Page History

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• Examples for device structures and relations between devices (platform types with blue font color in the following)
  • CTD and Nutrient Analyser
    • CTD: vessel:polarstern:ctd_watersampler, with subdevices:
      • Altimeter: vessel:polarstern:ctd_watersampler:altimeter
      • Watersampler sbe32: vessel:polarstern:ctd_watersampler:sbe32
      • Conductivity Sensor sbe4: vessel:polarstern:ctd_watersampler:sbe4
      • …
    • Nutrient Analyser: laboratory:awi-e-2080:iarc_aa3_iarc_rember
    • relate run of nutrient analyser to CTD-cast from which water sample was obtained:
      • create action for nutrient analyser and
      • add new “Event Relations” of type “Deployed with” and choose CTD for “Related Root Item Urn”
    • Remotely operated vehicle ‘Beast’: vehicle:beast
    • Icecorer:
      • Used on pack-ice platform called ice_station
      • pack_ice:ice_ps:tm_ice_corer_2
    • Snowpits in which density cutter and snow micro pen is used for sampling/measuring
      • pack_ice:parent_snowpit with subdevices
      • Snow Micro Pen: pack_ice:parent_snowpit:slf_smp02
      • Snow density cutter: pack_ice:parent_snowpit:density_cutter01
    • Handheld CTD
      • Can be used from multiple platform types, e.g. vessel, pack-ice, small_boat, etc.
      • Use platform “Unassigned Platform” of platform type ‘unassigned’
      • unassigned:unassigned_plattform:handheld_ctd

How do I display measured data in the dashboard?

There are three ways to pick up data automatically:

• SMB (Windows Share)
• FTP
• E-Mail

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Description of an NRT-Datafile

The NRT-Datafile serves an interface between your own file format and the NRT-Database-Import-Software InsertDB. If measurement data is to be written to the NRT database, it must be provided in the format described below.

Construction:

Header row with Sensor-IDs and physical Unit

Time t with measured value

Time t+1 with measured value

Time t+n with measured value

Description of a Header row:

Timestamp and the sensor IDs are required in the header line, timestamp with time and the sensor URNs in the form platform:device:sensor. Blanks are replaced by underscore (_) in the device and sensor parts. Otherwise only alphanumeric characters are allowed. You see your sensor URN under the Parameters Tab, hover on a short name of a Parameter.  The separator between the timestamp and the sensor IDs is a semicolon. The physical Units are placed in square brackets and is optional.
Example:

time; vessel:polarstern:ctd964:pressure[hPa]; vessel:polarstern:ctd964:temperature[°C]

Description of measurement data line(s)

The time is given in UTC, so no local time or even summer time! The separator in the timestamp between Date and Time is either a T or a blank. The specification of milliseconds is optional.

YYYY-MM-DD hh:mm:ss[.mmm]

YYYY-MM-DDThh:mm:ss[.mmm]

The timestamp as well as the measured values ​​are also to be separated with semicolon. The decimal separator is a point.

Example:

2016-04-21 16:50:30;1004.0;22.5

Example of an NRT-Datafile

time; vessel:polarstern:ctd964:pressure[hPa]; vessel:polarstern:ctd964:temperature[°C]

2016-04-21 16:50:30;1004.0;22.5

2016-04-21 17:00:30;1003.0;22.4

or

time; vessel:polarstern:ctd964:pressure[hPa]; vessel:polarstern:ctd964:temperature[°C]

2016-04-21T16:50:30;1004.0;22.5

2016-04-21T17:00:30;1003.0;22.4