The invention relates to the use of a fabric or a textile, in particular a woven fabric, knitted fabric, interlaced fabric, or non-woven, in a shading system having controllable transparency, air permeability, and/or vapor permeability, wherein the fabric or the textile is elastic in a first direction and is substantially inelastic in a second direction different from the first direction or wherein the fabric or the textile is elastic both in the first direction and in the second direction and wherein openings, the size of which can be controlled according to the elasticity of the fabric, are formed in the fabric or textile when the textile is stretched in the direction in which said textile is elastic.
