Updates to the FFTGUI class:
Clicking on the comparison of the FFT cycles through which windowed FFT is on top. There is a drop-down menu of windows so that any single windowed FFT can be seen on its own. There is a clear button that sort of works (the FFT and Sine graphs are cleared by running a .wav of silence through them and the drop-down menus and text field don't change.) If the filename in the text field does not exist, it uses the silence again. A bunch of null pointer errors came up and were fixed. Most of them came from the program trying to do something on a mouse click or move over the window when there was no graph in the window.
I realised that FFT.java used all floats, GraphingData used all doubles and FFTGUI used a little of each. So everything is now using doubles. They are more precise which means they slow down the program, but seeing as we will be using it for very small files, it shouldn't be too noticeable.
The BigGUI is currently just buttons, text fields, and drop-down menus that don't do anything. Tomorrow I will be working on getting a few of BigGUIs buttons working.
I still need to figure out what units the raw sound bytes are in. I'm doing some research on this tonight and will report back tomorrow.
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