[mkgmap-dev] Is dem-tdb branch ready for trunk ?

Sat Jan 27 16:50:02 GMT 2018

Thanks for sharing your results. Have you tested data from 
http://opendem.info/opendemeu_download_4326.html ?

El 27/01/18 a las 15:56, Peter Danninger escribió:
> Some results from my .hgt-tests:
>
> I wanted to find usable .hgt files for my
> web-application zu add height data to .gpx
>
> http://peter.myds.me/HDS/Tipps_Tricks/GPS/GPXclean/GPXclean.html
>  ==> look at: "Spezialisten-Funktionen per Aufrufparameter"
>  ==> sorry, only German ...
>
>  ==> The results are in the attachment.
>
> In short form:
> -----------------------------------------------------
> Viewfinderpanoramas Medium Europe 3sec:
>   ==> lots of voids and too low height values.
>
> NASA_USGS 1sec:
>   ==> no voids, but some too low height values.
>   not too bad, but easily correctable by
>   directly adjacent height values.
>   BUT only up to N59 in the north.
>
> Viewfinderpanoramas Northern Europe 1/3 sec:
>   ==> some voids in Island in the overlay
>   row/col, but easily correctable by
>   directly adjacent height values.
>
> To sum up:
> More then 3100 .hgt files without real problems.
> As far as available these are 1sec files.
> Only in the very north 3sec .hgt files.
>
> I'm happy with the NASA_USGS 1sec .hgt files :-)
>
> Peter
>
> http://www.danninger.eu
>
> Am 27.01.2018 um 15:06 schrieb Carlos Dávila:
>> El 27/01/18 a las 14:57, Carlos Dávila escribió:
>>> I have no objective method to compare hgt sources (is there any?)
>>
>> Well, a method I have already used is to get the number of voids in a 
>> hgt file using QGIS.
>>
>>