The device-to-image type mapping is accomplished through a utility method provided by the ATGRestManager (getUserAgent), in combination with a derived property on the promotional content item’s descriptor. This limits the amount of data for images on devices with displays that do not support the higher resolution images. Please see the section entitled “Mobile-Specific Derived Properties” in the “Low Level Architecture” section for more details.
For more information about derived properties within Oracle ATG Web Commerce, see the ATG Repository Guide.
