FILE MENU
Individual Sacfiles, polygon files, and wavelet transform files can be read and written to and from files.

Read Sacfile
Choose this to read in a sacfile from disk. A secondary menu will popup to choose the file:

Write SACFILE
The user can write out a sacfile of the most recent processed seismogram within BCseis by choosing this item. A secondary menu will popup to save the user's file to a directory:

Read Polygon File
Write Polygon File
A Polygon file is a *.mat file that contains the time-scale coordinates of chosen polygon that delimits some part of a seismogram. It is expected that the polygon is constructed and saved using BCseis.
Similar input and output file menus as for SAC file reading/writing are invoked to read or write the Polygon file.

Read CWT Template file
A CWT Template file is a *.mat file containing a portion of the CWT chosen using the polygon picker. It is expected that the template file is constructed and saved using BCseis. Reading a Template file implies that it will be used in the CWT 2D correlation operation with the CWT of the data currently in memory. It should therefore have the same time length and scale band as the CWT currently in memory.
An input file menu for reading appears.

Write Wavelet Transform to File
The current wavelet transform is written to a *.mat file. For example, this is how a Template file is created after delimiting part of the CWT plane with a polygon and zeroing out all other coefficients.
An output file menu for writing a file appears.

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