[mkgmap-dev] DEM Noddy Guide

Tue Jan 9 09:34:44 GMT 2018

Hi Gerd

Bear with me

Nick


On 09/01/2018 09:29, Gerd Petermann wrote:
> Hi Nick,
>
> seems that something goes wrong with the dem option, it seems to contain only a blank.
> No idea what goes wrong, maybe you have repeated the option --dem somewhere?
> Please post the full command.
>
> Gerd
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von osm at pinns <osm at pinns.co.uk>
> Gesendet: Dienstag, 9. Januar 2018 10:22:28
> An: mkgmap-dev at lists.mkgmap.org.uk
> Betreff: Re: [mkgmap-dev] DEM Noddy Guide
>
> Hi Gerd
>
> I now get
>
>
> SEVERE (HGTReader): F:\garmin\maps\ukraine\12345700.osm.pbf:
> extracted path >< does not exist, check
> Number of MapFailedExceptions: 0
> Number of ExitExceptions: 0
> Time finished: Tue Jan 09 09:21:10 GMT 2018
> Total time taken: 20273ms
>
>     .
>
>
> On 09/01/2018 09:13, Gerd Petermann wrote:
>> Hi Nick,
>>
>> yes, the message looks that strange because the variable "dir" is empty or maybe contains a blank when this code is executed:
>> File f = new File (dir);
>> if (!f.exists())  log.error(dir, "does not exist");
>>
>> The file name for the *.pbf is added by the logging method, because the dem option is parsed for each osm input file.
>> With r4039 I've changed the code for the error message to this:
>> log.error("extracted path >" + dir + "< does not exist, check", dirsWithHGT);
>>
>> Please try to reproduce the error with r4039 and let me know what it reports now.
>>
>> Gerd
>>
>> ________________________________________
>> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von osm at pinns <osm at pinns.co.uk>
>> Gesendet: Dienstag, 9. Januar 2018 09:57:49
>> An: mkgmap-dev at lists.mkgmap.org.uk
>> Betreff: Re: [mkgmap-dev] DEM Noddy Guide
>>
>> Hi Gerd
>>
>> I'm merely questioning the phrasing of the message -, ie it wasn't the
>> pdf that was causing the problem as the msg implied.
>>
>> Nick
>>
>>
>> On 09/01/2018 08:51, Gerd Petermann wrote:
>>> Hi Nick,
>>>
>>> I cannot reproduce that message without using a wrong option like
>>> dem=path1,,path2
>>> (extra comma)
>>>
>>> Anyhow, I try to improve the message.
>>>
>>> Gerd
>>>
>>> ________________________________________
>>> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von osm at pinns <osm at pinns.co.uk>
>>> Gesendet: Dienstag, 9. Januar 2018 09:40:23
>>> An: mkgmap-dev at lists.mkgmap.org.uk
>>> Betreff: Re: [mkgmap-dev] DEM Noddy Guide
>>>
>>> Hi Gerd
>>>
>>> I used
>>>
>>> dem=e:\dem\europe\
>>> overview-dem-dist=88888
>>> dem-dists=3312,13248,26512,53024
>>> dem-poly=F:\garmin\ukraine\areas.poly
>>>
>>> when I added the required .hgt files it worked OK
>>>
>>>
>>> On 09/01/2018 08:20, Gerd Petermann wrote:
>>>
>>> On 09/01/2018 08:20, Gerd Petermann wrote:
>>>> Hi Nick,
>>>>
>>>> I think this message may appear if you have blanks in the option --dem. What exactly do you use?
>>>>
>>>> Gerd
>>>>
>>>> ________________________________________
>>>> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von osm at pinns <osm at pinns.co.uk>
>>>> Gesendet: Dienstag, 9. Januar 2018 09:14:14
>>>> An: mkgmap-dev at lists.mkgmap.org.uk
>>>> Betreff: Re: [mkgmap-dev] DEM Noddy Guide
>>>>
>>>> Hi Gerd,
>>>>
>>>> Just come across a misleading error message:
>>>>
>>>> SEVERE (HGTReader): F:\garmin\maps\ukraine\12345700.osm.pbf:
>>>>       does not exist
>>>> Number of MapFailedExceptions: 0
>>>> Number of ExitExceptions: 0
>>>>
>>>> The pbf existed, as it produced the map with out DEM !
>>>>
>>>> However,some of the .hgt files were missing which caused the error.
>>>>
>>>> Just a minor point
>>>>
>>>> r
>>>>
>>>> Nick
>>>>
>>>>
>>>>
>>>>
>>>> On 09/01/2018 06:09, Gerd Petermann wrote:
>>>>> Hi all,
>>>>>
>>>>> I did not note this before, but there is probably a typo in this description:
>>>>> overview-dem-dist=888888 is far too high, I assume Arndt meant 88888.
>>>>>
>>>>> Besides that I think there is need to use --dem-poly in combination with the poly file created by splitter.
>>>>> This poly file just describes the outer boundaries of the tiles, and mkgmap calculates this polygon anyway.
>>>>> The --dem-poly can be used with the rather complex *.poly files from geofabrik. I've tested with bolivia.poly which has 1176 nodes
>>>>> and the additional tests for the polygon bounds did not take long. Still, you may want to draw your own simpler poly files because those from
>>>>> geofabrik are rather close to country borders.
>>>>>
>>>>> Gerd
>>>>>
>>>>> ________________________________________
>>>>> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Arndt Röhrig <arndt at speichenkarte.de>
>>>>> Gesendet: Freitag, 5. Januar 2018 21:41:57
>>>>> An: Development list for mkgmap
>>>>> Betreff: Re: [mkgmap-dev] DEM Noddy Guide
>>>>>
>>>>> Hi Mike,
>>>>>
>>>>> it´s simple:
>>>>>
>>>>> - Download hgt files )*
>>>>>
>>>>> - give mkgmap the option x-dem=path to the hgt files
>>>>>
>>>>> - x-dem-dists=3314,4000,6000,8000,10000,15000 (maybe other values are better)
>>>>>
>>>>> 1 value for each level (options file: exampel levels = 0:24, 1:23, 2:22, 3:21, 4:20, 5:19)
>>>>>
>>>>> - x-overview-dem-dist=888888 writes DEM to the overviewmap (maybe other value is better)
>>>>>
>>>>> - x-dem-poly=path to a poly file  for example areas.poly from splitter result.
>>>>>
>>>>> That´s all.
>>>>>
>>>>> )* hgt files are downloadable here: http://www.viewfinderpanoramas.org/dem3.html
>>>>>
>>>>> I use phyghtmap to create SRTM contourlines as .pbf. the program download hgt files from viewfinderpanoramas to build the pbfs. After that you find a folder hgt on your pc with hgt files inside.
>>>>>
>>>>> http://katze.tfiu.de/projects/phyghtmap/
>>>>>
>>>>>
>>>>> Greetings
>>>>>
>>>>> Arndt
>>>>>
>>>>>
>>>>> Mike Baggaley hat am 5. Januar 2018 um 21:19 geschrieben:
>>>>>
>>>>>
>>>>> Hi all,
>>>>>
>>>>> I've been following the discussions of DEM with interest, but have so far
>>>>> not attempted to create a map including this. Is there a guide to the steps
>>>>> involved in producing the DEM data? I have contour data in OSM format - is
>>>>> there a simple way to get this into a suitable input format (or is there a
>>>>> specification of the input format available, so I can knock up something to
>>>>> convert it)? I'm assuming that the height data contains the same information
>>>>> as contour data but in a different format.
>>>>>
>>>>> Thanks,
>>>>> Mike
>>>>>
>>>>> _______________________________________________
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