Mr Trump said a portrait by the same artist of former US president Barack Obama was "wonderful" but "the one on me is truly the worst". A portrait of Donald Trump, which he branded "truly the ...

Hosted by Meghna Chakrabarti, On Point is a unique, curiosity-driven combination of original reporting, newsmaker interviews, first-person stories, and in-depth analysis, making the world more ...

A point cloud is a set of data points in space. The points represent a 3D shape or object. Each point has its set of X, Y and Z coordinates.