imagesc
Display image from array with scaled colors.
📝Syntax
imagesc()
imagesc(C)
image(X, Y, C)
imagesc('CData', C)
imagesc('XData', X, 'YData', Y,'CData', C)
imagesc(..., propertyName, propertyValue)
imagesc(parent, ...)
go = imagesc(...)
📥Input Arguments
Parameter Description
X x-coordinates: vector or matrix.
Y y-coordinates: vector or matrix.
C Color array: m-by-n-by-3 array of RGB triplets.
parent a scalar graphics object value: parent container, specified as a axes.
propertyName a scalar string or row vector character.
propertyValue a value.
📤Output Arguments
Parameter Description
go a graphics object: image type.
📄Description

imagessc displays C data as an image. This image is colormapped using the colormap for the current figure.

Properties:

Property Description
AlphaData Transparency data: scalar, array the same size as CData, or 1 (default).
AlphaDataMapping Alpha data mapping method.
CData Image color data: vector or matrix, 3-D array of RGB triplets.
CDataMapping Color data mapping method: 'direct' or 'scaled' (default).
Children [].
Parent Parent: axes object.
Tag Object identifier: string scalar, character vector, '' (default).
Type Type of graphics object: 'surface'.
UserData User data: array or [] (default).
Visible State of visibility: 'off' or 'on' (default).
XData Placement along x-axis: two-element vector, scalar, [1 size(CData, 1)] (default).
YData Placement along y-axis: two-element vector, scalar, [1 size(CData, 2)] (default).
CreateFcn Callback (function handle, string or cell) called when object is created. Set this property on an existing component has no effect.
DeleteFcn Callback (function handle, string or cell) called when object is deleted.
BeingDeleted Flag indicating that the object is being deleted.
💡Examples
f1 = figure();
C = [0 2 4 6; 8 10 12 14; 16 18 20 22];
imagesc(C)
Example illustration
f2 = figure();
C = [0 2 4 6; 8 10 12 14; 16 18 20 22];
imagesc(C)
colormap(gray)
Example illustration
🔗See Also
imagecolormap
🕔Version History
Version Description
1.0.0 initial version
1.7.0 CreateFcn, DeleteFcn callback added.
-- BeingDeleted property added.
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