The is described as follows:
- If amount of the whole course the portion belongs to is zero, then your way in the very beginning of the portion points in identical direction once the good x-axis.
- Otherwise, in the event that course part is zero size and also the section doesn’t have any preceding non-zero length sections, then way in the beginning of the part is equivalent to the way at the conclusion of the section.
- Otherwise, in the event that course part is zero length and there’s some non-zero size portion preceding this portion, then your way in the beginning of this part is equivalent to the way by the end of the closest preceding non-zero length section.
- Otherwise, the road section is non-zero size. The way in the beginning of the portion is probably the direction appearing out of the portion’s begin point. Read More