| CalibrationMapping(datasetType, policy, ...) | CalibrationMapping is a Mapping subclass for calibration-type products. | 
| CameraMapper(policy, repositoryDir[, root, ...]) | CameraMapper is a base class for mappers that handle images from a camera and products derived from them. | 
| DatasetMapping(datasetType, policy, ...) | DatasetMapping is a Mapping subclass for non-Exposure datasets that can be retrieved by the standard daf_persistence mechanism. | 
| ExposureIdInfo([expId, expBits, maxBits]) | Exposure ID and number of bits used. | 
| ExposureMapping(datasetType, policy, ...) | ExposureMapping is a Mapping subclass for normal exposures. | 
| ImageMapping(datasetType, policy, registry, ...) | ImageMapping is a Mapping subclass for non-camera images. | 
| MakeRawVisitInfo([log]) | Base class functor to make a VisitInfo from the FITS header of a raw image. | 
| Mapping(datasetType, policy, registry, ...) | Mapping is a base class for all mappings. |