MATLAB POLYSPACE RELEASE NOTES Uživatelský manuál stáhnout pdf (Strana 126)

3 Graphics

and then u se the up arrow k e y on your keyboard to reexecute the image,

colormap,andaxis commands. The statement

colormap(hot)

adds some 21

century colorization to the 16

century etching. The function

hot generates a colorm ap containing shades of reds, oranges, and yellows.

Typically, a given im ag e matrix has a s p eci fi c colormap associa ted with it. See

the

colormap reference page for a list of othe r predefined colo rmaps.

Reading and Writing Images

You can read standard image files (TIFF, JPEG, BMP, etc.) into MATLAB

using the

imread function. The type of data returned by imread depends on

the type of image you are reading.

You can write MATLAB data to a variety of standard image formats using

the

imwrite function. See the MATLAB reference pages for these functions

for more information and examples.

For More Information See “Displaying Bit-Mapped Images” in the MATLAB

Graphics documentation for details about the image processing capabilities

of M ATLAB.

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MATLAB POLYSPACE RELEASE NOTES Uživatelský manuál Strana 126