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Check validity of colormap


iptcheckmap(map, func_name, var_name, arg_pos)


iptcheckmap(map, func_name, var_name, arg_pos) checks the validity of the MATLAB® colormap and issues a formatted error message if it is invalid.

func_name specifies the name used in the formatted error message to identify the function checking the colormap.

var_name specifies the name used in the formatted error message to identify the argument being checked.

arg_pos is a positive integer that indicates the position of the argument being checked in the function argument list. iptcheckmap includes this information in the formatted error message.

Code Generation support: Yes.

MATLAB Function Block support: Yes.


bad_map = ones(10);

The following shows the format of the error message and indicates which parts you can customize using iptcheckmap arguments.

More About

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Code Generation

This function supports the generation of C code using MATLAB Coder™. For more information, see Code Generation for Image Processing.

MATLAB Function Block

You can use this function in the MATLAB Function Block in Simulink.

Introduced before R2006a

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