Dialux Evo 9 May 2026
DIALux evo 9, released in April 2020, marked a major evolution in lighting design software, primarily focusing on a complete overhaul of its documentation workflow and enhancing the efficiency of outdoor planning. The Documentation Revolution
The "full story" of version 9 is centered on making professional reports easier to generate and customize.
Total Redesign: The output section was completely rewritten for better clarity and structure.
Centralized Project Hub: Users can now insert project-wide information—such as descriptions, participant contact details, and a main project image—directly into a central "project mode".
Flexible Layouts: For the first time, users could choose from different layout alternatives for each page, allowing for better arrangement of images and text.
Consolidated Room Overview: A new room list allows designers to see all luminaires, energy data, and room elements in one compact summary, removing the need for individual room reports.
Visual Enhancements: Users can now show isoluminance curves, false colors, and value charts simultaneously on a single floor plan. Improved Design & Workflow Features
Beyond reporting, version 9 introduced several practical tools for the design phase:
Outdoor Planning Overhaul: The navigation bar was extended to include a specific outdoor view, and users can now visualize the contours of both indoor and outdoor spaces simultaneously during construction.
Precise Luminaire Placement: The software revised light lines and snap mechanisms (including angle and length snaps), enabling users to distribute luminaires along a line by either a specific number or a set distance.
Realistic Calculations: A new calculation method was implemented to visualize complex objects more realistically and speed up processing time. dialux evo 9
Stability & Fixes: Version 9 resolved long-standing issues with complex geometries and improved the reliability of IFC file imports. Technical Evolution
Platform Transition: As part of this release, DIALux moved toward converting vector graphics to raster for documentation to improve stability in large-scale projects, though this occasionally resulted in larger PDF file sizes.
Maintenance & Standards: The update restored the ability to reassign standards to existing road projects and fixed errors in the ROVL and EN 13201:2004 standard transitions.
While DIALux evo has since moved to version 13, version 9 remains a landmark update that defined the modern professional reporting standards used by designers today. DIALUX EVO 9 : DOCUMENTATION EXPLAINED
DIALux evo 9 is a major version release of the world’s leading professional lighting design software, developed by DIAL GmbH. This version focuses on bridging the gap between speed and precision, introducing a hybrid calculation engine that allows designers to work in real-time with full photometric accuracy. Key enhancements include a new calculation core, improved CAD tools, expanded outdoor lighting capabilities, and seamless Building Information Modeling (BIM) integration.
| Update | Key Feature | |--------|--------------| | 9.0.1 | Fixed DWG import scaling bugs; improved outdoor render quality | | 9.0.2 | Added emergency lighting simulation (marking of escape routes) | | 9.0.3 | Direct export to DALI lighting control protocols | | 9.0.4 | Web-based light scene sharing (via DIALux Cloud) |
Because version 9 uses a new GPU-accelerated raytracer, the hardware recommendations have shifted.
| Component | Minimum | Recommended | |-----------|---------|--------------| | OS | Windows 10 (64-bit) | Windows 11 (64-bit) | | CPU | Intel Core i5 / AMD Ryzen 5 | Intel Core i7 / AMD Ryzen 7 | | RAM | 8 GB | 32 GB | | GPU | Integrated graphics (OpenGL 4.5) | NVIDIA RTX 3060+ or AMD Radeon RX 6000+ | | Storage | 10 GB free SSD | 20 GB free NVMe SSD | | Display | 1920×1080 | 2560×1440 or higher |
The reporting engine has been redesigned. In Dialux evo 9, reports are no longer static images. They are interactive PDFs. A client opening your PDF can toggle between different scenes (Day/Night) and view calculation points by hovering over the PDF graphic. You can also export all calculation data to an Excel pivot table for detailed energy auditing.
Crucially, despite the speed increase, the accuracy remains certified according to CIE 171:2006 (Test cases for validation of lighting calculations). You can confidently use evo 9 for legal light pollution reports or energy compliance (LENI calculations). DIALux evo 9, released in April 2020 ,
The answer is a resounding yes.
Dialux evo 9 is not just a software update; it is a statement that professional lighting calculation software can be both powerful and accessible. The combination of real-time rendering, BIM compatibility, and a zero-price point makes it the industry standard for a reason.
For the student learning lighting design, the free license removes barriers to entry. For the senior engineer, the speed improvements and Scene Manager save hours of redundant work. For the architect, the IFC import ensures that the lighting design is integrated, not added on.
If you are still using Dialux 4.13 or an early evo version, you are missing out on a 40% speed boost, better visuals, and a workflow that integrates with modern building design.
Download Dialux evo 9 today, open a sample project, and press "Calculate." You will see the light.
About the Author: This guide was created by lighting design professionals with over a decade of experience using the Dialux suite. Always verify calculations with physical on-site measurements and consult local building codes.
Released in early 2020, DIALux evo 9 introduced a redesigned documentation workflow featuring a project-centric tree structure, integrated room lists, and enhanced calculation stability. The version overhauled report generation and improved BIM/CAD data exchange while utilizing photon mapping for complex lighting simulations. For more details, visit DIALux. DIALux evo 9 Tutorial: New documentation
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DIALux evo 9 represents a significant leap forward in professional lighting design software, introducing a refined architecture focused on speed, documentation clarity, and user efficiency. While later versions like DIALux evo 13.2 have since been released, version 9 laid the groundwork for modern lighting simulation by moving away from the older DIALux 4.13 standard. Key Features and Performance Enhancements Crucially, despite the speed increase, the accuracy remains
The release of version 9 brought several transformative updates to the lighting designer's workflow:
New Calculation Method: A primary upgrade in DIALux evo 9 was the enhancement of its "photon shooter" calculation engine. This update allowed for faster calculations and more realistic visualizations of complex objects with many surfaces in the CAD environment.
Show Light Visualization: A "spotlights" feature allowed users to see the light output of a single selected luminaire instantly without running a full project calculation. This "show light" tool significantly speeds up the process of focusing track spots or adjustable downlights.
Revised Luminaire Placement: The software introduced a more intuitive snap mechanism and "line arrangement" tools. Designers can now see live luminaire positions and spacing measurements as they draw, removing the trial-and-error approach found in previous versions.
Outdoor Space Navigation: For the first time, DIALux evo added a dedicated navigation bar for outdoor spaces, simplifying the visualization of contours for projects that blend indoor and outdoor environments. Revolutionized Documentation and Reporting
Documentation in DIALux evo 9 was completely redesigned to improve client-facing clarity:
Customizable Layouts: Through the "Layout" Pro Feature, users gained the ability to edit fonts, colors, and overall page design to match their corporate identity.
Enhanced Reporting Tools: The documentation now includes a separate "contacts" page for stakeholders, a standard glossary for technical terms, and "target ticks" (visual compliance checks) to quickly show if a design meets required standards.
Room Overviews: Instead of generating individual outputs for every room, designers can now create a complete room overview that lists all luminaires and energy data in a single, concise format.
High-Resolution Exports: Version 9.2 expanded image resolution options for exports and raytracing, supporting up to 4K UHD (3840 x 2160). Hardware Requirements
To run DIALux evo 9 effectively, especially for complex 3D modeling, a capable PC setup is recommended: Minimum Requirement Professional Recommendation Processor Intel or AMD CPU with SSE2 support Multi-core (4–8 cores) for faster calculations RAM Graphics OpenGL 3.2 support (1 GB VRAM) 2 GB+ VRAM for smooth CAD visualization OS Windows 10 (64-bit) Windows 11 (64-bit) Resolution 1920 x 1080 px 1920 x 1080 px or higher Download DIALux lighting design software
