Re: [mkgmap-dev] [PATCH v5] - min arc length fixes

2009-08-29 Thread Mark Burton
Hi Garvan, I spent some time testing short arcs and managed to find some routing problems where mapsource will route in one direction but not in the reverse direction. This looks like a mapsource bug to me, so I am curious if it is seen with all versions of mapsource, or even if others

Re: [mkgmap-dev] [PATCH v5] - min arc length fixes

2009-08-29 Thread Garvan maew
Can you tell me what setting you had for U-Turns? If this is indeed a MapSource 6.13.7 bug, then knowing this might be important in deciding if your patch v5 is necessary. Garvan Mark Burton wrote: Hi Garvan, I spent some time testing short arcs and managed to find some routing

Re: [mkgmap-dev] [PATCH v5] - min arc length fixes

2009-08-28 Thread Valentijn Sessink
Mark, I'm afraid I lost track when you wrote Blast, just discovered that clipping all ways before doing short arc removal breaks polygons that straddle tile boundaries - afterwards, the discussion wandered off to Massachusetts. If I understand you correctly, your v4 patch is in svn now, so if I

Re: [mkgmap-dev] [PATCH v5] - min arc length fixes

2009-08-28 Thread Mark Burton
Hi, If I understand you correctly, your v4 patch is in svn now, so if I run into strange routing, I should report and/or check if v5 performs any better? No, only a portion of the v4 patch has been committed because it's a useful fix to have independently of whether the rest of the patch is