QT GUI Waterfall Sink
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A graphical sink to display signals on a waterfall (spectrogram) plot.
The Intensity Min and Max will determine how the colormap represents the range of values
Parameters
(R): Run-time adjustable
- Type
- default: complex
- options: [Complex, Float, Complex Message, Float Message]
- Name
- default: none
- FFT Size
- default: '1024'
- options: ['32','64','128','256','512','1024','2048','4096','8192','16384','32768']
- Spectrum Width
- default: 'Full'
- options: [Full, Half]
- Window Type
- default: Blackman-harris
- options: [Blackman-harris, Hamming, Hann, Blackman, Rectangular, Kaiser, Flat-top]
- Center Frequency (Hz)
- default: '0'
- Bandwidth (Hz)
- default: samp_rate
- Intensity Min
- default: '-140'
- Intensity Max
- default: '10'
- Grid
- default: 'No'
- options: ['Yes', 'No']
- Number of Inputs
- default: '1'
- Update Period
- default: '0.10'
- Show Msg Ports
- default: 'No'
- options: ['Yes', 'No']
- GUI Hint
- The GUI hint can be used to position the widget within the application. The hint is of the form [tab_id@tab_index]: [row, col, row_span, col_span]. Both the tab specification and the grid position are optional.
- Legend
- default: 'Yes'
- options: ['Yes', 'No']
- Line 1 Label
- default: none
- Axis Labels
- default: 'Yes'
- options: ['Yes', 'No']
- Line 1 Color
- options: [Multi Color, White Hot, Black Hot, Incandescent, Sunset, Cool]
- Line 1 Alpha
- default: '1.0'
- Line 2 Label
- base_key: label1
- Line 2 Color
- base_key: color1
- Line 2 Alpha
- base_key: alpha1
- Line 3 Label
- base_key: label1
- Line 3 Color
- base_key: color1
- Line 3 Alpha
- base_key: alpha1
- Line 4 Label
- base_key: label1
- Line 4 Color
- base_key: color1
- Line 4 Alpha
- base_key: alpha1
- Line 5 Label
- base_key: label1
- Line 5 Color
- base_key: color1
- Line 5 Alpha
- base_key: alpha1
- Line 6 Label
- base_key: label1
- Line 6 Color
- base_key: color1
- Line 6 Alpha
- base_key: alpha1
- Line 7 Label
- base_key: label1
- Line 7 Color
- base_key: color1
- Line 7 Alpha
- base_key: alpha1
- Line 8 Label
- base_key: label1
- Line 8 Color
- base_key: color1
- Line 8 Alpha
- base_key: alpha1
- Line 9 Label
- base_key: label1
- Line 9 Color
- base_key: color1
- Line 9 Alpha
- base_key: alpha1
- Line 10 Label
- base_key: label1
- Line 10 Color
- base_key: color1
- Line 10 Alpha
- base_key: alpha1
Example Flowgraph
Example Output
Example of the waterfall in action:
Source Files
- C++ files
- TODO
- Header files
- TODO
- Public header files
- TODO
- Block definition
- qtgui_waterfall_sink_x.block.yml