marker

Create a customized marker with a fixed size.

» help marker

MARKER Creates a user defined marker.

H = MARKER(X,Y,CDATA[,CMAP[,SIZE[,HALIGN[,VALIGN]]]]) creates a user defined marker CDATA (integer matrix) with colormap CMAP where each integer in CDATA corresponds to a color in CMAP (increasing order). SIZE is the marker size in points. If CDATA is not a square matrix, then the marker's shortest side will be streched so that both its width and height equals SIZE (SIZE defaults to 6).

If CMAP is omitted, its colormap will default to b/w. Furthermore, CMAP must have exactly as many rows as the number of different integers in CDATA.

MARKER does not yet support transparency.

HALIGN is the horizontal alignment and can be either of the following:

'left'
'center' (default)
'right'

VALIGN is the vertical alignment and can be either of the following:

'top'
'middle' (default)
'bottom'

Example:
cross=[0 0 2 1 2 0 0
0 0 0 1 0 0 0
2 0 0 1 0 0 2
1 1 1 2 1 1 1
2 0 0 1 0 0 2
0 0 0 1 0 0 0
0 0 2 1 2 0 0];
cmap=[1 1 1;0 0 1;1 0 1];
marker(.5,.5,cross,cmap,6,'cen','bot')
axis([0 1 0 1])

See also PLOT, GET, SET.

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do the above example and try resizing the figure and you'll see that the shape and size of the marker is intact.