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Maniphest T74698

Grease Pencil objects not reacting to lights
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Description

System Information
Operating system: OSX High Sierra
Graphics card: AMD Radeon R9 M370X 2 GB / Intel Iris Pro 1536 MB

Blender Version
2.83 Alpha
Date 2020-03-12 19:47
Hash: fa823f0af867

Short description of error
When adding a light to the scene, the grease pencil objects don't react to it.

Exact steps for others to reproduce the error

  1. Open new 2D Animation file
  2. Select the Grey "Solid Fill" material.
  3. Draw a shape.
  4. exit into Object mode
  5. Add a Light. (and orient it to object depending on light selected)

Related Objects

Event Timeline

Berbank Green (Berbank) created this task.Mar 12 2020, 10:57 PM
ronsn added a subscriber: ronsn.EditedMar 12 2020, 11:16 PM

@Berbank Green (Berbank) Did you try to give your light source a higher Power (Watt)?

Edit: Light reacts to Suzanne (with 1000 Watt) but not for own drawings.

Berbank Green (Berbank) added a comment.Mar 12 2020, 11:59 PM

Confirmed. Light works with Suzanne (but not all the time) and doesn't with my own grease pencil objects.

The way I've done it in the original post it doesn't work.
However if you:

  1. Start a General scene
  2. Delete cube
  3. Add GP Suzanne

The light works and additional GP objects also seems to work.

Berbank Green (Berbank) added a comment.Mar 13 2020, 12:28 AM
This comment was removed by Berbank Green (Berbank).
Antonio Vazquez (antoniov) added a subscriber: Antonio Vazquez (antoniov).EditedMar 13 2020, 11:52 AM

Be sure of these:

  1. GP Object must have enabled lighting (see Object properties in properties panel). For old files this can be disabled.

  1. Layer must be enabled for lighting. For old files this can be disabled.

  1. Your shading mode must be Render:

Antonio Vazquez (antoniov) changed the task status from Needs Triage to Needs Information from User.Mar 13 2020, 11:54 AM
Antonio Vazquez (antoniov) added a project: Grease Pencil.
Berbank Green (Berbank) added a comment.Mar 13 2020, 5:26 PM

@Antonio Vazquez (antoniov) I had missed the one needed in the Object properties but got the other ones.
Thank you, all works with both Object and Layer lighting enabled.

Antonio Vazquez (antoniov) closed this task as Resolved.Mar 13 2020, 5:35 PM
Antonio Vazquez (antoniov) claimed this task.
Antonio Vazquez (antoniov) merged a task: T74733: [Grease Pencil] Lights didn't affect on drawings from 2.82.Mar 14 2020, 9:01 AM
Antonio Vazquez (antoniov) added subscribers: Oleksandr Kahal (ignietferro), Johannes Mayrhofer (VuiMuich).