[GRASS-dev] Re: [bug #2765] (grass) v.buffer bug??

Maciej Sieczka tutey at o2.pl
Mon Oct 2 08:24:22 EDT 2006

Hi Hamish,

Thanks for working on this bug!

I have tried your recent patch you sent.

It improves things a bit, but doesn't solve the bug yet. See the
attached screndumps. These are xcf files, so you extract the v.buffer
syntax used from them.

As you can see the 4m (buf4.xcf) buffer of my ditches looks kindoff
better - there is no single bulge now, but a buffered ditch. The
problems are that the buffer width is not 4m as declared, but circa 1m
and there is a half-bulge on the left side and some artifact at the

In case of the 1m buffer (buf1.xcf) there is no change at all when
compared to the previous result.

If you still have the sample Grass location (vbuffer_bugs) I sent you
please try reproducing these.

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