jit.catch~

jit.catch~

Transforms signal data into matrices

Use jit.catch~ to transform MSP signals into a stream of jitter matrices.

Arguments:

channels

The number of input signals. An inlet will be created for each channel and the output matrices will contain the data for each channel on a separate plane.

Attributes:

Name Type Description

framesize int In some modes, the width of the output matrix. (default=320)

mode int Four different modes are possible: in mode 0, all data since the last output is output in a one-dimensional matrix. In mode 1 the amount of buffered data that fits into a multiple of the framesize is output in two dimensions; data not output will be saved for the next time. In these first two modes, every sample collected should be output once and only once. In mode 2 a framesize of the most recent data is output. Mode 3 causes jit.catch~ to behave like an oscilloscope, triggering on channel trigchan when the signal crosses triglevel in the direction trigdir. If the threshold has not been passed for the duration of the entire internal data buffer (100 ms), jit.catch~ reverts temporarily to mode 2 behaviour and outputs the most recent data until the threshold is crossed again.

downsample int A downsampling factor (default=1). If downsampling value is set to n, each group of n successive samples are averaged.

trigchan int In mode 3, the channel to use for trigger points (default=0)

trigthresh float The signal level at which to trigger a redraw in mode 3 (default=0.0)

trigdir int The direction to use to identify crosses in the trigger point: 0 is upwards, and 1 is downwards. (default=0)

Messages:

bang

Receiving a bang may trigger a matrix to be output, depending on the mode and the amount of signal data that has been received since the last bang.

Example:

See Also:

jit.buffer~, jit.graph, jit.gl.graph, jit.peek~, jit.poke~, jit.release~, peek~, poke~

Name	Type	Description
framesize	int	In some modes, the width of the output matrix. (default=320)
mode	int	Four different modes are possible: in mode 0, all data since the last output is output in a one-dimensional matrix. In mode 1 the amount of buffered data that fits into a multiple of the framesize is output in two dimensions; data not output will be saved for the next time. In these first two modes, every sample collected should be output once and only once. In mode 2 a framesize of the most recent data is output. Mode 3 causes jit.catch~ to behave like an oscilloscope, triggering on channel trigchan when the signal crosses triglevel in the direction trigdir. If the threshold has not been passed for the duration of the entire internal data buffer (100 ms), jit.catch~ reverts temporarily to mode 2 behaviour and outputs the most recent data until the threshold is crossed again.
downsample	int	A downsampling factor (default=1). If downsampling value is set to n, each group of n successive samples are averaged.
trigchan	int	In mode 3, the channel to use for trigger points (default=0)
trigthresh	float	The signal level at which to trigger a redraw in mode 3 (default=0.0)
trigdir	int	The direction to use to identify crosses in the trigger point: 0 is upwards, and 1 is downwards. (default=0)