, which was the final and most stable version of the original DIALux "4" generation before the software shifted entirely to DIALux evo DIALux Community
DIALux is the global standard for professional lighting design, used by over 750,000 specialists to plan, calculate, and visualize light for indoor and outdoor spaces. 🛠️ The Legacy: DIALux 4.13
For many years, version 4.13 was the industry workhorse. Although DIAL no longer officially supports it, it remains a favorite for specific niche tasks. DIALux Community Room-Based Planning:
Designed for calculating lighting in single rooms rather than whole buildings. Sports & Tunnel Lighting:
Historically preferred for complex sports fields and tunnel calculations, though these are now being integrated into the newer Simpler Interface:
A more "classic" Windows-style interface that runs on 32-bit architecture. Limitations:
It cannot handle modern Building Information Modeling (BIM) workflows and uses outdated calculation standards. DIALux Community 🚀 The Modern Standard: DIALux evo 13 The current software, DIALux evo 13.2 , is a complete overhaul built on a modern graphics engine. Key Features of the Latest Version: DIALux Version 4.9 - R. STAHL
Here’s a draft text about “Dialux 314.” Since the exact context of “314” is not standard in the official DIALux software lineup (which includes DIALux 4, DIALux evo, and DIALux 12), the text is written as an explanatory piece for a hypothetical version, model, or code.
Introducing DIALux 314: Precision Lighting for Complex Environments
The DIALux 314 is not just another iteration of lighting design software—it represents a specialized toolset for professionals who demand precision in mid-to-large-scale projects. While DIALux evo remains the standard for architectural lighting, the “314” designation refers to a legacy module or an advanced calculation engine focused on high-detail indoor environments and industrial lighting layouts.
Key features of the DIALux 314 workflow include:
Who is it for? Lighting designers, electrical engineers, and facility planners working on retrofits, parking structures, or production halls—where standard office lighting templates fall short.
Note: For current projects, DIALux recommends using DIALux evo for full BIM integration. However, the DIALux 314 workflow remains a trusted reference in training manuals and legacy system documentation.
While there is no version officially named "DIALux 314," you are likely referring to DIALux evo 14
, the latest major release (as of April 2026). A standout feature for professional planners in this version is the Room-by-Room Calculation method. Key Feature: Room-by-Room Calculation
This feature is a game-changer for efficiency in large-scale projects. Instead of requiring a complete project recalculation every time you move a single luminaire, DIALux evo 14 allows you to calculate spaces independently.
Faster Iterations: You can modify the lighting in one specific room and recalculate just that area, rather than waiting for the entire building model to process.
Reduced Planning Time: It eliminates the constant interruptions and long wait times associated with time-consuming overall calculations.
Independent Status Tracking: New status icons in the results monitor immediately show which rooms are calculated, uncalculated, or outdated. Other Notable Features in Recent Versions
If you are upgrading from an older version, these recent additions also significantly improve workflow:
Scope Box View (evo 14): Automatically hides geometry outside a specific room boundary to reduce visual clutter from cables, technical installations, or components in adjacent rooms.
Nuisance Light Calculations (evo 13): A specialized light scene for calculating obtrusive light (light pollution), essential for outdoor projects and environmental compliance like EN 12464-2. dialux 314
Open BIM/IFC Import: Allows you to import 3D building models directly to start design work without manual construction.
Pro Export Options: Users with a Pro subscription can export results directly to PowerPoint, Word, and Excel to streamline documentation and client presentations.
You can download the latest version directly from the DIALux website.
Dialux 314 was not a planet; it was a sentence.
Located in the Vesper Sector, Dialux 314 was a rogue celestial body caught in the gravity well of a dying red dwarf. For centuries, it was ignored by the cartographers of the Galactic Concordance. It had no atmosphere to speak of, just a thin, toxic haze of sulfur and methane that clung to the jagged iron surface. It was a rock. A cold, desolate, unremarkable rock.
That was until the Salvage Frigate Rust-Bucket dropped out of hyperspace, limping on a failing hyperdrive.
Captain Elias Thorne stood on the bridge, staring at the holographic readout of the planet below. It was an ugly, bruised purple on the sensors.
"Gravitational anomalies detected, Captain," said Kael, the ship’s android pilot. His optical sensors whirred as they adjusted to the dim light. "The pull from the red dwarf is... irregular. It’s pulsing."
"Put it on screen," Thorne ordered.
The view screen zoomed in on the surface of Dialux 314. It wasn't just rock. There were lines. Geometric, perfect lines cutting across the surface, glowing with a faint, sickly bioluminescence.
"Ruins?" Thorne asked, leaning forward. Ancient alien tech was the holy grail of salvage. It could pay off the Rust-Bucket’s debts ten times over.
"Possibly," Kael replied. "But the energy signature doesn't match known archaeotech. It’s... older. And it’s active."
Thorne made the call. They had to land. The hyperdrive needed a coolant flush, and the magnetic storms raging on the surface suggested there were minerals down below that could jury-rig a repair.
The descent was violent. The shuttle shook as it pierced the cloud layer, the atmosphere screaming against the hull. When the dust settled, the ramp hissed open, revealing the landscape of Dialux 314.
It was a graveyard of ships.
Thorne froze. As far as the eye could see, the iron plains were littered with wreckage. Cruisers, fighters, cargo haulers—vessels from a dozen different star-faring races, all half-buried in the grey dust. Some were centuries old, rusted into unrecognizable hulks. Others looked fresh, their running lights still blinking in the gloom.
"Gods help us," Thorne whispered. "This isn't a planet. It's a trap."
"The signal," Kael said, his voice dropping an octave, a sign of his processors working overtime. "It’s a siren song. A localized navigational error. It pulls ships out of hyperspace and crashes them here."
"Can you block it?"
"I am attempting to. But the source is deep. Approximately three kilometers beneath the crust."
They moved quickly. The silence of the planet was heavier than the gravity. There were no bodies, Thorne noticed. Just empty ships. Stripped clean. As they walked, Thorne noticed the ground beneath his boots wasn't rock. It was metal. A solid, planetary-scale hull. , which was the final and most stable
Dialux 314 wasn't a planet. It was a machine.
They reached the mouth of a cave—or what looked like a ventilation shaft. A low, resonant thrumming vibrated through their boots.
"Captain," Kael warned. "I am detecting a massive energy spike. We are not alone."
From the shadows of the ship graveyard, shapes began to detach themselves. They were small, skittering things, made of obsidian and wire. Scavengers. Not biological, but mechanical spiders, tiny maintenance drones that had long ago run out of protocol and turned to piracy.
"We need to move," Thorne yelled, unholstering his plasma cutter.
They sprinted into the tunnel, the skittering horde closing in behind them. The tunnel descended rapidly, the walls smoothing out from rough rock to polished chrome. The air grew hot, smelling of ozone and ancient dust.
They burst into a massive chamber. In the center stood a monolith—a towering spire of black crystal, pulsing with the same sickly light they had seen from orbit. It was the heart of the trap. The gravitational disruptor.
"That's it," Thorne gasped. "That's the well."
"The coolant we need is present," Kael said, pointing to a reservoir of glowing blue liquid at the base of the monolith. "But removing it will destabilize the core. The entire construct—this planet—will collapse."
The skittering drones were pouring into the room now, their metallic legs clicking like thunder.
"Fill the tanks," Thorne ordered, checking the charge on his cutter. "I'll hold them off."
"Captain, the probability of survival is—"
"I didn't ask for odds, Kael. Get the coolant."
Thorne fired. Blue plasma arcs sliced through the first wave of drones, sending sparks showering across the chrome floor. But there were hundreds of them, pouring from vents in the ceiling, a tide of jagged metal.
Kael worked frantically at the reservoir. The fluid was thick, super-cooled plasma. As he siphoned it, the pulsing of the black monolith faltered. The ground began to crack. The scream of tearing
The following story reimagines this technical assignment as a high-stakes professional challenge for an aspiring lighting designer.
The clock on the wall of the Centennial College lab ticked toward midnight. For Elena, a junior in the EET 314 program, the blue glow of her monitor was the only light that mattered. On her screen, a complex CAD floor plan of a modern office building sat waiting for its soul—the light.
"Alright, DIALux," she whispered, her fingers hovering over the mouse. "Let's see if we can make this work."
The assignment for Lab 4 was daunting. She had to take a cold, digital skeleton of an office and transform it into a functional, inviting workspace. It wasn't just about making it bright; it was about the science of the "U0"—the uniformity of light that kept workers from getting headaches and ensured safety in every corner.
She began by tracing the rooms. With a steady hand, she defined the outer contours of the building, her cursor snapping to the lines of the AutoCAD import. Next came the windows and doors—the "apertures" that would let the virtual sun spill across the desks.
"Now for the heavy hitters," she muttered, opening the luminaire catalogue. Advanced Zonal Calculation: Optimized for rooms with complex
She wasn't just picking lamps; she was selecting precision instruments from manufacturers like WE-EF and OSRAM. She chose a series of recessed LED panels, dragging them into a grid across the open-plan office. As she placed the final fixture, she hit the 'Calculate' button.
The software whirred. On the screen, a "pseudo-colour" map bloomed into existence. Deep blues and purples showed where the light was too dim, while harsh reds warned of glare.
"Too much contrast," she noted, spotting a dark patch near the conference table.
She dove back in, creating a new light group to give the meeting area its own dimmable circuit. She adjusted the mounting heights, shifted a few rows of fixtures, and reran the simulation. This time, the map settled into a harmonious green and yellow—the signature of perfect uniformity.
With the 3D rendering complete, Elena initiated the raytrace. The wireframe vanished, replaced by a photorealistic image of the office. The light caught the edge of the glass partitions and softened against the carpet. It looked real. It looked like a place where people could actually think.
She generated the final report—the 314th file she’d saved this semester—and watched the PDF compile. Lab 4 was done. As she stepped out of the lab into the cool night air, the streetlamps outside flickered on. She looked up at them, not just as lights, but as a series of calculated beam angles and lumens.
She wasn't just a student anymore; she was starting to see the world in high definition. Key Elements of the Story
The Setting: A college computer lab during the EET 314 course, specifically focusing on Lab 4: Office Layout.
The Tool: DIALux Evo, professional lighting design software used for calculating light uniformity (U0) and visualizing indoor scenes.
The Process: Importing AutoCAD drawings, placing luminaires from major manufacturers, and generating technical reports.
If you are working on this specific lab assignment, I can help you with: Steps for importing CAD files into DIALux How to achieve optimal uniformity for office spaces Configuring luminaire groups for your final report
The lighting industry moves fast. With the advent of LiFi (Light Fidelity) and Human Centric Lighting (HCL), you might wonder if Dialux 314 is the final frontier. Dialux GmbH has announced that version "314" architecture will support updates until at least 2026. Future versions (likely Build 400+) will focus on:
For now, Dialux 314 remains the most robust, free, and accurate lighting design tool available.
If you are considering downloading an older version like 4.13 to avoid the learning curve of the new "evo" software, here are the trade-offs you need to know.
Yes. Unless you rely heavily on nightly PDF batch exports (where the current bug slows you down), the speed gains in calculation and CAD import/export outweigh the minor inconveniences.
The term "Dialux 314" is more than just a version number; it represents the software's maturation into a truly modern BIM (Building Information Modeling) tool. It respects your GPU, respects your time with smart snapping, and finally handles emergency escape routes with mechanical precision.
Action Step: Backup your existing .dli project files. Uninstall your old version. Download build 4.13.314 from the official website. Spend one hour re-learning the photometric viewer—it will save you ten hours of manual reporting next month.
Have you encountered a unique bug or a hidden gem in Dialux 314? Let us know in the comments below. For more tutorials on lighting simulation, subscribe to our monthly engineering newsletter.
Note: Since "314" is not an official version number of DIALux (the latest major versions are 4, evo, and 12), this post interprets "314" as a creative typo or internal project code for DIALux 3.14—a nostalgic look back at the classic version that many engineers still use for specific tasks.
Use DIALux evo if you are doing architectural visualization, daylight simulation, or presenting to clients with renderings.
Keep DIALux 314 if you are maintaining an existing factory or road lighting design, or if you need to recalculate a 10-year-old project without changing a single lux value.