106 TECHNOLOGY / DESIGN SOFTWARE THE SOFT APPROACH
As computers become quicker and programmes become smarter, the use of software-based tools are becoming a viable addition to the lighting designer’s natural instincts. We showcase some of the most popular and discover what the latest versions have on offer.
DIALux 4.9 DIAL
One of the major benefits to version 4.9 of DIALux is the inclusion of gbXML (Green Building eXtended Markup Language) Imports. A large share of the work involved in light planning is taken up by recreating structures inside the DIALux programme despite the fact that they are already available in another CAD format. DIALux’s DWG/DXF Import does simplify this time-consuming step already but open standard intelligent 3D building models (BIM “building information models“) now offer huge benefits - directly transferring the geometry created by an architect for application in the further planning of all other aspects of the building reducing both time and the risk of falsely imputing data. DIALux now supports this open standar. With the aid of the gbXML data format, the planner can import specific building information from CAD programmes (e.g. AutoCAD, Nemtschek, Graphisoft). If a project has several rooms or storeys, then all the rooms are presented clearly in the DIALux project structure – and if required, furniture, textures and colours can then be added to aid with planning.
For many years DIALux has included a tool to allow the comparison of a large number of different street lighting solutions – with particular focus on energy saving option.
With Street Optimizer, the planner can compare different products (or settings such as reflector positions) to assess the maximum interval between the light sources, as well as assess pole height and angle. Within seconds DIALux can display the optimal layout and the optimal type of product, selected from thousands of alternatives. Because of the complete difference in planning approaches in the USA and Europe, all this was only possible while simultaneously taking into account
CIE 140 / EN13201. In DIALux 4.9 the previous functions have been fully enhanced to enable optimal fulfilment of the US American regulations. DIALux is now also able to calculate the appropriate values relating to different national codes, be it the IEQ-7 Electric Lighting Levels in Australia, Lighting Guide 7 and Lighting Guide 12 in the United Kingdom, the Código Técnico de la Edificatión in Spain or the German ENEV with DIN V 18599.
www.dial.de
AGi32 V2.2 Lighting Analysts
With many new or revised features developed from frequent customer re- quests, AGi32 version 2.2 aims to improve workflow and provide designers with new solutions to age-old problems. New features include ‘Snap To’ settings – set on as default and appling to almost all commands. Also new is the ‘Obtrusive Light’ command. Designers who have been searching for a way to quantify
objectionable spill light and/or glare from an exterior site can now find the answers in the use of criteria developed by the CIE and used globally in the form of docu- ments CIE-150 and Australian Standard AS-4282. Both documents specify stray light in terms of vertical illuminance and maximum luminous intensity at a point in a sensitive location. AGi32 assembles all of these calculations into a very neat package with a Compliance Report to summarise the pass or fail nature of the lighting system. It’s not easy to array luminaire locations along a line of any shape and include an
offset from that line. V2.2’s ‘New Ar- ray’ command facilitates easy luminaire placement along irregular roads and paths while maintaining a set spacing. The ‘Cal- culation Points – Line’ command provides new options for vertical illuminance along the line or perpendicular to the line and multi-directional array capability. A new interactive lightmeter orientation vector appears, allowing the lightmeter to be easily flipped in the opposite direction during creation.
www.agi32.com
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