Algorithm (Workflow)

This function, hexstr2str, is designed to convert a uint8 string into a hex string array. It is particularly useful for integrating default content for special format files, such as DXF, into an m-function. The function is part of the SolidGeometry library and was introduced in version 5.0.

Input Parameters

• hs: This parameter represents the rows of the input data.
• len: This parameter specifies the number of hex numbers per row. The default value is 40, which corresponds to 80 characters.

Output Results

• text: The output is a string array with a length of [... x len] characters.

Algorithm Steps

1. The function begins by defining a test string, which is a series of hex values representing the phrase "Dies ist ein Test".
2. The function retrieves the input parameter hs using getfuncparams, with the test string as a default value.
3. The input hs is transposed to ensure it is a row vector.
4. An empty uint8 array, text, is initialized to store the converted characters.
5. A loop iterates over the hs array in steps of two characters (since each hex value is two characters long).
6. For each pair of characters, the function checks if they are not spaces (' ').
7. If the characters are not spaces, they are converted from hex to decimal using hex2dec and stored in the text array.
8. The loop continues until all characters in hs are processed.
9. The function returns the text array, which contains the converted string.

Example Usage

The function can be used in combination with str2hexsstr and str2codelines to convert a string into a hex string and then back into a character array:

hs = str2hexsstr('The quick brown fox jumps over the lazy dog');
str2codelines(hs);
char(hexstr2str(hs'));