## How do you calculate vertical illuminance?

This Vertical Illuminance and Horizontal Light Measurement can be withdrawn and calculated via lighting software, such as DIALux. Ev (Illuminance) = (1/d2)* sin y (gamma). This is the most standard equation. Here is the angle between the lighting system and the vertically illuminated surface.

## What is AGi32 used for?

AGi32 is a simulation tool used for designing lighting projects and calculating the amount of light that will be delivered based on user-set parameters.

**How do you calculate glare in AGi32?**

The Glare Rating calculation does not take reflective or obstructive entities around or within the GR grid into account. Lvl = Veiling luminance on the eye produced by the luminaires for one point. i = the current luminaire being considered….

Glare Control Mark GF | Glare Rating GR | |
---|---|---|

7 | Noticeable | 30 |

8 | 20 | |

9 | Unnoticeable | 10 |

**How do you measure vertical footcandles?**

Footcandles and lux are quite similar; one lux equals one lumen per square meter. If you have a lux light intensity measurement, simply divide it by 10.76 to solve for footcandles.

### What is vertical illuminance?

Vertical Illuminace is the amount of light falling on a vertical surface or plane. In the conference room below, the projection screen surface was chosen as the verical surface. Vertical Illuminance on the projection screen in a Conference Room with electric lighting.

### What is Ugr in lighting?

UGR (Unified Glare Rating) is a metric that is used to calculate level of glare in certain applications. Standards have been set for specific working environments to ensure the UGR is at the correct level for the room and doesn’t interfere with general productivity.

**What is horizontal and vertical illuminance?**

The horizontal measurement is known as the horizontal illuminance and is the amount of light that lands on a horizontal surface, such as a tabletop. The vertical measurement is know as the vertical illuminance and is the amount of light that lands on a vertical surface, such as a wall.

**How does AGi32 work?**

Each calculation point represents the placement of a “virtual” light meter measuring the required results. AGi32 allows you to calculate numerous different metrics; Illuminance, Luminance (diffuse), Exitance, Daylight Factor, Unified Glare Rating (UGR), Roadway Luminance, Veiling Luminance, Small Target Visibility (STV) and Glare Rating (GR).

#### Which light trespass and pollution calculations does AGi32 support?

AGi32 supports all of the calculations required for the various international methods for control of light trespass and pollution. These include: the Performance Method of the Model Lighting Ordinance (MLO), LEED SSc6, CIE-150 and AS-4282.

#### How to place calculation points on irregular surfaces in AGi32?

In fact, using the Automatic Placement command is the method of choice when placing calculation points on irregular surfaces. AGi32 can utilize a variety of techniques, such as polygons, grids, lines and single point specification to place calculation points anywhere in 3-dimensional space.

**Is the AGi32 tm-12-12 valid for exterior environments?**

The AGi32 implementation of TM-12-12 is valid for exterior environments such as parking areas and residential streets, where speeds are less than 25 mph (40 kph). This is due to the nature of the visual task. The effect of spectrum on vision at mesopic light levels is in off-axis and peripheral vision,…