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Annotation tool placed on view with thickness 0 is invisible
Closed, ResolvedPublic

Description

System Information:
CPU: Ryzen 5 2600
GPU: RX 570 4GB
OS: Windows 10 Home

Blender Version
Broken: Blender 2.8 Beta 26d5a3625ed

Short description of error:
When the annotation tool has it's placement option changed to view and the thickness of the stroke is set to zero, it's invisible. This is caused by the thickness being zero and an adjustment should be made to stop zero thickness from ever being obtained (You already can't set the thickness to zero, it just occurs as a bug in the scene detailed below.)

Exact steps for others to reproduce the error:

  1. Open Blender and switch the 3D viewport if you haven't already. (Load factory settings if you've adjusted anything just to be on the safe side)
  2. Select the measurement tool from the tool bar and make a measurement.
  3. Select the annotate tool from the tool bar and in the top bar adjust the placement option to "view".
  4. Draw something on the scene. Once you confirm the action (let go of the mouse), the drawing will disappear.

This is because the line thickness is zero. Try adjusting the line thickness and you'll notice that you can never go back to zero, suggesting this is a bug. This bug only occurs if the measurement tool is used before the annotate tool and no line presets are set.