Lighting Analysts Inc
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Does ElumTools work with all versions and flavors of Revit?
ElumTools System Requirements
Lighting in ElumTools vs. Lighting in Revit.
Error 1723. There is a Problem with this Windows Installer package.
Installer requires previous versions of ElumTools to be Uninstalled.
Network License Conflict with Korean Version of MS-Office
Security: Signed File or Add-In
Does ElumTools work with linked models?
Why do I need to enable volume computations in Revit? Does this affect Revit performance?
How to Remove ElumTools from a Project File
Writing of Entities of this Schema is not allowed to the current add-in.
How to hide the ElumTools calculation points in project views by default.
How can I assign a photometric file to a generic/non-photometric family?
Where can I find the guidelines to properly create Fixture Families?
Why are two photometric files loaded in Photometric Toolbox?
Adapting an IES file for different luminaire configurations.
Luminaires from neighboring rooms can be incorrectly included in the calculation.
See all 7 articles
How to Assign Materials in Revit
How does ElumTools derive the reflectance from the Revit material?
Why does ElumTools not use the reflectance from the Appearance tab?
Tips for Mapping Materials with Linked Models
Single vs. Double Sided Surfaces
See all 6 articles
Calc Points, Results, Scheduling
Language options in ElumTools
Changing the Illuminance Units in a Revit View
How to Set and Schedule Points in Range Manually
Planar Face Calculation Points disappear after placement.
ElumTools reports all UGR points as 10 on a given grid.
See all 11 articles
Why does ElumTools indicate that there are no valid fixtures in the Room/Space?
Can I remove (mask) calculation points from the calculation grid?
Why are calculation points not visible until I calculate?
Excluding unwanted elements from the calculation.
Why are the results in ElumTools and AGi32 different?
See all 6 articles
Invalid License Message When using Layout Assistant
Unable to complete ceiling grid selection
Documenting Daylight Performance using "Points in Range"
The Anatomy of a Daylight Calculation in ElumTools
Appendix D - Daylighting
How to use Filter by View Visibility
Setting the default illuminance units
About default settings
Managing Revit File Size
Tips, Tricks, Best Practices
Why won’t certain elements show up in ElumTools rendering?
Associate the ElumTools emergency parameter with a family parameter
How to speed up ElumTools
How to calculate multiple scenes or channels in ElumTools
How to Create a Lighting Fixture Location Summary Schedule
See all 6 articles
ElumTools Release History
2019.7, 2018.12, 2017.15
2019.6, 2018.11, 2017.14
2019.5, 2018.10, 2017.13
See all 16 articles
Support (Info, Procedures, etc)
Accessing the ElumTools Calculation Files
Sending your Revit model using eTransmit
Known Issues - Legacy Versions
Planar Face calculation points error in Revit 2018
Bluebeam Revu 2017 Incompatibility
ElumTools 7-Zip DLL conflict.
Calculate Boundary commands do not detect host model elements.
Antivirus software can affect the activation of the program
See all 9 articles
Known Issues - Latest Version
Revit Material Libraries/Rendering is currently not supported error.
Error during calculations: HeliosViewer has stopped working
Why are items from the wrong phase (e.g. demoed elements) being included in the calculation?
Revit print fails when attempting to plot ElumTools results.
Revit Bug: Calculation Points Appear Clipped When Printed from Revit
See all 8 articles
New Revit User Tips
ElumTools needs Rooms/Spaces defined in Revit in order to place Calculation Points