I just have a certain basis of C/C + + (be able to write some simple procedures, does not have the actual project development experience), now want to realize such a function, look at the information on the Internet, some said to use GDI, knowledge using curve fitting, because before doing anything, some at a loss, what do I need to prepare the related knowledge?

CodePudding user response:

GDI drawing is simple, can paint line, point, curve fitting estimates require specialized knowledge of mathematics,

CodePudding user response:

Two calculating mean, asked a few times more, you can get a smooth curve