Pixel Information tool without text label
hcontrol = impixelinfoval(hparent,himage)
hcontrol = impixelinfoval(hparent,himage) creates
a Pixel Information tool in
hparent that provides
information about the pixels in the image specified by
a handle to a figure or uipanel object.
be a handle to an image or an array of image handles.
The Pixel Information tool displays information about the pixel in an image that the pointer is positioned over. The tool displays pixel information for all the images in a figure.
When created with
impixelinfo, the tool is
a uipanel object, positioned in the lower-left corner of the figure,
that contains the text label
Pixel Info: followed
by the x- and y-coordinates
of the pixel and its value. When created with
the tool is a uicontrol object positioned in the lower-left corner
of the figure, that displays the pixel information without the text
label, as shown in the following figure.
The information displayed depends on the image type. See
To copy the pixel value string to the Clipboard, right-click while the pointer is positioned over a pixel. In the context menu displayed, choose Copy pixel info.
Add a Pixel Information tool to a figure. Note how you can change the style and size of the font used to display the value in the tool using standard Handle Graphics commands.
ankle = dicomread('CT-MONO2-16-ankle.dcm'); h = imshow(ankle,); hText = impixelinfoval(gcf,h); set(hText,'FontWeight','bold') set(hText,'FontSize',10)