`plstripa`: Add a point to a strip chart
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#### `plstripa`: Add a point to a strip chart

`plstripa (` | id ,
| pen ,
| x ,
| y `)`;

Add a point to a given pen of a given strip chart. There is no need for all pens to have the same number of points or to be equally sampled in the x coordinate. Allocates memory and rescales as necessary.

`id` (``PLINT``, input)

  Identification number of the strip chart (set up in `plstripc`).

`pen` (``PLINT``, input)

  Pen number (ranges from 0 to 3).

`x` (``PLFLT``, input)

  X coordinate of point to plot.

`y` (``PLFLT``, input)

  Y coordinate of point to plot.

Redacted form: `plstripa(id, pen, x, y)`

This function is used in example 17.

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`plstring3`: Plot a glyph at the specified 3D points | Home | `plstripc`: Create a 4-pen strip chart