Well, I could do that, but then you will end up with half as many lines as you expect. The way it is done now means that it will not silently give you an unexpected output, it will warn you and abort. Also, this way means the interface will be unchanged if someone implements a way of drawing odd numbers of lines of longitude.
Well, I could do that, but then you will end up with half as many lines as you expect. The way it is done now means that it will not silently give you an unexpected output, it will warn you and abort. Also, this way means the interface will be unchanged if someone implements a way of drawing odd numbers of lines of longitude.