iOS定义了将像素转换为点位置的方法。

I currently have an image with a defined distance between multiple values. This distance is defined by pixel distance. I would like to know what the most proper future/proof way of going about converting these pixel positions into point positions on iOS would be. I have to overlay specific images in these spots based off of a performed calculation. Would anyone know the best way to do this?I currently have an image with a defined distan