[mkgmap-dev] DEM Noddy Guide

Tue Jan 9 09:29:55 GMT 2018

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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