[GRASS-user] importing Mars DEM takes too long

[Helmut Kudrnovsky]

Markus Neteler wrote
> On Sun, Nov 20, 2016 at 9:17 PM, Anna Petrášová <

> kratochanna@

> > wrote:
>> On Sun, Nov 20, 2016 at 3:02 AM, Markus Neteler <

> neteler@

> > wrote:
>>> On Nov 19, 2016 11:55 PM, "Anna Petrášová" <

> kratochanna@

> > wrote:
>>>>
>>>> On Sat, Nov 19, 2016 at 2:20 PM, Markus Neteler <

> neteler@

> > wrote:
>>>> > On Sat, Nov 19, 2016 at 6:17 PM, Anna Petrášová
>>> ...
>>>> See above, I already tested with 2.1.2 (released in October).
>>>
>>> Ok. And gdal_translate is equally slow with this dataset with respect to
>>> r.in.gdal?
>>
>> I haven't measured it, but it seems very slow as well. Do you think I
>> should make a ticket for that for GDAL?
> 
> This would be good, to shed some light here.
> 
> If needed, here a Mars DEM for the ticket to simplify things for them:
> http://www.uahirise.org/dtm/dtm.php?ID=ESP_020673_1750

just tested one of the smaller ones: 

ESP_020673_1750_RED_C_01_ORTHO.JP2

r.import input=D:\dl\mars\ESP_020673_1750_RED_C_01_ORTHO.JP2
output=ESP_020673_1750_RED_C_01_ORTHO
WARNING: Datum <unknown> not recognised by GRASS and no parameters found
WARNING: Datum <unknown> not recognised by GRASS and no parameters found
WARNING: Datum <unknown> not recognised by GRASS and no parameters found
Proceeding with import of 1 raster bands...
Importing raster map <ESP_020673_1750_RED_C_01_ORTHO>...
(Sun Nov 20 22:09:07 2016) Command finished (11 sec) 

by

System Info                                                                     
GRASS version: 7.3.svn                                                          
GRASS SVN revision: r69851                                                      
Build date: 2016-11-20                                                          
Build platform: x86_64-w64-mingw32                                              
GDAL: 2.1.2                                                                     
PROJ.4: 4.9.3                                                                   
GEOS: 3.5.0                                                                     
SQLite: 3.14.1                                                                  
Python: 2.7.5                                                                   
wxPython: 2.8.12.1                                                              
Platform: Windows-8-6.2.9200 (OSGeo4W) 

no issues (slow or other) here.



-----
best regards
Helmut
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