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|ID||Project||Category||View Status||Date Submitted||Last Update|
|0032605||Open CASCADE||[OCCT] OCCT:Visualization||public||2021-10-04 13:58||2021-10-18 11:00|
|Product Version||[OCCT] 7.6.0*|
|Target Version||[OCCT] 7.7.0||Fixed in Version|
|Summary||0032605: Visualization, AIS_LightSource - handle dragging outside of sphere|
|Description||Currently AIS_LightSource::ProcessDragging() allows dragging only within the sensitive sphere.|
It is desired extending this behavior to allow rotating light source outside of sensitive sphere - e.g. be projecting 2D point to a plane parallel to screen and coming through sphere origin.
|Tags||No tags attached.|
|Test case number|
The issue solution wasn't found.
The sensitive sphere has the transform persistence, so it has own local coordanate system (is different from the global).
Solutions that was checked:
- if we build the projections of 2d point on the plane parallel to screen and coming through sphere origin as suggested in the issue or on the sphere and etc., the resulting point is in the global coordinate system. In result, the staart point is in local, the end point is in global.
- if the start point is also obtained in global system, the rotation angle will be in global coordinates (its magnitude and direction do not correspond to the local system).
To correct solution it's necessary to project 2D point in the local coordinate system.
|2021-10-04 13:58||kgv||New Issue|
|2021-10-04 13:58||kgv||Assigned To||=> sshutina|
|2021-10-04 13:58||kgv||Relationship added||related to 0032604|
|2021-10-04 13:58||kgv||Relationship added||child of 0032183|
|2021-10-04 13:58||kgv||Status||new => assigned|
|2021-10-04 13:58||kgv||Summary||0032604: Visualization, AIS_LightSource - handle dragging outside of sphere => Visualization, AIS_LightSource - handle dragging outside of sphere|
|2021-10-11 12:22||sshutina||Note Added: 0104586|
|2021-10-18 11:00||kgv||Target Version||7.6.0* => 7.7.0|
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