> after some testing here,
> it seems that the latest fixes in  v.surf.rst submitted in dev_6 branch
> (grass65)  work
> and if there are no objections they can be included in the GRASS64 release.
> The changes:
> - fixed segfault if only scol is given and other instances of wrong
>  combination of parameters (including having quietly interpolating
>  categories for 3d vector data if you forget to set layer=0, which I did
>  many times)
> - fixed running out of memory problem for large point data sets (usually
>  caused problems for 10mil + points)
> - added -z flag (but layer=0 still works, in case you have some scripts with
> that) to interpolate the z-coordinate values

... was this ever submitted to 6.4? Would it be risky?

> There is still an outstanding problem with offset2 int variable overflow (on
> my machine
> for rasters around 40,000x40,000), I am just waiting the hear from Glynn on
> what the
> correct fix is - I am hoping it is as simple as changing the type of offset2.
> If anybody knows how to handle these issues properly I can post more details,

I have no idea...


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