[mkgmap-dev] SEVERE (PolishMapDataSource): error decoding labelFrom Igor Brejc igor.brejc at gmail.com on Sat Dec 26 13:57:50 GMT 2009
Hi Steve, Steve Ratcliffe wrote: > Hi > > On 12/24/2009 06:51 PM, Igor Brejc wrote: >> I'm trying to generate Garmin maps files from Polish maps generated by >> GroundTruth. I get the following exception (using the latest version of >> mkgmap): >> >> SEVERE (PolishMapDataSource): error decoding label >> java.nio.charset.UnmappableCharacterException: Input length = 1 > > This is caused by a character in the input that cannot be represented > in the target character set. > > Instead of throwing an error when this happens I will change the code > so that it just replaces the character with a '?' character. I see that you've already committed this change. Thanks, I'll try it and let you know. > > There is also the problem with the character set and encoding used to > write the input .mp file. We have changed the code in mkgmap a number > of times to try and match commonly found .mp files. Currently we read > .mp files as though they are in utf-8 and then convert into the target > codepage. This is common for OSM derived files, since the names are > in utf-8 to begin with, but I don't know if this is true in general or > recommened. Are the labels written by GroundTruth in utf-8, or are > they already converted into the target codepage (or something else:)? GroundTruth's MP files are UTF-8 encoded, but "national" non-ASCII characters are converted to similar ASCII chars (using an OSM Wiki table), so I'm not sure which character would be problematic in this case. I also set the following polish parameters by default: CodePage = 1250 LBLcoding = 9 I'll try to experiment with some smaller MP file. Regards, Igor
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