[GRASS-user] t.register does not register anything in a STVDS
Laurent C.
lrntct at gmail.com
Fri Feb 24 08:53:49 PST 2017
Sören,
I was sure I did. Anyway is it expected behaviour to be able to
register maps in the DB without registering them in a STDS?
I agree with Markus that a warning could be useful.
Thanks for the tip.
Laurent
2017-02-23 21:27 GMT-06:00 Sören Gebbert <soerengebbert at googlemail.com>:
> You need to specify the name of the stvds in t.register.
>
> Am 24.02.2017 02:48 schrieb "Laurent C." <lrntct at gmail.com>:
>>
>> Hello,
>>
>> I created an empty STVDS that looks fine:
>>
>> t.info input=water_levels_20150801 at kolkata type=stvds
>> +-------------------- Space Time Vector Dataset
>> -----------------------------+
>> |
>> |
>> +-------------------- Basic information
>> -------------------------------------+
>> | Id: ........................ water_levels_20150801 at kolkata
>> | Name: ...................... water_levels_20150801
>> | Mapset: .................... kolkata
>> | Creator: ................... laurent
>> | Temporal type: ............. absolute
>> | Creation time: ............. 2017-02-23 19:18:15.120512
>> | Modification time:.......... 2017-02-23 19:18:15.120516
>> | Semantic type:.............. mean
>> +-------------------- Absolute time
>> -----------------------------------------+
>> | Start time:................. None
>> | End time:................... None
>> | Granularity:................ None
>> | Temporal type of maps:...... None
>> +-------------------- Spatial extent
>> ----------------------------------------+
>> | North:...................... None
>> | South:...................... None
>> | East:.. .................... None
>> | West:....................... None
>> | Top:........................ None
>> | Bottom:..................... None
>> +-------------------- Metadata information
>> ----------------------------------+
>> | Vector register table:......
>> vector_map_register_c14262576ea94a78a55b48b65a72b3a6
>> | Number of points ........... None
>> | Number of lines ............ None
>> | Number of boundaries ....... None
>> | Number of centroids ........ None
>> | Number of faces ............ None
>> | Number of kernels .......... None
>> | Number of primitives ....... None
>> | Number of nodes ............ None
>> | Number of areas ............ None
>> | Number of islands .......... None
>> | Number of holes ............ None
>> | Number of volumes .......... None
>> | Number of registered maps:.. None
>> |
>> | Title:
>> | water_levels
>> | Description:
>> |
>> | Command history:
>> | # 2017-02-23 19:18:15
>> | t.create --overwrite output="water_levels_20150801"
>> | type="stvds" semantictype="mean" title="water_levels" description="
>> "
>> |
>>
>> +----------------------------------------------------------------------------+
>>
>> I have a maplist file in the form:
>> water_levels_20150731000000|2015-07-31 00:00:00
>> water_levels_20150731001500|2015-07-31 00:15:00
>> [snip]
>> water_levels_20150801233000|2015-08-01 23:30:00
>> water_levels_20150801234500|2015-08-01 23:45:00
>>
>> The vector maps look sane:
>> v.info map=water_levels_20150731021500 at kolkata
>>
>> +----------------------------------------------------------------------------+
>> | Name: water_levels_20150731021500
>> |
>> | Mapset: kolkata
>> |
>> | Location: UTM45N
>> |
>> | Database: /home/laurent/grassdata
>> |
>> | Title:
>> |
>> | Map scale: 1:1
>> |
>> | Name of creator: laurent
>> |
>> | Organization:
>> |
>> | Source date: Thu Feb 23 18:50:06 2017
>> |
>> | Timestamp (first layer): 31 Jul 2015 02:15:00
>> |
>>
>> |----------------------------------------------------------------------------|
>> | Map format: native
>> |
>>
>> |----------------------------------------------------------------------------|
>> | Type of map: vector (level: 2)
>> |
>> |
>> |
>> | Number of points: 3 Number of centroids: 0
>> |
>> | Number of lines: 0 Number of boundaries: 0
>> |
>> | Number of areas: 0 Number of islands: 0
>> |
>> |
>> |
>> | Map is 3D: No
>> |
>> | Number of dblinks: 1
>> |
>> |
>> |
>> | Projection: UTM (zone 45)
>> |
>> |
>> |
>> | N: 2495814.59574642 S: 2492825.11903619
>> |
>> | E: 645063.06070329 W: 641365.09898322
>> |
>> |
>> |
>> | Digitization threshold: 0
>> |
>> | Comment:
>> |
>> |
>> |
>>
>> +----------------------------------------------------------------------------+
>>
>>
>> t.register seems to works fine:
>> t.register --overwrite --verbose type=vector
>>
>> file=/home/laurent/Datos_geo/kolkata/one_rainfall_event_of_2015/wl_register_list.txt
>> Gathering map information...
>> Registering maps in the temporal database...
>>
>> But no map is added to the STVDS. If I run t.info again, I get the
>> exact same results as above.
>>
>> Strangely, if I run t.register without the --overwrite flag, I get the
>> following error:
>> t.register --verbose type=vector
>>
>> file=/home/laurent/Datos_geo/kolkata/one_rainfall_event_of_2015/wl_register_list.txt
>> Gathering map information...
>> WARNING: Map is already registered in temporal database. Unable to
>> update vector map <water_levels_20150731000000 at kolkata>. Overwrite
>> flag is not set.
>> [snip]
>>
>> But again, t.info or t.vect.list don't show any map.
>>
>> By opening the SQLite DB, I can see that:
>> - the vector maps appear in 'vector_spatial_extent', with the extent
>> filled-up
>> - the vector maps appear in 'vector_absolute_time', with the correct
>> start time
>> - the values in 'vector_metadata' seem correct
>> - the vector maps appear in 'vector_stds_register', but the column
>> 'registered_stds' is empty
>>
>> Is there something I'm missing?
>>
>> Regards,
>> Laurent
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