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Low Level Services are distinguished from High Level Services by the fact that because they perform relatively simple data transformations, resulting to data as well. On the contrary, High Level Services perform specific analyses and methods, utilizing data in order ti produce more sophisticated results, not just simple data elaboration/transformation. The Low Level Services , shown it the listavailable in the IS-EPOS web platform, are described in this section:
- Mseed2Ascii
- MiniSEED to ASCII translation
- Seed response calculation
- Seismogram picking tool
- Catalog Filter
- Coordinates Transformation
- Magnitude Conversion
- FilterOverMmin
- FilterWithinTime
Description of Low-Level Services:
- Mseed2Ascii
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- MiniSEED to ASCII translation
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- Seed response calculation
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This service uses . seed files (entered uploaded from change input icon, Figure 1) as input, to extract from them the timeseries corresponding time series corresponding to a selected response unit. The User may select among "Displacement", "Velocity" and "Acceleration" from the tab next to "Response Unit" field as shown in Figure 1, and then click in on the "Run" button (Blue button in Figure 1).
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A new file has been now created and can be accessed by clicking on one of the two links shown in red frames shown in Figure 2:
Figure 2.
After this selection the window shown in Figure 3 appears in the screen. A interactive geographical map with the locations of the seismic network station depicted is demonstrated (see "map views" section in "Visualization" chapter). Moreover, the waveforms from the signals recorded by those stations (3 channels - E, N, Z) are available corresponding to the response unit (Displacement, Velocity, Acceleration) previously selected by the User (see Waveform Viewer chapter for waveform processing). The User can now use these waveform data for further analysis by selecting one of the available applications (actions) as shown in Figure 3.
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