vImageCVImageFormat.ChromaSiting.bottomLeft The chrominance sample is co-sited with the bottom-left luminance sample. Declarationcase bottomLeft See AlsoChrominance siting constantsvImageCVImageFormat.ChromaSiting.topvImageCVImageFormat.ChromaSiting.topLeftvImageCVImageFormat.ChromaSiting.bottomvImageCVImageFormat.ChromaSiting.leftvImageCVImageFormat.ChromaSiting.centervImageCVImageFormat.ChromaSiting.dv420