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Seismic Scales
Use the Seismic
Scales tab to set the scale to use for your wiggles and traces. 
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This tab has the following options:
Vertical scale
Select a value for the number of inches per second to use to display
the traces.
Horizontal scale
WinPICS can draw traces horizontally at trace scale or at map
scale. Trace scale draws your seismic with a fixed distance (in TPI) between
traces, while map scale is variable and presents a spatially accurate
representation of the traces.
To draw your traces at trace scale, follow these steps:
- Select the Use Trace Scale Mode option.
- In the Traces
Per Inch field, select the number of traces per inch, as shown
in the Seismic
display, you want WinPICS to
draw.
To draw your traces at map scale, follow these steps
- Select the Use Map Scale Mode option.
- In the Map Scale field, type the scale, as shown on your map, you want WinPICS
to draw traces at. The default setting is the scale of your current map.
For example, a scale of 1:20000 means your traces will be drawn so they
match the length of your line at a map scale of 1:20000 meters.
- The Map Scale
feature is useful for comparing two seismic vintages with different trace
spacing.
Trace Decimation
Wiggle decimation controls how many seismic traces are displayed.
- Select the Auto
box to have WinPICS automatically
decimate traces displayed on the seismic window based on the selected
scale.
- Select a number to customize how many seismic
traces WinPICS displays. A setting
of 1 means that WinPICS displays
every trace; 2 means that every other trace is displayed, etc.
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