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The options provided by the waveform viewer are described in Figure 2: When clicking on one waveform, additional options appear.
Figure 2.
- The user selects the component(s) that he/she wishes to be displayed in the screen. East-West, North-South, Vertical.
- Horizontal zooming in-out.
- Vertical zooming in-out.
- Undo zooming.
- Select between phase (start and end point) picking and single point picking.
- Select between P-wave and S-wave picking.
- Collapse the details of the waveform.Undo picking.
- Horizontal zooming tool. The User may alternatively zoom in-out the waveform by clicking on this small vertical bar and move the mouse left-right.
- Collapse the details of the waveform.
Picking Phase for Waveform Analysis:
The User has to select "Phase" and "P" options from the fields 5 and 6 of figure 2 for the Vertical component of a station (**Z channel) and "Phase" and "S" options from the fields 5 and 6 of figure 2 for one of the Horizontal components of a station (**N or **E channel).
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Then he/she has to pick the starting and ending point that wishes to use in Spectral Analysis (Figure 3).
Figure 3.
Overview
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