January 2015 - mkgmap-dev - The mkgmap lists

Re: [mkgmap-dev] Lake Geneva is dry - fixed
by thesurveyor＠wolke7.net 06 Jan '15

06 Jan '15

3 3

small issue with Way.getCofG()
by GerdP 06 Jan '15

06 Jan '15

Hi all, We use the method Way.getCofG() to calculate a single coordinate for shapes, e.g. for buildings with house numbers. The routine calculates the avg. latitude and longitude of all points, which typically gives a point somewhere close to the middle of the shape, but it seems to ignore the fact that the first and last point in a shape are equal to close it, means, the result will be a bit too close to that closing point. Is there a good reason for this? We use it also to calculate the POI in --add-pois-to-areas. Gerd P.S. I guess a better formular could calculate the convex hull first, but I doubt that the additional CPU time would really improve the result that much. -- View this message in context: http://gis.19327.n5.nabble.com/small-issue-with-Way-getCofG-tp5828821.html Sent from the Mkgmap Development mailing list archive at Nabble.com.

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africa map 2
by Steve Sgalowski 05 Jan '15

05 Jan '15

re downloaded the osm.bz file , it also failed due to bounds exception africa.pbf file . failed also , just 5 mb map file , when the input file is 731 mb pbf file osm.bz = 1.3 gb both have now failed Stephen

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Lake Geneva is dry - fixed
by Hanspeter Gysin (bluewin) 05 Jan '15

05 Jan '15

fixed a corrupt multipolygon section at Château de Glérolles (west of Saint-Saphorin). unfortunately the tile in question is too large for download by overpass api and the verification is not possible before 6th of january when europe-latest.osm.pfb at geofabrik is updated. Hanspeter

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Lake Geneva is dry: how to find the error?
by thesurveyor＠wolke7.net 05 Jan '15

05 Jan '15

2 2

africa map try 2
by Steve Sgalowski 04 Jan '15

04 Jan '15

re downloaded the map again put it into my osm-data directory run the script same thing again , looks like the file on the server may be corrupted or broken stephen

2 1

How to display highway shields with numbers only
by Mark Bradley 03 Jan '15

03 Jan '15

Thanks for responding Gerd. Yes, I experimented with the Substring filter, just as you suggested. But because the number of characters in the ref tag varies, I could not figure out how to make it work for all cases. I'll keep working on it. Mark ________________________________________ Hi Mark, this simple change in default/lines seems to work for me (in MapSource): ref=* {set my_ref='${ref | substring:2}''} highway=motorway { name '${my_ref|highway-symbol:hbox} ${name}' | '${my_ref|highway-symbol:hbox}' | '${name}' } Without it I see "A1", with it I see just "1" in the shield. There is more to do catch all cases for different types of highways and those without a ref. Gerd ________________________________________ From: ethnicfoodisgreat(a)gmail.com To: mkgmap-dev(a)lists.mkgmap.org.uk Date: Thu, 1 Jan 2015 08:49:01 -0500 Subject: [mkgmap-dev] How to display highway shields with numbers only Hi list members, A few weeks ago I proposed the following problem. I did not receive any help, so I will ask again, in case any of you can shed some light. Table 4.4 in the Conversion Style Manual shows highway shields displaying numbers only, which is what I would like to achieve. In Table 4.3 (the list of substitution filters), the description for the highway-symbol filter says that the filer "Prepares the value as a highway reference such as 'A21' 'I-80' and so on. A code is added to the front of the string so that a highway shield is displayed, spaces are removed and the text is truncated so as not to overflow the symbol." The description does not explain (from what I can tell) how to remove the alphabetic characters, leaving only the numbers. I've tried several possibilities of the filter without success. Where I live, there's a motorway called Interstate 70 which is labeled "I70" in OSM. I would like to create shields with only the number in the shields, similar to the example in Table 4.4. How do I do this? To add a little more information: The description in Table 4.4 for each of the first three symbols says "digits only." If I apply the substitution filter to the ref values as is, the symbols on the resulting map do NOT contain digits only, they also include the alpha characters in front of the numbers that describe what type of highway the highway is, such as "I" for interstate or "SR" for state road. Based on this, I have to conclude that it is up to the mapper to strip off these alpha characters first, before applying the highway symbol filter. Again, I have tried numerous combinations of the style filters and commands without success. The problem is that the number of alpha characters preceding the digits can vary. Sometimes there are no alpha characters at all. I know how to add "dummy" spaces to the ref tag for those features that don't have a ref value at all, but how to strip the alpha characters when the number of characters can vary, and the separator character is a space? I would've thought this would be a common desire for users in the U. S. and that it would've been solved a long time ago. Maybe not? Mark

3 2

africa map
by Steve Sgalowski 03 Jan '15

03 Jan '15

not shure what has happened to the africa map but just downloaded a 750 mb pbf file , to find out the map size is only 4 mb in size and only 2 areas . but nothing has changed from the same rules and setup in the one i do for australia any ideas on this ? stephen

2 2

How to display highway shields with numbers only
by Mark Bradley 02 Jan '15

02 Jan '15

Hi list members, A few weeks ago I proposed the following problem. I did not receive any help, so I will ask again, in case any of you can shed some light. Table 4.4 in the Conversion Style Manual shows highway shields displaying numbers only, which is what I would like to achieve. In Table 4.3 (the list of substitution filters), the description for the highway-symbol filter says that the filer "Prepares the value as a highway reference such as 'A21' 'I-80' and so on. A code is added to the front of the string so that a highway shield is displayed, spaces are removed and the text is truncated so as not to overflow the symbol." The description does not explain (from what I can tell) how to remove the alphabetic characters, leaving only the numbers. I've tried several possibilities of the filter without success. Where I live, there's a motorway called Interstate 70 which is labeled "I70" in OSM. I would like to create shields with only the number in the shields, similar to the example in Table 4.4. How do I do this? To add a little more information: The description in Table 4.4 for each of the first three symbols says "digits only." If I apply the substitution filter to the ref values as is, the symbols on the resulting map do NOT contain digits only, they also include the alpha characters in front of the numbers that describe what type of highway the highway is, such as "I" for interstate or "SR" for state road. Based on this, I have to conclude that it is up to the mapper to strip off these alpha characters first, before applying the highway symbol filter. Again, I have tried numerous combinations of the style filters and commands without success. The problem is that the number of alpha characters preceding the digits can vary. Sometimes there are no alpha characters at all. I know how to add "dummy" spaces to the ref tag for those features that don't have a ref value at all, but how to strip the alpha characters when the number of characters can vary, and the separator character is a space? I would've thought this would be a common desire for users in the U. S. and that it would've been solved a long time ago. Maybe not? Mark

2 1