Why does Lumion freeze or crash when you start rendering?

Article Details

Poster: Morten
Article ID: 111
Posted: Thu 28 Jan 2016
Approved: Yes

Why does Lumion sometimes freeze, crash or stop responding when you start rendering?

That will occur if your scene is 'too complex' and your hardware isn't powerful enough and/or lacks free memory. 'Too complex' refers to the following variables:
  • A) The number of different models you've added to the scene.
  • B) The 3D Points number in the top right corner of Build mode.
  • C) The number and resolution of textures/materials.
  • D) The Movie/Photo effects you're using.
  • E) How many reflection planes you've added in the Reflection effect.
  • F) How many Spotlights that are set to Shadows -> Accuracy in the scene.
  • G) How many Spotlights you've selected in the Global Illumination effect.
To prevent your PC from becoming unresponsive when you start rendering a clip or an image, you should try to reduce the number of all of the above, in particular E, F and G. Alternatively, you should consider upgrading your hardware. There's more information here and here.

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