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DIALux evo 5.13.2.4, issued by DIAL GmbH, is a professional lighting-design application that enables architects, lighting engineers, and planners to model, calculate, and visualize illumination schemes for interiors, façades, streets, landscapes, and emergency systems while simultaneously evaluating daylight contributions. The program combines CAD-style geometry tools with physically-based ray-tracing engines, radiosity solvers, and norm-compliant calculation kernels that generate illuminance, luminance, glare, and energy reports aligned with CEN, IES, and local standards. Typical workflows begin with import of 2-D drawings or 3-D BIM models—DWG, DXF, IFC, SKP, OBJ, and 3DS formats are accepted—after which users assign materials, reflectance values, and luminaire data drawn from an online database containing more than 200 manufacturers’ photometric files. Interactive rendering previews allow real-time assessment of brightness, uniformity, and color temperature, while false-color maps, isolines, and ray diagrams document compliance for client presentations and authority submissions. Roadway projects benefit from dedicated street-lighting routines that compute luminance, veiling luminance, and TI glare in accordance with CIE 140/EN 13201, whereas emergency modules verify escape-route illuminance and open-area anti-panic requirements against EN 1838. Daylight simulations integrate sun positions, sky models, and climatic data to establish daylight factors, daylight autonomy, and potential energy savings. Since its introduction, DIALux evo has become the worldwide reference within the lighting-design category, supplanting earlier DIALux 4 versions through a unified interface capable of handling everything from a single room to an entire city district within one project file. The software is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version and supporting batch installation of multiple applications.
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