[mkgmap-dev] [Patch v1] improve mdr7 index

Thu Apr 13 20:00:14 BST 2017

My test was without --x-split-name-index, only --x-mdr7-del. I don't get 
good results with --x-split-name-index by now.

El 13/04/17 a las 08:39, Gerd Petermann escribió:
> Hi Carlos,
>
> my idea was to use brackets in the label produced by the style , something like "ABC Road (grade1 (3m))"
> Everything after the opening bracket is ignored by the --x-split-name-index option.
> You can put the option into a file if the commandline causes trouble with special characters.
>
> Gerd
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Carlos Dávila <cdavilam at orangecorreo.es>
> Gesendet: Donnerstag, 13. April 2017 07:04:43
> An: Development list for mkgmap
> Betreff: Re: [mkgmap-dev] [Patch v1] improve mdr7 index
>
> Hi Gerd
> I see the point about original OSM data, that's no problem.
> If I use brackets I get an error:
> bash: syntax error near unexpected element `('
> I tried --x-mdr7-del=GRADE1(3M) and --x-mdr7-del=GRADE1 (3M)
> May be it works in Windows.
>
> El 12/04/17 a las 23:28, Gerd Petermann escribió:
>> Hi Carlos,
>>
>> the global index is created from data in the img files. The algo has no access to the original OSM data.
>> If you append information in brackets () they are not indexed. Does that help?
>> Or maybe we can define another special character which starts information that should be ignored?
>>
>> Gerd
>>
>> ________________________________________
>> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Carlos Dávila <cdavilam at orangecorreo.es>
>> Gesendet: Mittwoch, 12. April 2017 23:21:07
>> An: Development list for mkgmap
>> Betreff: Re: [mkgmap-dev] [Patch v1] improve mdr7 index
>>
>> Wouldn't it be better to compare with actual values in OSM object?
>> By the way, could you add capability to catch multiple words? I would
>> like to remove from index entries like "grade1, (3m)"
>>
>> El 12/04/17 a las 23:14, Gerd Petermann escribió:
>>> Hi Carlos,
>>>
>>> so I guess you don't use --lower-case.
>>> The label is stored in UPPER-case and the Garmin software translates it to mixed-case.
>>> Maybe I should change the implementation of the options to ignore the case?
>>>
>>> Gerd
>>> ________________________________________
>>> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Carlos Dávila <cdavilam at orangecorreo.es>
>>> Gesendet: Mittwoch, 12. April 2017 20:06:48
>>> An: Development list for mkgmap
>>> Betreff: Re: [mkgmap-dev] [Patch v1] improve mdr7 index
>>>
>>> --x-mdr7-del=GRADE1 works although actual tag value is grade1, and
>>> MapSource displays Grade1
>>>
>>> El 12/04/17 a las 19:27, Gerd Petermann escribió:
>>>> Hi Carlos,
>>>>
>>>> the option is case sensitive. Please try --x-mdr7-del=grade1 or maybe --x-mdr7-del=GRADE1.
>>>> Depends on option lower-case.
>>>> I've probably mislead you by giving examples for the "Speiche" style which really adds "Gr1"  for tracktype=grade1
>>>> or "Primary" for a highway=primary.
>>>>
>>>> Gerd
>>>> ________________________________________
>>>> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Carlos Dávila <cdavilam at orangecorreo.es>
>>>> Gesendet: Mittwoch, 12. April 2017 19:13:32
>>>> An: Development list for mkgmap
>>>> Betreff: Re: [mkgmap-dev] [Patch v1] improve mdr7 index
>>>>
>>>> I have the following rule in my lines file:
>>>> highway=track {name '${ref} ${name}' | '${ref}' | '${name}' |
>>>> '${tracktype}'  }
>>>> If I got that right, using --x-mdr7-del=Grade1 should avoid all tracks
>>>> tagged tracktype=grade1 (without name and ref) to be indexed, but I can
>>>> still search for them. I tried with and without --x-split-name-index
>>>> without success.
>>>>
>>>> El 05/04/17 a las 16:03, Gerd Petermann escribió:
>>>>> Hi all,
>>>>>
>>>>> attached is a patch which changes the meaning of --x-mdr7-excl and adds a 2nd option --x-mdr7-del.
>>>>> A binary is here:
>>>>> http://files.mkgmap.org.uk/download/345/mkgmap.jar
>>>>>
>>>>> The new option --x-mdr7-del can be used to delete strings from road names before they are written to any index.
>>>>> The option  --x-mdr7-excl is now only used for the partial names created by the --x-split-name-index option.
>>>>> If you place them in an option file, you may use this:
>>>>> x-mdr7-excl=Weg,Straße,Street,Road
>>>>> x-mdr7-del=Service,Primary,Secondary,Tertiary,....
>>>>>
>>>>> So, in x-mdr7-excl you list parts of real road names which should not be searchable. In x-mdr7-del you put words which were added by your style and should be removed from the name.
>>>>> The removement of those strings is done from the end, it stops when a word is found that should not be deleted. This is what I described as 1a) here:
>>>>> http://www.mkgmap.org.uk/pipermail/mkgmap-dev/2017q2/026584.html
>>>>>
>>>>> You may now add blanks to improve readabilty, so
>>>>> x-mdr7-excl=Weg, Straße, Street, Road
>>>>> works like above. I am not sure if there is a case where we want to be able to exclude multiple words.
>>>>>
>>>>> @Arndt:
>>>>> In your current config file you use "Via Ferrata" and some other combinations with blanks like "unpav CyW". This will no longer work with this patch. Maybe you can change
>>>>> your style to add "Via-Ferrata" instead the other combinations are simply no longer needed.
>>>>>
>>>>> Do we need some kind of reporting for these options?
>>>>> Maybe some stats like
>>>>> mdr7-excl option Weg matched 11231 times
>>>>> mdr7-excl option Straße matched 2321 times
>>>>> ...
>>>>>
>>>>> Gerd
>>>>>