// ----------------------------------------------------------------------------------------------
// This macro converts RGB image into RGB Stack.
// Convert the Image into 32-bit and divide each channel by 255
// ----------------------------------------------------------------------------------------------

if(!(is("grayscale")))
{run("RGB Stack");}

run("32-bit"); // convert the image into 


// indices of arrays start at 0
for (i = 0; i < 3; i++) {
	
	Stack.setChannel(i+1); // indices of stack channels start at 
	//divide by 255 first
	run("Divide...", "value=255 slice");
}