bugpyFormex - Bugs: bug #41389, Picking filters do not work in GL2

 
 

bug #41389: Picking filters do not work in GL2

Submitter:  Benedict Verhegghe <bverheg>
Submitted:  Wed 29 Jan 2014 04:04:31 PM UTC
   
 
Category:  Rendering Severity:  4 - Important
Item Group:  Functionality error Status:  Fixed
Privacy:  Public Assigned to:  bverheg
Open/Closed:  Closed
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Wed 02 Apr 2014 09:32:37 AM UTC, comment #2: 

Picking filters are working (since quite some time) now.

The difference between 'single' and 'closest' filter is:
in 'single' mode, every incremental pick operation will add  (when using the SHIFT modifier) a single item to the list of picked items, while with the 'closest' filter, only one item will be retained in the list (the closest to the camera).


Benedict Verhegghe <bverheg>
Group administrator
Thu 30 Jan 2014 12:58:56 PM UTC, comment #1: 

Since 4922585 picking filters work in point picking mode.

Benedict Verhegghe <bverheg>
Group administrator
Wed 29 Jan 2014 04:04:31 PM UTC, original submission:  

The picking filters ('single', 'closest', 'connected') do not work in GL2. This is because they were implemented in GL1 using a pick buffer. Pick buffers are no longer supported in GL2, so we will have to devise some other way of making these selections.

I think 'connected' should be possible to do. For 'single' and 'closest' (I do not remember the difference) we will have to compute the distance to the camera, or use the z-depth after performing projection.

Benedict Verhegghe <bverheg>
Group administrator

 

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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2014-05-22 bverheg Open/ClosedOpen Closed
    2014-04-02 bverheg StatusNone Fixed
        Assigned toNone bverheg

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