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Drawing

From the sketch to the mood board through to the technical drawing

The graphic methods employed extend from simple sketches to detailed and elaborate processes. The more elaborate the method used, the more accurate is the representation of the illuminated environment and the lighting effects. Perspective room representations include the positioning of the lighting equipment in the room.

In the simplest case, lighting effects can be shown in a graphic format by light beams designed either as contours, as coloured surfaces or in grey tones contrasting with the background. Drawings that show light beams using light, coloured pencils or chalk on a dark background achieve an intense luminosity and are particularly useful for representing outdoor lighting at night. When visualising an overall concept, a deliberately simplified sketch can demonstrate the lighting effects produced more effectively than an allegedly realistic representation with artificially scaled brightness ratios.

Using rough sketches for visualisation, the story board acts as a creative script detailing the spatial and temporal progression of the lighting effects. It is an effective tool in scenographic lighting design to look at the dynamic processes in the building. These processes result from aspects such as the spatial progression encountered as you walk through the building, but also from the time dimension experienced in a room throughout the course of a day.

The mood board is a collection of pictures, sketches, materials, colours, and terms to describe emotions. Where different moods are required as special effects in a room, parallel collages with diverse themes can be used to underline the statements on contrasts and colours for the different light scenes. While the mood board initially focuses on a broad collection of pictures, the process of evaluation and concentration is more analytical.

Technical drawing

Technical drawing

Technical drawings provide exact information on the type and positioning of the luminaires used in the ceiling plan and the sectional drawing. For spotlights, for example, the drawing can also specify the alignment of the luminaires. For a better overview, a table can be used to list all the luminaires with their symbols and features. The electrical designers also require details on circuits, switches, push-buttons and protection modes.

Diagram

Diagram

Diagrams can be used to document aspects such as the illuminance or luminance distribution in a room. In the Isolux diagrams, contours indicate the same illuminances, while the contours in Iso-candela diagrams specify the luminances.

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