How to cut an image into sprites received via url (website\folder) in unity?

Question

C++ / C#

Suppose I have strict standards for the picture (the canvas itself is of a certain size, the sprites in it are at a certain distance, etc.), for example:

How can I specify the path to the picture from the code, cut it into sprites and throw links to them into a pre-declared array ?

Answer 1

to load by url, the WWW class is used
to create sprites, the Sprite.Create method, textures are passed to it, coordinates from where to where to cut and