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Measure Tool: Delete and Annotations Bugs
Open, Needs Triage by DeveloperPublic

Description

System Information
Operating system: Windows-10-10.0.17134 64 Bits
Graphics card: AMD Radeon HD 7400M Series ATI Technologies Inc. 4.5.13399 Core Profile Context 15.201.1151.1008

Blender Version
Broken: version: 2.80 (sub 52), branch: master, commit date: 2019-03-29 00:43, hash: rB99d4321feff6
Worked: (optional)

Short description of error
Annotation "RulerData3D" creation inconsistency. Deleting of measurements inconsistent (seems like index off by 1 issue).

Exact steps for others to reproduce the error
Based on Default

Prep:
Open Tool Shelf panel
Open the Properties Panel and expand only "Annotations" (to be able to see effects) [N] [Ctrl/Click Annotations]
Verify Annotations list is empty

Actions:
Annotation RulerData3D Creation Inconsistency
Align to Front Ortho View [Numpad 1]
Switch to Measure Tool
Click Drag a measurement line x3 (create 3 separate lines)
Orbit around screen [MMB]
Switch to Select Tool (Measures disappear, as expected)
Orbit around screen [MMB]
NOTE: Annotation RulerData3D not yet created
Align to Side View [Numpad 3]
NOTE: Annotation RulerData3D now created!

Continuing from state above
Inconsistent Measure Delete
Align to Front Ortho View [Numpad 1]
Make "RulerData3D" annotation visible [eye] (it defaults invisible). Should see lines representing the 3 rulers
Switch to Measure Tool (3 measure lines and values visible)

Select 1 measure line (cursor to line end, when it changes from + to 4 arrows/dots, click. Line highlights)
Delete line [X or Delete button]
Note: Annotation Line still visible for deleted line
Select another measure line
Note: Annotation line for previous line deletes now
Delete line.
Note: Annotation Line still visible for deleted line

State: 1 measure line value on screen. 1 extra annotation line on screen

Switch to Select tool
Switch to Measure tool
Note: Last deleted measure line (matching annotation line) reappears (2 lines on screen now)
Select and delete both measure lines.
Note: Annotation Line still visible for last deleted line
Switch to Select tool
Switch to Measure tool
Note: last deleted measure line reappears

Delete measure line
Select and delete annotation "RulerData3D"
Switch to Select tool
Switch to Measure tool
Note: Measure line does not reappear. All measures now deleted

It seems clear from behaviors that there is some temporary buffer with measures hanging around. Delete Index into this buffer seems to be off by 1 in some section of code, but is corrected on the selecting of the next line. Annotation is created from this buffer at odd points in time.

Details

Type
Bug

Event Timeline

Just touching this as it it still exists. Seems possibly status is wrong and should have be changed to "Confirmed" when it was assigned by Bill