matrix_histogram

Source: cli/datasets/matrix_histogram.pro

 matrix_histogram
        Add a histogram to a matrix dataset.

 Usage:
        matrix_histogram[, <keys>]

 Keywords:
        along           If set, then make a histogram along the track.
        direction int   Set a direction for histograms across the
                        track, one of 0, 45, 90 or 135 (degrees).
        name    String  A mnemonic name for the histogram.
        length  int     The length of the histogram each way from the
                        origin.
        width   int     The width of the histogram each side of the
                        origin.

 Notes:
        The along and direction keys are exclusive, if neither is
        given then direction=90 is assumed.
        The length and width keys are ignored for along histograms.

 Datasets:
        MATRIX

 History:
        Original: 30/8/00; SJT