GITNUXSOFTWARE ADVICE
Business FinanceTop 10 Best Photometric Software of 2026
Top 10 photometric software ranking with feature comparisons for lighting designers, including Radiance, LightStanza, and ReluxDesktop.
How we ranked these tools
Core product claims cross-referenced against official documentation, changelogs, and independent technical reviews.
Analyzed video reviews and hundreds of written evaluations to capture real-world user experiences with each tool.
AI persona simulations modeled how different user types would experience each tool across common use cases and workflows.
Final rankings reviewed and approved by our editorial team with authority to override AI-generated scores based on domain expertise.
Score: Features 40% · Ease 30% · Value 30%
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Radiance is the best pick if your team needs repeatable metric outputs from controlled photometric and daylight scenes, whereas LightStanza fits when design teams want fast daylight studies with certification-ready documentation from shared building models.
Editor’s top 3 picks
Three quick recommendations before you dive into the full comparison below — each one leads on a different dimension.
Radiance
Point-by-point calculation that drives both quantitative illuminance mapping and visual false-color validation in one workflow.
Built for fits when teams need repeatable metric outputs from controlled photometric and daylight scenes..
LightStanza
Editor pickInteractive daylight studies connect imported building geometry, visual result maps, and standards reports in one browser workflow.
Built for fits when design teams need fast daylight studies, visual feedback, and certification documentation from shared building models..
ReluxDesktop
Editor pickBuilt-in isolux and false-color rendering tied to each calculation run for rapid design iteration.
Built for fits when lighting analysts need consistent desktop photometric studies from IES inputs..
Related reading
Comparison Table
Radiance
enterpriseOpen-source validated ray-tracing lighting simulation engine for illuminance, luminance, and daylight analysis.
Point-by-point calculation that drives both quantitative illuminance mapping and visual false-color validation in one workflow.
Radiance uses the Radiance rendering toolchain style workflow where scenes, materials, geometry, and light sources produce quantitative lighting metrics for later interpretation. It supports point-by-point calculation and can generate outputs like isolux diagrams and false-color rendering to support lighting standards compliance checks. It also fits teams that manage lighting libraries and repeatedly run the same scenario with different luminaire configurations.
A key tradeoff is that Radiance workflows typically require tighter setup discipline than simpler GUI-centric tools, especially when scene definitions, units, and lighting parameters must stay consistent across runs. It fits best when iterative analysis matters, such as daylight coefficient studies or electric lighting comparisons where small input changes must map cleanly to changes in illuminance or luminance.
- +Point-by-point illuminance and luminance outputs support metric-driven decisions
- +Accepts luminaire photometry via IES and EULUMDAT for candela distribution inputs
- +False-color rendering and isolux diagrams make quantitative results reviewable
- +Daylight analysis workflows support electric and daylight mixed studies
- –Scene and parameter setup takes more discipline than click-to-run lighting tools
- –Limited built-in guidance for UGR evaluation compared with glare-focused niche tools
- –Automation requires scripting comfort for repeatable batch runs
- –Lack of native CAD authoring can add steps when starting from BIM models
Lighting engineers and analysts
Compare multiple luminaire layouts
Faster layout decision cycles
Daylight study teams
Validate daylight coefficient assumptions
More defensible daylight outcomes
Show 2 more scenarios
Specification and compliance groups
Support lighting standards checks
Clear evidence for reviews
Produce falsified-color and isolux outputs for targeted review of uniformity ratio areas.
BIM-to-analysis pipeline owners
Translate IFC scene lighting
Reduced manual rework
Import model geometry into Radiance workflow and re-run metrics after design edits.
Best for: Fits when teams need repeatable metric outputs from controlled photometric and daylight scenes.
More related reading
LightStanza
cloudCloud-based lighting analysis software for architectural spaces and daylight studies.
Interactive daylight studies connect imported building geometry, visual result maps, and standards reports in one browser workflow.
Architects, sustainability consultants, and façade designers can use LightStanza to test daylight conditions without building a separate simulation workflow. Model imports, interactive false-color views, grid-based results, and project reports connect design iterations to measurable outcomes. Support for common BIM and 3D modeling workflows reduces repeated geometry preparation.
The main tradeoff is scope. LightStanza centers on daylight analysis and does not replace specialist software for detailed luminaire layouts, candela distributions, or complete electric-lighting documentation. It fits projects where teams need quick daylight studies during concept and schematic design, especially for certification or internal design reviews.
- +Browser-based workflow avoids workstation-specific simulation setup
- +Interactive 3D results support rapid design comparisons
- +Imports geometry from common BIM and modeling applications
- +Generates standards-oriented daylight reports for project documentation
- –Daylight focus leaves detailed electric-lighting design outside its scope
- –Complex models may require careful geometry cleanup before analysis
- –Advanced users have less control than specialist simulation engines
- –Results depend on accurate materials, schedules, and sky conditions
Architectural design teams
Compare façade and shading options
Earlier daylight-informed design decisions
Sustainability consultants
Prepare certification daylight documentation
Faster documentation cycles
Show 2 more scenarios
Façade engineers
Evaluate shading performance
Better shading decisions
Engineers compare external shading configurations against seasonal solar exposure and interior daylight targets.
Real estate developers
Assess early building concepts
Lower early-stage design risk
Development teams compare massing and orientation scenarios before commissioning detailed specialist studies.
Best for: Fits when design teams need fast daylight studies, visual feedback, and certification documentation from shared building models.
ReluxDesktop
enterpriseLighting calculation software for indoor, outdoor, daylight, and emergency lighting projects.
Built-in isolux and false-color rendering tied to each calculation run for rapid design iteration.
ReluxDesktop is designed for iterative lighting studies where luminaire photometry feeds calculations and the user needs fast visual feedback on illuminance and luminance outputs. The software supports standard photometric input formats such as IES and EULUMDAT and can produce diagrams used for review packages. Its project-centric workflow fits teams that reuse geometry and luminaire sets across many variations.
A common tradeoff is that automation depth is stronger inside the desktop workflow than through external integrations. ReluxDesktop fits situations where designers or lighting analysts need reliable in-application consistency for calculations and presentation rather than headless batch processing for a larger engineering pipeline.
- +Strong luminaire photometry import for IES and EULUMDAT workflows
- +Point-by-point outputs that support detailed spatial QA review cycles
- +Visualization outputs like isolux and false-color renderings for stakeholder checks
- +Project templates support repeat studies with consistent settings
- –Automation relies on project workflow rather than a documented public API
- –External pipeline integration needs manual handoffs in many setups
- –Complex multi-case batch runs can be slower than headless engines
- –Advanced governance controls for large organizations are limited
Lighting designers
Iterate luminaire layouts with IES photometry
Faster design iteration cycles
Lighting specification engineers
Prepare review diagrams for stakeholders
Cleaner review packages
Show 2 more scenarios
Daylight and electric teams
Compare daylight and electric lighting scenarios
Clearer design tradeoffs
Supports scenario-based studies that separate electric and daylight impacts in one workflow.
Midsize design firms
Reuse geometry and settings across projects
Reduced setup time
Project templates help standardize calculation setups across recurring jobs.
Best for: Fits when lighting analysts need consistent desktop photometric studies from IES inputs.
Visual Lighting
enterpriseLighting design software for photometric calculations, layouts, schedules, and documentation.
Point-by-point calculation outputs paired with false-color rendering for rapid photometric design review.
Visual Lighting focuses on photometric workflows for lighting design analysis with luminaire candela distribution inputs from common photometry file formats. It supports point-by-point illuminance workflows and scene-based rendering outputs such as false-color views and isolux-style results for design review.
The application is geared toward model-to-analysis iteration where geometry and light distribution are repeatedly combined to evaluate lighting performance in context. Visual Lighting is distinct for handling photometric datasets and delivering design visuals as part of a calculation-driven loop.
- +Works directly from luminaire photometry inputs to drive calculations
- +Produces point-by-point lighting outputs suitable for design iteration
- +Renders false-color results for quick visual inspection of light levels
- +Shows isolux-style diagrams to support layout and aiming decisions
- –Automation and API surface for external pipeline integration are not evident
- –Daylight analysis workflows are thin compared with BIM-first tools
- –Large scene throughput can lag when geometry complexity increases
- –Standards compliance outputs for UGR-style workflows feel limited
Best for: Fits when lighting teams need repeatable photometry-based calculations with visual outputs, without heavy BIM governance.
AGi32
vertical specialistPhotometric calculation and lighting design software for interior, exterior, and roadway applications.
Radiosity method for interior illuminance prediction using lighting design grids and metric outputs.
AGi32 performs point-by-point illuminance calculation and daylight or electric lighting evaluation for lighting design work. The workflow centers on luminaire photometry import, grid or point layouts, and metrics like illuminance, uniformity ratio, and glare-related outputs.
It supports radiosity method calculations for interior bounce modeling and generates graphical deliverables such as isolux-style outputs and false-color rendering. AGi32 is most distinct for engineering-style iteration speed across scenarios using repeatable input datasets and consistent calculation settings.
- +Point-by-point calculation workflows align with standard lighting design checks
- +Radiosity method supports interior light bounce modeling without external renderers
- +Produces metric-ready outputs for uniformity and glare-style assessments
- +Consistent scenario inputs make regression comparisons practical across iterations
- –Scene setup depends on disciplined geometry and measurement layout definitions
- –Limited native BIM automation compared with CAD-to-calculation pipelines
- –Does not match ray-tracing simulation granularity for complex optics workflows
- –Automation and API access are not the primary focus versus desktop-driven runs
Best for: Fits when lighting teams need repeatable point-grid calculations and interior bounce modeling.
DIALux evo
enterpriseLighting design software for calculating illuminance, glare, energy use, and documentation.
Integrated electric lighting and daylight study workflow in one environment, producing analysis visuals and standards metrics from the same model.
DIALux evo supports lighting design workflows across electric lighting calculations and daylight studies, with emphasis on point-by-point results and standard output artifacts. The tool handles luminaire photometry inputs such as EULUMDAT and IES, then generates outputs like isolux diagrams and false-color views for analysis and review.
DIALux evo also focuses on lighting standards compliance reporting for common metrics like illuminance uniformity and glare evaluation, which streamlines review cycles. CAD and BIM interoperability is geared toward getting geometry into the calculation workflow rather than acting as a full scene-authoring system.
- +Point-by-point calculation outputs support detailed room-by-room verification.
- +Direct support for common luminaire photometry formats like IES and EULUMDAT.
- +Glare and uniformity metrics align with typical lighting standard checks.
- +Daylight and electric lighting studies can share a consistent analysis workflow.
- –Automation and API-driven provisioning are limited compared with software built for integration.
- –Advanced geometry preparation depends on clean CAD or BIM inputs for stable results.
- –Large project throughput can be constrained by scene size and calculation complexity.
- –Extensibility options beyond built-in calculation types are narrower than specialist toolchains.
Best for: Fits when lighting designers need repeatable standard-based calculations from photometric data and room geometry.
Lighting Reality
vertical specialistLighting calculation software for road, area, tunnel, and architectural applications.
Point-by-point illuminance reporting tied to isolux-style outputs for design review cycles.
Lighting Reality is focused on photometric calculations from luminaire candela data into usable visual and numeric lighting outputs. The workflow supports electric lighting analysis and daylight analysis with point-by-point results, including isolux-style deliverables and common lighting study metrics.
Lighting Reality also centers on file-based luminaire photometry inputs like IES and EULUMDAT, which fits lighting designers who already manage libraries of photometric reports. Automation appears in repeatable study runs for scenes and parameter sets, rather than only one-off interactive sessions.
- +Supports standard luminaire photometry inputs like IES and EULUMDAT
- +Produces point-by-point illuminance outputs suitable for downstream review
- +Daylight and electric lighting analysis share a single study workflow
- +Exports practical visual artifacts like isolux-style representations
- –Automation and API-driven provisioning are not clearly exposed for external governance
- –Large studies can require careful scene organization to keep iteration times manageable
- –Integrations with BIM and CAD data models appear limited in typical deployments
- –Advanced optics evaluation breadth like UGR-style workflows is narrower than some rivals
Best for: Fits when lighting designers need repeatable photometric studies from IES libraries into isolux and point results.
OpenLumen
API-firstBrowser-based platform for IES file analysis, photometric layout design, and illuminance heatmaps.
Scene regeneration from imported photometric data keeps point-by-point results consistent across design iterations.
OpenLumen targets lighting design and photometric calculation workflows with project-oriented modeling for luminaire photometry inputs and rendering outputs. The core work centers on point-by-point illuminance and luminance computations, plus downstream diagram and image generation for design review.
Integration focus centers on ingesting standard photometric formats like IES and EULUMDAT, then driving consistent results through repeatable scene settings. Automation and extensibility are shaped around how quickly photometric scenes can be regenerated from imported luminaire data rather than manual recalculation.
- +Supports common luminaire photometry imports for IES and EULUMDAT workflows
- +Point-by-point illuminance and luminance outputs for detailed review
- +Generates diagrams and images from the same computed lighting scene
- +Repeatable scene settings help reduce recalculation drift across iterations
- –Daylight analysis depth is narrower than dedicated daylight-focused tools
- –Glare and UGR evaluation features can lag specialized lighting compliance suites
- –API and automation surface is limited compared with general engineering compute tools
- –Large models can slow down when many points or high-resolution surfaces are used
Best for: Fits when lighting teams need consistent point-by-point results from imported luminaire photometry without heavy custom coding.
DM Photometrics
vertical specialistAutoCAD-integrated photometric calculation tool using IES files for foot-candle and uniformity analysis.
Integrated workflow that ties luminaire photometry imports to both electric and daylight analysis outputs for side-by-side option comparison.
DM Photometrics performs luminaire photometry workflows by importing candela distribution data and driving point-by-point lighting calculations. The tool supports daylight analysis and electric lighting analysis workflows with diagrams and rendered outputs designed for design iterations.
It also handles common photometric file inputs like IES and EULUMDAT for candela distribution and polar curve data transfer. Configuration and reporting focus on producing lighting design outputs that can be compared across options for lighting standards compliance.
- +Point-by-point calculation workflow suited to luminaire layout iterations
- +Supports IES and EULUMDAT file import for candela distribution inputs
- +Daylight and electric lighting workflows in one analysis UI
- +Output diagrams and render-style views for isolux-style review
- –Lighting model setup requires careful input geometry and grid selection
- –Limited automation surface for high-throughput batch runs
- –Integration with BIM and CAD depends on manual data preparation
- –Reporting structure stays oriented around design outputs, not data export
Best for: Fits when lighting designers need repeatable photometric calculations with standard luminaire file inputs and visual review.
Ladybug Tools
vertical specialistOpen-source environmental analysis toolkit for Rhino and Grasshopper including daylight and photometric simulation.
Tight SketchUp integration that links luminaire placement, photometry import, and lighting result visualization in one study flow.
Ladybug Tools is built for lighting studies inside a SketchUp-centered workflow, so geometry edits and re-runs stay tightly coupled to the modeling environment.
The software takes luminaire photometry inputs such as IES and EULUMDAT files and converts them into computable candela distributions for illuminance and luminance results.
Output generation supports common deliverables like isolux-style diagrams and false-color rendering that make point-by-point results easier to interpret.
The main limitation is that many advanced governance and large enterprise automation patterns are secondary to the interactive design loop.
- +SketchUp-centered workflow connects geometry, runs, and visualization quickly
- +Handles common luminaire photometry imports like IES and EULUMDAT files
- +Produces isolux-style outputs and false-color rendering for lighting evaluation
- +Good support for daylight and electric lighting comparison in one study flow
- –Workflow depends on SketchUp modeling conventions and scene preparation
- –Complex BIM-to-lighting pipelines need extra translation steps outside SketchUp
- –Deep lighting system governance and RBAC controls are not the focus
- –Large scene throughput can slow down when many point-by-point calculations are requested
Best for: Fits when lighting designers use SketchUp and need repeatable daylight and electric lighting studies with standard photometry files.
Conclusion
After evaluating 10 business finance, Radiance stands out as our overall top pick — it scored highest across our combined criteria of features, ease of use, and value, which is why it sits at #1 in the rankings above.
Use the comparison table and detailed reviews above to validate the fit against your own requirements before committing to a tool.
How to Choose the Right photometric software
Photometric software turns luminaire photometry inputs such as IES and EULUMDAT into spatial lighting outputs like point-by-point illuminance and luminance, often paired with false-color or isolux-style visuals. This buyer’s guide covers Radiance, LightStanza, ReluxDesktop, Visual Lighting, AGi32, DIALux evo, Lighting Reality, OpenLumen, DM Photometrics, and Ladybug Tools.
The practical differences show up in workflow shape, import support, and automation expectations across controlled photometric studies and geometry-heavy daylight-electric projects. Radiance is highlighted for point-by-point calculation that drives both quantitative illuminance mapping and visual false-color validation in one workflow, while LightStanza emphasizes browser-based interactive daylight studies tied to shared building geometry.
Photometric software for point-by-point illuminance, luminance, and glare-ready lighting validation
Photometric software calculates lighting distributions from luminaire candela distributions and room geometry to produce decision-ready outputs such as point-by-point illuminance maps and luminance results. Many tools also generate design-review visuals that connect each calculation run to false-color rendering or isolux-style views.
Radiance supports point-by-point calculation workflows that combine quantitative outputs with visual false-color validation from the same run, including IES and EULUMDAT luminaire photometry inputs. DIALux evo provides an integrated electric lighting plus daylight study workflow that generates analysis visuals and standards metrics from the same room model using IES and EULUMDAT inputs.
Photometric accuracy and workflow features that affect deliverables
Photometric software determines the credibility of downstream lighting decisions through point-by-point calculation outputs and how each run ties to visuals like false-color or isolux-style views. Radiance is built around point-by-point calculation that produces both quantitative illuminance mapping and visual false-color validation from the same workflow run.
Category outcomes differ most when tools differ in import formats, automation expectations, and how daylight and electric lighting are treated in the same project model. LightStanza centers browser-based interactive daylight studies from shared building geometry, while DIALux evo combines electric lighting and daylight analysis in a single environment with standards metrics generated from one room model.
Point-by-point outputs tied to review visuals
Radiance produces point-by-point illuminance and luminance outputs with visual false-color validation from the same run. ReluxDesktop and Visual Lighting also pair point-by-point results with isolux or false-color rendering to support rapid design iteration.
Luminaire photometry import coverage for candela distribution
Radiance, ReluxDesktop, and DIALux evo accept IES and EULUMDAT luminaire photometry inputs for candela distribution inputs used by the calculation engine. Lighting Reality, OpenLumen, and DM Photometrics similarly support IES and EULUMDAT so teams can keep their luminaire libraries consistent across studies.
Daylight and electric lighting workflow integration depth
LightStanza is daylight-first with interactive 3D results and standards reports generated from imported building geometry in a browser workflow. DIALux evo provides an integrated electric lighting plus daylight study workflow from the same room model, while Radiance targets point-by-point photometric validation more than daylight-first modeling.
Automation and extensibility surface for repeatable runs
Radiance is positioned for automation expectations with a point-by-point workflow designed to drive repeatable metric outputs from controlled photometric and daylight scenes. ReluxDesktop and Visual Lighting route automation through project workflow rather than a documented public API surface, which can force manual handoffs in external pipelines.
Calculation approach and interior light-bounce modeling
AGi32 uses a radiosity method built for interior illuminance prediction using lighting design grids and metric outputs. OpenLumen emphasizes consistent scene regeneration from imported photometric data, while Radiance emphasizes point-by-point calculation paired with false-color validation.
How to choose photometric software based on integration, workflow shape, and iteration control
The fastest path to consistent results comes from matching software workflow shape to how input geometry and luminaire files enter the project. Teams that need controlled repeatability and metric-first validation should start with Radiance point-by-point calculation that outputs illuminance and luminance together with false-color validation.
Different tools also assume different iteration loops and governance expectations. LightStanza supports browser-based interactive daylight comparisons from shared building geometry, while Ladybug Tools depends on SketchUp modeling conventions to keep the study flow repeatable.
Select the deliverable style: metric-first validation versus visual-first design review
Choose Radiance when point-by-point illuminance and luminance outputs must stay coupled to visual false-color validation from the same run. Choose ReluxDesktop or Visual Lighting when isolux-style or false-color rendering must be tightly linked to each calculation run for design review cycles.
Decide whether daylight modeling is a primary workflow or a secondary add-on
Choose LightStanza when interactive daylight studies need to run in a browser workflow using imported building geometry and standards reports tied to visual result maps. Choose DIALux evo when electric lighting and daylight analysis must come from the same room model with point-by-point outputs and standards metrics.
Match luminaire file reality: keep IES and EULUMDAT as the common denominator
Pick tools that natively accept IES and EULUMDAT when a luminaire library must move across projects without file translation. Radiance, ReluxDesktop, DIALux evo, Lighting Reality, OpenLumen, and DM Photometrics all support those imports to keep candela distribution inputs consistent.
Plan for throughput: choose public API expectations or accept manual pipeline handoffs
Choose Radiance when automation and repeatable metric outputs are required for controlled photometric studies and daylight scenes. Choose ReluxDesktop or Visual Lighting when automation can rely on project workflow and external pipeline integration can tolerate manual handoffs.
Align the geometry discipline level with the team’s modeling workflow
Choose AGi32 when radiosity method interior bounce modeling is needed and the team can maintain disciplined geometry and measurement layout definitions. Choose Ladybug Tools when SketchUp-centered modeling conventions are already the team workflow and repeatability comes from staying inside SketchUp.
Who should buy each photometric software tool
Purchasing decisions break down by how teams handle geometry, how they manage luminaire photometry libraries, and how often they need repeatable batch-like iterations. Radiance fits teams that want point-by-point metric outputs and visual validation tightly coupled for controlled studies.
Other tools fit teams with narrower workflow priorities. LightStanza fits daylight-focused design and documentation in a browser workflow, while AGi32 targets interior bounce modeling through its radiosity method with disciplined geometry inputs.
Lighting analysts producing metric-driven QA for electric lighting and daylight scenarios
Radiance supports point-by-point illuminance and luminance outputs plus visual false-color validation from the same workflow run, which keeps quantitative checks tied to review visuals.
Design teams sharing building geometry for daylight iterations and certification documentation
LightStanza runs interactive daylight studies in a browser workflow using imported building geometry and generates standards reports tied to visual result maps.
Projects that standardize on IES and EULUMDAT luminaire libraries for desktop calculation workflows
ReluxDesktop and Lighting Reality both support IES and EULUMDAT imports and produce point-by-point illuminance outputs that support spatial QA review cycles.
Teams focused on interior bounce modeling with grid-based point calculations
AGi32 uses a radiosity method for interior illuminance prediction with lighting design grids and metric outputs, which suits teams that can maintain disciplined geometry definitions.
SketchUp-centric lighting teams needing a repeatable study flow
Ladybug Tools links SketchUp geometry, photometry import, and lighting result visualization in one workflow, so the study repeatability depends on SketchUp modeling conventions.
Common mistakes when buying photometric software
Teams often buy for visuals and then discover that their workflow needs a different validation loop, especially when point-by-point outputs must stay consistent across iterations. Another frequent mistake is assuming automation and API-driven governance exist when the tool mainly supports repeatability through project workflow rather than an exposed integration surface.
Geometry handling also creates predictable failure modes. When daylight and electric workflows are split across separate tools, teams can waste time reconciling geometry cleanup and coordinate conventions between runs.
Choosing a daylight-first tool when the project needs electric lighting design depth
LightStanza prioritizes daylight studies and leaves detailed electric-lighting design outside its scope. Radiance and DIALux evo provide stronger support for electric lighting point-by-point outputs that support room-by-room verification.
Assuming automation exists when the tool relies on manual handoffs
ReluxDesktop automation depends on project workflow rather than a documented public API surface. Radiance is the option in this set that aligns with repeatable metric outputs from controlled scenes without forcing manual pipeline steps.
Underestimating geometry cleanup costs for large or complex models
LightStanza requires careful geometry cleanup for complex models before daylight analysis can run predictably. AGi32 depends on disciplined geometry and measurement layout definitions for radiosity method interior illuminance prediction.
Expecting glare and UGR evaluation depth from tools that focus on general photometry and visuals
Radiance has limited built-in guidance for UGR evaluation compared with glare-focused niche tools. OpenLumen is positioned with narrower daylight depth and glare or UGR evaluation can lag specialized compliance suites.
How We Selected and Ranked These Tools
We evaluated Radiance, LightStanza, ReluxDesktop, Visual Lighting, AGi32, DIALux evo, Lighting Reality, OpenLumen, DM Photometrics, and Ladybug Tools using features fit and workflow deliverable alignment. Features carried the highest weight at 40%, ease and workflow friction carried 30%, and value for repeated design iterations carried 30%.
Radiance led the ranking because its point-by-point calculation workflow drives both quantitative illuminance mapping and visual false-color validation from the same run, and it accepts IES and EULUMDAT for luminaire photometry candela distribution inputs. The remaining tools separated on daylight versus electric integration depth, the visible coupling of point outputs to visuals like isolux or false-color, and whether external pipeline integration relies on a documented API surface versus manual handoffs.
Frequently Asked Questions About photometric software
Which photometric software tools handle point-by-point illuminance output for electric lighting and how do they differ?
How does daylight analysis workflow depth differ between LightStanza and DIALux evo?
What breaks if a team uses Radiance for a pipeline that requires public automation via API instead of controlled study runs?
When should an office choose ReluxDesktop over Visual Lighting for model-to-analysis iteration?
Which tools accept common photometric file inputs like IES and EULUMDAT, and which one is tied to a CAD host?
How does data model control differ between OpenLumen and LightStanza during scenario regeneration?
Where does AGi32 fall short compared with DIALux evo for mixed electric lighting and daylight deliverables?
When does an organization need tighter admin controls such as RBAC and audit logging, and how do these tools compare?
How does DM Photometrics support side-by-side option comparison across electric and daylight analysis?
Tools reviewed
Primary sources checked during evaluation.
Referenced in the comparison table and product reviews above.
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