There are provided methods, apparatuses, systems and computer program products for coding volumetric video, where a first texture picture is coded, the first texture picture comprising a first projection of texture data of a first source volume of a digital scene model, the scene model comprising a number of further source volumes, the first projection being from the first source volume to a first projection surface, a first geometry picture is coded, the first geometry picture representing a mapping of the first projection surface to the first source volume, and first projection geometry information of the first projection is coded, the first projection geometry information comprising information of position of the first projection surface in the scene model.