Lighting simulation with Groundhog
  • Introduction
  • License
  • Installation instructions
  • Radiance
  • History
  • Tutorials and learning
    • Getting started
    • Add a Workplane
    • Adding Windows
    • Materials
    • Weather Files
    • Adding Illum surfaces
    • Grouping Windows
    • Exporting Views
    • The design assistant
    • The simulation manager
    • Objectives
  • Basic Lighting Theory
    • Lighting Units
    • Climate Based Daylight Modeling
    • Daylight Metrics
  • Coding for Groundhog
    • Coding standards
    • List of Labels
    • List of Values
  • Appendixes
    • GNU General Public License
    • Known issues
  • Known issues
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  • Exporting problems
  • Simulation problems
  • Creating materials problems
  1. Appendixes

Known issues

Exporting problems

  • Copying and pasting windows, walls, workplanes or any surface with a name will end in repeated names... that causes errors when exporting.

  • TILT field in IES files (for exporting luminaires) does not work.

Simulation problems

  • Radiance multithreading is not supported on Windows

  • Some windows users have had trouble assigning the Radiance path. I have been told that was solved as follows:

    1. Go to 'Control Panel' > 'System' > 'Advanced' > 'Environmental Variables' and check if the Radiance PATH is correct. If not, fix it.

    2. Then input the PATH in the Groundhog Preferences menu as follows: C:/Program Files (x86)/Radiance/bin, that is, with "/" (not "\") and without adding any program name.

Creating materials problems

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Last updated 6 years ago