[mkgmap-dev] Really Serious bug when not using --routeFrom Johann Gail johann.gail at gmx.de on Thu May 27 12:00:00 BST 2010
>> Only solution I think is to make --route default and >> compulsory for the moment. Else people will create maps that havoc other >> maps without realising. >> >> > > I strongly advice against this. The problem has been around a very long time > and nobody noticed, so I don't think it is that critical. The workaround is > simple: Do not use the latest version of MS/BC until the problem is fixed. > > On the other hand, routable maps seem to be much larger than non-routable > maps. If you change the behaviour of mkgamp there you can break things by > enlarging the maps so they do not fit into the memory they used previously. > If the map is tailored to fit an 1GB SD card, it will no longer. There are > older devices that have a limited amount of built-in memory and you might > make maps unusable that now are fitting into the devices. > > In short: I think a compulsory change would break more than it helps right > now. > > > Felix, I appreciate your detailed work in investigate this bug, which will concern mkgamp in the future. But at the moment it is not known, where this NOD-Bit resides, so we can not do a clean solution. As you have shown with your detailed work, there is a simple workaround. If you want universal non-routable maps, then delete the routing specific entries from the style file and set the --route option. Therefore it *IS* an option, to be able for each user to fulfill their own needs. There is no need to make this mandatory. Ok, I admit it is a little confusing at the moment to need to set the --route option to generate a working nonroutable map for the future version of MS, but I think it is only a matter of time, until mkgmap handles the flag correctly. If in future the problem will become a bigger one, for sure someone wil look for a solution. At the moment there is simply no urgent need.
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