The main goal of the PerfLoc project is to facilitate the development of the best possible smartphone indoor localization apps. An extensive repository of annotated smartphone sensor and RF signal strength data to enable researchers to develop smartphone indoor localization apps.
Catafalque of Krzysztof OpaliÅski, 17th century. A catafalque is a raised bier, box, or similar platform, often movable, that is used to support the casket, coffin, or body of the deceased during a funeral or memorial service.
A heavy, black cloth, spread over the coffin in the church at a funeral, or over the catafalque at other services for the dead. In the centre of it there is generally a white or red cross. It must always be black, but its material and ornamentation may vary. Symbols of death, such as skulls, cross-bones etc., forbidden on the altar and ministers' vestments, are allowed on palls. The pall is in universal use, though not prescribed. Where, however, there is no catafalque or bier, absolution may not be given except a black cloth be extended on the floor of the sanctuary (S.