Legacy waist and hips calculations

This option allows you to use the legacy way of calculating the waist and hips.

The legacy (v3) way used the chest circumference to set the initial waist and hips points. It then used waist and hips measurements to attempt to move the waist and hips points towards the actual measurement values.

The new, v4 way instead uses the actual waist and hips measurements to set the waist and hips points. It also contains corrections to the front waist dart and side seam adjustments to maintain the correct width and ease at the waist and hips. It also adjusts the armhole point after the dart rotation to maintain the correct width and ease at the armhole.

If you enable this option, Wahid will revert to the v3 way of calculating waist and hips points.